51st week of 2009 patent applcation highlights part 17 |
Patent application number | Title | Published |
20090309419 | Method for Prioritizing Load Consumption Within a Notebook Computer - A function extending apparatus for receiving a portable computer is disclosed. The function extending apparatus includes an AC/DC adapter, a second charging system and a controller. The AC/DC adapter is capable of supplying power to the portable computer equipped with a system load and a first charging system having a first charger and a first battery. The second charging system of the function extending apparatus includes a second charger and a second battery. The controller reduces power consumption of the second charging system when the output power of the AC/DC adapter reaches a first threshold value. The controller reduces power consumption of the first charging system when the output power of the AC/DC adapter reaches a second threshold value, wherein the second threshold value is higher than the first threshold value. | 2009-12-17 |
20090309420 | Power Over Ethernet Combiner - A system includes (a) an access point; (b) a switch providing power for use in the access point; and (c) a combiner disposed between the switch and the access point. The combiner receives at least two power supplies from the switch. The combiner is configured to combine the at least two power supplies to generate a third power supply. The third power supply is transferred to power the access point. | 2009-12-17 |
20090309421 | POWER COMPENSATOR AND METHOD FOR PROVIDING A BLACK START WITH THAT COMPENSATOR - A power compensator for an electric power transmission line. The power compensator includes a voltage source converter, a capacitor and an energy storage device. The energy storage device includes a high voltage battery having a short circuit failure mode, a first main switch and second main switch for disconnecting the battery from the capacitor, and a control unit for operating the first and second switch. | 2009-12-17 |
20090309422 | System and method for managing energy use in an electric vehicle - A method and system for using a secondary energy source with an electric or hybrid vehicle in a way that requires no interaction with the vehicle's on-board communications system or the vehicle's processors. The secondary energy source, which can be a battery pack or any energy storage device, can generally be charged at home or business using the 110 volt line. The energy from the secondary source can be metered into the system in a way that allows the primary battery state-of-charge to fluctuate normally. Most of the electrical energy propelling the vehicle can come from the secondary source. All of the regenerative energy from braking can go into the primary battery. A controller can control a regulator to regulate the amount of current flowing from the secondary source. | 2009-12-17 |
20090309423 | CHARGING CONTROL APPARATUS AND METHOD FOR CONTROLLING THE SAME - A charge control apparatus operable in a first power mode or a second power mode having power consumption less than that of the first power mode, the charge control apparatus includes a main power supply, an auxiliary power supply, a charging unit, a time count unit, and a charge control unit, wherein the charge control unit controls the charging unit to switch from a first charge mode to a second charge mode upon detecting that the charging time counted by the time count unit is or larger than a predetermined time period in the first power mode, and wherein the charge control unit controls the charging unit to operate in the second charge mode when the charge control apparatus operates in the second power mode. | 2009-12-17 |
20090309424 | LOAD DRIVING CIRCUIT AND LOAD DRIVING METHOD - A load driving circuit that generates a desired voltage waveform to drive a load includes a target voltage waveform output section that outputs a target voltage waveform to be applied to the load. Power supply sections generate electrical power with voltage values different from each other. Negative feedback control sections between the power supply sections and the load supply electrical power from the corresponding power supply sections to the load and execute negative feedback control of a value of a voltage applied to the load for matching the voltage value and the target voltage waveform. A power supply connection section selects one of the power supply sections based on the value of the voltage applied to the load or the voltage value of the target voltage waveform and connects the selected power supply section to the load and disconnects the rest of the power supply sections from the load. | 2009-12-17 |
20090309425 | ELECTROMAGNETIC NOISE SUPPRESSION SYSTEM FOR WYE POWER DISTRIBUTION - Three single-phase transformers having primary sides connected in a delta connection and the secondary sides connected in a series-delta connection. Each power line is connected through a fused disconnect to two primary terminals, each primary terminal on a different transformer. A second terminal on the secondary side of the first phase transformer is connected to a first terminal on the secondary side of the third transformer through a non-inductive grid resistor. The second terminal on the secondary side of the third transformer is connected to the first terminal on the secondary side of a second transformer. The second terminal on the secondary side of the second transformer is connected to the first terminal on the secondary side of the first transformer. In this fashion, the secondary sides of each of the single-phase transformers are connected in series through a non-inductive grid resistor. | 2009-12-17 |
20090309426 | POWER MANAGEMENT SYSTEM HAVING CHARGING CONTROL UNIT AND POWER SWITCHING CONTROL UNIT - A power management system is described. The power management system includes an input power selecting unit, a charging control unit and a power switching control unit. The input power selecting unit receives a plurality of input power sources for selecting one of the input power sources to be inputted to the electronic apparatus. The charging control unit includes a charging controller and a battery. The charging controller receives a charge-enabling signal. The battery is charged by a second voltage and selectively supplies a battery power. The power switching control unit outputs a driving voltage to drive the electrical apparatus based on an adaptor-enabling signal and a power-detecting signal when the power switching control unit switches the input power sources and the battery power to select one of the input power sources and the battery power. The power switching control unit actuates the charging control unit by the adaptor-enabling signal and a system-enabling signal for charging the battery by the second voltage generated from one of the input power sources. | 2009-12-17 |
20090309427 | PRIMARY PART FOR A LINEAR ELECTRIC MOTOR - The invention relates to a primary part ( | 2009-12-17 |
20090309428 | APPARATUS AND METHOD FOR PRODUCING MECHANICAL WORK - Improved energy conversion devices comprise a first ferromagnetic element, a second ferromagnetic element oriented such that similar poles of the first ferromagnetic element and the second ferromagnetic element can be positioned proximate each other, and a mechanical element connected to the first ferromagnetic element such that movement of the first ferromagnetic element can actuate the mechanical element to provide mechanical work. In some embodiments, the energy conversion devices can further comprise an externally powered temperature control device to selectively alter the temperature of the ferromagnetic elements to change the Curie temperature of the ferromagnetic elements. The change in temperature of the ferromagnetic elements and the orientation of the first and second ferromagnetic elements allows the repulsive force between the first and second ferromagnetic elements to result in mechanical work. | 2009-12-17 |
20090309429 | STEPPING MOTOR - A stepping motor is disclosed, configured in such a manner that a cover is hitched by a hitching protruder of a housing to allow the cover to be coupled to the housing, or the cover is hitched by a caulking unit of the housing to allow the cover to be coupled to the housing, whereby the problem of parts being damaged by using adhesive can be reduced or eliminated because the adhesive is not used in coupling the cover. In addition, bending of the hitching protruder of the housing or caulking of a surface of the housing allows the cover to be coupled to the housing, whereby assembly time can be shortened to enhance the productivity. | 2009-12-17 |
20090309430 | AFPM CORELESS MULTI-GENERATOR AND MOTOR - The present invention relates to an AFPM coreless multi-generator and motor. The present invention is characterized in that the stator includes coils arranged between upper and lower jig plates made of a non-magnetic material, cooling insulating oil is filled in a space where the coils are mounted between the upper and lower jig plates and is sealed by both lateral plates, and one of the both lateral plates is fixedly coupled to the housing of the generator so as to allow the housing to perform thermal conduction. Also, the rotor includes magnets arranged on a rotor disc in a circular arc shape and a yoke element formed integrally with the rotor disc near a central portion thereof in such a fashion as to vertically protrude by a predetermined height. The rotor disc is fixedly mounted to the rotary shaft, and the yoke element is engaged with a yoke element of another rotor correspondingly adjacent to the rotor so as to allow the engaged yoke elements to serve as a passageway of a magnetic field. The rotor and stator are configured in a multi-structure. The present invention can be applied to a motor having the same structure as that of the generator. | 2009-12-17 |
20090309431 | APPARATUS FOR USING AN ELECTRICAL MACHINE TO TRANSPORT FLUIDS THROUGH A PIPELINE - A stator for an electrical machine includes teeth assembled from a plurality of stacked laminations mounted on a cylindrical protective surface thereby forming a plurality of slots. The stator also includes an armature winding assembled within the teeth by inserting components of the armature winding into the plurality of stator slots from positions external to the teeth in a manner that facilitates mitigating potential for coil distortion. The armature winding includes a plurality of coils that each include an end winding. The stator further includes a segmented yoke inserted around the armature winding in a manner that facilitates mitigating a potential for disturbing the end winding of the coils. Independently assembling the stator components in this manner facilitates varying a thickness and/or the number of heat conducting laminations between the yoke and teeth that subsequently facilitates heat transfer from the armature winding to an outer pressure casing of the machine. | 2009-12-17 |
20090309432 | TURBOMACHINE WITH INTEGRAL GENERATOR/STARTER - A turbomachine such as an aircraft turbojet including an electrical generator/starter that can be mounted and dismounted by axial translation in an upstream enclosure of the turbomachine between the low-pressure compressor and the high-pressure compressor, and couple to electrical cables which extend inside the structural arms of the intermediate casing of the turbomachine. | 2009-12-17 |
20090309433 | MULTI PHASE GENERATOR WITH FREQUENCY ADAPTATION UNIT - A hydrogen cooled generator having an axis and a plurality of phases comprises a main casing section enclosing a stator with windings; a casing end section; at least one end winding disposed in the casing end section; a toroidal duct formed on at least one of the casing end section and the main casing section having a bottom wall and two side walls, wherein at least one of the bottom wall and the two side walls shares a wall of the casing end section so as to form a common wall; and at least one bushing penetrating the common wall and inclined towards the axis of the generator, the at least one bushing having a first end connected to the at least one end winding and a second end terminating in the toroidal duct. | 2009-12-17 |
20090309434 | MULTI PHASE GENERATOR ARRANGEMENT - A hydrogen cooled generator having an axis and more than three phases, the generator comprises a main casing section enclosing a stator with windings; a casing end section; at least one end winding disposed in the casing end section; a toroidal duct formed on at least one of the casing end section and the main casing section having a bottom wall and two side walls, wherein at least one of the bottom wall and the two side walls shares a wall of the casing end section so as to form a common wall; at least one bushing penetrating the common wall and inclined towards the axis of the generator so as to form an inclination, the at least one bushing having a first end connected to the at least one winding and a second end terminating in the toroidal duct. | 2009-12-17 |
20090309435 | Integrated Air Mover and Angular Position Sensor on Electric Motor - Embodiments of the present invention provide an integrated air-mover and position sensor for an electric motor. One or more fins may be attached to a position sensor and adapted to generate a movement of air when the position sensor rotates with a rotor shaft. Such an arrangement not only allows the position sensor to sense positions of the electric motor, but also provides air-cooling functions for cooling the motor driver efficiently, thus improving product reliability. The position sensor may be an optical encoder or a capacitive sensor. Alternatively, one or more fins may be disposed within the electric motor and attached directly onto a rotor shaft of the electric motor to create a movement of air for cooling the motor driver directly and efficiently. | 2009-12-17 |
20090309436 | FLAT VIBRATION MOTOR - A flat vibration motor including a stator having a spindle for mounting a flexible substrate, and a rotor having an eccentric weight and rotatably supported by the spindle, the flexible substrate having a lower surface substrate overlapped on the lower surface of the stator and centered around the spindle, an upper surface substrate overlapped on the upper surface of the stator plate, and a narrow-width connecting part for connecting the lower surface substrate and the upper surface substrate by bending the lower surface substrate and the upper surface substrate in an integrated fashion at a notch in the circumference of the stator plate, and the upper surface substrate having a through hole for fastening and connecting an upper surface wiring pattern with the stator plate by filing solder bump, whereby reflow soldering in automatic mounting of a printed circuit of instrument side can be performed. | 2009-12-17 |
20090309437 | Motor - A motor includes a housing, a rotor and a stator. The housing includes a shaft tube receiving a bearing. The rotor includes a shaft rotatably extending through the bearing and having an annular groove in a neck shape formed on an outer periphery thereof. The stator includes an assembling hole receiving the outer periphery of the shaft tube, with the stator including an upper bobbin, a lower bobbin, a plurality of silicon steel plates sandwiched between the upper and lower bobbins, and a winding wound around the plurality of silicon steel plates. The upper bobbin includes an abutting member formed on an inner periphery thereof. The abutting member abuts against the bearing and extends into the annular groove of the shaft to avoid the bearing and the rotor disengaging from the shaft tube. Consequently, assembling convenience and rotating stability of the motor are enhanced. | 2009-12-17 |
20090309438 | Motor Structure - A motor structure includes a housing having a shaft tube receiving a bearing. The shaft tube includes a positioning section on an outer periphery thereof. A rotor includes a shaft rotatably extending through the bearing. A stator is mounted around the shaft tube and includes an upper bobbin having an abutting portion and a lower bobbin having an engaging portion. The positioning section of the shaft tube provides the engaging portion of the lower bobbin with an axial supporting force along a longitudinal axis of the shaft tube to position the stator in a fixed axial position relative to the bearing along a longitudinal axis of the shaft tube. Also, the abutting portion of the upper bobbin abuts the bearing to prevent the bearing from disengaging from the shaft tube. | 2009-12-17 |
20090309439 | HYDRODYNAMIC BEARING DEVICE - A hydrodynamic bearing device includes a rotary part including a shaft and a rotor hub; a stationary part including a bearing member, which has an inner peripheral surface radially confronting with an outer peripheral surface of the shaft, a bearing bore, and an upper surface axially confronting with a bottom surface of the rotor hub; a radial bearing portion formed between the outer peripheral surface of the shaft and the inner peripheral surface of the bearing member; a thrust bearing portion formed between the bottom surface of the rotor hub and the upper surface of the bearing member; and a communication hole having a first end opened radially outwardly at the thrust bearing portion and a second end opened toward a closed side of the first gap, the communication hole being formed at the bearing member. | 2009-12-17 |
20090309440 | System and Method For Device Suspension and Wireless Power Transmission - A system and method for device suspension and wireless power transmission are disclosed. According to one embodiment, an apparatus, comprises a suspended object having a wireless receiving circuit. A wireless transmission circuit is configured to transmit power to the wireless receiving circuit housed in the suspended object. A magnetic stabilization mechanism is beneath and not in contact with suspended object. A circuit is configured to magnetically control a position of the suspended object. | 2009-12-17 |
20090309441 | SENSOR FASTENING METHOD AND SENSOR FASTENING FRAME FOR USE THEREWITH - A sensor fastening method and a sensor fastening frame for use therewith are provided. The sensor fastening frame is coupled to a motor stator of a brushless motor having distributed coils and extends over the distributed coils to allow the sensor fastening frame to rotate about the axle of a motor rotor, without interference with the distributed coils. At least a sensor is fastened in position to the sensor fastening frame proximate to one end of the axle of the motor stator for positioning the sensor to detect magnetic field variations of the motor rotor. | 2009-12-17 |
20090309442 | HIGH TORQUE DENSITY ELECTRICAL MACHINE - An electrical machine is provided. The electrical machine includes a rotor comprising an inner rotor having a plurality of inner rotor poles and an outer rotor having a plurality of outer rotor poles. The electrical machine further comprises a stator configured to modulate a magnetic flux and to transmit torque to inner rotor and the outer rotor, the stator comprising a stator core interposed concentrically between the inner rotor and the outer rotor; a multiple of stator windings disposed in a plurality of stator slots, the stator windings configured to form a multiple of stator poles. The stator further comprises a plurality of stator teeth interposed between the plurality of stator slots, wherein an arithmetic sum or difference of twice number of stator teeth and a number of the stator poles equals a number of rotor poles. | 2009-12-17 |
20090309443 | SYNCHRONOUS PERMANENT MAGNET MACHINE - A synchronous permanent magnet machine for at least two rotation speeds has a single stator and at least two rotors. For each rotation speed there is provided a separate rotor with a different numbers of poles. The armature windings on the stator extend across all of the rotors and the windings are subjected to a rotating field with the same frequency. | 2009-12-17 |
20090309444 | Rotor for magnetic motor - Rotor formed by groups of materials ( | 2009-12-17 |
20090309445 | Low Torque Rotary Electric Generator - A low torque rotary electric generator includes a rotor, a stator and a housing. The rotor includes a shaft, an inductor retainer, a first set of inductors and a second set of inductors. The first and second set of inductors are retained on each end of the inductor retainer. The shaft is retained in the inductor retainer. The stator preferably includes a first permanent ring magnet, a second permanent ring magnet and a plurality of generator coils. The permanent ring magnets and the plurality of generator coils are retained on an inside perimeter of the housing. The permanent ring magnets are retained adjacent each end of the rotor. Each permanent ring magnet may be replaced with a plurality of individual permanent magnets. Each generator coil is disposed between the first and second inductors. The housing preferably includes a tubular member, a first end cover and a second end cover. | 2009-12-17 |
20090309446 | ELECTRIC ARC WELDING SYSTEM POWERED BY PERMANENT MAGNET ELECTRIC GENERATOR - An electric arc welding system is powered by a power generator with a rotor assembly circumferentially surrounding a stator assembly. The arc welding system generates a three phase AC current, which is converted into a DC current by a converter. An electrode coupled to the converter receives the DC current, wherein a welding arc is created between the electrode and a workpiece. A controller is coupled to the converter. The controller is operable to apply a control signal to the converter to cause the converter to vary the magnitude of the DC current. | 2009-12-17 |
20090309447 | POLYPHASE MACHINE COMPRISING A BELL-SHAPED ROTOR - The invention relates to an electrical polyphase machine comprising an inner stator ( | 2009-12-17 |
20090309448 | END COVER AND MOTOR ROTOR HAVING THE END COVER - An end cover adapted to engage with an end surface of a spindle of a motor rotor is proposed for securely coupling to the spindle with a plurality of permanent magnets disposed around the peripheral wall of the spindle. The end cover has a first surface facing an end surface of the spindle and an second surface opposing to the first surface, which is formed with a plurality of inserting slots indentedly disposed around the rim thereof and corresponding to the permanent magnets for coupling the ends of the permanent magnets, thereby securely fastening each of the permanent magnets to the spindle of the motor rotor. Further, the present invention further provides a motor rotor having the end covers described above. | 2009-12-17 |
20090309449 | Driving Apparatus - A rotating electric machine comprises a stator having stator salient poles, three-phases windings would around said stator salient poles, a rotor rotatable held inside the said stator, and permanent magnets inserted into said rotor and positioned opposite to said stator salient poles. The three-phase windings are concentratively wound around each of the stator salient poles, with windings of each phase wound around at more than one stator salient pole. The windings of each phase have a phase difference of voltage between at least one of the windings and the other. | 2009-12-17 |
20090309450 | MP-D MACHINES - MP-D Machines are direct current machines of the multipolar type, i.e. machines whose torque is produced in a cylindrical current tube through axially oriented current flow in a plurality of turns between pairs of parallel permanent magnet poles attached to cylindrical concentric magnet tubes. Unlike other multipolar type machines, MP-D machines' magnet tubes comprise a plurality of permanent magnets in the form of continuous circumferential sleeves. The current tube in MP-D machines remains stationary while at least one of the two magnet tubes rotates. MP-D machines may be powered or may generate direct current. | 2009-12-17 |
20090309451 | ELECTRICAL MACHINE WITH SINGLE-TOOTH ROTOR WINDING - The invention relates to an electrical machine with at least eight exciter poles in the stator and with a commutator rotor, comprising numerous pole teeth, differing from the number of exciter poles and the pole teeth thereof carrying at least one coil each and being connected with commutator laminates being in contact with each other in pairs vie contact bridges, wherein the number of laminates is a plurality of the pole teeth. To reduce the magnetic and electric ripple of the machine the number of the commutator laminates are a plurality of half of the pole pair number of the exciter poles, but not a plurality of the whole pole pair number, wherein the pole pair number has to be an even number. | 2009-12-17 |
20090309452 | MOTOR, STATOR, AND METHOD FOR MANUFACTURING STATOR - A stator having a stator core and coils is disclosed. The stator core includes split core pieces each having a tooth portion. The split core pieces are arranged annularly such that the distal ends of the tooth portions face radially inward. A lead wire is continuously wound about an adjacent pair of the tooth portions such that coils of different phases are formed in the circumferentially adjacent tooth portions, so that a plurality of connecting wires are provided, each connecting wire connecting coils of different phases. The connecting wires are connected to one another while being connected to one another, such that a neutral point is created. | 2009-12-17 |
20090309453 | ELECTRO ACOUSTIC SENSOR FOR HIGH PRESSURE ENVIRONMENTS - A composite acoustic wave device (AWD) which is adapted for operation at high ambient pressures is provided. The AWD comprises two piezoelectric plates in back to back relationship, with electrodes disposed between the plates. The plates are bonded so as to neutralize the effects of external pressure. Further disclosed is a sensor utilizing the AWD and methods for utilizing such AWD for physical measurements in high pressure environments. An optional cavity formed between the piezoelectric plates offers the capability to measure the pressure and to further neutralize the residual effects of the pressure on measurement accuracy. | 2009-12-17 |
20090309454 | PIEZOELECTRIC ACTUATOR - A piezo actuator includes an adaptation element, which is configured to adapt the piezo actuator to a controller for inductive loads, particularly to a converter for actuating inductive loads. The adaptation element allows use of controllers or converters of numerical control systems, which normally are used for actuating servo motors. Therefore it is no longer necessary to provide specially designed hardware for the actuation of piezo actuators, but instead the above-mentioned controllers can be used. Furthermore, as a result of the adaptation element, the piezo actuators can be integrated in the bus of the numerical control system. This allows communication in real time via the NC bus. | 2009-12-17 |
20090309455 | METHOD FOR DETERMINING A FUNCTIONAL STATE OF A PIEZOELECTRIC INJECTOR OF AN INTERNAL COMBUSTION ENGINE - A check is made to determine whether the capacitance value measured at a specific point in time corresponds to a capacitance value of a calculated further capacitance profile or the measured capacitance value is within two tolerance ranges. | 2009-12-17 |
20090309456 | Piezoelectric-Coated Carbon Nanotube Generators - A generator includes a first conductive layer, a plurality of elongated piezoelectric nanostructures and a conductive electrode. The piezoelectric nanostructures extend upwardly from the first conductive layer and include a carbon nanotube core and a piezoelectric sheath enveloping at least a portion of the carbon nanotube core. Each piezoelectric nanostructure includes a first end disposed adjacent to the first conductive layer and an opposite second end. The conductive electrode is disposed adjacent to the second end of each of the piezoelectric nanostructures. The conductive electrode is configured so that a Schottky barrier is formed between the second end of at least one of the piezoelectric nanostructures and the conductive electrode when a force is applied to the generator that causes the conductive electrode to touch the piezoelectric nanostructures and to induce stress in the piezoelectric nanostructures. | 2009-12-17 |
20090309457 | PIEZO DRIVE SYSTEM - A piezo drive system includes an elastic fixing frame, a drive element, a rod, and a rotor. A vamplate portion is formed on the outer surface of the rod. One end of the rod is secured to around the center of a face of the drive element. The rotor consists of a cylindrical portion and a disk portion, and can rotate relative to the rod. Protrusions are formed on the inside of a top surface portion of the fixing frame to push against the disk portion. Using the drive element, the rod rotates while tilting and makes a surface contact with the vamplate portion, producing friction. Consequently, the rotor is rotated. | 2009-12-17 |
20090309458 | NANOGENERATOR - A nanogenerator includes a first frame, a second frame, a first conductor, a second conductor, an array of nano-rods, and an array of electrodes. The second frame engages the first frame. The first conductor is fixed to a first inner surface of the first frame facing the second frame. The second conductor is fixed to a second inner surface of the second frame facing the first frame. The array of nano-rods extends from a first surface of the first conductor toward the second frame. The array of electrodes extends from a second surface of the second conductor toward the first frame. The array of electrodes corresponds to the array of nano-rods. The hardness of the array of electrodes is being greater than that of the array of nano-rods. | 2009-12-17 |
20090309459 | METAL PASTE FOR SEALING, HERMETIC SEALING METHOD FOR PIEZOELECTRIC ELEMENT, AND PIEZOELECTRIC DEVICE - The present invention is a metal paste for sealing comprising a metal powder and an organic solvent characterized in that the metal powder is one or more kinds of metal powders selected from a gold powder, a silver powder, a platinum powder and a palladium powder which has a purity of 99.9% by weight or more and an average particle size of 0.1 μm to 1.0 μm and that the metal powder is contained in a ratio of 85 to 93% by weight and the organic solvent is contained in a ratio of 5 to 15% by weight. This metal paste preferably contains an additive such as a surfactant in accordance with the application method. As a sealing method using this metal paste, there is a method of applying and drying a metal paste, sintering it at 80 to 300° C. to form a metal powder sintered body and after that pressurizing the base member and the cap member while heating the metal powder sintered body. | 2009-12-17 |
20090309460 | INSULATION PIEZOELECTRIC TRANSFORMER - The present invention discloses an insulation piezoelectric transformer, wherein upper electrodes and corresponding lower electrodes are respectively formed on the upper surface and lower surface of a ceramic substrate to form the primary side and the secondary side. A high DC voltage is applied to the primary side and the secondary side to polarize the ceramic material in between the upper and lower electrodes. The unpolarized portion of substrate still keeps the properties of a ceramic material and functions as an insulator of the primary and secondary sides. Therefore, the present invention functions as an insulation piezoelectric transformer. | 2009-12-17 |
20090309461 | INTEGRATION OF A STARTER/GENERATOR MODULE IN A GAS TURBINE TRANSMISSION HOUSING - A starter/generator mechanically coupled to a gas turbine transmission housing comprises a generator ( | 2009-12-17 |
20090309462 | MAGNETIC GENERATOR - A magnetic generator, or a so-called inner-rotor generator, provided with a rotor on the inside of a stator. The rotor has a ring-shaped yoke and a magnet integrally mounted in advance to the outer circumferential surface of the yoke. The rotor is mounted to a hub spindle of a rotating body. | 2009-12-17 |
20090309463 | BRUSHLESS ELECTROMECHANICAL MACHINE - An electromechanical machine having a stator and a rotor, the stator including at least one stator module of N toroid shaped electromagnets, the electromagnets arranged along an arc a predetermined distance apart defining a stator arc length. Each of the electromagnets has at least one gap. The rotor includes a disc adapted to pass through the at least one gap. The disc includes a plurality of permanent magnets spaced side by side about a periphery thereof and arranged so as to have alternating north-south polarities. The permanent magnets are sized and spaced such that within the stator arc length the ratio of permanent magnets to electromagnets is N+1 to N, where N is the number of electrical excitation phases applied to the electromagnets. | 2009-12-17 |
20090309464 | FURNITURE ASSEMBLY SYSTEM AND FURNITURE INCORPORATING SUCH SYSTEM - Ready-to-assemble furniture requiring no tools for assembly includes horizontal and vertical members arranged in an interlocking configuration and a back member fastened to the horizontal and vertical members. The furniture assembly system may be configured with one or more cubes and may be free-standing or hung on a wall. Containers may be provided sized to fit with the cubes and one or more furniture assembly systems may be attached together. | 2009-12-17 |
20090309465 | INFUSION SYSTEM CONFIGURATIONS - Infusion system configurations and assemblies facilitate routing of infusion circuit tubing lines. Tubing lines are routed into and out from compartments of a shielding assembly for the infusion system, at locations which prevent kinking and/or crushing of the lines, and/or provide for ease in assembling the circuit. A plurality of the lines may be held together by a support frame to form a disposable infusion circuit subassembly, that can further facilitate routing of the lines. | 2009-12-17 |
20090309466 | CABINET STRUCTURE CONFIGURATIONS FOR INFUSION SYSTEMS - A cabinet structure for an infusion system includes a platform, on which the system is mounted, and a shell surrounding an interior space, which contains at least a portion of the system. The shell preferably includes an opening that is sized and oriented to allow a lowering of a radioisotope generator, for the system, into the interior space, and a lifting of the generator out from the interior space. The shell may further include another opening, located at a higher elevation than the aforementioned opening, in order to provide access to a waste bottle of the infusion system. | 2009-12-17 |
20090309467 | ANGLED DOORS WITH CONTINUOUS SEAL - In one embodiment, an electronics enclosure is provided. The electronics enclosure comprises a base operable to secure one or more electronic components in place. The base comprises a back wall to which the electronic components are secured; a first end plate extending from a first end of the back wall; and a second end plate extending from a second end of the back wall. The electronics enclosure further comprises a first side wall coupled to a first side of the base and operable to rotate between an open position and a closed position; a second side wall coupled to a second side of the base and operable to rotate between an open position and a closed position; and wherein each of the first and second side walls comprise a first section and a second section which form an angle such that, when in the closed position, the first and second side walls interconnect with each other and together abut the exposed perimeter of the first end plate, the second end plate and the back wall to enclose the one or more electronic components. | 2009-12-17 |
20090309468 | INTEGRATED MOUNTING POLE SYSTEM FOR COMMUNICATION AND SURVEILLANCE INFRASTRUCTURES - An integrated mounting pole system for communication and surveillance infrastructures includes a plurality of stackable sections, which are rotationally attached to a system cabinet of the system and one another. The sections include arms supporting antennas, video cameras, and other functional devices. A conduit and/or wiring raceway thereof coupling electronic equipment disposed in the system cabinet and the functional devices propagates through interior of the sections and the arms. The system may be disposed on a trailer and may include an autonomous source of electric power. | 2009-12-17 |
20090309469 | PULL-OUT SHELF FOR USE IN A CONFINED SPACE FORMED IN A STRUCTURE - A shelf assembly for a confined space formed within a structure is provided. The shelf assembly includes a fixed portion having a structure attachment interface to fixedly attach the shelf assembly to the structure and a slideable portion that is operable to slide out and extend from the fixed portion of the shelf assembly. The slideable portion has an enclosure attachment interface to attach an electronics enclosure to the slideable portion of the shelf assembly. The slideable portion has a first state and a second state in which the slideable portion is held in a first position or second position, respectively. In the first state, the entire slideable portion of the shelf assembly is positioned within the structure. In the second state, at least the enclosure attachment interface is positioned outside of the structure. | 2009-12-17 |
20090309470 | CLOSING AND RETAINING DEVICE FOR AN EXTENSION GUIDE - A closing and retaining device for an extension guide includes a rail of an extension guide, a housing slidably disposed on the rail, and a driver disposed on the housing. The closing and retaining device also includes a damper housing retained in the housing, a displaceable piston coupled between the damper housing and the driver, wherein the damper housing is displaceable in a direction of movement of the piston, and a latch disposed on the driver to connect the piston to the driver. After the piston is connected to the driver, the damper housing is pushed into position by the driver. | 2009-12-17 |
20090309471 | MOUNTING APPARATUS FOR SLIDE RAIL - A mounting apparatus is provided for mounting a slide rail to a fixed structure includes a mounting bracket fixed to the slide rail, an actuating member slidably attached to the mounting bracket, at least one blocking member extending from the actuating member, a locking member deformably attached to the mounting bracket, and a resilient member connecting between the mounting bracket and the actuating member. The actuating member is slidable between a first position to maintain securing of the mounting bracket to the support, and a second position to allow release the mounting bracket from the support. The locking member comprises at least one first abutting end releasably abutting the blocking member to maintain the actuating member in the first position, and at least one second abutting end releasably abutting the blocking member to maintain the actuating member in the second position. The resilient member biases the actuating member to the first portion. | 2009-12-17 |
20090309472 | REFRIGERATOR - Disclosed related to a refrigerator according to the present invention capable of preventing the drooping of bin when the bin is pulled out of the storage space. Further, the refrigerator does not need to fit guide device when users push the bin into the storage space, since the bin is completely separated from the guide device. | 2009-12-17 |
20090309473 | HEAT REMOVAL DESIGN FOR LED BULBS - An LED bulb having bulb-shaped shell and thermally conductive fluid or gel within the shell. The bulb includes at least one LED within the shell. The bulb includes at least one LED within the shell and a base. The base can be configured to fit within an electrical socket and can include a series of screw threads and a base pin, wherein the screw threads and base pin are dimensioned to be received within a standard electrical socket. Alternatively, the base can be configured to fit within a suitable electric socket. | 2009-12-17 |
20090309474 | SPARK PLUG - A spark plug has a center electrode, a ceramic insulator having an axial hole to support the center electrode therein, a metal shell holding the ceramic insulator, and a ground electrode, one end portion of which is fixedly connected with the metal shell, the other end portion of which is located apart from an outer circumferential surface of a top end portion of the center electrode for defining a spark discharge gap therebetween. The ceramic insulator is provided with recesses at an edge portion between a top end surface of the ceramic insulator and an inner circumferential surface of the axial hole. When defining first and second imaginary circles with the axis being their respective centers as circles passing through portions of the recesses whose radial distances from the axis are a maximum and a minimum respectively, a difference of diameters of the first and second imaginary circles is 0.08 mm or less. | 2009-12-17 |
20090309475 | Pre-Chamber Spark Plug - A method and apparatus to maximize spark plug life in pre-chamber spark plugs operating with ultra-lean mixtures and/or elevated engine BMEP is presented. Electrode erosion is reduced by spreading discharge energy over a wider surface area, maintaining fuel concentration in the spark gap, controlling gas static pressure during discharge, and maintaining safe electrode temperature. Energy is spread via a swirling effect created by periphery holes in an end cap, resulting in a lower specific energy discharge at the electrodes. Divergently configured electrodes reduce the spark voltage at high operating pressures and the energy required for ignition. The flow field generated at the electrodes prevents electrical shorts due to water condensation and avoids misfire. The center electrode insulation provides an effective heat transfer path to prevent electrode overheating and pre-ignition. The volume behind the electrodes provides a volume for burnt products from previous combustion cycles and leads to more reliable ignition. | 2009-12-17 |
20090309476 | Method for Applying a Pin on an Elecrode Base Body - A method is described for applying a pin made of a spark-erosion-resistant material, in particular of noble metal, onto a electrode base element. In order to achieve a large pin surface exposed to spark erosion, without increased material outlay for the pin, the pin is placed with one end surface onto the electrode base element and welded to it. The welded-on pin is then, by application of a compressive force engaging at the exposed end surface of the pin and directed toward the electrode base element, upset to a larger diameter. | 2009-12-17 |
20090309477 | FLAT PANEL DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME - A flat panel display apparatus and a method of manufacturing the same are disclosed. In one embodiment, the flat panel display apparatus includes i) a flat panel having four peripheral sides and including a plurality of display elements, ii) a first plurality of pad electrodes formed at one or more of the four sides of the flat panel, wherein the first plurality of pad electrodes are electrically connected to at least one of the plurality of display elements, iii) a first plurality of conductive lines extending from the first plurality of pad electrodes, respectively, wherein the first plurality of conductive lines are electrically insulated from each other and iv) at least one intermediate electrode formed between two adjacent ones of the first plurality of conductive lines, wherein the at least one intermediate electrode is electrically insulated from the two adjacent conductive lines. | 2009-12-17 |
20090309478 | Emitter and method for manufacturing same - An emitter includes an electrode, and a number of carbon nanotubes fixed on the electrode. The carbon nanotubes each have a first end and a second end. The first end is electrically connected to the substrate and the second end has a needle-shaped tip. Two second ends of carbon nanotubes have a larger distance therebetween than that of the first ends thereof, which is advantageous for a better screening affection. Moreover, the needle-shaped tip of the second ends of the carbon nanotube has a lower size and higher aspect ratio than the conventional carbon nanotube, which, therefore, is attributed to bear a larger emission current. | 2009-12-17 |
20090309479 | ELECTRON EMITTING-DEVICE AND IMAGE DISPLAY APPARATUS - An electron emitting-device is provided that comprises a plurality of electron emission portions; and a plurality of deflection electrodes for deflecting electrons emitted from the plurality of electron emission portions, wherein each of the plurality of deflection electrodes deflect the emitted electrons toward the same deflection direction. One of the plurality of deflection electrode, which is positioned at an end of the deflection direction, less deflect the emitted electrons than other one of the plurality of deflection electrode, which is positioned at an opposite end of the deflection direction. | 2009-12-17 |
20090309480 | LIGHT EMITTER SUBSTRATE AND IMAGE DISPLAYING APPARAUTS USING THE SAME - In a light emitter substrate which has a resistor for connecting electrodes adjacent in a row direction, it aims to improve withstand discharge performance of the resistor. In the substrate comprising a substrate, plural light emitting members which are positioned in matrix on the substrate, plural electrodes each of which covers at least one of the light emitting members and which are positioned in matrix, and a row-direction striped resistor which is positioned between the electrodes adjacent in a column direction and connects the electrodes adjacent in a row direction and the column direction, a row-direction separated distance Gx′ between the electrodes adjacent in the row direction at a connecting portion between the electrodes and the resistor is made larger than a row-direction separated distance Gx between the electrodes adjacent in the row direction at a portion covering the light emitting members (Gx′>Gx). | 2009-12-17 |
20090309481 | Field emission device and method for fabricating cathode emitter and zinc oxide anode - The present invention relates to methods for fabricating a cathode emitter and a zinc oxide anode for a field emission device to improve the adhesion between emitters and a substrate and enhance the luminous efficiency of a zinc oxide thin film so that the disclosed methods can be applied in displays and lamps. In comparison to a conventional method for fabricating a field emission device, the method according to the present invention can reduce the cost and time for manufacture and is suitable for fabricating big-sized products. In addition, the present invention further discloses a field emission device comprising a zinc oxide/nano carbon material cathode, a zinc oxide anode and a spacer. | 2009-12-17 |
20090309482 | PHOSPHOR FOR HIGH CRI LAMPS - A fluorescent lamp including a phosphor layer including (Y | 2009-12-17 |
20090309483 | PHOTOCATHODE LIGHTING DEVICE, METHOD FOR MANUFACTURING THE SAME AND EXPOSURE APPARATUS USING PHOTOCATHODE LIGHTING DEVICE - The photocathode lighting device of planar light emission including: a light source unit emitting a first light; a cathode plate contacted face-to-face with the light source unit; a metal mask layer adhered to the cathode plate and including a repetitive plurality of apertures; a photocathode formed on a surface of the metal mask layer, receiving the first light, and emitting an electron; an anode plate facing the cathode plate and spaced apart from the cathode plate; and a phosphor formed in a lower part of the anode plate and emitting a second light when the emitted electron collides with the phosphor. | 2009-12-17 |
20090309484 | DIRECT BAND-GAP NANODIAMOND CRYSTALS AND ULTRAVIOLET OPTICAL DEVICES USING THE SAME - Novel direct band gap crystalline nanodiamonds and light emitting devices utilizing the direct band gap crystalline nanodiamonds are disclosed. With providing the detailed information on the electronic states and the electron band structure of several crystalline nanodiamonds, preferred device structures including an electroluminescence-based solid-state light source and a cathode-luminescence-based micro light source are shown. These devices emit light in the region of ultraviolet wavelength, which can be designed from 180 nm to 230 nm by a choice of nanodiamonds, with referring to the information provided in the present invention. The related applications of these UV light emitting devices include a light source for sterilization, a light source for decomposing harmful substances, a light source for spectroscopy, a light source for exciting a phosphor to emit a white light, a micro light source for micro optoelectronic devices, and a light source for writing a super high density recording media. | 2009-12-17 |
20090309485 | Nitride phosphor and production process thereof, and light emitting device - To provide a phosphor containing a comparatively much red component and having high light emitting efficiency, high brightness and further high durability, the nitride phosphor is represented by the general formula L | 2009-12-17 |
20090309486 | DISPLAY - There is provided a display capable of protecting a light-emitting device by a protective film having good sealing characteristics and sidewall step coverage and preventing deterioration of the light-emitting device, thereby maintaining good display characteristics. A display device | 2009-12-17 |
20090309487 | PHOSPHORESCENT OLED DEVICE WITH MIXED HOSTS - An OLED device comprises a cathode, an anode, and has therebetween a light-emitting layer containing a phosphorescent emitter that emits yellow, orange or red light; a tertiary arylamine compound as a first host material, and a gallium complex with only nitrogen bidentate ligands as a second host material. Desirably, the phosphorescent emitter is an iridium complex. | 2009-12-17 |
20090309488 | MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE AND ORGANIC ELECTROLUMINESCENCE DEVICE USING THE SAME - Provided are an organic electroluminescence device, which shows high luminous efficiency, is free of any pixel defect, and has a long lifetime, and a material for an organic electroluminescence device for realizing the device. The material for an organic electroluminescence device is a compound having a n-conjugated heteroacene skeleton crosslinked with a carbon atom, nitrogen atom, oxygen atom, or sulfur atom. The organic electroluminescence device has one or more organic thin film layers including a light emitting layer between a cathode and an anode, and at least one layer of the organic thin film layers contains the material for an organic electroluminescence device. | 2009-12-17 |
20090309489 | DISPLAY APPARATUS - Provided is a display apparatus including: a substrate; plural thin film transistors formed on the substrate; a planarizing layer covering the plural thin film transistors; plural organic light emitting devices formed on the planarizing layer to form a display area; and plural nondisplay devices formed on the planarizing layer outside the display area. The organic light emitting devices each have a first electrode, an organic compound layer, and a second electrode on the substrate in the stated order. In the display apparatus, in each of the plural nondisplay devices, the discontinuous part of the planarizing layer is formed. | 2009-12-17 |
20090309490 | LIGHT-EMITTING DEVICE - An organic electroluminescent device having a pair of electrodes and at least one organic layer including a light-emitting layer interposed between the pair of electrodes, in which the organic layer contains at least one platinum complex compound having a quadridentate ligand containing a partial structure represented by formula (I): | 2009-12-17 |
20090309491 | ORGANIC LIGHT EMITTING DEVICE COMPRISING LAYER COMPRISING ORGANIC-METAL COMPLEX AND METHOD OF PREPARING THE SAME - Provided are an organic light emitting device including a substrate; a first electrode; a second electrode; and an organic layer interposed between the first electrode and the second electrode, wherein the organic layer includes a first layer including an organic-metal complex represented by Formula 1 below, and a method of preparing the same: | 2009-12-17 |
20090309492 | Organic Light Emitting Component, and Production Method - The invention relates to an organic light emitting component, particularly an organic light emitting diode, in which an arrangement is formed that comprises a bottom electrode, a top electrode, and an organic layer region which is located between and is in electrical contact with the bottom electrode and the top electrode and contains at least one hole transport layer, at least one electron transport layer, and a light-emitting area. The bottom electrode is formed from a dispersion as a structured, binder-free, and optically transparent bottom electrode layer made of a bottom electrode material by means of a wet chemical application process, said bottom electrode material being an optically transparent, electrically conductive oxide. The bottom electrode layer has a sheet resistance of less than about 500 Ω/square and an optical refractive index of less than 1.8. | 2009-12-17 |
20090309493 | Organic light emitting display and its method of fabrication - An organic light emitting display is divided into a light emitting region and a non-light emitting region, the non-light emitting region of the organic light emitting display including: a first substrate; a first passivation layer and a second passivation layer sequentially arranged on the first substrate and having a step in an undercut shape; and an auxiliary electrode layer, an El common layer, and a second layer sequentially arranged throughout the non-light emitting region including the first and second passivation layers, the auxiliary electrode layer being shorted to the second layer in the step at the slope of the second passivation layer or shorted to the first passivation layer in the undercut shape arranged under the second passivation layer. | 2009-12-17 |
20090309494 | Alignment Angle Method and Apparatus for a Display - A light-emitting display system has an alignment mechanism to align or angle light-emitting tiles of the display. A first tile connects to a second tile by joining a first clamp portion on the first tile with a second clamp portion on the second tile. In an implementation, the alignment mechanism includes a replaceable angle adjustment insert that is inserted into at least one of the clamp portions, such as the first clamp portion. When the first and second clamp portions are joined, a surface of the second clamp portion presses against the insert and a desired angle between the first and second tile is formed. The insert can have any angle so that any desired angle can be formed between the first and second tiles. | 2009-12-17 |
20090309495 | PLASMA DISPLAY PANEL - A plasma display panel ( | 2009-12-17 |
20090309496 | PLASMA DISPLAY PANEL AND ITS MANUFACTURING METHOD - A PDP and a manufacturing method for the PDP are provided, the PDP being capable of suppressing discharge delay due to improved discharge properties of a protective layer, and exhibiting superior image display performance despite having a high-definition cell structure. A magnesium oxide powder layer ( | 2009-12-17 |
20090309497 | Interconnection feedthroughs for ceramic metal halide lamps - An arc discharge metal halide lamp for providing visible light comprising an arc discharge vessel which has capillary tubes therein in at least one of which there is a first electrical feedthrough extending through an interior passageway to have an interior end of that electrode positioned in the discharge region opposite the other the interior passageway of the other capillary and an exterior end thereof positioned outside the outer end of that capillary tube but joined to a cermet portion inside that tube. In an intermediate stage of fabricating the lamp, a bonding material ring of limited diameter is provided at the end of the capillary tube about the exterior end. In a completed lamp, the first electrical feedthrough has limited extent joints where its components are joined and, alternatively or in addition, has a limited offset between its components at a joint between them. | 2009-12-17 |
20090309498 | BACKLIGHT ASSEMBLY AND DISPLAY APPARATUS HAVING THE SAME - A backlight assembly includes a main circuit board having a light-generating part, a control circuit board which provides a control signal for controlling the light-generating part, and a sub-circuit board which is electrically connected to the control circuit board and receives the control signal, the sub-circuit board including a buffer which generates an amplified control signal in response to the control signal, and where the sub-circuit board is electrically connected to the main circuit board and provides the amplified control signal. The control circuit board and the main circuit board are electrically connected by the sub-circuit board, and the sub-circuit board amplifies the control signal received from the control circuit board and provides the control signal to the main circuit board. | 2009-12-17 |
20090309499 | OPTIMIZATION OF THE EXCITATION FREQUENCY OF A RESONATOR - A radio frequency plasma generator power supply, including: an interface that receives a request to determine an optimal control frequency; an output interface configured to be connected to a plasma generation resonator; a power supply module configured to apply a voltage at a set point frequency to the output interface, the voltage, depending on its frequency, selectively unable to allow generation of plasma of the resonator on receipt of a request during a phase optimizing power supply frequency of the generator and able to allow generation of plasma of the resonator during an operating phase; an interface that receives an electrical measurement of power supply of the resonator; a module that determines optimal control frequency, successively provides various set point frequencies to the power supply module on receipt of a request, and determines an optimal control frequency depending on electrical measurements received by the reception interface. | 2009-12-17 |
20090309500 | Brightness Controlled Light Source - A method and system is provided for automatic brightness control of a light source. The system includes at least one light sensor that operates in a different range of the light spectrum than the light spectrum generated by the controlled light source. | 2009-12-17 |
20090309501 | Light Emitting Diode Replacement Lamp - The invention is a replacement for a conventional incandescent or halogen light bulb. Besides providing regular illumination, it has advantages over a conventional bulb while maintaining the bulb's decorative function, such as visual effects associated with the bulb's envelope or shade. The invention comprises a connector equivalent to a standard light bulb base, at least one light emitting diode (LED), and a driving circuit hosted on a module such as a printed circuit board and adapting the supply voltage to the requirements of the LED. Compensation for the effects of temperature may be included. The invention may also include other circuitry to support various enhanced features such as novel decorative features or control over the brightness, color, or other characteristics—all potentially varying over time or being controlled remotely. | 2009-12-17 |
20090309502 | CONTROL CIRCUIT AND METHOD FOR CONTROLLING LEDs - A control circuit for control of light-emitting diodes has a first LED string ( | 2009-12-17 |
20090309503 | PIXEL AND ORGANIC LIGHT EMITTING DISPLAY DEVICE USING THE SAME - A pixel for compensating for the threshold voltage of a drive transistor and the voltage drop of a first power source is provided. The pixel includes an organic light emitting diode; a driving transistor coupled between a first power source and the organic light emitting diode for controlling the current supplied to the organic light emitting diode; an emission control transistor coupled between a first electrode of the driving transistor and the first power source and configured to be turned off when a high light emission control signal is applied; a switching transistor coupled between a gate electrode of the driving transistor and a data line and configured to be turned on when a low scan signal is applied; a first capacitor coupled between the gate electrode of the driving transistor and the first electrode of the driving transistor; and a second capacitor coupled between the first electrode of the driving transistor and the first power source. | 2009-12-17 |
20090309504 | COLOR-CONTROLLABLE LIGHT STRING - A color-controllable light string has a control box and a light string composed of lighting units. The control box provides a DC power to the lighting units through two power wires and transmits a synchronization signal to the lighting units through a signal wire. Each of the lighting units has a waterproof assembly constructing a sealed environment and an LED circuit board with multiple LEDs of different colors mounted in the sealed environment to provide colorful lights by mixing and activating proper LEDs. | 2009-12-17 |
20090309505 | AC ILLUMINATION APPARATUS WITH AMPLITUDE PARTITIONING - A method includes rectifying AC power and controlling switching of first, second and third currents from and rectified power and a switching sequence that is locked to the AC cycle time by sensing an amplitude of at least one of the AC power and the rectified power. The first, second and third currents are conducted through corresponding first, second and third series of color light emitting devices of different colors. The switching sequence repeats at least twice each AC cycle time. | 2009-12-17 |
20090309506 | Method for Controlling a Driving Circuit of a Light-Emitting Device and Related Electronic Device and Light Source System - A method for controlling a driving circuit of a light-emitting device is disclosed. The driving circuit is utilized for transforming an input power into a driving power for the light-emitting device according to a plurality of state values. The method includes receiving the input power, outputting a first state value of the plurality of state values to the driving circuit, and outputting a second state value of the plurality of state values to the driving circuit according to variation of the input power. | 2009-12-17 |
20090309507 | METHOD FOR POWERING A CONTROL CIRCUIT FOR A GAS DISCHARGE LAMP DURING PRE-HEATING OF SAID LAMP, AND A DEVICE FOR PERFORMING SAID METHOD - The method according to the present invention relates to controlling a gas discharge lamp during a pre-heating period of said lamp, wherein a first terminal of a control circuit is connected with a first electrode of the lamp and a second terminal of a control circuit is connected with a second electrode of the lamp, and wherein means are provided, suitable for connecting the first terminal and the second terminal with each other, thus providing a conducting path, and suitable for disconnecting the first terminal and the second terminal. Furthermore the method comprises the use of a chargeable and dischargeable power buffer, for powering control circuitry for operating the switching means. | 2009-12-17 |
20090309508 | DRIVING CIRCUIT OF MULTI-LAMPS - A driving circuit of multi-lamps including a power supply module, a transformer module, a first detection module, and a control module is provided. Whether the power supply module is turned off is controlled by a control signal. The transformer module respectively provides a driving signal and an inverted driving signal to a first terminal and a second terminal of each lamp according to the AC signal. The first detection module detects a first indication signal combined by signals of the first terminal of one lamp and the second terminal of another lamp. The control module generates the control signal according to the first indication signal. Therefore, whether the lamps have a problem of a short circuit or an open circuit, or are in abnormal states can be known from the variations of the first indication signal, and a protection function for the driving circuit can be activated. | 2009-12-17 |
20090309509 | Power supply for a hot-filament cathode - In accordance with one embodiment of the present invention, there is provided a switch-mode power supply to generate the heating current for a hot-filament electron-emitting cathode. The power supply directly couples, without an output power transformer, the output from a full-bridge converter that operates at an output frequency in the range from ten Hz to tens of Khz to the output terminals of the power supply. A connection to a reference potential that minimizes the potential fluctuation of the cathode is provided by the center tap on an autotransformer connected across the output terminals, where the conductors in the autotransformer are sized for half of the emission current from the cathode rather than the much larger heating current. | 2009-12-17 |
20090309510 | LED DRIVER CIRCUIT CAPABLE OF ADJUSTING OUTPUT CURRENT - An LED driver circuit includes a power controller, a voltage regulator, a detecting resistor, a light emitting device, and a voltage detecting circuit. The voltage detecting circuit has a first input end connected to a higher potential end of the detecting resistor, and a second input end thereof is connected to a lower potential end of the detecting resistor. The output end of the voltage detecting circuit is connected to a feedback end of the power controller so as to output a detected voltage signal to the power controller for adjusting the output voltage and supplying a stable and proper value of current to the light emitting device. The voltage detecting circuit is a differential amplifier capable of detecting the voltage difference between the detecting resistor and amplifying it as a feedback to the power controller. Therefore, the output current from the power controller is precisely controlled. | 2009-12-17 |
20090309511 | Dimming fluorescent ballast system with shutdown control circuit - A ballast system for, and a method of, controlling illumination of a lamp, include a dimmer switch having an actuator settable at different settings corresponding to different output voltages across the dimmer switch, a dimming electronic ballast operatively connected to an electrical power source and to the dimmer switch for dimming the lamp upon setting of the actuator, and a shutdown circuit, preferably provided in the ballast, for measuring the output voltages across the dimmer switch, and for automatically powering the ballast off and, in turn, for turning the lamp off when one of the voltages measured by the shutdown circuit does not exceed a reference voltage that corresponds to one of the settings of the actuator. | 2009-12-17 |
20090309512 | Switchegear, system for controlling a lamp, and light control system for a building comprising at least one light - The invention introduces the concept of priorities into DALI technology. A switchgear ( | 2009-12-17 |
20090309513 | METHOD OF CONTROLLING THE COLOUR OF THE LIGHT OUTPUT OF A LAMP - The invention describes a method of controlling the colour of the light output of a lamp ( | 2009-12-17 |
20090309514 | Light emitting elements, light emitting devices including light emitting elements and methods for manufacturing such light emitting elements and/or devices - An emitting device includes a first electrode on a base substrate, a second electrode on the base substrate, a third electrode on the base substrate, an emitting structure on and/or at a same level as the first electrode, a first pattern on the base substrate being electrically connected to the first electrode, and a plurality of second patterns on the base substrate, wherein at least one of the second patterns is arranged on a first side of the first pattern and is electrically connected to the second electrode and at least another one of the second patterns is arranged on a second side of the first pattern and is electrically connected to the third electrode, the first side opposing the second side. | 2009-12-17 |
20090309515 | Marine LED Lighting System and Method - A method and apparatus of lighting a marine habitat for growth utilizing an LED light system. The light system includes an LED light source, a power supply for such light source and a controller for controlling the activation status and the intensity of the LED light source. | 2009-12-17 |
20090309516 | PIXEL AND ORGANIC LIGHT EMITTING DISPLAY DEVICE USING THE SAME - A pixel capable of compensating for the threshold voltage of a driving transistor, the voltage drop of a first power source and degradation of an organic light emitting diode is provided. The pixel includes an organic light emitting diode; a second transistor (e.g., a driving transistor) coupled between the first power source and the organic light emitting diode to control the current supplied to the organic light emitting diode; a third transistor coupled between a first electrode of the second transistor and the first power source; a first transistor coupled between a gate electrode of the second transistor and a data line; a first capacitor coupled between the gate electrode and the first electrode of the second transistor; a second capacitor coupled between the first electrode of the second transistor and the first power source; and a compensation circuit coupled between the organic light emitting diode and the gate electrode of the second transistor for adjusting a voltage of the gate electrode of the second transistor in accordance with degradation of the organic light emitting diode. | 2009-12-17 |
20090309517 | Temperature dependent current control circuit for LED lighting - An improved LED current control circuit includes a temperature sensor responsive to the ambient temperature for producing a temperature dependent voltage V | 2009-12-17 |
20090309518 | APPARATUS AND METHOD FOR MONITORING AT LEAST ONE FLUORESCENT LAMP - An apparatus for monitoring at least one fluorescent lamp, in particular in an explosion-hazard area, which fluorescent lamp has a lamp tube with electrodes arranged at its ends in the form of filaments, and has a ballast, is improved in order to avoid an excessive temperature increase while maintaining the appropriate explosion protection in that the monitoring apparatus has at least one temperature measurement device, associated with a filament, and an electronic interruption device, by means of which interruption device the power supply can be interrupted by means of the ballast on reaching a predetermined critical temperature. The invention likewise relates to a corresponding method for monitoring at least one fluorescent lamp, in particular in an explosion-hazard area. In this method, the temperature is first of all detected in the area of at least one filament of the fluorescent lamp. The determined temperature is then compared with a predetermined critical temperature, and the power supply to the filament is interrupted by a ballast if the determined temperature reaches or exceeds the predetermined critical temperature. | 2009-12-17 |