40th week of 2008 patent applcation highlights part 30 |
Patent application number | Title | Published |
20080238747 | SUB-HARMONIC IMAGE MITIGATION IN DIGITAL-TO-ANALOG CONVERSION SYSTEMS - A digital-to-analog conversion system comprises a digital input, a digital-to-analog converter and a modified digital signal generator. The digital-to-analog converter has a conversion frequency and is subject to a periodic error having a periodicity equal to that of an N-th sub-harmonic of the conversion frequency, where N is an integer. The digital input is operable to receive a digital input signal. The modified digital signal generator is interposed between the digital input and the digital-to-analog converter and is operable in response to the digital input signal to generate a modified digital signal. The modified digital signal comprises a dynamic digital mitigation component that mitigates the periodic error of the digital-to-analog converter. | 2008-10-02 |
20080238748 | CYCLIC DIGITAL TO ANALOG CONVERTER IN PIPELINE STRUCTURE - A cyclic digital to analog converter (CDAC) in a pipeline structure includes a first CDAC block and a second CDAC block. The first CDAC block receives a first digital signal and converts the first digital signal to a first analog value. The first CDAC block includes a charging capacitor for charging according to the first digital signal and a first storing capacitor for storing the first analog value. The second CDAC block receives a second digital signal and converts the second digital signal to a second analog value. The second CDAC block includes the charging capacitor for charging according to the second digital signal and a second storing capacitor for storing the second analog value. The first CDAC block and the second CDAC block share the charging capacitor. | 2008-10-02 |
20080238749 | METHOD OF COMPRESSING WAVEFORM DATA WITH DIFFERENTIAL ENTROPY BASED COMPRESSION - Waveforms are digitally sampled and compressed for storage in memory. The compression of the data includes generating a truncated entropy encoding map and using the values within the map to obtain good compression. An encoder further sub-selects values to be encoded and values to remain unencoded to provide an overall compression of the data. | 2008-10-02 |
20080238750 | Intelligent Power Control Peripheral - An intelligent power control peripheral (IPCP) may facilitate communications among individual peripherals independent from a digital processor. The IPCP is a “Meta-Peripheral” that may incorporate a configurable inter-peripheral module communications network with digital pulse width modulation (PWM) generators and timing logic therefore, at least one ADC, analog comparators and at least one DAC that may be configured to provide an automatic power control structure that may also provide automatic digital processor/DSP task and workload scheduling for applications such as switch mode power supply (SMPS), brushed motor, etc. This Meta-Peripheral may further use a configurable control fabric in combination with the aforementioned specialized peripherals for the utmost in control configuration flexibility. | 2008-10-02 |
20080238751 | DIGITAL RADIO SYSTEM AND METHOD OF OPERATION - A digital radio system comprises a mixer and an analog-to-digital converter communicative coupled to the mixer. The mixer generates an intermediate frequency signal based at least in part upon a radio frequency signal and a local oscillator signal, wherein the intermediate frequency signal comprises a signal of interest having a particular bandwidth. The analog-to-digital converter generates a digital signal by quantizing the intermediate frequency signal using a sampling frequency that is greater than twice the bandwidth of the signal of interest and less than the frequency of the intermediate frequency signal. | 2008-10-02 |
20080238752 | Analog-to-digital (AD) converter and analog-to-digital conversion method - An AD converter that operates at high speed and precision of which is disclosed. The AD converter includes an analog-to-digital (AD) conversion part that samples an analog signal according to a sampling clock and converts it into a digital signal, a jitter measuring circuit that measures the jitter of the sampling clock, and a correction circuit that corrects a digital signal output from the AD conversion part. The AD converter further comprises a clock source and a sampling generating circuit that generates a sampling clock by dividing the clock generated by the clock source, wherein the jitter measuring circuit measures the jitter of the sampling clock with respect to the click on the basis of a clock CK. | 2008-10-02 |
20080238753 | PIPELINED ANALOG-TO-DIGITAL CONVERTER HAVING A POWER OPTIMIZED PROGRAMMABLE DATA RATE - The present invention is related to a pipelined analog-to-digital converter (ADC) utilizing a power distribution scheme selectively delivering both constant and variable reference currents in selected proportions to a plurality of stages and operational transconductive amplifiers (OTAs). This permits the ADC to maintain an optimized speed over power consumption ratio over a wide data rate range. Since the invention is capable of supporting a large operating range while maintaining very low power consumption relative to the data rate, the pipelined ADC in accordance with the present invention is particularly adaptable to a large number of applications. | 2008-10-02 |
20080238754 | TIME CONTINUOUS PIPELINE ANALOG-TO-DIGITAL CONVERTER - A Sampled Pipeline Subranging Converter (SPSC) may include at least one stage—e.g. at least the input stage—operating in a time-continuous fashion. In the time continuous input stage, the analog input may be processed in two parallel paths. A lower path may comprise a track-and-hold (T/H) element, an Analog-to-Digital-Converter (ADC) and a Digital-to-Analog-Converter (DAC). The T/H element may be optional and may be present if required by the ADC. The signal entering the lower path may be sampled at the desired conversion rate. The time continuous stage(s) may additionally be configured with an upper path that includes a delay element configured to receive the analog input, a Low-Pass (LP) filter coupled to the delay element, and an anti alias filter. The output generated by the DAC may be subtracted from the output of the LP filter, and the resulting difference signal may be provided to the anti alias filter, which in turn may generate the residue (or error) output. The digital output of the time continuous converter may be calculated by combining the digital outputs of the various sections. | 2008-10-02 |
20080238755 | REMOTE CONTROL WITH TV LISTING DISPLAY - A device includes a keypad that further includes first keys related to selecting television channels associated with a set top box and a second key related to requesting a television listing. The device further includes an infra-red transceiver that transmits a request for television listing information to a set top box based on user selection of the second key, and receives television listing data, from the set top box, that includes program information related to a plurality of channels over a period of time. The device also includes a color display unit that displays the television listing data. | 2008-10-02 |
20080238756 | Radio Control Transmitter for Models - A radio control transmitter for a model is disclosed wherein a control range is limited to not to exceed a maximum control range without using a mechanical means. In accordance with the transmitter, an added control range being a sum of two or more of the control ranges is calculated, whether the added control range exceeds a maximum control range set to correspond to the operating section of the object to be controlled is determined, and the control range is corrected when the added control range exceeds the maximum control range. | 2008-10-02 |
20080238757 | System and Methods for Remote Sensing Using Double-Sideband Signals - A sensing system ( | 2008-10-02 |
20080238758 | Method For Pre-Detecting Responses in a Secondary Radar or Application to the Detection of Mode S Responses - The invention relates to a method for pre-detecting responses in a secondary radar. It applies in particular to the detection of mode S responses. An aim of the invention is to process the signals received before decoding the responses so as to allow the detection of mixed responses, and avoid the detection of ghost responses. For this purpose, the invention has in particular as subject a method for pre-detecting responses in a secondary radar, the responses to be pre-detected comprising a message coded by a modulated signal, characterized in that the presence of a signal exhibiting modulation characteristics in accordance with those of a message of a response to be pre-detected is identified; the duration of the signal identified is measured; this duration is compared with a minimum duration, this minimum duration being determined on the basis of the duration of the messages of the responses to be pre-detected. | 2008-10-02 |
20080238759 | INTEGRATED DISTANCE MEASURING EQUIPMENT AND TRANSPONDER SYSTEM AND METHOD - A combined transponder and DME system for use in an aircraft. An L Band transmitter is shared between transponder and DME. | 2008-10-02 |
20080238760 | Scanner - A laser radar device that operates on an elapsed time basis and has a pulsating laser for emitting successive light pulses into a monitored region. A light receiver receives light impulses reflected by an object in the monitored region and generates electrical signals responsive to the received light impulses. The signals are forwarded to an evaluation unit adapted to generate a distance signal indicative of a distance between the object and the laser radar device on the basis of the speed of light and an elapsed time between the emission of the light pulses and the receipt of the reflected light pulses. A light diverter located between the laser and the monitored region continuously varies the directionality of the light impulses directed into the monitored region and includes a beam splitter that divides the energy of the emitted light pulses into a main beam and a sensing beam. The beam splitter causes a constant angular offset between the main beam and the sensing beam in the direction in which the directionality of the light beams is varied. A further light receiver is provided for receiving light impulses from the sensing beam reflected by the object. | 2008-10-02 |
20080238761 | IN-VEHICLE PULSE RADAR DEVICE - Provided is an in-vehicle pulse radar device capable of calculating a distance to a target object based on a delay time between a transmission pulse wave and a received signal. The in-vehicle pulse radar device includes: a reception control unit for controlling passing and blocking of the received signal in synchronization with the transmission pulse wave; a shaping unit for shaping the trailing edge of a pulse wave of the received signal to be delayed; and a sampling unit for sampling the received signal when a predetermined period of time elapses after the reception control unit starts to pass the received signal therethrough. | 2008-10-02 |
20080238762 | SYSTEM AND METHODS FOR MULTISTEP TARGET DETECTION AND PARAMETER ESTIMATION - A system and methods for multistep target detection and parameter estimation which utilizes slices and/or projections of the cross-ambiguity function of the transmitted and received signals of a sensor system is disclosed. The system and methods of the present invention offer a computationally efficient means of detecting targets while achieving a high probability of detection and a reduced false alarm rate. Detection and parameter estimation of targets is accomplished by generating hypotheses and then validating the generated hypotheses. The hypotheses are generated using slices and/or projections of cross-ambiguity functions of transmitted signals and reflections received from the targets without the need to compute the entire cross-ambiguity function. After hypotheses are generated they are validated by determining the amplitude of a cross-ambiguity function at the coordinates of the hypotheses and comparing the amplitude to a predetermined threshold. | 2008-10-02 |
20080238763 | METHOD AND SYSTEM FOR CALIBRATING RADAR ALTIMETERS - A method for calibrating an altimeter is disclosed. The method comprises monitoring signal strength of one or more altitude measurements. Based on the signal strength, the method applies piecewise linear altitude correction to the one or more altitude measurements to generate altitude correction data. The method further determines a goodness-of-fit for the altitude correction data. The altitude correction data maintains a correct altitude measurement in the presence of variable signal strength. | 2008-10-02 |
20080238764 | Method and System for Determining Position of Terminal by Using Gps Terminal and Location Detector in Gps Satellite-Invisible Area - The method for finding location of a GPS terminal in a GPS satellite-invisible area by using a mapping server including the mobile terminal, a location detector, a PDE, and a database, comprising: (a) obtaining a reference pilot signal of a base station or a repeater and a LD pilot signal from the location detector; (b) transmitting information on the reference pilot signal or the LD pilot signal to the PDE, if a strength of the reference pilot signal or the LD pilot signal is determined to be larger than a prescribed value; (c) calculating a pseudo noise code phase value per chip from the PSMM; (d) transmitting the pseudo noise code phase value to the LD mapping server, if the pseudo noise code phase value calculated at step (c) is determined to be a pseudo noise code phase value served for a location detection; and (c) obtaining a location information of the GPS terminal by using the pseudo noise code phase value transmitted at step (d). | 2008-10-02 |
20080238765 | Satellite Clock Prediction - Devices and methods are described for determining position information without broadcast ephemeris data for a spanned time period using predictions of future satellite states. These predictions include predictions of satellite clock bias. During the spanned time period, broadcast ephemeris is received such that a broadcast-ephemeris-derived satellite clock bias may be determined. The predictions of satellite clock bias subsequent to the receipt of the broadcast ephemeris may then be corrected based upon the broadcast-ephemeris-derived satellite clock bias. | 2008-10-02 |
20080238766 | Apparatus having integrated radio and GPS receivers - An apparatus includes a radio receiver, a GPS receiver and a semiconductor package. The semiconductor package contains both the radio receiver and the GPS receiver. | 2008-10-02 |
20080238767 | System and method for effectively performing enhanced mobile-device location procedures - A system and method for effectively performing enhanced device location procedures to determine the current physical location of a mobile device includes a plurality of satellites that wirelessly transmit satellite beacon signals, a plurality of base stations that wirelessly transmit pilot signals, and a plurality of access points that wirelessly transmit access-point beacon signals. A location detector of the mobile device coordinates a device location procedure by measuring the satellite beacon signals, the pilot signals, and the access-point beacon signals to generate corresponding satellite information, base station information, and access point information. The location detector analyzes the satellite information, the base station information, and the access point information to select an optimal system configuration from the most effective satellites, base stations, and access points. The location detector then utilizes the optimal system configuration to accurately calculate the current physical location of the mobile device. | 2008-10-02 |
20080238768 | GPS tracking & behavior monitoring device with back-end software program service integrations - This patent is a high quality Global Position (GPS) product/service that focuses on the growing public and government interest in personal and asset safety. This is a portable transmitter GPS (wristwatch) called “Ambertrax™” to be monitored via satellite and specifically designed to be tracked over the internet with a receiver/transmitter (PDA) and a powerful satellite decoder super computer infrastructure that will also be able to host millions of simultaneous GPS singles. | 2008-10-02 |
20080238769 | GEOFENCING AND ROUTE ADHERENCE IN GLOBAL POSITIONING SYSTEM WITH SIGNALS FROM FEWER THAN THREE SATELLITES - When a global positioning system receiver receives signals from too few satellites to determine its position unambiguously, the receiver determines a solution surface as a set of possible locations determined from the signals received from the satellites. It then determines a minimum possible distance from a base location to that solution surface. If the base location is a geofence anchor, the receiver can determine whether a geofence crossing event has happened. If the base location is on a route, the receiver can determine whether it is following the route. A receiver with an ordinary clock can do so with signals from two satellites; a receiver with an extremely accurate clock can do so with a signal from one satellite. | 2008-10-02 |
20080238770 | GPS Device and integrated circuit with an on-chip gyrator - An integrated circuit, for use in a GPS device, includes an on-chip gyrating circuit that generates a motion parameter based on motion of the IC. A global positioning system (GPS) receiver receives a GPS signal and generates GPS position data based on the GPS signal. A processing module processes the motion parameter to produce motion data and that generates position information based on the GPS position data and the motion data. | 2008-10-02 |
20080238771 | Vehicle position detection system - A vehicle position detection system is provided to detect a vehicle position with higher accuracy. The vehicle position detection system includes a GPS receiving device mounted on the vehicle to receive GPS signals from a GPS satellite, a light beacon communication device mounted on the vehicle to receive light beacon information from a light beacon arranged in front of an intersection of a road, and a central processing unit mounted on the vehicle to correct a position of the vehicle based on the light beacon information upon reception of the light beacon information by the light beacon communication device. | 2008-10-02 |
20080238772 | METHOD AND APPARATUS FOR USING MULTIPATH SIGNAL IN GPS ARCHITECTURE - A method and apparatus for constructive use of a multipath signal in GPS signal processing is provided. In one embodiment, the method includes: a) receiving a GPS signal at a mobile object from a satellite vehicle, b) determining a distance characteristic relating a reflecting object to the mobile object, c) determining at least one inertial characteristic associated with the mobile object, d) predicting at least one multipath signal characteristic associated with reflection of the GPS signal by the reflecting object toward the mobile object, and e) determining the GPS signal received in a) includes a multipath signal associated with reflection of the GPS signal by the reflecting object toward the mobile object. In one embodiment, the apparatus includes: a GPS receiver, a storage device, an inertial measurement device, and a controller. In another embodiment, the apparatus also includes a distance measurement device. | 2008-10-02 |
20080238773 | Directivity control apparatus of array antenna and directivity controlling method - An array antenna directivity control apparatus includes: weighting coefficient updator which updates a weighting coefficient based on an error between antenna signals of multiple antennas and a known reference signal; and update amount corrector which corrects an amount of updating for each of the weighting coefficients, which updating is performed by said weighting coefficient updator, based on predict error information predicted on the basis of the error in past. As a result, it is possible to adjust a weighting coefficient with prediction of the next position of a target. Thus, it becomes possible to track a target which is being moving in high speed with a small amount of calculation. | 2008-10-02 |
20080238774 | BROADBAND BEAM STEERING ANTENNA - The present invention relates to an antenna apparatus with steerable beam pattern, an RF transceiver comprising the antenna apparatus and a mobile device comprising the antenna apparatus. The antenna apparatus according to the present invention is attachable to the front-end of a transceiver circuitry and comprises at least two balanced radiation elements forming a planar structure, for transmitting and/or receiving a corresponding number of partial signals, a signal splitter and/or combiner for splitting a signal received from an attached transceiver circuitry into said partial signals and/or combining said partial signals into a signal to be transmitted to an attached transceiver circuitry, a phase shifter device operable to apply relative phase shifts between at least two of said partial signals, whereby said relative phase shifts are selectable from a group of at least two relative phase shift values provided by said phase shifter device. | 2008-10-02 |
20080238775 | Beamformed Space Time Code Communication with Testing Spatial Signature Generation - An apparatus, logic and method are provided to improve beamformed space time code (STC) wireless communication. A first device comprising a plurality of antennas receives signals at the plurality of antennas transmitted from a first antenna of a second device. A testing spatial signature for a second antenna of the second device is computed based on the signals received at the plurality of antennas of the first device from the first antenna of the second device. Using the testing spatial signature and the signals received at the plurality of antennas of the first device from the first antenna of the second device, beamforming weights are computed to be applied to a space time code signal to be transmitted from the first device to the second device via the plurality of antennas of the first device. | 2008-10-02 |
20080238776 | MICROWAVE POSITION SENSING FOR A TURBO MACHINE - A microwave position sensing system includes a plurality of target components that each move between multiple positions. A microwave generator produces a microwave frequency signal. A divider receives the microwave frequency signal and splits the microwave frequency signal into a plurality of position sensing signals. The position sensing signals are respectively sent to the plurality of target components to determine a position of each of the target components. Each position sensing signal may also be calibrated. In one example, first and second frequencies are transmitted through a common wave guide. The first frequency is reflected prior to reaching the target component to produce a calibration signal. The second signal, which is used to detect the position of the target component, is calibrated using the first frequency. | 2008-10-02 |
20080238777 | SYSTEM AND METHOD FOR ENHANCIN THE ACCURACY OF A LOCATION ESTIMATE - A method for enabling a system to enhance the accuracy of a location estimate modifies weights in a weight matrix associated with receiver station measurements in parallel with successive refinements of the location estimate. In a typical location estimation scenario, several receiving stations simultaneously derive measurements of a signal from the emitter. Any one of these measurements is in general some function of the emitter location and the receiving station location. The aggregate of these measurements is often in excess of the minimum number of measurements required to provide an estimate of the emitter location. Where such an excess exists, the method proceeds by modifying the weights associated with the measurements in parallel with successive refinements of the location estimate. The method can be implemented over various cellular protocols with a consistent and significant enhancement in the accuracy of location estimates. | 2008-10-02 |
20080238778 | Folded Antenna - An antenna element | 2008-10-02 |
20080238779 | Nanostructured, magnetic tunable antennas for communication devices - A communication device ( | 2008-10-02 |
20080238780 | COUPLED SLOT PROBE ANTENNA - A coupled slot probe antenna for use with antenna structures in mobile communication devices, such as cellular telephones and other wireless communication devices. The coupled slot probe antenna includes at least one first conductive element, and a second conductive element coupled between the first conductive element and the printed circuit board (PCB) ground plane of the mobile communication device. The first and second conductive elements define a tunable coupled slot area and the coupled slot probe antenna is coupled to the PCB ground plane in such a way that the coupled slot area is near a low-impedance point of the antenna structure, wherein coupling therebetween improves the bandwidth and the efficiency of the antenna structure. The coupled slot area can be tuned by changing the size of the coupled slot area and by changing the position of the coupled slot area relative to the low-impedance point of the antenna structure. | 2008-10-02 |
20080238781 | PATCH ANTENNA WITH AN L-SHAPED CUT CORNER - The present invention discloses a patch antenna with an L-shaped cut corner. The patch antenna includes a substrate, a patch, a ground plate and a feed point. The substrate has corresponding first surface and second surface. The patch is installed on the first surface of the substrate. At least one corner of the patch forms the L-shaped cut corner, and two arms of the L-shaped cut corner are disposed at two edges of the patch. The second surface of the substrate includes a ground plate, and the patch includes a feed point for transmitting and receiving feed-in or feed-out wireless signals. | 2008-10-02 |
20080238782 | High-directivity microstrip antenna - A high-directivity microstrip antenna comprising a dielectric layer with a first surface and a second surface that respectively connects to a metal patch and a ground metal layer, wherein the dielectric layer has a through-hole with a metal element connecting to the first surface and the second surface, and the metal element is positioned at the interior of the through-hole, wherein the two ends of the metal element respectively electrically connects to the metal patch and the ground metal layer for having higher directivity when the antenna is designed in a fixed dimension; also, for saving cost by selecting a dielectric layer with various coefficients. | 2008-10-02 |
20080238783 | Ultra-wide band antenna and plug-and-play device using the same - An ultra-wide band (UWB) antenna and a plug-and-play (PnP) device using the same are provided. A dielectric substrate of the PnP device has a ground plane. The UWB antenna includes a radiating metal plate and a feeding portion. The radiating metal plate is in a non-ground region of the dielectric substrate and has at least a slit cut. An opening of the slit cut is at the edge of the radiating metal plate facing the ground plane. The feeding portion is also at the edge of the radiating metal plate facing the ground plate for feeding a signal to the antenna. | 2008-10-02 |
20080238784 | PATTERN ANTENNA, TAG ANTENNA AND PATTERN TRANSMISSION PATH - In an antenna formed by a substantially thin-plate state conductive member on a base material, a surface area expanding portion is provided at least substantially at a center part in a direction orthogonal to a direction in which an electric current flows. The surface area expanding portion is a projection portion provided in a projecting state with respect to a peripheral portion (or a concave portion arranged concaved than the peripheral portion). A width dimension of the projection portion (or the concave portion) in a cross-sectional face is twice or more of a skin depth of the electric current in the cross sectional face. | 2008-10-02 |
20080238785 | Antenna and frequency modulation method thereof - An antenna and a method for modulating an operating frequency band of the antenna are provided. The present antenna includes a plastic body comprising at least a hallow portion, and a metal element disposed inside the plastic body, wherein the metal element is flat and comprises a planar radiation portion and two extending portions, wherein a shape and a size of the hallow portion are adjustable. The operating frequency band of the antenna is modulated according to a shape and a size of the hallow portion. | 2008-10-02 |
20080238786 | APPARATUS FOR MAXIMIZING SIGNAL STRENGTH IN WIRELESS DEVICES - A device for performing one of the functions from the group of functions of wireless transmission of a signal and wireless reception of a signal comprising a housing having a cavity on the outside surface of the housing and an antenna assembly comprising an antenna mounted on a member, the member having a ball at one end that mates with the cavity, the member having a plate having an aperture sized so that it can be moved along the member and attached to the housing so that the antenna can be moved in three dimensions and then fixedly secured in the cavity by the plate. | 2008-10-02 |
20080238787 | FOLDABLE ELECTRONIC DEVICE - A foldable electronic device comprising a first body, a second body, a second body, a pivot, an antenna module, and a coupling module is provided. The first body comprises a first cover. The second body comprises a second cover. The pivot allows the second body to rotate relative to the first body. The antenna module is disposed within the first body and comprises a ground plane electrically connected to the first cover. The coupling module comprises a first coupling portion and a second coupling portion. The first coupling portion is disposed within the first body and electrically connected to the first cover. The first coupling portion is adjacent to the antenna module, and a gap formed between the antenna module and the first coupling portion. The second coupling portion disposed within the second body is electrically connected to the second cover and corresponds to the first coupling portion. | 2008-10-02 |
20080238788 | PORTABLE COMPUTER AND ANTENNA DISTANCE SETTING MECHANISM - An apparatus has an antenna distance setting mechanism that sets a distance between a cosmetic cover and a radio antenna. An upper housing and a radio antenna, which has a ground and a radiating element and is movably attached to the upper housing, are covered by a cosmetic cover formed of a dielectric material. An antenna distance setting mechanism includes a radio antenna supporting member, elastic members, and protrusions. The radio antenna-supporting member is movably attached to the upper housing. When the cosmetic cover is attached to the upper housing, an inner wall of the cosmetic cover pushes the ends of the protrusions against an elastic force of the elastic members to set the distance between the radiating element and the inner wall of the cosmetic cover to a predetermined distance. | 2008-10-02 |
20080238789 | Antenna interface circuits including multiple impedance matching networks that are respectively associated with multiple frequency bands and electronic devices incorporating the same - An electronic device includes an antenna, a radio frequency circuit, and an impedance matching circuit that is connected between the antenna and the radio frequency circuit. The impedance matching circuit includes a plurality of impedance matching networks that are respectively associated with frequency bands used by the radio frequency circuit. | 2008-10-02 |
20080238790 | Rotating Screen Dual Reflector Antenna - A system for steering a beam includes a main reflector that receives a signal from a subreflector and reflects the signal in a reflection direction. A prism refracts the signal in a refraction direction. One or more motors adjust a relative orientation between the main reflector and the prism to change a relative orientation between the reflection direction and the refraction direction to steer a beam resulting from the signal. | 2008-10-02 |
20080238791 | INTERFEROMETRIC POLARIZATION CONTROL - A signal conditioning module provides a polarimeter capability in a photometric system. The module may include multiple variable delay polarization modulators. Each modulator may include an input port, and a first arm formed to include a first reflector and first rooftop mirror arranged in opposed relationship. The first reflector may direct an input radiation signal to the first rooftop mirror. Each modulator also may include an output port and a second arm formed to include a second reflector and second rooftop mirror arranged in opposed relationship. The second reflector can guide a signal from the second rooftop mirror towards the output port to provide an output radiation signal. A beamsplitting grid may be placed between the first reflector and the first rooftop mirror, and also between the second reflector and the second rooftop mirror. A translation apparatus can provide adjustment relative to optical path length vis-à-vis the first arm, the second arm and the grid. | 2008-10-02 |
20080238792 | Microwave Antenna for Flip-Chip Semiconductor Modules - The invention relates to a microwave antenna for flip-chip semiconductor modules, comprising two semiconductor substrates which are metallized on the surface thereof. Patch antennas, i.e. metallized flat areas which are insulated from the rest of the circuit on an outer surface of a module with a supply line to the circuit, are already known per se. They result in vertical radiation at a relatively large angle. According to the invention, a closed group of bumps are arranged in such a way that the distance of the bumps ( | 2008-10-02 |
20080238793 | Compact Planar Antenna For Single and Multiple Polarization Configurations - A planar antenna comprising a signal path for receiving or transmitting a signal, a conductive layer having a slot formed therein positioned to electromagnetically couple with the signal path, a conductive plate parallel to and overlying the slot and spaced therefrom by a dielectric layer, the conductive plate being electrically in contact with the signal path, and one or more patches parallel to and above the conductive plate. | 2008-10-02 |
20080238794 | Configurable antenna for mixed wireless networks - Methods and apparatus to reconfigure an antenna for use with mixed wireless networks are described. In one embodiment, a switch is coupled between a first portion and a second portion of an antenna to cause the antenna to tune to a plurality of radio frequency bands. Other embodiments are also described. | 2008-10-02 |
20080238795 | SYSTEMS AND METHODS FOR MULTI-ELEMENT ANTENNA ARRAYS WITH APERTURE CONTROL SHUTTERS - Embodiments include systems and methods for controlling beam direction of an array of antenna elements in a wireless communications system. In one embodiment, aperture control shutters substantially cover each radiating antenna element. Each aperture control shutter is selectively turned on or off to control the direction of a beam of the antenna array. | 2008-10-02 |
20080238796 | VERY HIGH FREQUENCY DIELECTRIC SUBSTRATE WAVE GUIDE - A radio transceiver device includes circuitry for radiating electromagnetic signals at a very high radio frequency both through space, as well as through wave guides that are formed within a substrate material. In one embodiment, the substrate comprises a dielectric substrate formed within a board, for example, a printed circuit board. In another embodiment of the invention, the wave guide is formed within a die of an integrated circuit radio transceiver. A plurality of transceivers with different functionality is defined. Substrate transceivers are operable to transmit through the wave guides, while local transceivers are operable to produce very short range wireless transmissions through space. A third and final transceiver is a typical wireless transceiver for communication with remote (non-local to the device) transceivers. | 2008-10-02 |
20080238797 | HORN ANTENNA ARRAY SYSTEMS WITH LOG DIPOLE FEED SYSTEMS AND METHODS FOR USE THEREOF - An antenna array comprises a plurality of elements, at least one of the elements including a log dipole isolated from others of the elements by a horn structure. | 2008-10-02 |
20080238798 | Method for Making an Antenna Structure - A method for making a feed structure for an antenna may include providing a polarizer body having a polarizer sidewall extending longitudinally between spaced apart ends. A portion of the polarizer sidewall is deformed to provide at least one polarizing structure that extends radially inwardly along an interior of the polarizer sidewall relative to adjacent portions of the polarizer sidewall. The method thus can be utilized to produce an antenna structure. | 2008-10-02 |
20080238799 | NEAR FIELD COMMUNICATION ANTENNA AND MOBILE DEVICE - An NFC antenna (“NFC” stands for “near field communication”) includes a ferrite antenna including a primary antenna coil wound on a ferrite core of the ferrite antenna; a loop coil provided in a position where components of a magnetic flux on a non-communication direction side interlink, the magnetic flux being generated by the ferrite antenna; and a loop coil switching unit for switching between a mode for forming a loop of the loop coil and a mode for disconnecting the loop. | 2008-10-02 |
20080238800 | Balanced Antenna Devices - A balanced antenna comprising a dipole with first and second radiating arms, the radiating arms being provided with a balanced transmission line for connection to a feed, the balanced transmission line comprising first and second conductors connected to each other by a short-circuit conductor, and in which the antenna device is fed by applying a potential difference across the first and second conductors. The antenna device may be fed with an unbalanced feed, and is significantly smaller than a typical balanced dipole antenna device configured for operation at the same frequency. | 2008-10-02 |
20080238801 | Conductor Having Two Frequency-Selective Surfaces - An antenna having two frequency-selective surfaces is disclosed. The antenna includes a first frequency-selective surface (FSS) having multiple holes to form a mesh, a second FSS having a multiple holes to form a mesh, and a perfect electric conductor located between the first FSS and the second FSS. | 2008-10-02 |
20080238802 | Antenna Device - An antenna device includes an antenna element, a high-frequency circuit connected to the antenna element, a first ground section connected to the high-frequency circuit, a reactance circuit connected to the first ground section, and a second ground section connected to the reactance circuit. Employing the structure above allows the antenna device to have a compact body and to easily control antenna characteristics, such as radiation characteristics and input impedance characteristics. | 2008-10-02 |
20080238803 | EXTREMELY MINIATURIZED FM FREQUENCY BAND ANTENNA - An extremely miniaturized FM frequency band antenna built in a mobile device includes a substrate and an antenna unit. The substrate is provided with a plate having a grounding metallic surface and a first clearance surface. A second clearance surface provided on the same side of the grounding metallic surface has a metallic micro strip line. One end of the metallic micro strip line extends to a bottom end of the second clearance surface and has a first contact. The other end of the micro strip line extends onto the first clearance surface and has a second contact. Further, a third contact is provided on the first clearance surface at a position corresponding to that of the second contact. Finally, the antenna unit is electrically connected on the second and third contacts to form a FM antenna for receiving FM signals. | 2008-10-02 |
20080238804 | MULTI-BAND HIGHLY ISOLATED PLANAR ANTENNAS INTEGRATED WITH FRONT-END MODULES FOR MOBILE APPLICATIONS - An embodiment of the present invention provides an apparatus, comprising a multi-band highly isolated planar antenna directly integrated with a front-end module (FEM). | 2008-10-02 |
20080238805 | High frequency module - A high frequency module includes a layered substrate and an element for outputting a reception signal in a balanced state. The element includes a first and a second output terminal and is mounted on the top surface of the layered substrate. A first and a second reception signal terminal are disposed on the bottom surface of the layered substrate. The high frequency module further includes a first signal path connecting the first output terminal and the first reception signal terminal to each other, and a second signal path connecting the second output terminal and the second reception signal terminal to each other. The first and second signal paths are each formed using one or more through holes provided inside the layered substrate, and are not exposed at any side surface of the layered substrate. | 2008-10-02 |
20080238806 | ANTENNA STRUCTURE OF MOBILE PHONE - An antenna structure for mobile phone comprises a PCB (printed circuit board), an antenna portion and a second grounding portion position connected to the PCB. A face of the PCB is smeared with a stratum metal material and functioning as a first grounding portion. The antenna portion further has an antenna, a feeding point and a grounding point connected with the antenna. The second grounding portion connected to the PCB on another side of the PCB opposite to the antenna portion. Because the area of the grounding portion is increased, the electric field could be equality distributed within the whole grounding portion. | 2008-10-02 |
20080238807 | Dual antenna topology for Bluetooth and IEEE 802.11 wireless Local Area Network devices - A method includes determining that an antenna shared between a Bluetooth transceiver and a WLAN transceiver is available to the WLAN transceiver based on an activity signal associated with the Bluetooth transceiver. Access to the shared antenna is provided to the WLAN transceiver based on the determination, and the WLAN transceiver is configured to use diversity in transacting WLAN signals via a plurality of antennas, including the shared antenna. Access to the shared antenna is transferred from the WLAN transceiver to the Bluetooth transceiver based on the activity signal. | 2008-10-02 |
20080238808 | Diversity receiver - A diversity receiver is provided with antennas ( | 2008-10-02 |
20080238809 | FLEXIBLE ANTENNA MOUNTING ASSEMBLY - A mounting assembly ( | 2008-10-02 |
20080238810 | Radio Frequency Lens and Method of Suppressing Side-Lobes - An RF lens according to the present invention embodiments collimates an RF beam by refracting the beam into a beam profile that is diffraction-limited. The lens is constructed of a lightweight mechanical arrangement of two or more materials, where the materials are arranged to form a photonic crystal structure (e.g., a series of holes defined within a parent material). The lens includes impedance matching layers, while an absorptive or apodizing mask is applied to the lens to create a specific energy profile across the lens. The impedance matching layers and apodizing mask similarly include a photonic crystal structure. The energy profile function across the lens aperture is continuous, while the derivatives of the energy distribution function are similarly continuous. This lens arrangement produces a substantial reduction in the amount of energy that is transmitted in the side-lobes of an RF system. | 2008-10-02 |
20080238811 | Method and Apparatus for Steering Radio Frequency Beams Utilizing Photonic Crystal Structures - An RF beam steering device according to present invention embodiments employs a prism assembly to steer an RF beam. The prism assembly includes a plurality of dielectric prisms each with an associated impedance matching layer. The dielectric prisms are rotated relative to each other to steer the RF beam. The prisms include a plurality of individual panels with drilled or slotted openings that are arranged to create a periodic photonic crystal structure within a defined region. This configuration effectively alters the dielectric constant over any one particular region of a panel, thereby altering the level of diffraction possible for a specified panel thickness. The openings within each stacked panel are overlapped to produce the required level of diffraction and refractive index gradient. Motors rotate the prisms relative to each other to the correct orientation for steering the RF beam in a desired manner. | 2008-10-02 |
20080238812 | MULTI-SCREEN DISPLAY SYSTEM AND METHOD OF SETTING MULTI-SCREEN DISPLAY - The invention provides a multi-screen display system and a method of setting a multi-screen display. The multi-screen display system comprises a computer mainframe and a plurality of displays. The computer mainframe is provided with an obtaining module for obtaining a moving track of a mouse; a monitoring module for monitoring the obtained moving track, and triggering an adjustment module when it is monitored that the mouse fails to go across a display border or the display to which the mouse enters is not in accordance with a display as desired; and the adjustment module for adjusting the multi-screen display setting according to the triggering to the monitoring module so that the display to which the mouse enters is in accordance with the display as desired. A solution of the present invention performs the multi-screen display setting automatically according to the moving track of the mouse. During the multi-screen display setting process, it is not necessary to remember serial numbers and relative positions of the respective displays, which is simple to operate; and no new hardware overhead will be added, which is cost-effective. | 2008-10-02 |
20080238813 | COMPUTING DEVICE AND DISPLAY FOR COMPUTING DEVICE - A display system for a handheld computing device includes a processing unit having a first communication port, and a visual display unit separable from the processing unit. The visual display unit further includes a visual display, and a second communication port. The display unit can be expanded from an initial or storage state to present a larger visual display size. Further, the first communication port providing communication with the second communication port. | 2008-10-02 |
20080238814 | HEAD-UP DISPLAY APPARATUS - A head-up display apparatus allows an occupant of a vehicle to visually perceive a virtual image of an image light reflected by a windshield after passing through a cylindrical lens. The cylindrical lens is inclined against the image light to thereby reflect outside light not to reach an eye range of the occupant. The cylindrical lens is placed in a light guide portion such that (i) an action axis direction for an optical action and (ii) a horizontal direction in the display image agree with each other. Of the cylindrical lens, an inclination angle and installation depth are so set that light incident at an angle equal to or greater than an interception upper-limit incident angle and reflected by a pass-through side of the cylindrical lens does not arrive at the eye range of the occupant. | 2008-10-02 |
20080238815 | HEAD-MOUNTED DISPLAY - A head-mounted device mounted on a wearer's head has a first pressing unit to press against the wearer's head from a position of his/her medulla, a second pressing unit to press against the wearer's head in an opposite direction to a pressing direction of the first pressing unit, and a mounting unit to mount the head-mounted device on the wearer's head by adjusting at least one of the first pressing unit and the second pressing unit. | 2008-10-02 |
20080238816 | Information Processing Apparatus - According to an aspect of the present invention, there is provided an information processing apparatus including: a first chassis; a second chassis; a two-axis joint part that joins the second chassis to the first chassis openably and swingably with respect to a first axis and a second axis; a magnet disposed in the second chassis in proximity to the first axis; and a magnetic sensor that senses at least two opposed directions of a magnetic field; wherein the magnetic sensor is disposed at a position in proximity to the magnet when the second chassis is closed with respect to the first chassis. | 2008-10-02 |
20080238817 | DISPLAY DEVICE - In a display device, pixel electrodes I, II and III corresponding to color filters R, G and B are coupled to TFTs which are turned on in accordance with signals on gate lines G, and the drain (source) of the TFT coupled to the pixel electrode II is connected with the source (drain) of the TFT coupled to the pixel electrode III. A signal voltage is written in the pixel electrode I when the gate line G | 2008-10-02 |
20080238818 | DISPLAY DEVICE - A display device includes a display panel having a plurality of pixels in a form of matrix and a controller configured to control the plurality of pixels of the display panel so that an instrument image indicating an instrument is displayed on the display panel. The instrument image includes a scale image indicating a scale, and a pointer image indicating a pointer that is movable in accordance with an increase and decrease in a measured magnitude for indicating the measured magnitude in association with the scale image. The instrument image further includes a highlight image that is displayed in a predetermined pattern in accordance with at least one of a position and a motion of the pointer image. | 2008-10-02 |
20080238819 | DIFFERENTIAL SIGNALING SYSTEM AND FLAT PANEL DISPLAY WITH THE SAME - A differential signaling system that clearly detects a presence of an impedance mismatch utilizing a test circuit in a flat panel display using a signal transmission method for transmitting a differential signal. A first transmission line and a second transmission line are coupled between a transmitter and a receiver as a differential signal line. A termination resistor is coupled between the first transmission line and the second transmission line at the receiver. A test circuit is coupled in parallel to the termination resistor, and detects a minute variation of differential impedance due to the differential signal line. The test circuit includes a differential test amplifier for amplifying a differential voltage responsive to a minute variation in an impedance of the first transmission line or the second transmission line, and two switches coupled to input terminals of the differential test amplifier for controlling an operation of the differential test amplifier. | 2008-10-02 |
20080238820 | Motion picture image processing system and motion picture image processing method - A motion picture moving on a display screen | 2008-10-02 |
20080238821 | PLASMA DISPLAY PANEL - To prevent sucking of a sealing material in steps of sealing and exhaust of a plasma display panel. The plasma display panel includes a front substrate and a rear substrate, in which the peripheries thereof are sealed by a glass sealing material. A sealing portion formed by the glass sealing material is formed of a multi-layered structure including at least two types of glass with different softening points. The entirety or part of the sealing portion on an inner side of the panel is formed of glass with the highest softening point. Since the high-temperature softened glass serves as a barrier for preventing sucking of the low-temperature softened glass into the panel, it is possible to prevent sucking of the sealing material into the panel. This can improve image display characteristics. | 2008-10-02 |
20080238822 | PLASMA DISPLAY AND DRIVING METHOD THEREOF - A plasma display includes a plurality of first electrodes divided into at least two groups. In the plasma display, first group cells corresponding to first electrodes of the first group are initialized, and light emitting cells are selected from the first group cells to be sustain-discharged. In addition, second group cells corresponding to the first electrodes of the second group are initialized, and light emitting cells are selected from the second group cells to be sustain-discharged. | 2008-10-02 |
20080238823 | Plasma display device and driving method thereof - Disclosed plasma display device includes a plurality of electrodes, drivers, a plurality of discharge cells and a controller which detects the frequency of an input video signal, determines whether the frequency is changed compared to that of a previous input video signal, and determines whether or not applying a control waveform to the plasma display device. | 2008-10-02 |
20080238824 | PLASMA DISPLAY DEVICE AND METHOD FOR DRIVING THE SAME - When a discharge start voltage takes a normal value under the normal temperature, priming discharge starts at a time t | 2008-10-02 |
20080238825 | Plasma Display Device - An electrode drive circuit of a plasma display device includes a scan driver provided with plural drivers having first and second switching elements and first and second diodes, and a positive reset pulse generating circuit by which a first superposed voltage obtained by applying a predetermined first voltage to a low potential side terminal of the second switching element and superposing the first voltage and a voltage between a high potential side terminal of the first switching element and the low potential side terminal of the second switching element is generated to the high potential side terminal of the first switching element. The first superposed voltage is applied to the electrodes via the first switching element. | 2008-10-02 |
20080238826 | PLASMA DISPLAY DEVICE - A plasma display device is provided. The plasma display device includes: a chassis base having a first side and a second side; a plasma display panel on the first side of the chassis base; a first circuit unit on the second side of the chassis base, and the first circuit unit including first electrodes; a second circuit unit electrically connected to electrodes that are drawn out from the plasma display panel, and the second circuit unit including second electrodes; and an anisotropic conductive film interposed between the first and second electrodes for electrically connecting the first electrodes to the second electrodes, wherein the anisotropic conductive film covers the second electrodes and extends to ends of the second electrodes. Accordingly, moisture penetrating into the plasma display device is reduced or prevented to avoid a short circuit and protect various terminals. | 2008-10-02 |
20080238827 | PLASMA DISPLAY PANEL AND METHOD FOR MANUFACTURING THE SAME - A plasma display panel, and a method for manufacturing the same. The plasma display panel includes a first electrode sheet between a first substrate and a second substrate facing the first substrate; and a second electrode sheet between the second substrate and the first electrode sheet. The first electrode sheet includes a plurality of first inner lines, each of the first inner lines including a first discharge electrode and a first dielectric layer enclosing the first discharge electrode and composed of an anodized material of the first discharge electrode, the second electrode sheet includes a plurality of second inner lines, each of the second inner lines including a second discharge electrode and a second dielectric layer enclosing the second discharge electrode and composed of an anodized material of the second discharge electrode. | 2008-10-02 |
20080238828 | Display Apparatus and Driving Method for the Same - A display apparatus comprises a self-emitting first display device ( | 2008-10-02 |
20080238829 | COLOR ELECTRO-LUMINESCENT DISPLAY WITH IMPROVED EFFICIENCY - A full-color electroluminescent display with improved efficiency and increased color gamut that includes substantially complementary yellow and blue light-emitting elements, the chromaticity coordinates of which define the endpoints of a line that intersects a Planckian locus within the interval 0.175<=u′<=0.225 within the Commission Internationale de l'Eclairage (CIE) 1976 u′v′ chromaticity space. Also included in the display is a green light-emitting element of spectrum having a dominant wavelength between 500 nm and 540 nm and a full width, half maximum spectral bandwidth of 50 nm or less; and a red light-emitting element. | 2008-10-02 |
20080238830 | Display device, driving method thereof, and electronic apparatus - A display device includes pixel array unit and a driver unit. A sampling transistor samples a signal potential to hold the signal potential in a holding capacitor. A driver transistor flows a drive current to a light emitting element in accordance with the signal potential held. A main scanner in the driver unit outputs the control signal having a shorter pulse width than the time period to the scan line to make the sampling transistor conductive during a time period while the signal line is at the signal potential, thereby adding the signal potential a correction for a mobility of the driver transistor when the signal potential is held in the holding capacitor. | 2008-10-02 |
20080238831 | Organic electroluminescent display device and method of fabricating the same - An organic electroluminescent display device includes: a substrate; a gate line, a data line an a power line on the substrate, the gate line and the data line crossing each other to define a pixel region, the power line parallel to and spaced apart from the data line; a switching element connected to the gate line and the data line, the switching element including a switching gate electrode, a switching active layer, a switching source electrode and a switching drain electrode; a driving element connected to the switching element, the driving element including a driving gate electrode, a driving active layer, a driving source electrode and a driving drain electrode; a first passivation layer on the switching element and the driving element, the first passivation layer having a first contact hole exposing the driving drain electrode; a first shield pattern under the first contact hole, the first shield pattern including a same material and a same layer as the gate line; a first electrode on the first passivation layer, the first electrode connected to the driving drain electrode through the first contact hole; an organic electroluminescent layer on the first electrode; and a second electrode on the organic electroluminescent layer. | 2008-10-02 |
20080238832 | ORGANIC ELECTROLUMINESCENT DEVICE AND DISPLAY DEVICE - The invention provides an organic electroluminescent device having at least an anode and a cathode forming a pair of electrodes. At least one electrode being transparent or translucent, and a buffer layer and an organic compound layer is disposed between the anode and the cathode. The organic compound layer has one or more layers including at least a light-emitting layer. At least one of the layers of the organic compound layer comprising at least one specific charge-transporting polyether. At least one of the layers having the charge-transporting polyether is provided in contact with the buffer layer. The buffer layer is provided in contact with the anode and has at least one charge injection material selected from the group consisting of an inorganic oxide, an inorganic nitride, and an inorganic oxynitride. The invention further provides a display device using the organic electroluminescent device. | 2008-10-02 |
20080238833 | LIGHT EMITTING DISPLAY DEVICE - An inspection display signal is supplied to a pixel to be inspected so that a light emitting element operates, and a current flowing through the light emitting element is detected. An element current detection signal having a number of bits which is less than a number of bits of a display data signal generated to be supplied to each pixel based on a video signal is stored in a memory according to a characteristic such as a change range and precision of the obtained element current and is used for variation correction. For example, only bit positions in which a value may change are stored in consideration of the change allowance range of the ON-current detection signal, so that a storage capacity to the memory is reduced without affecting correction precision of variation. | 2008-10-02 |
20080238834 | ELECTROLUMINESCENCE DISPLAY APPARATUS - During a blanking period of a video signal, an element driving transistor for controlling a drive current supplied to an EL element is operated in its saturation region to thereby set the EL element to an emission level, and a current flowing through the EL element at that time is detected. Each current detector includes a current detection amplifier and a successive approximation type AD converter, and a DA converter of the successive approximation type AD converter is commonly shared among a plurality of the AD converters. With this arrangement, sufficient AD converting speed can be attained while using a simple structure to execute current detection for correcting display variations. | 2008-10-02 |
20080238835 | Display apparatus and driving method therefor - A display apparatus disclosed herein includes a plurality of pixel circuits, each having a plurality of switches configured to receive a driving signal of a predetermined period and to be controlled for opening and closing operation by the driving signal, a drive circuit configured to control the open/closed state of the switches, being operable to scan the pixel circuits and open and close the switches in periods independent of each other. | 2008-10-02 |
20080238836 | Display apparatus and method for making the same - A pixel has an outer region extending linearly along a boundary with an adjacent pixel and an inner region extending along the inner side of the outer region. Wiring lines are arranged across the outer region and the inner region. An outer uneven zone is formed along the outer region and on a substrate due to level differences resulting from the presence of the wiring lines. Similarly, an inner uneven zone is formed along the inner region and on the substrate due to level differences resulting from the presence of the wiring lines. A pattern of a conductor film of which the wiring lines are made is formed properly such that recessed portions of the outer uneven zone are located directly behind their corresponding raised portions of the inner uneven zone, as viewed from inside the pixel. | 2008-10-02 |
20080238837 | IMAGE DISPLAY APPARATUS AND DRIVING METHOD THEREOF - An image display apparatus includes a display having a plurality of light emitting elements. The image display apparatus also includes a controller configured to control displaying an image on the display, wherein the controller is operable to calculate an amount of light output by the plurality of light emitting elements and adjust a luminance level of the display based on the calculated amount of light output. | 2008-10-02 |
20080238838 | Digital color controller - A digital color controller for illumination of dashboards and instrument panels is provided. In one embodiment, a digital color controller comprises a single control mechanism for varying the color of illumination of RGB LEDs. A microcontroller maps the signal derived from the control mechanism to an array of discrete color values. A selected discrete color value is passed to an LED driver to drive the LEDs to display the selected color. | 2008-10-02 |
20080238839 | BACKLIGHT ASSEMBLY, DISPLAY DEVICE HAVING THE SAME AND METHOD OF DRIVING THE SAME - A backlight assembly includes a plurality of line light source sections and a light source driving section. The line light source sections include a plurality of point light sources disposed along a first direction, and are disposed along a second direction substantially perpendicular to the first direction. The light source driving section controls each of the line light source sections to individually drive the point light sources. The light source driving section controls the line light source sections so that at least one of the line light source sections is sequentially driven along the second direction. Thus, the point light sources are individually activated within a required area, and are sequentially activated by at least every one line along the second direction, so that power consumption for driving the backlight assembly may be decreased. | 2008-10-02 |
20080238840 | Display Device Comprising an Ajustable Light Source - The display device (DD) comprises an adjustable light source (BL), a display panel (DP) with display pixels for modulating light originating from the light source (BL) and processing circuitry (P) coupled to the display panel (DP) and the light source (BL). The processing circuitry (P) has an input for receiving an input signal (V | 2008-10-02 |
20080238841 | System for displaying images - A system for displaying images is disclosed. A display panel having a multi-domain pixel structure comprises a plurality of electrodes that are physically separated form one another, each defining a domain within pixel, and a capacitance element, electrically connecting the electrodes. | 2008-10-02 |
20080238842 | LIQUID CRYSTAL DEVICE, DRIVING CIRCUIT FOR LIQUID CRYSTAL DEVICE, METHOD OF DRIVING LIQUID CRYSTAL DEVICE, AND ELECTRONIC APPARATUS - A liquid crystal device includes a plurality of pixels disposed in the shape of a matrix of n rows×m columns (where n and m are natural numbers equal to or larger than two), n scanning lines, 2m data lines including pairs of a first data line and a second data line for each column of the plurality of pixels, and a data line driving circuit that generates a first gray scale voltage corresponding to higher bits acquired by dividing gray scale data of plural bits into the higher bits and lower bits and generates a second gray scale voltage corresponding to the lower bits. Each one of the plurality of pixels includes a first switching element and a second switching element which are controlled to be turned on or off by the common scanning lines, a first pixel electrode to which the first or second gray scale voltage is supplied from the first data line through the first switching element, and a second pixel | 2008-10-02 |
20080238843 | LIQUID CRYSTAL DEVICE, DRIVING CIRCUIT FOR LIQUID CRYSTAL DEVICE, METHOD OF DRIVING LIQUID CRYSTAL DEVICE, AND ELECTRONIC APPARATUS - A liquid crystal device includes a substrate having pixel electrodes disposed in correspondence with intersections of scanning lines and data lines, a common electrode disposed to face the pixel electrodes, a liquid crystal interposed between the substrate and another substrate, a scanning line driving circuit that sequentially supplies selection voltages for selecting the scanning lines to the scanning lines, a regular voltage source that supplies voltage to the common electrode corresponding to a pixel in a selection period, an auxiliary voltage source that supplies voltage to the common electrode corresponding to a pixel in a non-selection period, a control circuit that selects the voltage and supplies the selected voltage to the common electrode, and a data line driving circuit that alternately supplies a positive-polarity image signal and a negative-polarity image signal to the data lines when the scanning line is selected. | 2008-10-02 |
20080238844 | LIQUID CRYSTAL DRIVER CIRCUIT AND METHOD OF DRIVING LIQUID CRYSTAL DISPLAY DEVICE INCLUDING THE SAME - A liquid crystal driver circuit includes a timing controller emitting at least two control signals therefrom, and at least two gate drivers receiving the control signals from the timing controller. The control signals are controlled such that signal levels thereof are not simultaneously varied. | 2008-10-02 |
20080238845 | Timing controller, liquid crystal display device having the timing controller and method of driving the LCD device - An LCD device includes a display panel having a plurality of pixels on which an image is displayed and a timing controller, which includes a receiver receiving image data in series for displaying the image on the display panel wherein the image data being made up of pixel data of three prime colors that are Red, Green and Blue for each pixel, a serial/parallel converter sorting the image data received at the receiver in the order that the display panel can display the image, a sub-pixel generator generating complementary color image data, which are image data of the complementary color indicating the image indicated by the sorted image data, based on information of the sorted image data, and a transmitter transmitting the sorted image data and the complementary color image data. | 2008-10-02 |
20080238846 | Liquid crystal display and driving method thereof - A liquid crystal display includes a plurality of pixels arranged in a matrix, data lines and gate lines that are connected to the pixels, a signal controller that processes image data from an external device and outputs normal image data and impulsive image data, a gray voltage generator that generates a plurality of gray voltages, and a data driver that selects data voltages and an impulsive voltage corresponding to the normal image data and the impulsive image data among the gray voltages, respectively, and applies them to the data lines. The impulsive voltage is applied by an impulsive voltage application unit having a plurality of pixel rows at one time, one frame has a plurality of impulsive voltage application groups, each to which the impulsive voltage is applied by the impulsive voltage application unit, and positions of first rows of the respective impulsive voltage application groups of two adjacent frames in a unit frame group have a difference of a predetermined number. | 2008-10-02 |