20th week of 2009 patent applcation highlights part 19 |
Patent application number | Title | Published |
20090121626 | LIGHT EMITTING DEVICE - A triplet light emitting device which has high efficiency and improved stability and which can be fabricated by a simpler process is provided by simplifying the device structure and avoiding use of an unstable material. In a multilayer device structure using no hole blocking layer conventionally used in a triplet light emitting device, that is, a device structure in which on a substrate, there are formed an anode, a hole transporting layer constituted by a hole transporting material, an electron transporting and light emitting layer constituted by an electron transporting material and a dopant capable of triplet light emission, and a cathode, which are laminated in the stated order, the combination of the hole transporting material and the electron transporting material and the combination of the electron transporting material and the dopant material are optimized. | 2009-05-14 |
20090121627 | AROMATIC CHALCOGEN COMPOUNDS AND THEIR USE - This invention relates to dibenzothiopyran compounds. This invention also relates to layers and devices including at least one of these compounds. | 2009-05-14 |
20090121628 | INORGANIC LIGHT EMITTING DEVICE - An inorganic light emitting device includes a first emission layer that includes a first electrode, a first dielectric layer, a first sub-emission layer, a second dielectric layer and a first auxiliary electrode sequentially stacked on a substrate, a second emission layer that includes the first auxiliary electrode and a third dielectric layer, a second sub-emission layer, a fourth dielectric layer and a second auxiliary electrode sequentially stacked on the first auxiliary electrode, and a third emission layer that includes the second auxiliary electrode and a fifth dielectric layer, a third sub-emission layer, a sixth dielectric layer and a second electrode sequentially stacked on the second auxiliary electrode. | 2009-05-14 |
20090121629 | Controllable Gas-Discharge Device - The invention relates to controllable powerful cold-cathode gas-discharge devices or pseudospark switches intended for rapidly switching high-current high-voltage circuits, which can be used in different pulse devices. The inventive cold-cathode gas-discharge device comprises an anode, a hollow cathode which is separated therefrom by a main discharge gap and whose base is oriented thereto, wherein said base is provided with openings embodied therein for coupling the main discharge gap to a trigger electrode which is arranged in the cathode cavity and is provided with an igniter made of a polycrystal semiconductor material based on a semiconductor whose energy gap is larger than 1.5 eV, the device comprises at least two contacting electrodes contacting with the igniter, wherein at least one electrode is connected to the trigger electrode, whereas the other is insulated therefrom and connected to the cathode, the maximum width of the contacting electrode in the cross-section thereof across a point where it is brought into contact with the igniter is equal to or less than 100 times the average pitch of roughness value on the igniter surface. | 2009-05-14 |
20090121630 | Plasma Display Device and Method of Manufacturing Green Phosphor Material for Plasma Display Device - A plasma display device having a panel main body in which a pair of transparent substrates is arranged in opposition so as to form a discharge space between the substrates on at least a front side, barrier ribs are arranged on at least one of the substrates to divide the discharge space into a plurality of spaces, a group of electrodes is arranged on the substrates so as to generate discharge in the discharge space divided with the barrier ribs, and phosphor layers that emit by discharge are provided, in which the phosphor layers are equipped with a green phosphor layer including at least a mixture of Zn | 2009-05-14 |
20090121631 | Plasma display panel and production method therefor - A plasma display panel production method is provided for producing a plasma display panel including a first substrate, a second substrate opposed to the first substrate, a barrier rib partitioning a space defined between the first and second substrates into a plurality of discharge spaces, and a seal frit portion provided between peripheral inner surface portions of the first and second substrates to seal the first and second substrates. The method comprises the steps of: forming a seal frit portion on one of the first and second substrates, and forming a barrier rib on the second substrate; combining the first substrate and the second substrate with a spacer of the same material as the seal frit portion being provided between the first substrate and a top of the barrier rib; pressing peripheral portions of the first and the second substrates from outside by a pressing member; heating the first and second substrates to a temperature not lower than a softening temperature of the seal frit portion while evacuating the space defined between the first and second substrates; and introducing a discharge gas into the space defined between the first and second substrates after the evacuating step. | 2009-05-14 |
20090121632 | Plasma display device and driving apparatus thereof - A plasma display device and an apparatus for driving the same are provided. The plasma display device includes a first transistor connected between a plurality of first electrodes and a power source adapted to supply a high level voltage of a sustain pulse and a second transistor connected between a power source adapted to supply a low level voltage of a sustain pulse and the first electrodes. A first end of an inductor is connected to the first electrodes. Third and fourth transistors are connected between a second end of the inductor and a power recovery capacitor. Device characteristics of at least one of the first and second transistors are different from those of at least one of the third and fourth transistors. | 2009-05-14 |
20090121633 | METAL HALIDE LAMP - A metal halide lamp comprising a discharge vessel enclosing a discharge space of volume V(cm) and containing an ionizable gas filling comprising Hg in a quantity of mass m(g) and at least a metal halide, wherein in said discharge space two electrodes are arranged whose tips have a mutual interspacing EA so as to define a discharge path between them, the discharge space having a length L(mm) measured along the discharge path and a largest diameter D(mm) square thereto, wherein the ratio X=L/D satisfies the relation 0.72009-05-14 | |
20090121634 | Electrode for a Discharge Lamp and a Method for Producing Such an Electrode - The invention relates to an electrode for a discharge lamp (I) with a cylindrical shaft ( | 2009-05-14 |
20090121635 | Fused joint structure in a lamp tube and forming method therefor - A fused joint structure comprises a metallic foil; and a conductive member made of high melting point metal, wherein a concave portion is formed in the metallic foil and the conductive member on an area where the metallic foil is put together on a surface of the conductive member, and wherein a circumferential edge of the concave portion is covered with the conductive member. | 2009-05-14 |
20090121636 | High-Pressure Discharge Lamp - The invention relates to a high-pressure discharge lamp intended for use in assimilation lighting. According to the invention, the high-pressure discharge lamp has a discharge vessel with a long axis, enclosing a volume V wherein an ionizable filling comprising a buffer gas and an excess amount of a metal halide, which is selected from LiI, NaI and CaI | 2009-05-14 |
20090121637 | Plasma Generator - A plasma generator, comprising a dielectric tube having a first end and a second end, wherein the first end is sealed, but for a gas inlet; at least one first dielectric disk located within the dielectric tube, wherein the first dielectric disk includes at least one first dielectric aperture formed therein; a first ring electrode that at least partially surrounds the at least one first dielectric aperture and is electrically coupled to a power supply; at least one second dielectric disk located proximate the second end of the dielectric tube, wherein the second dielectric disk includes at least one second dielectric aperture formed therein; and a second ring electrode that at least partially surrounds the at least one second dielectric aperture and is electrically coupled to the power supply. During use, the plasma generator produces at least one plasma plume that is launched into open air. | 2009-05-14 |
20090121638 | Cold air atmospheric pressure micro plasma jet application nethod and device - A microhollow cathode discharge assembly capable of generating a low temperature, atmospheric pressure plasma micro jet is disclosed. The microhollow assembly has at two electrodes: an anode and a cathode separated by a dielectric. A microhollow gas passage is disposed through the three layers, preferably in a taper such that the area at the anode is larger than the area at the cathode. When a potential is placed across the electrodes and a gas is directed through the gas passage into the anode and out the cathode, along the tapered direction, then a low temperature micro plasma jet can be created at atmospheric pressure. Selection of gas microhollow geometry and operational characteristics enable the application of the assembly to low temperature treatments, including the treatment of living tissue. | 2009-05-14 |
20090121639 | CONTROL DEVICE FOR DISCHARGE LAMP - The present invention refers to a driving device of a discharge lamp ( | 2009-05-14 |
20090121640 | Discharge Lamp Ballast Apparatus - A discharge lamp ballast apparatus includes a fault detecting section | 2009-05-14 |
20090121641 | Illumination system and illumination control method - This invention discloses an illumination method and an illumination control method. An embodiment of the illumination system includes two light detection modules for detecting a light produced by a light emitting diode and an ambient light, calculating a reference spectral distribution based on a detection result of the ambient light, comparing the detection result of the light emitting diode with the reference spectral distribution, and driving the illumination module to emit a light matching with the reference spectral distribution based on a comparison result. Another embodiment of the illumination system includes a light detection module for periodically switching the light emitting diode to emit light and stop emitting light. When the light emitting diode stops an illumination period, the light detection module detects an ambient light, and when the light emitting diode continues an illumination period, the light detection module detects a light produced by the light emitting diode. | 2009-05-14 |
20090121642 | Organic Light Emitting Diode Driver - Pulse width modulation (PWM) of a drive current to an organic light emitting diode (OLED) is performed by a circuit subjected to corresponding signaling. | 2009-05-14 |
20090121643 | Backlight Unit and Liquid Crystal Display Device Including the Same - A backlight unit of a liquid crystal display includes a lamp, a balancing pattern capacitor electrically connected to the lamp for current balance, a transformer electrically connected to the lamp via the balancing pattern capacitor, a sensing pattern capacitor electrically connected to a terminal of the balancing pattern capacitor connected to the lamp to detect an abnormal driving state of the lamp, and a feedback circuit unit electrically connected to the sensing pattern capacitor to control the abnormal driving state of the lamp. A liquid crystal display device including the backlight unit is also disclosed. | 2009-05-14 |
20090121644 | ADAPTIVE ALGORITHM FOR CAMERA FLASH LED POWER CONTROL VS. BATTERY IMPEDANCE, STATE OF DISCHARGE (SOD), AGING, TEMPERATURE EFFECTS - A method for driving a light-emitting semiconductor is provided. A supply voltage is converted into a secondary output voltage for supplying the light-emitting semiconductor with an output voltage. A level for the supply voltage at the beginning of a high current phase of the light-emitting semiconductor is sensed. A threshold voltage level for the supply voltage level is determined based on the sensed level. The high current phase with the light-emitting semiconductor is stated. The sensed level is continuously compared with the threshold voltage level, and an output current through the light-emitting semiconductor is controlled such that the sensed level does not drop below the threshold voltage level. | 2009-05-14 |
20090121645 | Circuit Arrangement for Operating a Discharge Lamp Having Temperature Compensation - The invention relates to a circuit arrangement which is used to operate a low pressure discharge lamp (EL), wherein the discharge lamp receives power. Said circuit arrangement is embodied in such a manner that power-determination components (C | 2009-05-14 |
20090121646 | Electrodeless Discharge Lamp Illuminator - An electrodeless discharge lamp lighting fixture which can secure lightness even in the case of a dimmering control at a low temperature. The electrodeless discharge lamp lighting fixture according to the present invention comprises an electrodeless discharge lamp | 2009-05-14 |
20090121647 | MULTI-LAMP BACKLIGHT APPARATUS - A multi-lamp backlight apparatus is disclosed. The multi-lamp backlight apparatus includes 2N lamps, N balancing transformers, and a high-voltage power source. N is a positive integer and k is an integer index ranging from 1 to N. The kth balancing transformer among the N balancing transformers includes a first primary winding, a second primary winding, and a secondary winding. The first primary winding connects in series with the (2k−1)th lamp of the 2N lamps. The second primary winding connects in series with the first primary winding and the (2k)th lamp. The secondary winding corresponds to the first primary winding and the second primary winding. The high-voltage power source is connected between the first primary windings and the second primary windings. | 2009-05-14 |
20090121648 | Lighting Device - A lighting device ( | 2009-05-14 |
20090121649 | ILLUMINATING APPARATUS FOR DISPLAY DEVICE AND DISPLAY DEVICE HAVING SAME - An illuminating apparatus used for a display device includes a plurality of illuminating parts, each of which comprises a first feeding member, a second feeding member, and a cold-cathode tube lamp that is fed by a power supply apparatus via the first and second feeding members. An equivalent circuit of each illuminating part is a series combination of negative resistor and a capacitor connected to an end of the negative resistor. The illuminating parts are arranged in such a manner that the capacitors of the cold-cathode tube lamps are alternate in position. This can reduce the brightness gradient for the position in the tubular axis direction of the lamp. | 2009-05-14 |
20090121650 | MAXIMIZING EFFICIENCY OF BATTERY-POWERED LED DRIVERS - An apparatus and method is provided for optimizing LED driver efficiency. The present invention offers low cost solutions for powering LEDs while minimizing overall power dissipation in devices powered by a depletable power source. Low system cost is attained using a charge pump to increase LED drive voltage level and implementing combinations of drive techniques to overcome the inefficiency of the charge pump. A switch bypasses the charge pump when depletable power source output voltage is sufficient to directly drive an LED load. At certain output voltage levels, the switch can be opened causing the charge pump to boost drive voltage. The output voltage may also be PWM modulated to drive the LED load and, at some voltages, the depletable power source may drive the LED load directly. Efficiency levels of 90-97% are attainable. | 2009-05-14 |
20090121651 | Color-Changing Light Array Device - A color-changing light array powered by a driver circuit, the driver circuit responsive to a controller circuit, and the controller circuit configured to change display lighting patterns or colors based on modes of operation and off-on power cycle intervals. | 2009-05-14 |
20090121652 | LIGHT SOURCE MODULE, BACKLIGHT ASSEMBLY HAVING THE SAME, DISPLAY DEVICE HAVING THE SAME AND METHOD FOR REDUCING NUMBER OF WIRES USED IN INTERCONNECT CABLE OF THE SAME - A light source module includes a driving substrate, a plurality of light source blocks and a currents control element. The light source blocks are disposed on the driving substrate, and each of the light source blocks includes at least one light source. The currents control element is disposed on the driving substrate, and has channel terminals for individually controlling driving currents passed through at least two light source blocks. The channel terminals are electrically connected to the at least two light source blocks, respectively. The currents control element is disposed on the driving substrate and individually controls the driving currents applied to the light source blocks, so that a number of wires of a connection cable connected to a light source driving connector is less than the number of light source drive currents being individually controlled. | 2009-05-14 |
20090121653 | Constant Current Circuit, Light Emitting Apparatus and Power Supply Apparatus Using That Constant Current Circuit - In a constant current circuit that supplies a constant current Ic to a circuit connected to a current output terminal, the first transistor M | 2009-05-14 |
20090121654 | LED Light Output Linearization - A system and method for producing a flattened characteristic for LED luminous output. The system may include an array containing one or more light emitted diodes, a power source connected to the LED array providing drive current to the LED array, a timer connected to a controller wherein the timer logs the on-time of the LED array and communicates the LED array on-time to the controller, and a controller connected to the power source wherein the controller adjusts the intensity of the drive current provided to the LED array based on the on-time data received from the timer such that the resultant relative luminous output is approximately equal to the initial relative luminous output. | 2009-05-14 |
20090121655 | Terminal device and computer-readable storage medium - A terminal apparatus and a computer-readable storage medium capable of achieving reduction of power consumption by appropriately controlling lighting of a display unit are provided. | 2009-05-14 |
20090121656 | LIGHT SOURCE WITH OPTIMIZED ELECTRICAL, OPTICAL, AND ECONOMICAL PERFORMANCE - An optimized light source and a method of manufacturing the same. The light source is made up of an array of individual lighting elements and is optimized for electrical, optical and economic performance, as well as a method for configuring such an array. The a process for selecting individual lighting elements is based on characterizing and sorting individual lighting elements based on performance so that the performance of the overall array is improved by combing individual lighting elements whose individual performance might not otherwise meet the performance of the overall array. | 2009-05-14 |
20090121657 | OPTICAL DISPLAY SYSTEMS AND METHODS - Optical display systems and methods are disclosed. | 2009-05-14 |
20090121658 | METHOD FOR GENERATING MIXED LIGHT COLORS - A method for avoiding physiological phenomena such as color separation or stroboscopic effects that occur under boundry conditions in the case of intermittent feeding in particular of light-emitting diodes, for additive superposition to form color-locus-variable mixed light, whereby the emission brightness that can be represented by a periodic duty ratio of a pulse-time-modulated constant current feeding—preferably within the respective period—is realized by changeover to other or between different constant current intensities in such a way that a brightness equivalent, namely once again the current-time integral of the predetermined, brightness-determining duty ratio, arises in the current area sum, which now preferably no longer exhibits gaps over the period. | 2009-05-14 |
20090121659 | Charge control apparatus, electrically powered vehicle and electric storage charge control method - When it is determined that an electric storage is to be charged from a commercial power source, a controller sets a control target of a voltage of a power line to be controlled by a boost converter, based on a voltage of the commercial power source. Specifically, the controller sets the control target of the voltage to a level approximately equal to the crest value of voltage. Then, the controller outputs an input permission command to a relay circuit, and controls inverters to execute charging of the electric storage. | 2009-05-14 |
20090121660 | CONTROLLING ADJUSTABLE BED FEATURES WITH A HAND-HELD REMOTE CONTROL - The present invention provides a handheld adjustable bed remote control that may comprise a circular group of input buttons. A first input button in the circular group of input buttons, upon activation, may control a head position of an adjustable bed. A second input button in the circular group of input buttons, upon activation, may control a foot position of the adjustable bed. A centrally located button may be positioned at an approximate center of the circular group of input buttons. The central button, upon activation, may cause the adjustable bed to return to a flat position. | 2009-05-14 |
20090121661 | Electrical control device - An electrical control device is described. | 2009-05-14 |
20090121662 | SEMICONDUCTOR DEVICE AND METHOD OF CONTROLLING ELECTROSTATIC ACTUATOR - A semiconductor device controls an electrostatic actuator having first and second electrodes formed so as to come close to each other when transition occurs from opened state to closed state by electrostatic attraction against elastic force. The semiconductor device includes: a voltage generation unit generating different applied voltages to be applied to the first and second electrodes; a control unit controlling the voltage generation unit to switch the applied voltages; and a detection unit detecting voltage of the first or second electrode or a rate of change in the voltage. The control unit controls a target voltage of the voltage generation unit to be switched from a first voltage to a second voltage lower than the first voltage according to a detection output by the detection unit. | 2009-05-14 |
20090121663 | BRUSHLESS MOTOR - A brushless motor includes: a permanent magnet; a driving coil moving relative to the permanent magnet; a sensor coil disposed to the permanent magnet so as to generate a sensor coil induced voltage having a same phase of a driving coil induced voltage generated in the driving coil; and a driving circuit applying a driving voltage to the driving coil, the driving voltage having a same phase of the sensor coil induced voltage generated in the sensor coil. | 2009-05-14 |
20090121664 | Open/Close Body Drive Device - The open/close body drive device is capable of restarting a brushless motor, without using magnetic pole sensors, so as to securely drive an open/close body in an arbitrary direction when any of the magnetic pole sensors has failed. When a CPU ( | 2009-05-14 |
20090121665 | MOTOR DRIVE CIRCUIT AND DISC DEVICE USING THE SAME - An energization signal generating circuit respectively compares back electromotive forces generated in coils of each phase of a motor with a midpoint voltage of each phase, and generates energization signals. A pulse signal generating circuit generates a pulse signal in which duty ratio is controlled according to torque. A ramp signal generating circuit divides, into a plurality of times, a period of a frequency generation signal obtained by synthesizing the energization signals, and, for each divided time unit, generates a ramp signal in which pulse width gradually changes, and which has a frequency the same as the pulse signal. An output circuit supplies a drive current to the coils of each phase, based on the energization signals, the pulse signal, and the ramp signal. | 2009-05-14 |
20090121666 | FREQUENCY CONVERTER, MOTOR, MOTOR DRIVE SYSTEM AND MAINTENANCE METHOD FOR MOTOR DRIVE SYSTEM - A frequency converter for outputting a power to drive a motor, having: an inverter unit for inverting a d.c. power to an a.c. power; a control unit for controlling the inverter unit; and a housing for supporting at least the inverter unit and control unit, wherein a rise time change unit is provided in the housing, the rise time change unit changes a rise time of a waveform of a voltage output from the inverter unit. | 2009-05-14 |
20090121667 | Electronic control system - The invention relates to an electronic control system for controlling a voltage across a load, in particular across a fan motor of a motor vehicle, as a function of a control signal, comprising: a setting transistor, a transistor, which activates the control channel of the setting transistor, as well as two resistors, which form a voltage divider via which the voltage across the load is fed to the emitter of the transistor, wherein the control system is designed, in the absence of the control signal, to block the control channels of all the transistors of the control system for limiting the current through all the resistors of the control system, such that, in the absence of the control signal, the control system has a quiescent current consumption in the off-state current range of the transistors. | 2009-05-14 |
20090121668 | SHUTDOWN PATH PERFORMANCE TEST FOR PERMANENT MAGNET AC MOTOR IN HYBRID POWERTRAIN - A diagnostic system for a hybrid vehicle comprises a motor control module and a fault diagnostic module. The motor control module controls torque output of an electric motor having a predetermined number of phases. The fault diagnostic module determines a position of a rotor of the electric motor, aligns the rotor with a phase angle of one of the phases, selectively diagnoses a fault based on a current of at least one of the phases, and selectively disables the electric motor based on the diagnosis. | 2009-05-14 |
20090121669 | Motor Drive Device and Motor Drive Device Control Method - A motor drive device ( | 2009-05-14 |
20090121670 | CONSTRUCTIVE ARRANGEMENT IN A SOFT-STARTER - The present invention refers to a soft-starter having a new constructive arrangement comprising SCRs and a by-pass contactor connected through busbars that also provide an external connection to the soft-starter. The SCRs ( | 2009-05-14 |
20090121671 | VALVE TIMING CONTROL APPARATUS - An electric power supply driver executes duty control of turning on and off of a selected switching element to supply electric power to a corresponding stator coil in a case where an actual rotational direction and a target rotational direction of a motor shaft coincide with each other. Furthermore, the driver sets an on-duty ratio of the selected switching element below a lower limit value, which is at least required to rotate the motor shaft through the power supply to each corresponding stator coil in a case where the actual rotational direction and the target rotational direction do not coincide with each other. | 2009-05-14 |
20090121672 | Leakage Detection Device of Vehicle Mounted Power Supply System - A leakage detection can be correctly performed both in a DC high voltage circuit and in an AC high voltage circuit in a vehicle-mounted power supply system. Under a state where a contactor | 2009-05-14 |
20090121673 | CHARGING SYSTEM FOR WALKING ROBOT AND CHARGING METHOD THEREFOR - A charging system for a walking robot which charges a battery mounted on the walking robot by connecting a power supplying connector provided in a charging station to a power receiving connector in the walking robot, wherein the walking robot is capable of moving without significant restrictions during charging. The charging system includes a lock mechanism for locking the power supplying connector to the power receiving connector. A connector holder holds the power supplying connector detachably, an advancing/retracting mechanism advances and retracts the connector holder in the anteroposterior direction, and a lock operation mechanism performs a lock operation and an unlock operation of the lock mechanism via the connector holder. After an advance of the connector holder, the lock mechanism performs the lock operation to lock the power supplying connector to the power receiving connector. Thereafter, the connector holder is retracted out of the power supplying connector. | 2009-05-14 |
20090121674 | CHARGING DEVICE WITH BOUNDARY MODE CONTROL - A charging device with boundary mode control is disclosed. The charging device includes a transformer, a power switch, a detection circuit and a pulse-width modulation (PWM) controller. The power switch is electrically connected to one end of a primary-side winding of the transformer. The detection circuit is electrically connected to the primary-side winding and the power switch. The detection circuit detects the resonance of the parasitic capacitance of the power switch, thereby generating a detection signal for boundary mode control. The PWM controller generates a pulse-width modulation signal for driving the power switch, and turns on the power switch according to the detection signal. | 2009-05-14 |
20090121675 | ELECTRONIC CONTROL METHOD FOR A PLANAR INDUCTIVE BATTERY CHARGING APPARATUS - This invention provides an electronic control method for a planar inductive battery charging apparatus on which one or more electronic loads such as mobile phones, MP3 players etc can be placed and charged simultaneously. The power control circuit of the charging pad consists of two power conversion stages. Depending on the nature of the input power supply, the first power stage is an AC-DC power converter with variable output voltage control and a second stage is a DC-AC power inverter with constant current control. The combination of the two stages provides power control of the charging pad and generates AC magnetic flux of ideally constant magnitude over the charging areas within a group of primary windings that are excited. | 2009-05-14 |
20090121676 | Charging System for Enhancing Convenience - A charging system for enhancing convenience includes a charging device for generating an electromagnetic wave signal, and a rechargeable device installed in a portable electronic device for receiving the electromagnetic wave signal through electromagnetic induction, so as to perform recharging. | 2009-05-14 |
20090121677 | POWER RECEIVING DEVICE, AND ELECTRONIC APPARATUS AND NON-CONTACT CHARGING SYSTEM USING THE SAME - An electronic apparatus ( | 2009-05-14 |
20090121678 | Feeder-Lineless Traffic System and Charging Method Therefor - Provided is a railway type feeder-lineless traffic system in which the weight of a vehicle is reduced while the structure of the vehicle is simplified, and it is possible to carry out a quick charge during a brief stopping time at a station or the like. A charging method in a feeder-lineless traffic system in which a vehicle mounted thereon with an electric storage unit runs on a predetermined pathway with the use of a power, and the electric storage unit in the vehicle is charged from a charger set up on the pathway, wherein a contact charging way in which a power feeder | 2009-05-14 |
20090121679 | APPARATUS FOR SUPPLYING POWER TO A PORTABLE ELECTRONIC DEVICE - Disclosed is an apparatus for supplying power to a portable electronic device. The apparatus comprises a power adapter, a replaceable lens, and a detachable module. The power adapter is coupled to a power source and is capable of receiving power from the power source. The replaceable lens is removably secured to the power adapter. Further, the detachable module is coupled to the power adapter and is capable of supporting the replaceable lens, when the replaceable lens is secured to the power adapter. | 2009-05-14 |
20090121680 | Desktop Charger Holder - A desktop charger holder ( | 2009-05-14 |
20090121681 | Charging a Portable Electrical Device - A portable electrical device requiring periodic recharging mates with a corresponding charging device by dropping or placing the portable device on or in the charger without pre-alignment by the user. The charger-to-device interface self aligns the portable electrical device in the charger for charging. Preferably, the charger is a bowl-shaped cradle. The portable device sinks to the bottom of the bowl using the force of gravity and thus aligns the contacts for recharging. Optional magnets may provide additional force to guide alignment. | 2009-05-14 |
20090121682 | SEMICONDUCTOR UNIT FOR PROTECTING SECONDARY BATTERY, BATTERY PACK HAVING THE SEMICONDUCTOR UNIT BUILT-IN AND ELECTRONIC APPARATUS USING IT - A semiconductor unit for protecting a secondary battery has a current detecting terminal converting a charging current to a negative voltage with respect to a negative electrode potential (ground potential) of the secondary battery when the secondary battery is charged, converting the charging current to a positive voltage with respect to the negative electrode potential (ground potential) of the secondary battery when the secondary battery is discharged, and detecting the charging/discharging current; and a test signal generating circuit generating a first test signal when the voltage of the current detecting terminal lowers to a first negative voltage which does not occur in a normal operation state of the semiconductor unit, and generating a second test signal when the voltage of the current detecting terminal lowers to a second negative voltage lower than the first negative voltage. | 2009-05-14 |
20090121683 | BACK-GATE VOLTAGE GENERATOR CIRCUIT, FOUR-TERMINAL BACK GATE SWITCHING FET, AND CHARGE AND DISCHARGE PROTECTION CIRCUIT USING SAME - A back-gate voltage generator circuit generating a back-gate voltage of a four-terminal back gate switching MOSFET for charge and discharge control is disclosed. The back-gate voltage generator circuit includes first and second n-type MOSFETs connected in series through a common source electrode. A voltage at the common source electrode of the first and second n-type MOSFETS connected in series serves as the back-gate voltage of the four-terminal back gate switching MOSFET, and the back-gate voltage is used as a reference voltage for generating signals for controlling the first and second n-type MOSFETS. | 2009-05-14 |
20090121684 | Systems and Methods for Pulse Charging a Battery - Embodiments of the present invention include techniques for charging a battery. In one embodiment, the present invention includes a method comprising determining if a maximum current output of a power source is above a threshold, configuring a regulator coupled to the power source, wherein the regulator is configured in a pass mode if the maximum current output is above the threshold, and wherein the regulator is configured in a regulation mode if the maximum current output is below the threshold, and generating pulses to a battery, wherein an output of the regulator is coupled to the battery when a pulse is being generated, and the output of the regulator is decoupled from the battery when a pulse is not being generated. In other embodiments, the techniques may be embodied in a circuit including a detection circuit and a switching regulator coupled to a battery through a pulse circuit. | 2009-05-14 |
20090121685 | CHARGING SYSTEM, CHARGING CONTROL PROGRAM, AND PORTABLE TERMINAL - A charging system of the present invention is a charging system for charging a battery mounted on a portable telephone | 2009-05-14 |
20090121686 | POWER SAVING CHARGER - A power saving charger comprises a switch circuit having an input end connected to an AC current source for turning on or turn off AC current; a switch driving circuit having an output end connected to the switch circuit for outputting signals to turn on or turn off the AC current of the switch circuit; a charging circuit connected to the output end of the switch circuit for converting AC current to DC current so as to charge to a battery of an external load; and a charge detection circuit connected to a charge output end of the charging circuit and a signal output end of the charging circuit for detection the completeness of the charge and detection of the existence of the load; and a signal output end of the charge detection circuit being connected to an signal input end of the switch driving circuit. | 2009-05-14 |
20090121687 | Charging method and charging apparatus - A charging apparatus for charging a plurality of batteries has at least two modes including a first mode and a second mode, in which amounts of electricity to charge the batteries are set with reference to a fully charged capacity of the batteries. The apparatus includes mode selection means for selecting either of the first mode and the second mode. The first mode is a mode in which the batteries are charged until the batteries reach a fully charged state. The second mode is a mode in which the charging of the batteries is stopped before the batteries reach the fully charged state. | 2009-05-14 |
20090121688 | POLE COUNT CHANGING GENERATOR - Disclosed is a pole count changing generator capable of altering the number of poles contained within a generator. This pole count change is accomplished by changing the path through which electrical current is capable of traveling in response to a control signal sent to a pole count changing circuit. | 2009-05-14 |
20090121689 | Vehicle-use power generation control device - The vehicle-use power generation control device includes a first function of detecting a temperature around a generator mounted on a vehicle, a second function of setting a target control voltage in accordance with the temperature detected by the first function, and a third function of controlling an output voltage of the generator at the target control voltage set by the second function. The second function is configured to determine the target control voltage on the basis of a target power generation voltage defining the target control voltage to be set at a predetermined temperature, and a predetermined gradient of the target control voltage with respect to the temperature detected by the first function. | 2009-05-14 |
20090121690 | Voltage regulator - Provided is a voltage regulator that is excellent in transient response characteristics even if a resistance of a resistor in a phase compensation circuit is large. In the voltage regulator, the resistor of the phase compensation circuit is so configured as to change the resistance thereof according to a voltage across both ends of the resistor. In a transient state in which an output voltage of an error amplifier circuit changes, the resistance of the resistor in the phase compensation circuit is decreased, to thereby improve the transient response characteristics of the voltage regulator. | 2009-05-14 |
20090121691 | Voltage supply device and nonvolatile memory device having the same - A voltage supply device comprises: a charge pump configured to boost a power voltage and to supply the boosted power voltage to a output line; and a voltage control circuit configured to maintain a voltage level of the output line at a target voltage level; wherein the voltage control circuit comprises a reach-through element including a first region and a second region provided in a well, the reach-through element configured to control the voltage level of the output line, using a reach-through function between the first region and the second region. | 2009-05-14 |
20090121692 | Vibration-Reduction Fan Driving Circuit - Avibration-reduction an driving circuit is applicable to a fan that operates according to a current signal sent thereto, and is characterized in a current buffer unit connected to a drive current supplied from a power source and having a relatively large magnitude of change in current. The current buffer unit divides the original drive current into multiple continuously changing drive currents that have a relatively small magnitude of change in current, so that electric current supplied to the fan is regulated and output fractionally to achieve the purpose of reducing the vibration of fan caused by a large magnitude of change in current. | 2009-05-14 |
20090121693 | Constant Voltage Circuit - A voltage change detecting circuit part amplifies an output signal of a differential amplifying circuit so that a slew rate thereof may be larger than that of a control signal output from a first error amplifying circuit to an output transistor, responding to change of an output voltage output from an output terminal quicker than a control signal output from the first error amplifying circuit to a first transistor, and causing a discharging circuit part to carry out discharging operation. | 2009-05-14 |
20090121694 | NON-INVASIVE LOAD CURRENT SENSING IN LOW DROPOUT (LDO) REGULATORS - A low dropout (LDO) voltage regulator includes an output terminal for providing a regulated voltage output to a load, and a plurality of PFETs connected in parallel. Each PFET drains a level of current and the sum of the levels of current are provided as a current output at the output terminal. The LDO voltage regulator also includes a feedback network coupled to the output terminal for providing a voltage feedback signal, and an error amplifier coupled between the plurality of PFETs and the feedback network for sensing a differential voltage. The error amplifier includes an output voltage which is provided to the plurality of PFETs for adjusting the drain of current from each PFET. A summation of the drains of current from each PFET is provided as the current output to regulate the voltage output at the output terminal. Each PFET drains a current level of I | 2009-05-14 |
20090121695 | METHODS AND APPARATUS FOR A MULTIPHASE POWER REGULATOR - Methods and apparatus for a multiphase power regulator according various aspects of the present invention operate in conjunction with an active transient response (ATR) system for applying a correction signal to a multiphase pulse width modulator. In the event of a transient, the ATR system may adjust the output of the pulse width modulator to quickly respond to load requirements. The output may be modified by adding pulses, blanking pulses, advancing pulses, and scaling pulses to one or more phases. | 2009-05-14 |
20090121696 | Controller of DC-DC Converter And Controlling Method Thereof - A PWM controller of a DC-DC converter is provided. The DC-DC converter converts an input voltage into an output voltage and comprises an output inductor coupled between an output of the DC-DC converter and a phase node. A first sense circuit senses a signal from the phase node to generate a first signal corresponding to the input voltage. A second sense circuit senses the signal from the phase node to generate a second signal corresponding to the output voltage. A PWM generator controls a first transistor and a second transistor of the DC-DC converter according to the first and second signals. The first transistor is coupled between the input voltage and the phase node, and the second transistor is coupled between the phase node and a ground. | 2009-05-14 |
20090121697 | CIRCUIT AND METHOD FOR REDUCING OUTPUT NOISE OF REGULATOR - A circuit and a method for reducing output noise when a pulse width modulation mode is started. A pulse width modulation circuit generates a first pulse signal having a duty cycle that is in accordance with an output voltage of a regulator circuit. A drive circuit generates the output voltage from an input voltage in response to the first pulse signal provided from the pulse width modulation circuit. A feed forward circuit controls the pulse width modulation circuit in a manner to generate the first pulse signal having a duty cycle that maintains the output voltage at a desired level before the pulse width modulation circuit provides the first pulse signal to the drive circuit. | 2009-05-14 |
20090121698 | BANDGAP VOLTAGE REFERENCE CIRCUITS AND METHODS FOR PRODUCING BANDGAP VOLTAGES - A bandgap voltage reference circuit includes a first circuit portion and a second circuit portion. The first circuit portion generates a voltage complimentary to absolute temperature (VCTAT). The second circuit portion generates a voltage proportional to absolute temperature (VPTAT) that is added to the VCTAT to produce a bandgap voltage reference output. The first circuit portion includes a plurality of delta base-emitter voltage (VBE) generators, connected as a plurality of stacks of delta VBE generators. Each delta VBE generator can include a pair of transistors that operate at different current densities and thereby generate a difference in base-emitter voltages (ΔVBE). The plurality of delta VBE generators within each stack are connected to one another, and the plurality of stacks of delta VBE generators are connected to one another, such that the ΔVBEs generated by the plurality of delta VBE generators are arithmetically added to produce the VPTAT. | 2009-05-14 |
20090121699 | BANDGAP REFERENCE VOLTAGE GENERATION CIRCUIT IN SEMICONDUCTOR MEMORY DEVICE - Bandgap reference voltage generation circuit in semiconductor memory device includes a first current generator configured to generate a first current proportional to a change of a temperature by using temperature characteristic of a diode-connected MOS transistor, a second current generator configured to generate a second current inversely proportional to the change of the temperature by using the temperature characteristic of a diode-connected MOS transistor and a summation unit configured to mirror and sum the output currents of the first current generator and the second current generator, and output a reference voltage. | 2009-05-14 |
20090121700 | CONSTANT VOLTAGE CIRCUIT - An inverse temperature characteristic generating circuit decreases an output voltage V | 2009-05-14 |
20090121701 | BANDGAP REFERENCE GENERATING CIRCUIT - A bandgap reference generating circuit includes an operational amplifier configured to generate a bandgap reference voltage; and a gain controller configured to control a gain of the operational amplifier with different values in a normal mode and a low power mode. | 2009-05-14 |
20090121702 | METHODS AND APPARATUS TO PROVIDE SELF-TRACKING PRE-DRIVER CONTROLS - Methods and apparatus for a self-tracking high-side pre-driver control are described. In an example, a method is described comprising charging a first terminal associated with a first capacitive element to a first voltage with respect to ground and a second terminal associated with a second capacitive element to a second voltage with respect to ground, changing the first voltage and the second voltage with respect to ground by changing a swing voltage, selecting one of the first voltage or the second voltage based on a first switched-mode power supply topology or a second switched-mode power supply topology and driving a transistor using the selected voltage. | 2009-05-14 |
20090121703 | LOAD CURRENT SENSING TECHNIQUE - Methods and apparatus regulate the output of a switching device to a voltage near that of saturation. In the preferred embodiment, this is accomplished for a small period of time during activation before and/or after device saturation. The switching device drive requirement is then measured to attain the regulated voltage. Measurement of the drive requirement during the small period of time correlates to switching driver current, being reliant on the finite gain of the switching device. | 2009-05-14 |
20090121704 | Current Measuring Apparatus - The present invention provides a current measuring apparatus having an improved structure to inhibit the possible adverse effect of a current in a different phase and the possible generation of an induced electromotive force caused by a measurement target current, enabling the measurement target current to be accurately detected even with the small size of the apparatus. The current measuring apparatus includes a printed circuit board | 2009-05-14 |
20090121705 | Poly Phase Solid State Watt Hour Meters - An electronic energy meter includes a first sigma delta modulator having an electrically isolated digital data output. A power supply stage coupled to a first electrical line provides a supply voltage to the first sigma delta modulator. A shunt device is also coupled to the first electrical line. The first sigma delta modulator is coupled via an input to the shunt device for measuring a current through the first electrical line. The electrically isolated digital output is isolated by a capacitive isolation barrier. | 2009-05-14 |
20090121706 | Active Sensor Element and Method of Determining the Temperature of an Active Sensor Element - The invention relates to an active sensor element for recording the speed of an exhaust gas turbocharger, comprising a suppressor circuit which has at least one diode. In order to specify a device for temperature measurement at the turbocharger and in particular at the turbocharger in the region of the active sensor, the current-voltage characteristics of the diode are evaluated for determining the temperature in the sensor element. | 2009-05-14 |
20090121707 | MAGNETIC FIELD ORIENTATION SENSOR - A magnetic angle sensor | 2009-05-14 |
20090121708 | Sensor Assembly For Detecting Positioning Of A Moveable Component - A method of designing a sensor assembly having a housing, a first magnet and a second magnet includes forming each of the first magnet and the second magnet into a wedge shape. The method further includes tilting each of the first magnet and the second magnet at an angle within the housing. | 2009-05-14 |
20090121709 | Peptide nanostructures encapsulating A foreign material and method of manufacturing same - A composition comprising a material at least partially enclosed by a tubular, spherical or planar nanostructure composed of a plurality of peptides, wherein each of the plurality of peptides includes no more than 4 amino acids and whereas at least one of the 4 amino acids is an aromatic amino acid. | 2009-05-14 |
20090121710 | Novel free layer design for TMR/CPP device - A TMR sensor and a CPP GMR sensor all include a free layer that is of the form CoFe | 2009-05-14 |
20090121711 | THERMALLY STABILIZED MAGNETS FOR USE DOWNHOLE - A logging instrument for estimating a property of a formation penetrated by a borehole, the instrument having a magnet disposed at least one of at and in the instrument wherein the magnet exhibits a magnetic field of “substantially” constant magnitude over a range of temperatures in the borehole. | 2009-05-14 |
20090121712 | Dynamic nuclear polarization enhanced nuclear magnetic resonance of water under ambient conditions - A method and apparatus are provided for treating hydrated material in a fluid that contains water in which a stable nitroxide is attached to the hydrated material. A dynamic nuclear polarization process (DNP) is conducted on the hydrated material whereby to hyperpolarize the water. A polarization cell contains the hydrated material to obtain hyperpolarized water free from the nitroxide. The dynamic nuclear polarization process is conducted using components comprising a tunable, solid state high power X-band driver and an X-band resonator for microwave transmission to the hydrated material. The components can also include a radio-frequency nuclear magnetic resonance probe, a permanent magnet formed to receive the hydrated material, a portable nuclear magnetic resonance spectrometer, and an electron spin resonance detector. The components can be sized to be portable, and include electrical input and output and a lap-size hard-case with access to the electrical input and output. | 2009-05-14 |
20090121713 | Antenna For Picking up Magnetic Resonance Signals and Provided With Its Own Communication Unit - An RF receiver antenna ( | 2009-05-14 |
20090121714 | METHOD AND MAGNETIC RESONANCE SYSTEM FOR DETERMINING THE FLIP ANGLE DISTRIBUTION IN A VOLUME OF AN EXAMINATION SUBJECT - In a method for determination of flip angle distributions for various antenna transmission configurations in a magnetic resonance system, magnetic resonance measurements are implemented with the various transmission configurations, with the reception configuration being identical for all implemented magnetic resonance measurements, and all magnetic resonance measurements for the various transmission configurations are implemented with a specific pulse sequence. This pulse sequence is selected such that the total function that describes the dependency of the image signal at a specific location on the flip angle achieved at this location with the radiated radio-frequency field, as well as on further MR-relevant parameters, can be factored into a first sub-function that describes the dependency of the image signal on the achieved flip angle and a second sub-function (Tb) that describes the dependency of the image signal on the further MR-relevant parameters, and such that the functional dependency of the image signal on the achieved flip angle is known. The absolute flip angle distribution is measured for a reference transmission configuration, and the flip angle distributions of the other transmission configurations are then respectively determined on the basis of the absolute flip angle distribution of the reference transmission configuration and on the basis of the ratio of the spatially-dependent image signals of the magnetic resonance measurements of the respective transmission configuration to the corresponding spatially-dependent image signals of the magnetic resonance measurement of the reference transmission configuration. | 2009-05-14 |
20090121715 | VERTICAL FIELD MRI SHOULDER COIL - The present invention relates to a design of a radiofrequency (RF) receive coil (also commonly referred to as an imaging coil) for magnetic resonance imaging (MRI) in a vertical field MRI system of a patient's shoulder region. The design described herein generally includes a solenoid element that wraps around the patient's shoulder, at least two loop elements that encompass the superior section of the patient's shoulder, and at least two saddle elements, wherein one saddle element encompasses the posterior section of the patient's shoulder and one saddle element encompasses the anterior section of the patient's shoulder. It is foreseen that further embodiments of the shoulder coil design may include additional elements. | 2009-05-14 |
20090121716 | NMR resonator configured as an insulated foil, conductively coated on both sides - A nuclear magnetic resonance (NMR) resonator ( | 2009-05-14 |
20090121717 | RF ANTENNA WITH INTEGRATED ELECTRONICS - A radio frequency antenna comprising a resonant pickup circuit ( | 2009-05-14 |
20090121718 | PROBE FOR NMR MEASUREMENT - A probe for nuclear magnetic resonance (NMR) measurement provided with a multiple resonant circuit for detecting signals of two or more nuclides with high detection efficiency for nuclide at low resonant frequency comprises a multiple resonance radio frequency (RF) coil circuit that, with multiple lead lines connected to the RF coil, causes a part of the RF coil, separated by the connection points of the lead lines, to function as the inductor of a trap circuit that cuts off a signal at the frequency F | 2009-05-14 |
20090121719 | "METHOD OF MARINE ELECTROMAGNETIC SURVEY USING FOCUSING ELECTRIC CURRENT (VARIANTS)" - Two embodiments of marine geo-electric probe methods for hydrocarbon deposits survey comprise—excitation of electromagnetic field in a surveyed medium by transmitting two rectangular current pulses therethrough, the first—during forward traveling of a probe device along a profile and the second—during backward traveling thereof, —measuring instant values of the first and second electric potential differences during the time between the pulses, wherein, the equal-zero condition of the electric potential differences along the profile is ensured, —calculating three sets of normalized electrical parameters based on difference values, —solving an inverse problem via a differential equation for the dipole source voltage in an electrochemically polarizable medium using the parameters, —producing data according to said electrical parameters, and—determining conductivity of the medium, induced-polarization factor and decay time constant of the polarization potential difference. The first embodiment is deployed for circular survey profiles, the second is for linear profiles. | 2009-05-14 |
20090121720 | Method for controlled source electromagnetic reconnaissance surveying - Method for conducting an efficient and interpretable controlled-source electromagnetic reconnaissance survey for buried hydrocarbons. While a part of the survey area is being set up for measurement and data are being acquired, data from a nearby part of the survey area, surveyed just previously, are being rapidly processed and analyzed ( | 2009-05-14 |
20090121721 | DEVICE FOR MONITORING CELL VOLTAGE - A device for monitoring a rechargeable battery having a number of electrically connected cells includes at least one current interruption switch for interrupting current flowing through at least one associated cell and a plurality of monitoring units for detecting cell voltage. Each monitoring unit is associated with a single cell and includes a reference voltage unit for producing a defined reference threshold voltage and a voltage comparison unit for comparing the reference threshold voltage with a partial cell voltage of the associated cell. The reference voltage unit is electrically supplied from the cell voltage of the associated cell. The voltage comparison unit is coupled to the at least one current interruption switch for interrupting the current of at least the current flowing through the associated cell, with a defined minimum difference between the reference threshold voltage and the partial cell voltage. | 2009-05-14 |
20090121722 | Method for Assessing the Suitability of Metered Dose Inhaler Actuators - A method of assessing the suitability of a metered dose inhaler actuator A test canister equipped with a valve and containing a pressurized propellant is provided. One or more actuators manufactured for use in a metered dose inhaler is provided and tested, wherein each actuator is tested by coupling the canister to the actuator, positioning the actuator with respect to an electrostatic measurement device and firing the canister such that electrostatic charge from an aerosol emitted by the canister is measured by the electrostatic measurement device. The measured electrostatic charge is compared to a predetermined specification range to make a determination whether the measured electrostatic charge is within or outside the predetermined specification range and accordingly whether the actuator is or is not acceptable. | 2009-05-14 |
20090121723 | ELECTROSTATIC DISCHARGE DEVICE TESTING SYSTEM AND METHOD - There is disclosed an electrostatic discharge (ESD) device tester and a method of operating the tester. In an embodiment, the method comprises operating the tester by uniquely identifying an ESD device to be tested using identification means provided on the tester; taking at least one test measurement of the uniquely identified ESD device using testing means provided on the tester, the testing means being configurable in dependence upon data associated with the uniquely identified ESD device; and storing the at least one test measurement in a storage means provided in the tester. A running average of test measurements for the uniquely identified ESD device may be stored on the tester in order to compare a test measurement against the running average. A test is repeated if a test measurement falls outside of a predetermined range of the running average. | 2009-05-14 |
20090121724 | Detection of faults in an injector arrangement - A fault detection method is provided for detecting faults in an injector arrangement. The injector arrangement comprises one or more piezoelectric fuel injectors connected in an injector drive circuit, and the injector drive circuit is arranged to control operation of the one or more piezoelectric fuel injectors. The fault detection method includes determining a sample voltage at a sample point in the injector drive circuit at a first sample time. The sample voltage is the voltage on an injector or is related to the voltage on an injector. The method further includes calculating a range of predicted voltages expected at the sample point at a second sample time following the first sample time, and determining the sample voltage at the sample point at the second sample time. The presence of a fault is detected if the sample voltage determined at the sample point at the second sample time is not within the range of predicted voltages. | 2009-05-14 |
20090121725 | TEST APPARATUS AND MEASUREMENT APPARATUS - There is provided a test apparatus for testing a device under test, which includes a voltage supplying section which supplies a voltage to the device under test through a wire, a first capacitor which is arranged between the wire and a common potential in series, a current detecting section which detects a current flowing through the wire at a location closer to the device under test than the first capacitor is, an integrating section which outputs an integration value obtained by integrating a difference between the current detected by the current detecting section and a predetermined reference current, and a judging section which judges whether the device under test is a pass or a failure based on the integration value. | 2009-05-14 |