35th week of 2010 patent applcation highlights part 16 |
Patent application number | Title | Published |
20100219798 | HARVESTING ENERGY FROM VEHICULAR VIBRATIONS - An energy harvesting apparatus, for deployment on a vehicle, comprises a vehicle shock absorber including a dust tube, and a damper tube telescopically mounted within the dust tube and configured for oscillating translational movement with respect thereto. A magnet is fixedly coupled to one of the dust tube or the damper tube, and a coil is fixedly coupled to the other of the dust tube or the damper tube to achieve relative translational movement between the magnet and the coil to induce a current in the coil. | 2010-09-02 |
20100219799 | Toroidal Core Current Transformer with Phase Compensation Circuit - Disclosed is a toroidal core current transformer comprising a primary conductor which penetrates the toroidal core and a secondary winding that is wound around the toroidal core. A measuring shunt (R | 2010-09-02 |
20100219800 | SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE - Efficient reduction in power consumption is achieved by combinational implementation of a power cutoff circuit technique using power supply switch control and a DVFS technique for low power consumption. A power supply switch section fed with power supply voltage, a circuit block in which a power cutoff is performed by the power supply switch section, and a level shifter are formed in a DEEP-NWELL region formed over a semiconductor substrate. Another power supply switch section fed with another power supply voltage, a circuit block in which a power cutoff is performed by the power supply switch section, and a level shifter are formed in another DEEP-NWELL region formed over the semiconductor substrate. In this arrangement, there arises no possibility of short-circuiting between different power supplies via each DEEP-NWELL region formed over the semiconductor substrate. | 2010-09-02 |
20100219801 | SWITCHING POWER SUPPLY, CONTROL CIRCUIT CONTROLLING SWITCHING POWER SUPPLY AND CONTROL METHOD OF SWITCHING POWER SUPPLY - A switching power supply includes: a first switch provided between one end of a DC power supply and one end of a load; a second switch provided between a node of the first switch located on a load side and another end of the DC power supply; a capacitor provided between the second switch and the another end of the DC power supply; a third switch provided between a node of the first switch located on a DC power supply side and a node between the second switch and the capacitor; and a delay circuit that is provided between the third switch and the node between the second switch and the capacitor and delays a current for charging the capacitor, wherein the second switch is turned on in a period during which the first switch is kept on. | 2010-09-02 |
20100219802 | QUASI-RESONANT SYSTEMS AND METHODS WITH MULTI-MODE CONTROL - Switch-mode power conversion system and method thereof. The switch-mode power conversion system includes a primary winding configured to receive an input voltage, and a secondary winding coupled to the primary winding and configured to, with one or more other components, generate an output signal. Additionally, the switch-mode power conversion system includes a feedback component configured to receive the output signal and generate a feedback signal based on at least information associated with the output signal, and a voltage detector configured to receive the input voltage and output a detection signal. Moreover, the switch-mode power conversion system includes a mode controller configured to receive the detection signal and the feedback signal and generate a switch signal based on at least information associated with the detection signal and the feedback signal, and a switch configured to receive the switch signal and affect a first current flowing through the primary winding. | 2010-09-02 |
20100219803 | DC TO DC CONVERTER AND METHOD FOR REDUCING OVERSHOOT - A DC to DC converter includes a control circuit, a gate driver circuit, and a power stage circuit. The control circuit receives and compares a DC output voltage. When the DC output voltage lower than a first threshold voltage, a PWM signal with a first frequency is outputted, and when the DC output voltage higher than the first threshold voltage, the PWM signal with a second frequency is outputted. The second frequency is higher than the first frequency. The gate driver circuit receives the PWM signal and converts the PWM signal to a first driving signal and a second driving signal. The power stage circuit converts a DC input voltage to the DC output voltage according to the first driving signal and the second driving signal. | 2010-09-02 |
20100219804 | METHODS AND APPARATUS FOR GENERATING VOLTAGE REFERENCES USING TRANSISTOR THRESHOLD DIFFERENCES - Methods and apparatus are described that develop a reference voltage that is based on a difference between a threshold voltage of a first transistor and a threshold voltage of a second transistor, and further based on a difference between a gate overdrive voltage of the first transistor and a gate overdrive voltage of the second transistor. | 2010-09-02 |
20100219805 | APPARATUS AND METHODS FOR BOOSTING ELECTRICAL POWER - An electrical power boosting apparatus includes a metal substrate having a monomolecular carbon-based film on first and second surfaces, a conductive core, a positive electrode at one end, and a negative electrode an opposite end and magnets positioned adjacent and in a spaced-apart relationship to the metal substrate, the magnets are oriented so that north and south poles of each magnet are matched with opposite poles of an adjacent magnet. Electrical power is boosted by passing an initial electric current having an initial voltage through the conductive core of the metal substrate and causing or allowing an interaction between the metal substrate, the monomolecular carbon-based film, and the magnets to produce a modified electric current having a final voltage that is greater than the initial voltage. | 2010-09-02 |
20100219806 | ELECTRIC FIELD DETECTION PROBE, METHOD THEREOF, AND MANUFACTURING METHOD OF CIRCUIT BOARD - An electric field detection probe includes a cable including an internal conductor line, an insulating layer that coats a surface of the internal conductor line and exposes a tip end of the internal conductor line, an external conductor layer that coats a surface of the insulating layer and exposes the tip end, and an electric field diaphragm wherein the electric field diaphragm is electrically coupled to the external conductor layer, covers the tip end surface of the cable except for an opening. | 2010-09-02 |
20100219807 | METHODS AND SYSTEMS FOR TRANSMITTING AND RECEIVING DATA FROM POINTS ALONG VOLTAGE TRANSMISSION LINES - A method of receiving signals transmitted through a voltage carrying power line using an antenna module including the steps of: positioning a housing of the antenna module proximate to the voltage carrying power line such that an antenna being supported in the housing is oriented at an angle with respect to the voltage carrying power line, and receiving a signal via the antenna from the voltage carrying power line. | 2010-09-02 |
20100219808 | SYSTEM FOR INTELLIGENT AUTOMATED RESPONSE TO LINE FREQUENCY AND VOLTAGE DISTURBANCES BY A CENTRAL CONTROL POINT COMMUNICATION WITH A PLURALITY OF LOAD CONTROL DEVICES - Systems for intelligent automated response to line frequency and voltage disturbances by a central control point communication with a plurality of load control devices. The systems may include a load control device adapted to communicate with one or more energy consuming devices. The load control device may have a load control device firmware adapted to receive and process control directives to change the load of at least one energy consuming device. A central control point may be associated with the building and may be connected to the line power. The central control point may include a circuit adapted to monitor the line power and a central control point firmware adapted to detect the line disturbance. The central control point firmware may be in communication with the load control device firmware and may be adapted to transmit the control directives to the load control device firmware. | 2010-09-02 |
20100219809 | APPARATUS - An apparatus can be coupled to at least two lines for transmitting a differential signal, which is substantially symmetrical to a predefined reference potential, and/or for receiving such a differential signal. The apparatus includes a balancing unit, which can be coupled to the at least two lines and which includes a center tap. A monitoring unit is coupled to the center tap on the input side and is configured such that it monitors a center tap voltage between the center tap and the predefined reference potential and detects errors if the center tap voltage is greater than a predefined threshold value. | 2010-09-02 |
20100219810 | VERTICAL HALL EFFECT SENSOR WITH CURRENT FOCUS - A complimentary metal oxide semiconductor (CMOS) sensor system in one embodiment includes a doped substrate, a doped central island extending downwardly within the doped substrate from an upper surface of the doped substrate, and a first doped outer island extending downwardly within the doped substrate from the upper surface of the doped substrate, the first outer island electrically isolated from the central island within an upper portion of the substrate, and electrically coupled to the central island within a lower portion of the substrate. | 2010-09-02 |
20100219811 | Encoded Scale Body and Position/Displacement Measuring System - An encoded scale body for a position/displacement measuring system is provided, which comprises a support band, at least one encoding layer made of encoding material, which is arranged on the support band, and a cover band which covers the encoding material towards an outside space, the cover band being formed by the support band. | 2010-09-02 |
20100219812 | ISOLATED MAGNETOSTRICTIVE BUFFERED LIQUID LEVEL SENSOR - A magnetostrictive application probe is disclosed wherein the probe includes a preassembled sensor element mounted as an application housing installation as an installable unit. The modular nature allows interchanging with various electronic assemblies, and may be an explosion proof installation. | 2010-09-02 |
20100219813 | POSITION DETECTING DEVICE FOR A VEHICLE AND SEAT POSITION DETECTING DEVICE - A position detecting device for a vehicle and a seat position detecting device which are compact in structure and low in production cost are proposed, in which the absolute position from the reference point can be always detected. The position detecting device for a vehicle for detecting a position of a mobile object for the vehicle which is moved by a driving force of a rotating driving source includes a deceleration device having a two-stage hypo-cycloid mechanism decelerating the rotation amount of a rotation shaft rotated plural revolutions to one revolution or less by the driving source upon the mobile object being moved and a rotation sensor detecting a rotation output from the deceleration device as an absolute angle, wherein a position of the mobile object is detected based on the absolute angle detected by the rotation sensor. | 2010-09-02 |
20100219814 | MAGNETIC POSITION SENSOR - In a magnetic position sensor, first and second detecting cores are disposed so as to line up with each other on opposite sides of a detecting gap. A magnet unit is displaced relative to the first and second detecting cores together with displacement of a measured object. The magnet unit has: first and second magnet cores that are disposed so as to line up with each other on opposite sides of an origin gap; and a magnet that generates two magnetic flux loops between the first and second detecting cores and the first and second magnet cores, the magnetic flux loops having a boundary at the origin gap. | 2010-09-02 |
20100219815 | Magnetic Rotary Encoder and Method for Iteratively Aligning Magnet Relative to Magnetic Sensors - A sensor system and method of operating such a sensor system for measuring an angle of rotation with an arrangement of at least four magnetic sensors ( | 2010-09-02 |
20100219816 | RESOLVER - A resolver is provided with a rotor plate fitted to a key groove in a rotating shaft and connected to the rotating shaft, and also with a resolver stator for detecting the rotational position of the rotor plate. The resolver stator is provided with a resolver cover for protecting a coil board of a stator core and fixed to the stator core. The coil board is provided with holes fitted to stator pins which are projections of the stator core, coil patterns each formed so as to center on each of the holes, and lead wires connected to the coil patterns formed on the coil board. The outer peripheral portion of the stator core is provided with long mounting holes for fixing the resolver to the housing of a rotating machine, such as an electric motor or a generator, and also with engaging holes engaging with claws of the resolver cover. | 2010-09-02 |
20100219817 | ROTARY POSITION SENSOR - A rotary position sensor for determining the rotary position of a rotary component may include a sensor and a magnet. The sensor may be responsive to a characteristic of a magnetic field that changes as the magnetic field moves. The magnet may be carried by the rotary component for rotation with the rotary component and have an anti-rotation feature to prevent rotation of the magnet relative to the rotary component to maintain a desired rotary position of the magnet. | 2010-09-02 |
20100219818 | DEVICE FOR NONDESTRUCTIVE TESTING OF PIPES - A device for nondestructive testing of a pipe made of ferromagnetic steel for detection of longitudinal, transverse or inclined flaws using magnetic or magnetic-induction test procedures is disclosed. The device includes a magnetizing yoke which transmits the magnetic flux contactless into the pipe and at least two magnetic-field-sensitive scanning probes having GMR sensors. The GMR sensors are combined into sensor groups in form of a sensor array and electrically connected in parallel. A single preamplifier connected to each sensor group in one-to-one correspondence. The device further includes an evaluation unit. | 2010-09-02 |
20100219819 | APPARATUS AND METHOD OF OBTAINING FIELD BY MEASUREMENT - Above the sample ( | 2010-09-02 |
20100219820 | Atomic Magnetometer Sensor Array Magnetoencephalogram Systems and Methods - Devices disclosed according to various embodiments use one or more arrays of atomic magnetometers to detect biologically derived magnetic fields. The disclosed devices and methods relate to application of utilization of a magnetic sensor with unique properties requiring changes in design, allowing new functions, and requiring alternative analysis methodologies. Various embodiments are also directed to methods for obtaining and processing biological magnetic signals. These methods may take advantage of the unique spatial arrangement of the atomic magnetometers and the capacity sensors to he used in either a scalar or a vector mode. Various embodiments have advantages over current magnetometer arrays for the purpose of detecting biological magnetic fields. Such advantages may include, for example: smaller size, lower power consumption, no necessity for cryogenic cooling, potential wafer-level fabrication, and/or the potential of better localization biological signals. In addition, various embodiments may allow increased target or subject mobility. | 2010-09-02 |
20100219821 | VERTICAL HALL EFFECT SENSOR - A complimentary metal oxide semiconductor (CMOS) sensor system in one embodiment includes a doped well extending along a first axis of a doped substrate, a first electrical contact positioned within the doped well, a second electrical contact positioned within the doped well and spaced apart from the first electrical contact along the first axis, a third electrical contact positioned within the doped well and located between the first electrical contact and the second electrical contact along the first axis, and a fourth electrical contact electrically coupled to the doped well at a location of the doped well below the third electrical contact. | 2010-09-02 |
20100219822 | Magnetic Field Detection Apparatus and Measurement Apparatus - There has been a problem that a bridge circuit using magneto-resistive elements or transducer elements could output a signal including an offset voltage, which could result in lower measurement accuracy. In order to solve such a problem, half-bridges each having magneto-resistive elements or transducer elements are excited with different excitation voltages so that the offset voltage is eliminated and the measurement accuracy is improved. | 2010-09-02 |
20100219823 | OPERATING METHOD AND COIL ARRANGEMENT FOR A MAGNETIC SENSOR FOR DETECTING METALLIC OBJECTS IN A SUBGRADE - A coil arrangement for a magnetic sensor for detecting metallic objects in a subgrade, in particular structures made of concrete, brick, and wood, as well as a method for energizing and reading out this coil arrangement, is disclosed. The coil arrangement includes one or preferably two stacked outer main coils via which a perpendicular magnetomotive force of the subgrade is effected. Provided within the outer main coil(s) is, on the one hand, a quartet of a total of two pairs of parallel coils lying symmetrical to the axis of the main coil(s), via which a magnetomotive force penetration of the subgrade in two directions parallel to the subgrade surface is possible. To further improve the accuracy and reliability of localizing objects and estimating depth of cover, two pairs of smaller orthogonal coils each opposite from one another and also arranged symmetrically to the axis of the main coil(s) are provided. | 2010-09-02 |
20100219824 | BIOLOGICAL DETECTOR AND METHOD - A biological detector includes a conduit for receiving a fluid containing one or more magnetic nanoparticle-labeled, biological objects to be detected and one or more permanent magnets or electromagnet for establishing a low magnetic field in which the conduit is disposed. A microcoil is disposed proximate the conduit for energization at a frequency that permits detection by NMR spectroscopy of whether the one or more magnetically-labeled biological objects is/are present in the fluid. | 2010-09-02 |
20100219825 | POSITION DETECTION SYSTEM AND POSITION DETECTION METHOD - A position detection system and a position detection method in which the accuracy of position measurement of a device is not decreased after a change in the resonant frequency of a magnetic induction coil are provided. The position detection system includes a device having a magnetic induction coil; a driving coil that generates an alternating magnetic field, to be applied to the magnetic induction coil, having a position-calculating frequency in the vicinity of a resonant frequency of the magnetic induction coil; a plurality of magnetic sensors that detects an induced magnetic field generated by the magnetic induction coil when the alternating magnetic field is applied thereto; a measurement-reference-value calculating section ( | 2010-09-02 |
20100219826 | HYPERPOLARITZATION OF COMPOUNDS FOR NMR, IN PARTICULAR BY MEANS OF PHIP - An NMR method is presented having enhanced sensitivity on a compound comprising hyperpolarizable nuclei, in particular applying enhanced PHIP. Polarization is thereby transferred from a prepared fluid, which is enriched with symmetric molecules of a particular spin state (e.g. para-hydrogen enriched), directly to the hyperpolarizable nuclei of a compound, without altering the chemical identity of the compound in this process. Spin transfer is achieved using a template having sites of ordered environment, and the fluid and the compound are brought together in the presence of the template. Polarization transfer to the hyperpolarizable nuclei of the compound is thereby easier to perform and can be applied to a broader scope of compounds. | 2010-09-02 |
20100219827 | ULTRA-LOW FIELD NUCLEAR MAGNETIC RESONANCE AND MAGNETIC RESONANCE IMAGING TO DISCRIMINATE AND IDENTIFY MATERIALS - Method comprising obtaining an NMR measurement from a sample wherein an ultra-low field NMR system probes the sample and produces the NMR measurement and wherein a sampling temperature, prepolarizing field, and measurement field are known; detecting the NMR measurement by means of inductive coils; analyzing the NMR measurement to obtain at least one measurement feature wherein the measurement feature comprises T1, T2, T1ρ, or the frequency dependence thereof; and, searching for the at least one measurement feature within a database comprising NMR reference data for at least one material to determine if the sample comprises a material of interest. | 2010-09-02 |
20100219828 | MAGNETIC RESONANCE IMAGING APPARATUS - A magnetic resonance imaging apparatus comprises object placing means for placing an object in an imaging space, translating means for translating the object in a given direction by translating the object placing means in the given direction continuously or step-wise, magnetic field generating means for exciting the desired region of the object by generating a static magnetic field, a gradient magnetic field in the imaging space, and a high-frequency magnetic field in the imaging space, signal detecting means for detecting a magnetic resonance signal from the object, and control unit for controlling the translating means, magnetic field generating means and the signal detecting means, and translating the object continuously or stepwise to a predetermined position at a predetermined speed so as to capture a magnetic resonance image of the object. | 2010-09-02 |
20100219829 | LONG T1 ARTIFACT SUPPRESSION TECHNIQUES FOR MAGNETIC RESONANCE IMAGING - A method of suppressing artifacts arising from tissue, fluids, or other long-T1 species when acquiring magnetic resonance data with a segmented pulse sequence that assumes that magnetization is at steady state, said method including suppressing artifacts by producing an artifact suppression module (ASM) before the segmented sequence, the artifact suppression module comprising at least one selective, non-selective, or volume-selective suppression pulse and a time delay. | 2010-09-02 |
20100219830 | MAGNETIC RESONANCE IMAGING APPARATUS, METHOD AND PROGRAM OF MAGNETIC RESONANCE IMAGING - A magnetic resonance imaging apparatus includes a gradient coil, a transmission coil, an electrocardiographic signal detecting device detecting an electrocardiographic signal from a subject, a controlling device controlling the gradient coil and the transmission coil so that a pulse sequence including a preparation pulse and a data acquisition sequence for acquiring data from a subject utilizing a magnetic resonance phenomenon is repeatedly carried out, and a cardiac phase computing device computing the cardiac phase of the subject based on the electrocardiographic signal. The controlling device determines whether or not to re-acquire data once acquired from the subject based on the cardiac phase of the subject at an arbitrary time in a period during which the pulse sequence is carried out or the cardiac phase of the subject at a time after the pulse sequence is terminated. | 2010-09-02 |
20100219831 | MAGNETIC RESONANCE METHOD CONTROL DEVICE AND SYSTEM FOR IMAGING A VOLUME SEGMENT OF A SUBJECT - For imaging a volume segment by means of a magnetic resonance system, of the volume segment is transferred into a dynamic steady state relative to the magnetization by means of the magnetic resonance system. The following steps are repeatedly executed until the volume segment has been completely measured. The slice is excited by means of the magnetic resonance system. MR signals of the slice are read out. The slice is offset in an overlapping manner such that an overlap range is created by the slice before the offset and the slice after the offset, the overlap range being a predetermined percentile of both the slice before the offset and the slice after the offset. | 2010-09-02 |
20100219832 | FERROMAGNETIC SHIELD FOR MAGNETIC RESONANCE IMAGING - The present invention provides a ferromagnetic shield for a cryocooler assembly making use of a moveable rare-earth regenerator for recondensing of a cooling liquid for cooling of a superconductive magnet of a magnetic resonance imaging apparatus. The ferromagnetic shield effectively provides depletion of a magnet field in the vicinity of the rare-earth regenerator and therefore on the one hand reduces the noise impact of the moving regenerator on the homogeneous magnetic field in the imaging volume of the MRI apparatus and on the other hand reduces the mechanical force exerted by the magnetic field on the rare-earth regenerator. | 2010-09-02 |
20100219833 | MAGNET ASSEMBLY - An electromagnet comprising a ferromagnetic yoke which comprises a yoke. Mutually opposing first and second pole pieces are provided. The first pole piece is provided with a planar coil having a first side facing the yoke and a second side facing the yoke. A balancing member is arranged on the second side of the planar coil to counterbalance the attractive force between the planar coil and the yoke. The other pole piece may also be provided with a corresponding balancing member. | 2010-09-02 |
20100219834 | BIRDCAGE COIL WITH IMPROVED HOMOGENEITY AND REDUCED SAR - A birdcage coil ( | 2010-09-02 |
20100219835 | Non-magnetic transmitter housing - A sonde assembly of the invention includes: a sonde housing in the form of a non-magnetic tube having windows therein for permitting a radio signal to be transmitted out the tube from the inside; | 2010-09-02 |
20100219836 | METHOD AND ARRANGEMENT FOR DETERMINING ENERGY SOURCE UNIT STATUS - A method performed by an electronic device may determine a status of an energy source unit indicating performance of the energy source unit residing in the electronic device. The method may include performing a measurement over the energy source unit to produce a measured value that may be compared with a predetermined value, to generate a difference value, and the status of the energy source unit may determined based on the difference value. | 2010-09-02 |
20100219837 | Method and Device for Measuring Cell Voltages in a Plurality of Series-Connected Accumulator Cells - The invention relates to a method and a device for measuring cell voltages of accumulator cells (Z | 2010-09-02 |
20100219838 | METHOD OF DETECTING THE WET ARC FAULT IN THE AC POWER DISTRIBUTION APPLICATIONS - Methods for detecting wet arc faults are based on the direct current (DC) signature analysis and pattern matching pertaining to wet arc characteristics. While magnifying some wet arc fault signatures, it may be found that the wet arc current signal itself resembles a normal current signal in both time and frequency domains. The change in magnitude or high frequency behavior found may not be enough to distinguish a wet arc fault signature from a normal signature. Embodiments of the present invention may look at the magnitude change in the DC content per cycle of the wet arc current signal, which may be more positive in one cycle while, in the next cycle, it may be negative in a relative manner. A particular number of these changes may be determinative of a wet arc fault. | 2010-09-02 |
20100219839 | APPARATUS AND METHOD FOR TESTING A CAPACITIVE TRANSDUCER AND/OR ASSOCIATED ELECTRONIC CIRCUITRY - A method of testing a capacitive transducer circuit, for example a MEMS capacitive transducer, by applying a test signal via one or more capacitors provided in the transducer circuit. | 2010-09-02 |
20100219840 | Proximity and Contact Sensor and Sensor Element - A proximity and contact sensor ( | 2010-09-02 |
20100219841 | Conductivity Sensor - A conductivity sensor is disclosed. The conductivity sensor includes an oscillator for providing an input signal and a reactive circuit having an induction coil, a capacitive element, and a resistive element connected in parallel. The induction coil is adapted to be placed adjacent to a specimen. The conductivity sensor further includes a control circuit for driving the reactive circuit to resonance when the induction coil is placed adjacent to the specimen. The reactive coil is configured to provide an output signal having a parameter representative of the conductivity of the specimen when the reactive circuit is at resonance. The induction coil may include a first conductive element that spirals outward to an external perimeter and a second conductive element operably connected to the first conductive element. The second conductive element spirals inward from the external perimeter staggered relative to the first conductive element. | 2010-09-02 |
20100219842 | Detection Circuit for Use in Various Types of Capacitive Transducers and a Transducer Including Such a Circuit - A detection circuit for detecting changes in capacitance. The detection circuit includes a tuned ratio circuit and an alternating current (AC) source AC-coupled to the tuned ratio circuit. The tuned ratio circuit includes first and second tuned circuits that are tuned to, or close, to the frequency of the AC source. Output circuitry is coupled between the two tuned circuits. During use as a transducer, an active capacitive transducer is inductively coupled to the first tuned circuit. Changes in the capacitance of the active capacitive transducer cause changes in the tuning of the first tuned circuit. The output circuitry generates an output signal that is a function of the difference between the tunings of the first and second tuned circuits. | 2010-09-02 |
20100219843 | DIELECTRIC CHARACTERIZATION OF BITUMINOUS FROTH - An aspect of the invention concerns a method of determining the permittivity of a substance using a probe having known dielectric characteristics, a planar end surface normal to the axis of the probe, a signal source, and a signal receiver. In this aspect, the method is carried out by contacting the substance with the planar end surface of said probe to form an interface between the probe and the substance. The method further involves measuring the reflection coefficient of the substance by (1) transmitting a signal through the probe to the interface, (2) receiving the signal reflected from the interface, and (3) comparing said transmitted and reflected signals, and then calculating the permittivity of said substance from the reflection coefficient as so measured. Another aspect of the invention concerns a method of heating a substance, such as bituminous froth, by determining the permittivity of a substance, and providing a radiation source physically and electrically spaced from the substance, with the radiation source having an impedance approximating the complex conjugate impedance of the substance. | 2010-09-02 |
20100219844 | Foreign object detection sensor and method for manufacturing the same - A foreign objection detection sensor has a lengthy sensor part having a sensor electrode having a first sensor electrode which detects a proximity of a foreign object and a second sensor electrode which detects a contact of the foreign object, a sensor terminal part provided at one end of the sensor part, a leading wire pulled out from the sensor terminal part, the leading wire being electrically connected to the sensor electrode at the sensor terminal part to provide a proximity detecting function for detecting the proximity of the foreign object to the sensor part and a contact detecting function for detecting the contact of the foreign object to the sensor part. The sensor terminal part has a support member which supports a detection circuit unit electrically connected to the sensor electrode to carry out the proximity detecting function and the contact detecting function together with the sensor electrode. The detection circuit unit is disposed in the support member. | 2010-09-02 |
20100219845 | Method and Apparatus for Sensing - An apparatus for sensing a change in capacitance of a sensing electrode to a system ground, such as that which may be used to form a touch sensor, with the sensing electrode forming touch sensitive surface is arranged to include a sleep mode of operation. The apparatus includes a sample capacitor having a first terminal coupled to the sensing electrode, and a second terminal coupled to a voltage measurement circuit. The voltage measurement circuit is arranged in operation to determine a voltage at the second terminal of the sample capacitor. A voltage biasing arrangement is arranged under the control of a controller to apply a biasing voltage or the system ground to the first terminal or the second terminal of the sample capacitor in accordance with a measurement cycle. The measurement cycle includes an initialisation part, a charging part in which the sensing electrode is charged via the sample capacitor, and a measurement part in which a voltage at the second terminal is measured and it is determined whether there has been a change in capacitance of the sensing electrode in accordance with the measured voltage. Before or after the measurement cycle, the controller is arranged to enter the sleep mode in which the sensing electrode is biased at a voltage which is greater than the system ground, whilst the second terminal of the sample capacitor is floated by not applying the system ground or a biasing voltage, so that the sensing electrode is held at a voltage above the system ground during the sleep mode. | 2010-09-02 |
20100219846 | Capacitive Sensing - A multi-channel capacitive sensor for measuring the capacitances of a plurality of sense electrodes to a system reference potential. The sensor comprises a sample capacitor having a first terminal and a second terminal, a first diode having a first terminal coupled to the second terminal of the sample capacitor and a second terminal coupled to a first sense electrode, and a second diode having a first terminal coupled to the second terminal of the sample capacitor and a second terminal coupled to a second sense electrode. The sample capacitor and diodes are coupled to a control circuit, e.g. implemented in a microcontroller. The control circuit is operable to apply a drive signal, e.g. a series of voltage pulses, to the first terminal of the sample capacitor while simultaneously applying a bias signal to the second terminal of one or other of the diodes to prevent the diode from conducting the drive signal. Thus charge transfer techniques can be used to measure multiple capacitances while sharing a common sample capacitor. This helps reduce inter-channel drift. Further measurement channels may be added by providing further diodes and corresponding sense electrodes. With three or more channels the scheme requires only one additional control circuit connection per additional channel. | 2010-09-02 |
20100219847 | ACTIVE DISCHARGE OF ELECTRODE - The disclosure is directed to a capacitive sensor for measuring a small biomedical electrical charge originating from an object under test comprising input circuit elements having an electrode for sensing the charge to provide an output signal that is a function of the charge being measured, wherein the electrode has no electrical contact with the object; amplification circuit elements (A) connected to the input circuit elements; processing circuit elements configured for receiving and processing the amplified output signal and to provide the measurement; and conditioning and monitoring circuit elements coupled to at least the input circuit elements comprising monitoring circuit elements and conditioning circuit elements; (Re wherein the monitoring circuit elements are configured for monitoring the amplified output signal to detect an error in a measurement that is greater than a preset value caused by charge buildup on the electrode; and wherein the conditioning circuit elements are configured to be activated for discharging the electrode when the error in the measurement is detected by the monitoring circuit elements and the conditioning circuit elements are configured to be deactivated, when the error in the measurement is no longer detected. | 2010-09-02 |
20100219848 | Capacitive sensor device - A capacitive sensor device includes first and second sensor capacitors coupled in series, a clock signal generating part, an operational amplifier, a feedback capacitor, a compensating capacitor, and a compensating signal generating part. The clock signal generating part generates a first clock signal and the second clock signal applied to the first and second sensor capacitors, respectively. The compensating signal generating part generates a compensating signal applied to the compensating capacitor. The first clock signal and the second clock signal have the same frequency and the same amplitude and have phases being opposite each other. The compensating signal has a frequency same as the first clock signal and the second clock signal, has a phase same as one of the first clock signal and the second clock signal, and has an amplitude that is adjustable. | 2010-09-02 |
20100219849 | Sensor for Detecting Organic Liquids - A sensor for detecting the presence of an organic liquid. The sensor includes an a elongate substrate having a first and second opposed surface, and a first sensor surface disposed on at least a portion of the first surface of the substrate and a second sensor surface disposed on at least a portion of the second surface of the substrate. The sensor also includes a bridging electrode electrically coupling the first and second sensor surfaces, a first electrode disposed on the first surface of the substrate and electrically coupled to the first sensor surface, and a second electrode disposed the second surface of the substrate and electrically coupled to the second sensor surface. | 2010-09-02 |
20100219850 | METHOD AND PROBE FOR THE MEASUREMENT OF PARTICLES IN A FLUID - Method for the measurement of particles in a fluid stream by measurement of the electric resistance of a measuring element as a function of the erosion of the measuring element caused by the particles. It is advantageous to use an alloy with a—in comparison with a temperature coefficient of the resistivity (specific electric resistance) of about 1.9*10̂−3 K̂−1 (Monel® 400 or a similar alloy)—considerably lower temperature coefficient of the resistivity. It also comprises a probe ( | 2010-09-02 |
20100219851 | DISTANCE MEASURING DEVICE AND METHOD FOR DETERMINING A DISTANCE, AND SUITABLE REFLECTIVE MEMBER - A distance measuring device and method for determining distance, and a suitable reflective member are provided. The distance measuring device includes analysis electronics and a sensor device, which has at least one coupling probe for feeding a transmission signal into a line structure. A reflective member is disposed in the line structure which has a base plate with an attached collar forming a cup-shaped element, and a feed block with a recess into which the collar plunges. The recess has a sealing ring which produces airtightness with the collar, wherein the attached collar is provided on the front face with a plastic plate. | 2010-09-02 |
20100219852 | PROBE CARD - A probe card includes a probe head that holds a plurality of probes; a flat wiring board that has a wiring pattern corresponding to a circuit structure; an interposer that is stacked on the wiring board and relays wirings of the wiring board; a space transformer that is placed between the interposer and the probe head, transforms a space between the wirings relayed by the interposer, and leads the transformed wirings out to a surface facing the probe head; and a plurality of post members that are formed in a substantially columnar shape with a height larger than a sum of a thickness of the wiring board and a thickness of the interposer, and embedded to pierce through the wiring board and the interposer in a thickness direction such that one of end surfaces of each post member comes into contact with the space transformer. | 2010-09-02 |
20100219853 | Method of Testing a Display Panel and Apparatus for Performing the Method - In a test method of a display panel, a test signal and a test voltage are generated according to a test control signal. A display area of the display panel is tested based on the test signal and the test voltage. A driving voltage line and an on/off voltage line formed on the display panel are tested based on the test signal and the test voltage. | 2010-09-02 |
20100219854 | PROBE AND ELECTRICAL CONNECTING APPARATUS USING IT - A probe having an alignment mark that is hardly influenced by scraps of an electrode scraped by a probe tip is provided. A probe according to the present invention comprises a base portion having an attaching end and extending in a direction distanced from the attaching end, an arm portion extending from the base portion laterally with a space in the extending direction of the base portion from the attaching end, a probe tip portion protruded from the arm portion and having a probe tip formed on its protruding end, and an alignment mark for alignment of the probe tip. The arm portion has a flat surface area on the opposite side of a side where the attaching end of the base portion is located when seen along the extending direction of the arm portion. The probe tip portion is formed to be protruded from the flat surface area, and the alignment mark is constituted by at least a part of the flat surface area. | 2010-09-02 |
20100219855 | Semiconductor device having CMOS transfer circuit and clamp element - A semiconductor device includes an internal power-supply circuit which produces an internal potential, an external terminal which outputs the internal potential and inputs and outputs a signal with an outside, and a test mode signal terminal which transfers a test mode signal. The semiconductor device further includes a first CMOS transfer circuit and a second CMOS transfer circuit which are provided between the internal power-supply circuit and the external terminal, and which are controlled by the test mode signal, a clamp element which is connected between the first and second CMOS transfer circuits and suppresses a potential variation, and a delay element provided between the clamp element and the first CMOS transfer circuit. | 2010-09-02 |
20100219856 | OUTPUT BUFFER CIRCUIT AND DIFFERENTIAL OUTPUT BUFFER CIRCUIT, AND TRANSMISSION METHOD - In an output buffer circuit including Inverter | 2010-09-02 |
20100219857 | LOW POWER CONSUMPTION MIS SEMICONDUCTOR DEVICE - A logic gate is constructed of an insulated gate field effect transistor (MIS transistor) having a thin gate insulation film. An operation power supply line to the logic gate is provided with an MIS transistor having a thick gate insulation film for switching the supply and stop of an operation power source voltage. A voltage of the gate of the power source switching transistor is made changing in an amplitude greater than an amplitude of an input and an output signal to the logic gate. Current consumption in a semiconductor device configured of MIS transistor of a thin gate insulation film can be reduced and an power source voltage thereof can be stabilized. | 2010-09-02 |
20100219858 | LOGIC BASED ON THE EVOLUTION OF NONLINEAR DYNAMICAL SYSTEMS - A logic gate implements logical expressions. A least one logic gate input receives at least one input logic gate signal and at least one control signal. At least one output for produces a logic gate output signal. A nonlinear updater operates as a dynamically configurable element to produce a plurality of different logic gates as selected by the control signal. The nonlinear updater includes a nonlinear updater output. The nonlinear updater is configured to apply a nonlinear function to the input logic gate signal to produce the nonlinear updater output signal representing a logical expression being implemented by one of the plurality of different logic gates on the input logic gate signal. A comparator includes a comparator input that is adapted to receive a reference threshold value for producing the logical gate output signal based on a comparison of the nonlinear output signal to the reference threshold value. | 2010-09-02 |
20100219859 | Non-Sequentially Configurable IC - Some embodiments of the invention provide a configurable integrated circuit (IC). The IC includes at least fifty configurable circuits arranged in an array having a plurality of rows and a plurality of columns. Each configurable circuit for configurably performing a set of operations. At least a first configurable circuit reconfigures at a first reconfiguration rate. The first configurable circuit performs a different operation each time the first configurable circuit is reconfigured. The reconfiguration of the first configurable circuit does not follow any sequential progression through the set of operations of the first configurable circuit. | 2010-09-02 |
20100219860 | Integrated Circuit with Improved Logic Cells - The present invention provides integrated circuits with improved logic cells. In one embodiment, an integrated circuit having a plurality of logic cells (LC) is provided, each LC comprising: a lookup table having a LUT output terminal; and, a first multiplexer; wherein, a first multiplexer input terminal is connected to of a first input terminal of the LC, a second multiplexer input terminal is connected to the LUT output terminal, a multiplexer output terminal is connected to a first output terminal of the LC, and a multiplexer select terminal is connected to a second input terminal of the LC so as to select which of the signals appearing at the first and second multiplexer input terminal to pass through;wherein, by coupling in chain the first input terminal of one LC to the first output terminal of another LC, a WLUT chain is formed. | 2010-09-02 |
20100219861 | Integrated Circuit with Improved Logic Cells - The present invention provides integrated circuits with improved logic cells. In one embodiment, an integrated circuit having a plurality of logic cells (LC) is provided, each LC comprising: a lookup table having a LUT output terminal; and, a first multiplexer; wherein, a first multiplexer input terminal is connected to of a first input terminal of the LC, a second multiplexer input terminal is connected to the LUT output terminal, a multiplexer output terminal is connected to a first output terminal of the LC, and a multiplexer select terminal is connected to a second input terminal of the LC so as to select which of the signals appearing at the first and second multiplexer input terminal to pass through; wherein, by coupling in chain the first input terminal of one LC to the first output terminal of another LC, a WLUT chain is formed. | 2010-09-02 |
20100219862 | RECONFIGURABLE AND RELIABLE LOGIC CIRCUIT ELEMENTS THAT EXPLOIT NONLINEARITY AND NOISE - A logic gate is adapted to implement logical expressions. The logic gate includes at least one input that is adapted to receive an input signal and at least one control signal. At least one of the input signal and the control signal is a noise signal. At least one output is adapted to produce an output signal. A nonlinear updater operates as a dynamically configurable element and produces multiple different logic gates as selected by the control signal based at least in part on the noise signal. The nonlinear updater is electrically coupled to the input and is also electrically coupled to the output. The nonlinear updates is configured to apply a nonlinear function to the input signal in response to the control signal to produce the output signal representing a logical expression being implemented by one of the multiple different logic gates on the input signal. | 2010-09-02 |
20100219863 | Method and Apparatus for Gamma Ray Detection - A high sensitivity, three-dimensional gamma ray detection and imaging system is provided. The system uses the Compton double scatter technique with recoil electron tracking The system preferably includes two detector subassemblies; a silicon microstrip hodoscope and a calorimeter. In this system the incoming photon Compton scatters in the hodoscope. The second scatter layer is the calorimeter where the scattered gamma ray is totally absorbed. The recoil electron in the hodoscope is tracked through several detector planes until it stops. The x and y position signals from the first two planes of the electron track determine the direction of the recoil electron while the energy loss from all planes determines the energy of the recoil electron. | 2010-09-02 |
20100219864 | Dual Mode, Single Ended to Fully Differential Converter Structure - A dual mode, single ended to fully differential converter structure is incorporated into a fully differential sample and hold structure which can be coupled with an ADC as a front end for mixed mode applications. The structure incorporates additional switches which allow negative and positive charges to be sampled on both negative and positive sides of the structure. By inverting the sampled charge on one side, single ended to fully differential conversion is obtained. The structure can be implemented in a compact, generic block which performs single ended to fully differential conversions as well as sample and hold functions, without compromising speed and accuracy in either mode. | 2010-09-02 |
20100219865 | FREQUENCY DETECTION APPARATUS AND METHOD - A frequency detection apparatus and method are provided. The frequency detection apparatus includes a frequency conversion circuit and an analog conversion circuit. The frequency conversion circuit receives an input clock, and generates an analog signal corresponding to a frequency of the input clock based on the frequency of the input clock. The analog conversion circuit is coupled to the frequency conversion circuit, receives the analog signal, and generates a discriminating signal corresponding to the frequency of the input clock based on the analog signal, where the discriminating signal represents a frequency interval of the input clock. | 2010-09-02 |
20100219866 | Apparatus and Methods for Programmable Power-Up Sequence - Circuits and methods for providing control of a power up sequence for supplying a gated power supply to a circuit portion. A power switch fabric is provided having more than two chains with more than two bits of control. The chains include power switches that are sequentially enabled in response to control signal to supply a virtual power supply to a gated circuit to support power gating. The power switches may include daughter switches and mother switches, where the mother switches are enabled later in time than the daughter switches. The enable signals to allow the virtual power supply to begin powering up may be timed to control the ramp up time, in rush current and peak current during the power up sequence of the virtual power supply. Methods for providing timing for the daughter and mother switches and enables to multiple chains in a power switch fabric are disclosed. | 2010-09-02 |
20100219867 | Delay-locked loop and electronic device including the same - A delay locked loop is provided. The delay locked loop controls the number of delay cells that delay the phase of an input clock during a locking operation and controls a phase delay value of at least one delay cell among a plurality of delay cells after the locking operation is completed. | 2010-09-02 |
20100219868 | SIGNAL DELAYING SYSTEM UTILIZING VOLTAGE PROVIDING CIRCUIT - A signal delaying system is provided, including a delay locked loop circuit and a voltage providing circuit. The delay locked loop circuit delays an input signal to generate a delayed signal. The voltage providing circuit provides a control voltage to the delay locked loop circuit for determining a delay time of the delay locked loop circuit when the delay locked loop circuit operates in a first mode; and providing a stand-by voltage to the delay locked loop circuit when the delay locked loop circuit operates in a second mode, wherein the voltage providing circuit further adjusts the stand-by voltage to make the stand-by voltage substantially equal to the control voltage. | 2010-09-02 |
20100219869 | SEMICONDUCTOR INTERGRATED CIRCUIT AND SIGNAL ADJUSTING METHOD - A semiconductor device includes a first signal generator that generates a plurality of second signals having a delay relative to a first signal and having states that change at different timings, a second signal generator that generates a third signal having a delay relative to the first signal, and a detector that detects, when a state of the third signal changes, a delay state of a signal based on the states of the second signals, wherein the first signal generator and the second signal generator are different from each other in an amount of change in delay relative to a change in an operating state. | 2010-09-02 |
20100219870 | DUTY RATIO CORRECTION CIRCUIT AND DUTY RATIO CORRECTION METHOD - A duty ratio correction circuit includes a clock input buffer that receives a first clock signal, a clock duty adjuster that adjusts a duty ratio of a second clock signal output from the clock input buffer based on a correction signal and generates a third clock signal, a data input buffer that receives a first data signal, a data duty adjuster that adjusts a duty ratio of a second data signal output from the data input buffer based on the correction signal and generates a third data signal, and a duty comparator that generates the correction signal based on the third clock signal. | 2010-09-02 |
20100219871 | GENERATION OF A LOW JITTER CLOCK SIGNAL - Systems and methods for generation of a low jitter clock signal for wireless circuits are disclosed. In an implementation, the system includes a wireless circuit powered by a first power supply and a low jitter clock (LJC) generator powered by a second power supply. The LJC generator provides at least one clock signal to the wireless circuit. The system further includes an LJC driver circuit including a clock buffer powered by the first power supply and a receive buffer powered by the second power supply. | 2010-09-02 |
20100219872 | Semiconductor device - A semiconductor device, having a test circuit of a multivalued logic circuit without newly provision of an output terminal for a test signal, and with no increase in transmission delay in an output signal, includes an n-valued input terminal, and comparators that operate at different threshold voltages in response to input signals which have been input to the n-valued input terminal, respectively, and also includes an impedance control circuit that is connected to the n-valued input terminal and outputs of the comparators, respectively, and changes a combine resistance value in response to the output signals of the comparators to change a current flowing in the n-valued input terminal. | 2010-09-02 |
20100219873 | SIGNAL SOURCE DEVICES - A signal source device is provided and includes a plurality of latch units, an inverter unit, and a voltage-shifting unit, which may include a capacitance unit. The plurality of latch units are substantially cascaded. The inverter unit is coupled to the latch units. The voltage-shifting unit has a first terminal coupled to the inverter unit and one of the latch units and a second terminal receiving a first input signal, for shifting a voltage level at the first terminal according to the first input signal. | 2010-09-02 |
20100219874 | LEVEL SHIFT CIRCUIT AND SWITCHING CIRCUIT INCLUDING THE SAME - The level shift circuit that converts a level of an input signal into a level between a first and a second voltage, which is higher than the first voltage includes a select circuit that generates an oscillation signal, where at least a frequency or an amplitude of the oscillation signal changes according to an input signal, a filter circuit that removes a DC component of the oscillation signal output from the select circuit and outputs an AC component, a detect circuit that operates between the first voltage and an output side voltage of the filter circuit, and generates a control signal including a signal voltage that changes according to at least a frequency or an amplitude of the AC component of the oscillation signal, and an output circuit that generates an output signal having a level between the first voltage and the second voltage according to the control signal. | 2010-09-02 |
20100219875 | Mixer Capable of Improving Signal Quality - A mixer includes a transduction circuit, a first and a second switch circuit, and a first and a second load circuit. The transconductor circuit is for generating a differential current signal according to a differential voltage signal. The first switch circuit and the first load circuit are connected in series, and the first switch circuit is used to regulate the differential current signal in response to a first oscillator signal. The second switch circuit and a second load circuit are connected in series, and the second switch circuit is used to regulate the differential current signal in response to a second oscillator signal. The first load circuit and the second load circuit are connected at a common node to reduce harmonic interferences. | 2010-09-02 |
20100219876 | FM Tone Rejection - An interference rejection unit for at least partially rejecting a narrowband interferer from an input signal, the unit comprising: an interferer detector for detecting the phase of an interferer in the input signal; a signal generator for generating a cancellation signal in dependence on the phase detected by the interferer detector; and a signal combiner for combining the input signal with the tone cancellation signal to generate an output signal in which the interferer is at least partially cancelled from the input signal. | 2010-09-02 |
20100219877 | POWER CONVERTER - Provided is a power converter having a switching circuit wherein a surge voltage of a plurality of switching elements connected in series is suppressed and loss is not concentrated to a specific switching element. The switching circuit is provided with: a non-latching type switching element having two main terminals and one control terminal; a voltage detecting means which detects a voltage applied between the main terminals of the switching element; a control current supply for supplying the control terminal with a control signal corresponding to the voltage detected by the voltage detector; and a delay device for delaying the control signal. | 2010-09-02 |
20100219878 | SEMICONDUCTOR SWITCH CIRCUIT - A semiconductor switch circuit is provided that enables current consumption to be reduced even in a conduction state. A semiconductor switch circuit | 2010-09-02 |
20100219879 | PTAT Sensor and Temperature Sensing Method Thereof - A proportional to absolute temperature (PTAT) sensor is capable of reducing a sensing error resulted from a mismatch between circuit components. The PTAT sensor includes a control unit, a sensing unit and a calculation unit. The control unit generates a control signal. The sensing unit, comprising at least a pair of circuit components having a matching relationship, senses an absolute temperature under the first connection configuration and the second connection configuration respectively to generate a first voltage value and a second voltage value, wherein the first connection configuration and the second connection configuration are decided by interchanging the circuit connections of the pair of circuit components according to the control signal. And the calculation unit, coupled to the sensing unit, calculates a PTAT voltage value according to the first voltage value and the second voltage values. | 2010-09-02 |
20100219880 | LEVEL DETECTOR, VOLTAGE GENERATOR, AND SEMICONDUCTOR DEVICE - A level detector, a voltage generator, and a semiconductor device are provided. The voltage generator includes a level detector that senses the level of an output voltage to output a sensing signal and a voltage generating unit that generates the output voltage in response to the sensing signal. The level detector may include a first reference voltage generator configured to divide a first voltage and to output a first reference voltage, a second reference voltage generator configured to divide a second voltage in response to the output voltage and to output a second reference voltage that varies as a function of temperature, and a differential amplifier configured to receive the first and second reference voltages and to output a sensing signal in response to a sensing voltage generated by amplifying a difference between the first and second reference voltages. | 2010-09-02 |
20100219881 | Multiple-Stage Charge Pump with Charge Recycle Circuit - A multiple-stage charge pump circuit comprises first and second pump capacitors, first and second transfer circuits, first and second driving circuits, and a charge recycle circuit. The first pump capacitor, the first transfer circuit, and the first driving circuit form a first stage circuit, and the second pump capacitor, the second transfer circuit and the second driving circuit form a second stage circuit. The first and the second stage circuits operate 180 degree out of phase with each other. The charge recycle circuit transfers the charge at the second end of the first pump capacitor to the second end of the second pump capacitor in a first time interval, and transferring the charge at the second end of the second pump capacitor to the second end of the first pump capacitor in a second time interval. | 2010-09-02 |
20100219882 | CIRCUIT ARRANGEMENT WITH INTERFERENCE PROTECTION - A circuit arrangement with an interference protection is disclosed, including a supply line and a ground line, a first circuit and a second circuit. Each of the first and second circuit is connected to the supply line and to the ground line. The circuit arrangement also includes a blocking device coupled to at least the supply line to suppress any interfering signals from being applied to the supply line. | 2010-09-02 |
20100219883 | Active Filter Calibration Method and Apparatus - An example bandpass filter calibration system includes a MUX, first and second signal sources coupled to inputs of the MUX, a bandpass filter coupled to an output of the MUX, a rectification circuit including a plurality of rectifiers having a corresponding plurality of rectifier outputs coupled to an output of the bandpass filter, a summer having a plurality of inputs coupled to the plurality of rectifier outputs, a low pass filter coupled to an output of the summer, an ADC coupled to an output of the low pass filter, and a calibration processor unit coupled to an output of the ADC. The calibration processor unit controls the MUX to selectively apply the first signal source and the second signal source to the bandpass filter and calibrates the bandpass filter by a least one of increasing filter center frequency and decreasing filter center frequency of the bandpass filter. | 2010-09-02 |
20100219884 | TRANSMITTER, RECEIVER, POWER AMPLIFICATION METHOD, AND SIGNAL DEMODULATION METHOD - There is provided a transmitter including a nonlinear input-output conversion characteristic control unit configured to determine a nonlinear input-output conversion characteristic for converting a signal depending on a usage status of a frequency band; an amplitude control unit configured to convert an amplitude of the signal based on the determined nonlinear input-output conversion characteristic; and a transmission power amplification unit configured to amplify power of the signal with the converted amplitude. There is also provided a transmitter including a nonlinear input-output conversion characteristic control unit configured to determine a nonlinear input-output conversion characteristic for converting a signal depending on a usage status of a frequency band; plural transmission power amplification units having different nonlinear input-output conversion characteristics; and a selecting unit configured to select one of the plural transmission power amplification units based on the determined nonlinear input-output conversion characteristic. | 2010-09-02 |
20100219885 | Broadband low noise amplifier - Aspects provide for the broadband amplification of RF signals. Other aspects provide for the conversion of single ended input to differential output. Various aspects provide for tuning the response to a particular frequency band. Other aspects provide for various transconductance elements. In several aspects, broadband current to voltage converters and voltage to current converters are presented. Some implementations incorporate a buffer circuit, and various implementations incorporate feedback circuits. | 2010-09-02 |
20100219886 | Broadband low noise amplifier - Aspects provide for the broadband amplification of RF signals. Other aspects provide for the conversion of single ended input to differential output. Various aspects provide for tuning the response to a particular frequency band. Other aspects provide for various transconductance elements. In several aspects, broadband current to voltage converters and voltage to current converters are presented. Some implementations incorporate a buffer circuit, and various implementations incorporate feedback circuits. | 2010-09-02 |
20100219887 | RF POWER AMPLIFIER WITH LINEARITY CONTROL - A linear amplifier circuit includes a multi-stage power amplifier that can amplify an input signal to produce an output signal, and a gain feedback control circuit coupled with the output and the input of the multi-stage power amplifier. An adjacent-channel leakage feedback control circuit can detect the output signal at the output of the multi-stage power amplifier and reduce adjacent-channel leakage in the output signal over an output power range based on the detected output signal. | 2010-09-02 |
20100219888 | AMPLIFIER CIRCUIT - An amplifier circuit comprises an input, for receiving an input signal to be amplified; a preamplifier, for amplifying the input signal based on a variable gain; a power amplifier for amplifying the signal output from the preamplifier, and a variable voltage power supply for supplying one or more supply voltages to the power amplifier. The supply voltages are adjusted based on the variable gain or the input digital signal. According to other aspects of the invention, a power supply of an amplifier circuit is clocked using a clock signal, whereby the clock signal has a frequency that varies in accordance with a volume signal or an input signal. | 2010-09-02 |
20100219889 | DISTORTION COMPENSATION APPARATUS AND METHOD - A distortion compensation apparatus includes a distortion compensation signal generation unit that performs, on a transmission signal, distortion compensation processing using a series operation; a coefficient updating unit that updates series operation coefficients used for the series operation based on a feedback signal of a power amplification output which is output through power amplification processing of a distortion compensation signal output from the distortion compensation signal generation unit, and based on the distortion compensation signal; a memory that stores the distortion compensation signal corresponding to a transmission signal having a given power value and the feedback signal of the power amplification output as restraint information; and a control unit that performs control so that, in accordance with the power value of the transmission signal, restraint information corresponding to a power value different from the power value of the transmission signal is read and used for updating the series operation coefficients. | 2010-09-02 |
20100219890 | LOW NOISE AMPLIFIER - The present invention relates to a low noise amplifier comprising a transformer, a first amplifier and a feedback resistor, the transformer comprising a primary stage and a secondary stage. The secondary stage is connected to the input of the first amplifier and the output of the first amplifier is connected in series with a feedback resistor and the primary stage of said transformer. | 2010-09-02 |
20100219891 | Class-D amplifier - A class-D amplifier includes a differential integrator that integrates a difference between an input signal and a feedback signal to output an integration value signal, a pulse width modulation circuit that outputs a digital signal having a pulse width corresponding to a level of the integration value signal, an output buffer that drives a load based on the digital signal, a feedback section that feeds an output signal of the output buffer into the differential integrator as the feedback signal, a clamp section that performs a clamping of limiting the level of the integration value signal within a specified level range, an attenuation section that attenuates the level of the input signal to be input to the differential integrator in response to an attenuation command, and an attenuation control section that outputs the attenuation command to the attenuation section in response to the clamping performed by the clamp section. | 2010-09-02 |
20100219892 | CURRENT LIMITER CIRCUIT - The present invention relates to a circuit configuration for detecting and rapidly limiting large current increase based on high current injection at the output terminal (out). In particular, a gate-controlled switching device (PO), controlled by a driver circuit ( | 2010-09-02 |
20100219893 | RESONANT DEVICE WITH IMPROVED FEATURES - The device resonant comprises a plurality of synchronized oscillators. Each oscillator comprises a resonator which comprises detection means providing detection signals representative of oscillation of the resonator to a feedback loop connected to an excitation input of the resonator. The detection signals control the conductivity of the feedback loop of the oscillator. The excitation inputs of all the resonators are connected to a common point which constitutes the output of the resonant device. A capacitive load is connected between said common point and a reference voltage. | 2010-09-02 |
20100219894 | PHASE SHIFT PHASE LOCKED LOOP - A phase shift phase locked loop (PSPLL) are described. The phase shift PLL includes a PLL and a phase adjusting circuit coupled to the inputs of the PLL. The phase adjusting circuit has a first input, a first output, a second input, a third input, and a second output. The first output and the second output are coupled to a first input and a second input of the PLL, respectively. The second input of the phase adjusting circuit receives a feedback signal and the third input of the phase adjusting circuit receives a control signal. The phase adjusting circuit receives a reference signal and sends a first output signal and a second output signal based on the reference signal to the PLL to adjust a phase of an output signal of the PLL in an increment less than a time period of the output signal of the PLL. | 2010-09-02 |
20100219895 | TRANSISTOR-BASED MICROMETRIC OR NANOMETRIC RESONANT DEVICE - The resonant device comprises an electromechanical resonator of nanometric or micrometric size that comprises a mobile element and a fixed element. Detection means provide detection signals representative of movement of the mobile element with respect to the fixed element to a feedback loop that is connected to an excitation input of the resonator. The resonator is formed on the same substrate as the detection means and feedback loop. The feedback loop comprises at most first and second transistors connected in series between a reference voltage and the excitation terminal. A capacitive load is connected between the excitation terminal and reference voltage. The detection signals control the conductivity of the first transistor. | 2010-09-02 |
20100219896 | Quadrature Oscillator With High Linearity - The present invention relates to an oscillator circuit and a method of controlling the oscillation frequency of an in-phase signal and a quadrature signal. First oscillator means ( | 2010-09-02 |
20100219897 | OSCILLATOR BASED ON SERIES OF FOUR NANOWIRES - The oscillator comprises at least a first series of a multiple of four sub-assemblies each of which comprises an excitation terminal and an output terminal. The sub-assemblies are arranged in series in a closed loop. The output terminal of each sub-assembly is connected to the excitation terminal of the following sub-assembly. The output terminal of one of the sub-assemblies constitutes the output terminal of the oscillator. Each sub-assembly comprises excitation means and a nanowire which constitutes the electromechanical resonator and the piezoresistive detection means of movement of the resonator. A first terminal of the nanowire is connected to a first supply voltage. The second terminal of the nanowire constitutes the output terminal of the sub-assembly which is grounded via a corresponding resistive circuit. An input terminal of the excitation means constitutes the excitation terminal of the sub-assembly. | 2010-09-02 |