52nd week of 2011 patent applcation highlights part 20 |
Patent application number | Title | Published |
20110316482 | ELECTRICAL CIRCUIT SHARING FOR ELECTRIC VEHICLE CHARGING STATIONS - Electric vehicle charging stations are coupled with a circuit sharing controller. Multiple electric vehicle charging stations are wired on the same electrical circuit. The circuit sharing controller implements a circuit sharing process that dynamically allocates electric current to charging stations on the same electrical circuit such that the capacity of the electrical circuit is not exceeded while permitting each of those charging stations to draw electric current through that electrical circuit for at least some amount of time. | 2011-12-29 |
20110316483 | BATTERY PACK WITH BALANCING MANAGEMENT - A battery management system for a battery pack includes a plurality of battery modules and a plurality of first balancing units coupled to the plurality of battery modules. The battery management system also includes a plurality of second balancing units coupled to the plurality of battery modules, wherein a first balancing unit of the plurality of first balancing units and a second balancing unit of the plurality of second balancing units are coupled to each respective battery module. Lastly, the battery management system includes a plurality of controllers coupled to the plurality of battery modules, wherein each controller is coupled to a respective battery module. A first controller of the plurality of controllers is operable to control a first balancing unit of a first battery module to adjust a voltage output of the first battery module when the first controller determines the voltage output of the first battery module is greater than a combined voltage output of the first battery module and a second battery module. The first controller of the plurality of controllers is further operable to control a second balancing unit of the first battery module to adjust the combined voltage output of the first battery module and the second battery module when the first controller determines the combined voltage output of the first battery module and the second battery module is greater than the voltage output of the first battery module. | 2011-12-29 |
20110316484 | POWER SUPPLY - The present invention concerns a power supply ( | 2011-12-29 |
20110316485 | ELECTROCHEMICAL CELL WITH STEPPED SCAFFOLD FUEL ANODE - An electrochemical cell includes a fuel electrode configured to operate as an anode to oxidize a fuel when connected to a load, and configured to operate as a cathode when connected to a power supply. The fuel electrode comprises a plurality of scaffolded electrode bodies, wherein the scaffolded electrode bodies are of varying size. The electrode bodies are of a larger size at positions distal from a charging electrode configured to act as an anode when connected to the power supply, and of a smaller size at positions proximal to the charging electrode. When connected to a load, the scaffolded electrode bodies-containing fuel electrode acts as the electrochemical cell anode and electrodeposited fuel is oxidized. | 2011-12-29 |
20110316486 | Charge Control System - The charge control system includes at least a battery temperature control device, a cooling device, a heating device, and an integrated control device. The battery control device detects SOC of a battery. Based on the detected SOC, the integrated control device switches between a first charging mode in which the battery is charged at a substantially constant current and a second charging mode in which the battery is charged at a substantially constant voltage. In the second charging mode, the battery temperature control device performs rapid cooling control to control the cooling device such that it has a cooling capacity in the second charging mode higher than a cooling capacity in the first charging mode. Thus, the battery temperature is appropriately controlled to increase a cruising distance even when the electric vehicle is run immediately after completion of charging. | 2011-12-29 |
20110316487 | LITHIUM ION SECONDARY BATTERY CHARGING METHOD AND BATTERY PACK - A lithium ion secondary battery which includes: a power generation element including a positive electrode, a negative electrode, a separator interposed between the positive electrode and the negative electrode, and a non-aqueous electrolyte; a case accommodating the power generation element and having an opening; and a sealing plate sealing the opening of the case is charged. The sealing plate has an external terminal of the positive or negative electrode, and an internal terminal electrically connected to the positive or negative electrode. The external and internal terminals are connected to each other and have an electrical resistance therebetween of 0.1 to 2 mΩ. Two or more constant-current charging steps in each of which the secondary battery is charged at a constant charge current until a charge voltage reaches an end-of-charge voltage are performed. In the two or more constant-current charging steps, the secondary battery is subjected to constant-current charging at a current Ic( | 2011-12-29 |
20110316488 | Circuit Arrangement for the Energy Supply of a Battery and Associated Method - A circuit arrangement for supplying energy, comprising: a first input adapted to receive a first voltage from a first terminal of a control component, a second input adapted to receive a second voltage from a second terminal of the control component, a first output adapted to receive output a control signal to a control terminal of the control component for controlling an energy supply of an electrical load; and a power determining arrangement, comprising a switched-capacitor arrangement having an input coupled to the first and the second input of the circuit arrangement and an output coupled to the first output of the circuit arrangement. | 2011-12-29 |
20110316489 | Power Supply Device - A power supply device according to the present invention includes: a capacitor | 2011-12-29 |
20110316490 | CURRENT SOURCE CONVERTER-BASED WIND ENERGY SYSTEM - Switching control systems and methods are presented for controlling power conversion systems to provide electrical power to a grid or other load in which a synchronous machine is driven by a wind turbine or other prime mover to provide generator power to a switching type current source converter (CSC), with a current source rectifier (CSR) of the CSC being switched to provide d-axis control of the synchronous machine current based on grid power factor feedback, and with a current source inverter (CSI) of the CSC being switched to provide leading firing angle control and selective employment of dumping resists to dissipate excess generator energy in a fault mode when a grid voltage drops below a predetermined level. | 2011-12-29 |
20110316491 | METHOD AND APPARATUS TO INCREASE EFFICIENCY IN A POWER FACTOR CORRECTION CIRCUIT - A power factor correction (PFC) controller includes a first integrator coupled to integrate an input current of a PFC converter. A first signal is generated in response to the first integrator to end an on time of a power switch of the PFC converter. A second integrator is coupled to integrate a difference between a constant voltage and an input voltage of the PFC converter. A second signal is generated in response to the second integrator to end an off time of the power switch of the PFC converter. A driver circuit is coupled to vary the switching frequency of the power switch of the PFC converter in response to the first and the second signals and to output a third signal to switch the power switch of the PFC converter to control the input current to be substantially proportional to the input voltage. | 2011-12-29 |
20110316492 | Control Device Reactive Power Compensator And Method - A control device for controlling a reactive power compensator connected to an electric power network and arranged to provide reactive power to the electric power network. The control device includes a voltage regulator outputting a control signal to the reactive power compensator for controlling its supply of susceptance to the electric power network. The control device includes a gain-adjusting device arranged to adjust the gain of the voltage regulator relative to the point of operation of the reactive power compensator. | 2011-12-29 |
20110316493 | Poly-Phase Reactive Power Compensator - The invention relates to a poly-phase reactive power compensator | 2011-12-29 |
20110316494 | SWITCHING POWER SUPPLY DEVICE, SWITCHING POWER SUPPLY CIRCUIT, AND ELECTRICAL EQUIPMENT - According to an embodiment of the invention, there is provided a switching power supply device including an integrated body and a plurality of external terminals. In the integrated body, a first switching element, a constant current element, and a diode are connected in series. The plurality of external terminals include a first external terminal connected to a main terminal of an element disposed on one end side of the integrated body and a second external terminal connected to a main terminal of an element disposed on another end side of the integrated body. | 2011-12-29 |
20110316495 | CIRCUIT FOR A SWITCH MODE POWER SUPPLY - A circuit for a switch mode power supply is presented. The circuit comprises a transient detection portion adapted to delay an analogue error signal (Vdiff) derived from the output voltage (Vout) of the switch mode power supply and to detect whether the difference between the output voltage and the delayed analogue error signal (Vdel) is within a predetermined range. | 2011-12-29 |
20110316496 | Switching power source apparatus and control method thereof - A switching power source apparatus includes a converting unit to convert a voltage level of power, a first switch to switch power supplied to the converting unit, a second switch connected in series with the first switch and turned on after the first switch has been turned on, and a voltage clamp unit to clamp a level of a voltage applied across the series connection of the first switch and the second switch to a predetermined voltage or less. | 2011-12-29 |
20110316497 | METHOD FOR CLOSED-LOOP CONTROL OF A DC-DC VOLTAGE CONVERTER COMPRISING A PLURALITY OF INTERLACED CELLS OPERATING IN ZERO-VOLTAGE SWITCHING MODE - A method for closed-loop control of a DC-DC voltage converter operating in zero-voltage switching mode (ZVS) with a switching threshold (Z) is disclosed. The converter includes a plurality of interlaced cells, each cell having at least two controlled switches, which are alternately closed and open, and an inductor (L) in which an output current flows from the cell, and a clock with a given switching period configured for triggering the switching of the switches between upper (+M) and lower (−M) control thresholds, the control threshold (+M, −M) with the value nearest to the switching threshold (Z) being denoted as an associated control threshold. | 2011-12-29 |
20110316498 | POWER REGULATOR AND REMOTE POWER CONTROL DEVICE - A power regulator | 2011-12-29 |
20110316499 | Current Source Regulator - A current source regulator for controlling an output device (Mp) of current source, the output device (Mp) providing an output current (Isrc) to a load. The current source regulator comprises a first feedback loop ( | 2011-12-29 |
20110316500 | CONTROLLED DELIVERY OF A CHARGING CURRENT TO A BOOST CAPACITOR OF A VOLTAGE REGULATOR - Disclosed are devices, apparatus, circuitry, components, mechanisms, modules, units, systems, and processes for controlling a power switch of a voltage regulator. A capacitor is coupled to an output of the power switch. Charge delivery circuitry is coupled to the capacitor and configured to provide a charging current to the capacitor. Charge control circuitry can be coupled to the charge delivery circuitry and configured to selectively allow the providing of the charging current to the capacitor. | 2011-12-29 |
20110316501 | Controller for a Power Converter and Method of Operating the Same - A controller for use with a power converter including a switch configured to conduct to provide a regulated output characteristic at an output of the power converter, and method of operating the same. In one embodiment, the controller includes a linear control circuit, coupled to the output, configured to provide a first control signal for the switch as a function of the output characteristic. The controller also includes a nonlinear control circuit, coupled to the output, configured to provide a second control signal for the switch as a function of the output characteristic. The controller is configured to select one of the first and second control signals for the switch in response to a change in an operating condition of the power converter. | 2011-12-29 |
20110316502 | FEEDBACK FOR CONTROLLING THE SWITCHING FREQUENCY OF A VOLTAGE REGULATOR - Disclosed are devices, apparatus, circuitry, components, mechanisms, modules, units, systems, and processes for controlling the switching frequency of a voltage regulator. Frequency monitoring and adjustment circuitry is coupled to sense a switching frequency of a power switch coupled to an output filter of the voltage regulator. The frequency monitoring and adjustment circuitry is configured to provide a frequency adjustment signal based on the sensed switching frequency. Power switch control circuitry is coupled to receive the frequency adjustment signal and is configured to control switching of the power switch based on the frequency adjustment signal. | 2011-12-29 |
20110316503 | Control Method for Multi-Phase DC-DC Controller and Multi-Phase DC-DC Controller - A multi-phase DC-DC controller. The multi-phase DC-DC controller comprises converter channels, a channel control device and a power control device. Each converter channel comprises a switch device, a first output node and an inductor coupled between the switch device and the first output node. The channel control device generates adjusted pulse width modulation signals according to control signals of the converter channels to respectively control operation of the switch device in each converter channel. The power control device generates the control signals according to sensed currents in the converter channels so as to dynamically turn on or off each converter channel according to the sensed currents. | 2011-12-29 |
20110316504 | Power Supply Noise Injection - A method for reducing noise in an output of a voltage regulator at frequencies above a closed loop bandwidth, by providing a noise injection path for injecting external noise into the voltage regulator, where the noise injection path becomes active at the frequencies above the closed loop bandwidth, where the noise injection path reduces the noise in the output of the voltage regulator. | 2011-12-29 |
20110316505 | Output Buffer With Improved Output Signal Quality - An output buffer receives an input signal and generates an output signal at an output node. The output buffer contains a driver circuit. The driver circuit includes two pairs of cascoded transistors connected at a junction node. Each of the cascoded pairs receives a corresponding level-shifted signal representing the input signal, and generates corresponding driver signals on driver nodes which are coupled to the output node. The driver circuit includes a capacitor connected between one of the driver nodes and the junction node. The capacitor enables the corresponding driver signal to be generated to reach a desired voltage quickly. The output impedance of the output buffer with which the output signal is launched is reduced and more closely matched the impedance of the path on which the output signal is provided. Signal quality of the output signal is thereby improved. | 2011-12-29 |
20110316506 | Dual Loop Voltage Regulator with Bias Voltage Capacitor - A voltage regulator includes a regulator input connected to a reference voltage; a regulator output that outputs a regulated voltage to an electrical load; a first loop, the first loop configured to receive the reference voltage, the first loop outputting a bias voltage; a second loop, the second loop configured to receive the bias voltage as an input; and a bias voltage capacitor connected to a node between the first loop and the second loop. | 2011-12-29 |
20110316507 | Multiple-input comparator and power converter - Techniques pertaining to multiple-input comparator and power converter designs are disclosed. According to one aspect, the present invention discloses a multiple-input comparator comprising a pair of differential transistors connected by a resister. The gate terminals of the transistor pair serve as the input terminals of the comparator for receiving external voltage for comparison. The terminal of the resistor serves as the current input terminal and is either connected to a current source or a current sink. A power inverter utilizing the multiple-input comparator is also disclosed. The power inverter comprises a power switch driven by a PMW signal, a voltage sampling circuit, an error amplifier and a multiple-input PWM comparator. | 2011-12-29 |
20110316508 | Digital Hybrid V2 Control for Buck Converters - Stabilization of a switching voltage regulator employing V | 2011-12-29 |
20110316509 | Start-up circuit and method thereof - Methods and circuits related to power regulator start-up are disclosed. In one embodiment, a start-up circuit can include: (i) a delay circuit having a resistor and a capacitor, where the capacitor is coupled between ground and a common node; and (ii) a control chip that receives a reference voltage, and includes an input pin coupled to an input source, an output pin supplying power for a device, and a multiplexed pin coupled to the resistor at the common node to receive an enable signal. The start-up circuit outputs an electrical signal at the output pin based on a comparison of a voltage at the multiplexed pin against the reference voltage, and after a delay time determined by the capacitor and the reference voltage. The voltage at the multiplexed pin can increase continuously with a rising slope determined by input current flowing through the multiplexed pin during a start-up process. | 2011-12-29 |
20110316510 | LOAD DRIVE DEVICE - A load drive device capable of expanding a range of an output power by improving a linearity thereof when the output power varies. This device includes an output circuit | 2011-12-29 |
20110316511 | METHOD AND APPARATUS FOR DC-TO-DC CONVERSION - A direct current-to-direct current (‘DC-DC’) converter generates a pulse-width modulated (‘PWM’) control signal, and generates an output voltage from an input voltage as a function of a duty cycle of the PWM control signal. A feed-forward module controls both the duty cycle and a repetition rate of the PWM control signal as regressive functions of the input voltage so as to tend to compensate for variation in the input voltage. | 2011-12-29 |
20110316512 | VOLTAGE TRIMMING - Embodiments are provided that include a memory die, memory devices, and methods, such as those comprising a voltage generator, including an output voltage and an adjustment circuit configured to cause adjustment of the output voltage based on a latch signal. Further one such method includes applying an input voltage to an input of a voltage generator, adjusting the input voltage to an adjusted voltage, comparing the adjusted voltage to a reference voltage, generating trim data based on the comparison and storing the trim data. | 2011-12-29 |
20110316513 | DEVICE AND METHOD FOR SINGLE BOARD ENERGY-SAVING AND SINGLE BOARD - The embodiments of the present invention disclose a single board energy-saving device, which includes: a power calculation module, configured to detect the input current of the single board, and calculate the real-time power of the single board according to the detected input current and a previously measured and obtained input voltage of the single board; a single board energy-saving control module, configured to determine the load condition of the single board according to the real-time power of the single board and send a voltage adjustment command according to the load condition; a power supply adjustment module, configured to receive the voltage adjustment command and adjust the bus voltage of the single board according to the voltage adjustment command. The corresponding embodiments of the present invention also disclose a single board energy-saving method and a single board. Through the foregoing technical solutions, energy-saving is realized for the single board. | 2011-12-29 |
20110316514 | Voltage Converter and Voltage Conversion Method - A voltage converter and a voltage conversion method is disclosed. The voltage converter includes input terminals configured to receive an input voltage. Output terminals are configured to provide an output voltage and an output current. At least one first converter stage is connected between the input terminals and the output terminals, comprising at least one unipolar transistor, and configured to provide a first output current. At least one second converter stage is connected between the input terminals and the output terminals, comprising at least one bipolar transistor, and configured to provide a second output current. A control circuit is configured to control the first output current and the second output current such that there is a first output current range in which the first output current is higher than the second output current. | 2011-12-29 |
20110316515 | OSCILLATION CIRCUIT - An oscillation circuit including a reference voltage generation circuit that adds a proportional-to-absolute-temperature (PTAT) output, which increases in proportion to an absolute temperature, to a complementary-to-absolute-temperature (CTAT) output, which decreases in proportion to an absolute temperature, to generate and output a reference voltage. The oscillation circuit generates an oscillation signal having a desired and fixed frequency. | 2011-12-29 |
20110316516 | Method and apparatus for the remote control of a power source connected to a manually actuated implement - The invention relates to a method and to an apparatus for operating a power source ( | 2011-12-29 |
20110316517 | ELECTRONIC APPARATUS HAVING STAND-BY MODE AND OPERATION METHOD THEREOF - The present invention relates to an electronic apparatus having stand-by mode. The electronic apparatus comprises: a first circuit, comprising an interface and transferring data to an external device; a second circuit, comprising a processor and setting a first power supplying mode of the first circuit; and a third circuit, setting a second circuit power supplying mode of the second circuit and setting a second power supply mode of the first circuit when the second circuit is disabled; wherein the processor selects a first circuit power supplying mode from power supplying modes of a plurality of first circuits as the second power supplying mode before the second circuit is disabled. | 2011-12-29 |
20110316518 | Voltage Regulator and Control Circuit and Method Therefor - The present invention discloses a voltage regulator, and a control circuit and a control method therefor. The method for controlling a voltage regulator comprises: receiving a dynamic voltage identification signal which instructs the voltage regulator to change its output voltage to a target voltage, and generating a compensation signal to shorten an interval for the output voltage of the voltage regulator to reach the target voltage. | 2011-12-29 |
20110316519 | Load Switch - A semiconductor device, circuit, and AC and DC load switch for maintaining a small input-output differential voltage and providing a defined response. The load switch can include a pass element coupled to an input terminal and an output terminal. The pass element can include a control terminal, with the control terminal controlling a response of the pass element. The load switch can include a first loop coupled to the control terminal configured to control a voltage drop between the input terminal and the output terminal while maintaining high impedance with the pass element. The load switch can include a second loop coupled to the control terminal configured to provide a defined filter response from the input terminal. The defined response can be a low pass response, high pass response, or a band pass response. The passband and/or stopband of the response can be programmed. | 2011-12-29 |
20110316520 | Battery Control Circuit - A battery control circuit includes a voltage detection circuit for measuring voltages of electric cells, balancing circuits for balancing the voltages or SOCs of the electric cells, a signal input/output circuit for communicating with the outside, a power supply circuit having two modes: a normal mode and a low consumption mode, and a time management circuit. It receives a signal containing a period of time until the shift of the power supply circuit from the normal mode to the low consumption mode, and stores it in the time management circuit. If a command from the outside has not been sent for a predetermined period of time or when an operation stop command has been sent from the outside, the time management circuit causes the power supply circuit to continuously operate in the normal mode. Then, the battery control circuit monitors an operation continuation period in the normal mode, and causes the power supply circuit to shift to the low consumption mode when the operation continuation period matches the stored period of time. | 2011-12-29 |
20110316521 | VARIABLE ADAPTER ID CIRCUIT - A first resistance ( | 2011-12-29 |
20110316522 | Sensing device - To provide a sensing device that holds a piezoelectric sensor and a channel forming member placed on the sensor in a closely contacted state while maintaining a shape of space of a passage space formed inside the device. In a sensing device | 2011-12-29 |
20110316523 | AVOMETER - An avometer includes a measurement main body. The measurement main body includes a rotary knob for selecting a measurement item, a display, and a navigator. The rotary knob is used for an operator to select one of a current measurement mode, a voltage measurement mode, a resistance measurement mode, and a diode measurement mode before performing an operation. The display is used for displaying information and measured data of the measurement mode selected by the rotary knob. The navigator is used for switching the information of the measurement mode, and displaying the information on the display. | 2011-12-29 |
20110316524 | APPARATUS FOR DIAGNOSING DC-DC CONVERTER AND METHOD THEREOF - A diagnosis device and method of a voltage transformer can include a current transformer disposed at one side of an output port for generating a current variation according to an on/off operation of a power switch element; a first current detector configured to detect a forward direction current from the current transformer; a second current detector configured to detect a reverse direction current from the current transformer; a first voltage transformer configured to transform the forward direction current detected from the first current detector to a forward direction voltage; a second voltage transformer configured to transform the reverse direction current detected from the second current detector to a reverse direction voltage; and a diagnosis portion for comparing the forward direction voltage with the reverse direction voltage to determine whether or not an offset is formed. | 2011-12-29 |
20110316525 | Power transmission monitoring and maintenance systems and methods - Power transmission monitoring systems includes rotation speed sensors mounted to hubs of a power transmission pulley. A sensor comprises a rotation sensing device, and a controller receiving rotation data therefrom and determining rotation speed of the pulley. A transmitter transmits rotational speed of the pulley to a receiver, which may include or be connected to a device that compares the rotational speed to rotational speed in transmissions from other sensors to determine slip in the power transmission system. The rotation speed sensing device may be an accelerometer, or a gravitational torque harvester. A harvester might include a rotor body rotating with the pulley and mounting induction coils, and a gravitational torque stator mounting an induction magnet and including an air vane damper maintaining the stator stationary with respect to the rotor, through air resistance. The transmissions may be employed to monitor, maintain and repair the power transmissions system. | 2011-12-29 |
20110316526 | ARRANGEMENT AND METHOD FOR MEASURING A MAGNETIC MATERIAL IN A REGION OF ACTION - The present invention relates to an arrangement ( | 2011-12-29 |
20110316527 | ENCODER READHEAD - A readhead is provided for reading an absolute scale, optionally a passive magnetic scale, that encodes a series of data bits. The readhead includes a plurality of sensors, such as an array of Hall sensors, for producing a plurality of sensor signals. A plurality of signal combiners are also provided to receive at least two of the sensor signals and produce therefrom a combined sensor signal. A plurality of data bit extractors are arranged to receive at least two combined sensor signals and to determine the value of a data bit encoded in an associated absolute scale. The readhead also comprises an incremental signal generator for generating at least one incremental signal from the combined sensor signals produced by a plurality of the signal combiners. In this manner, both absolute and incremental position is measured. | 2011-12-29 |
20110316528 | POSITION DETECTION DEVICE, TWO-DIMENSIONAL POSITION MEASURING APPARATUS, OPTICAL APPARATUS AND POSITION DETECTION METHOD - A position detection device includes a magnet and a magnetic detector. The magnet includes a first pole, a second pole, a third pole and a fourth pole. The first pole and the second pole are arranged spaced apart from each other and have a same magnetic polarity. The third pole and the fourth pole are arranged spaced apart from each other and have a magnetic polarity different from the magnetic polarity of the first pole and the second pole. The first pole faces the third pole. The second pole faces the fourth pole. The magnetic detector is configured to detect magnetism of the first pole, the second pole, the third pole, and the fourth pole. | 2011-12-29 |
20110316529 | Systems and Methods for Position Tracking Using Magnetoquasistatic Fields - Embodiments of the invention broadly contemplate systems, methods, apparatuses and program products that provide position tracking using a simple, low frequency oscillator that is attached to an object to be tracked, and one or more receiving stations that are placed around the area in which the object moves. Embodiments of the invention enable position tracking of the object using light weight equipment which minimally impacts the object's natural state. | 2011-12-29 |
20110316530 | ROTATION ANGLE DETECTION APPARATUS - In a rotation angle detection apparatus, a signal detected by a magnetoresistive element is digitalized before being subjected to subtraction of the optimum correction parameter therefrom in a subtractor, the optimum correction parameter being stored in advance in a memory. Note that during the initial transmission at the time of activation, the data size “n” of a detection target obtained by a CPU from a control device is transferred to the memory, so that the optimum correction parameter for the data size of the detection target is selected. With the above, the detection unit can relatively readily cope with a request for enlargement or the like of a through hole size made by a machine side, and detection accuracy is not deteriorated and an error in absolute position processing is reduced when the curvature of the detection target is changed. | 2011-12-29 |
20110316531 | DEVICE FOR MEASURING THE DIRECTION AND/OR STRENGTH OF A MAGNETIC FIELD - A device for measuring the direction and/or strength of a magnetic field is described which includes a first sensor for detecting a first component of the magnetic field in a first spatial direction, a second sensor for detecting a second component of the magnetic field in a second spatial direction, and a third sensor for detecting a third component of the magnetic field in a third spatial direction, the first sensor containing at least one Hall sensor and the second and/or third sensors containing at least one fluxgate sensor. | 2011-12-29 |
20110316532 | Screw and method to identify the screw - A screw has a head whose underside has impressions or embossings and faces towards the tip. The underside is divided into at least five sectors of the same size. Three-fifths of the sectors exhibit an identical pattern of impressions or embossings and at least one sector is provided with a different pattern of impressions or embossings or else with no impressions or embossings. | 2011-12-29 |
20110316533 | GMR SENSORS HAVING REDUCED AMR EFFECTS - Embodiments related to giant magneto resistance (GMR) angle sensor layouts having reduced anisotropic magneto resistance (AMR) effects. Embodiments provide GMR angle sensor layouts that reduce or eliminate distortion related to AMR effects, can be more easily scaled up or down, and are more compact to use available surface area more efficiently. | 2011-12-29 |
20110316534 | SIMULTANEOUS DETERMINATION OF BITUMEN AND WATER CONTENT IN OIL SAND AND OIL SAND EXTRACTION PROCESS SAMPLES USING LOW-FIELD TIME-DOMAIN NMR - A method for quantifying bitumen and/or water in a sample comprising bitumen, water and solids using a time-domain nuclear magnetic resonance pulse spectrometer is provided comprising the steps of: initially saturating the magnetization of the sample so that essentially no magnetization remains in the +Z axis; subjecting the sample to a sequence of radio-frequency pulses optimized for the measurement of bitumen and water in the sample; allowing the recording of the transverse relaxation (T | 2011-12-29 |
20110316535 | SHIM COILS AND SHIMMING MINIATURIZED NUCLEAR MAGNETIC RESONANCE MAGNETS - A capillary cartridge assembly for positioning a sample fluid at a geometric center between juxtaposed pole pieces of a NMR magnet assembly for NMR analysis comprises a capillary captured in a channel in a printed circuit board assembly that is sized to fit between the pole pieces. The assembly includes a RF coil surrounding a portion of the capillary. Electric traces shaped to function as shim coils can be included in the printed circuit board. An end of the printed circuit board includes electrically conductive contacts that plug into a receptacle to connect the RF coil and traces to external electrical circuitry when the RF coil is in the geometric center. The capillary can be a continuous flow-through capillary or a closed cartridge. | 2011-12-29 |
20110316536 | RAPID SAMPLE EXCHANGE FOR MINIATURIZED NMR SPECTROMETER - A method is provided for acquiring multiple NMR response signal data in rapid succession for averaging NMR spectral data from a sample. The fluid sample is placed in a capillary that extends through the magnetic field of the NMR spectrometer, including through the center of the magnetic field to place a segment of the sample in the magnetic center. After the sample fluid, initially magnetized by the magnetic field, is activated to emit an NMR pulse signal, the fluid in the capillary is advanced rapidly to put another pre-magnetized segment of the sample fluid in the fluid center, acquiring an NRM pulse signal, and continuing the cycle until a desired number of NMR response data signals from the sample have been acquired. Those response data from multiple acquisitions are then averaged. | 2011-12-29 |
20110316537 | MRI APPARATUS AND MRI METHOD - A magnetic resonance imaging apparatus includes a spectrum acquisition unit and a determining unit. The spectrum acquisition unit acquires a frequency spectrum of magnetic resonance signals from a metabolic product in a target region in an object. The determining unit determines the number of (a) integrations and/or (b) phase encodes of magnetic resonance signals for obtaining the frequency spectrum depending on a factor influencing the frequency spectrum. | 2011-12-29 |
20110316538 | OPENING AND CLOSING MODULE, CONTROL METHOD FOR THE SAME, IMAGING APPARATUS USING THE SAME - An imaging apparatus includes: a rotator having a shape of a perforated circular plate and rotating around a rotating axis of a center of the perforated circular plate; and a supporter having a perforated circular plate and one side of which is connected to one side of the rotator such that the rotator is restricted only to rotation movement. The supporter includes a supporter opening/closing part a part of which is separated along the rotating axis and then rotates by a predetermined angle around the rotating axis, and the rotator includes a rotator opening/closing part a part of which integrally moves with the supporter opening/closing part. | 2011-12-29 |
20110316539 | ANTENNA ARRAY COMPRISING AT LEAST ONE DIPOLE ANTENNA FOR MAGNETIC RESONANCE IMAGING - An antenna array adapted for magnetic resonance imaging, wherein the antenna array comprises at least one antenna element, wherein each antenna element comprises:-a substrate with a first side and a second side, wherein the substrate comprises a dielectric material,-at least one dipole antenna, wherein the dipole antenna is attached to the second side of the substrate, wherein the dipole antenna comprises a first connection adapted for connecting the dipole antenna to a transmission line. | 2011-12-29 |
20110316540 | TRANSMIT/RECEIVE SWITCH FOR A MINIATURIZED NMR DEVICE - A single-pole, double-throw, transmit/receive switch for switching a NMR coil between a transmit mode and a receive mode comprises two diode bridge switches on opposites sides of a node the is common with the two diode bridges and the NMR coil. One of the two diode bridges is positioned between the coil and a preamplifier for signals received from the coil, and the other diode bridge is positioned between the coil and a RF signal transmitter for connecting and disconnecting transmitted signals to and from the coil. The NMR coil is connected to the switches through a resonant impedance matching network. | 2011-12-29 |
20110316541 | Hybrid Induction Balance/Pulse Induction Metal Detector - A new hybrid metal detector combines induction balance and pulse induction technologies. Target signals are generated from a transmitted wave that has both induction balance and pulse current inducing characteristics and uses pertinent sampling of the receive data. Combining the two data sources provides eddy current target identification while excluding ground permeability and remanence obscuration. | 2011-12-29 |
20110316542 | SLOTTED SHIELD FOR LOGGING-WHILE-DRILLING TOOL - An LWD tool with a tubular having a longitudinal axis and a set of co-located antennas carried in a recess on the tubular is disclosed. The tool carries a shield having an open slot configuration and circumferentially surrounds the set of co-located antennas, a first end of the shield being mechanically and electrically connected to the tubular. The tool also includes an insulating ring carried on the tubular, at least a portion of the insulating ring being disposed between the tubular and a second end of the shield. | 2011-12-29 |
20110316543 | METHOD AND CIRCUITS FOR SHORT-CIRCUIT PROTECTION OF LED SYSTEMS - An embodiment of the present invention relates to a method for detection of short circuit conditions in an LED array having one or more LED strings, each of which includes one or more LED devices. The method includes determining a minimum voltage that is the lowest of voltages associated with cathode terminals of the one or more LED strings. The method also includes determining if said minimum voltage is between a lower limit voltage and an upper voltage limit. If said minimum voltage is between the lower limit voltage and the upper voltage limit, then a result of a short circuit testing can be considered valid. Here, the short circuit testing includes comparing a sampled voltage associated with a cathode voltage of one of the LED strings with a short-circuit reference voltage. | 2011-12-29 |
20110316544 | RELAY TEST SYSTEM AND METHOD - A method of testing a relay set which includes mapping a relay set to an undirected graph indicative of a topology of the relay set and includes vertices indicative of channels of the relay set and edges extending between corresponding vertices indicative of relays. Values based on a characteristic of a relay of the relay set that corresponds to the respective edge of the undirected graph are stored. A plurality of candidate test paths for a relay-to-test that each connects a first input/output (I/O) channel and a second I/O channel, and includes the relay-to-test are identified. A total value for the edges of the candidate test paths is determined for each of the candidate test paths. The total values are compared to one another and a test path is determined for the relay-to-test based on the comparison. | 2011-12-29 |
20110316545 | Electronic Detection of Signatures - A method is described for retrieving, by a test system, a formation profile associated with the storage cell, the formation profile comprising one or more formation segments, with a formation segment comprising an action to be performed upon a detection of a signature value; measuring, by the test system, a value of a parameter of the formation segment; detecting, based on a comparison between the value of the parameter and one or more signatures associated with the formation segment, that the value of the parameter comprises the signature value; and performing the action specified in the formation segment. | 2011-12-29 |
20110316546 | Zero Insertion Force Scrubbing Contact - A contact assembly is described for testing a storage cell with a probe configured to flex in an outward direction, in response to a vertical application of force, to scrub a tab on the storage cell at a zero insertion force. The contact assembly comprises a contact structure configured to flex in an outward direction to scrub and to pierce a tab of the storage cell; a board, wherein a juxtaposition of the board to the contact structure defines an opening configured to receive the tab of the storage cell; and a device configured to move the contact structure, to a position in which the opening is closed, to cause the contact structure to scrub and to pierce the tab on the storage cell. | 2011-12-29 |
20110316547 | DETERMINING THE STATE OF-CHARGE OF BATTERIES VIA SELECTIVE SAMPLING OF EXTRAPOLATED OPEN CIRCUIT VOLTAGE - A method for estimating the state-of-charge of a battery. The method includes collecting a plurality of voltage measurements during operation of the system containing the battery and determining a time-constant of relaxation and an open-circuit voltage corresponding to the battery based, at least in part, on the voltage measurements. The method further includes estimating the state-of-charge of the battery based, at least in part, on the open-circuit voltage. | 2011-12-29 |
20110316548 | Method and Circuitry to Calculate the State of Charge of a Battery/Cell - The present inventions, in one aspect, are directed to techniques and/or circuitry to determine the state of charge of a battery/cell using data which is representative of a partial relaxation time of the battery/cell. In another aspect the present inventions are directed to techniques and/or circuitry to determine the state of charge of a battery/cell using data which is representative of an overpotential or full relaxation time of the battery/cell. In yet another aspect the present inventions are directed to techniques and/or circuitry to adaptively charge a battery/cell using data which is representative of a state of charge of the battery/cell. | 2011-12-29 |
20110316549 | A POWER CELL SYSTEM WITH MEANS FOR DETECTING A DISCONTINUITY - A power cell system such as a fuel cell system, with apparatus for detecting a discontinuity. A power cell system, e.g. a fuel cell system, includes a plurality of power cells, e.g. fuel cells and plurality of first resistances, the plurality of power cells and first resistances being connected in the form of a ladder circuit, and electronic filters each having a first connection to a first node between two of the first resistances, each electronic filter having a second resistance and a charge storage device connected to the second resistance. | 2011-12-29 |
20110316550 | ION ANALYZING APPARATUS AND ION ANALYZING METHOD - An ion analyzing apparatus includes a sensor; a counter electrode having openings, the counter electrode being positioned so as to substantially surround the sensor; and a bias generating circuit coupled to the sensor, wherein the sensor includes quartz crystal and a pair of electrodes positioned on surface of the quartz crystal, and one of the pair of electrodes is coupled to the bias generating circuit. | 2011-12-29 |
20110316551 | Discharge Ionization Current Detector - A technique for reducing an electromagnetic noise entering an electrode or a drift of a signal due to a fluctuation in the ambient temperature is provided to improve the S/N ratio of a signal originating from a component of interest. A dummy electrode | 2011-12-29 |
20110316552 | Discharge Ionization Current Detector - A discharge ionization current detector using a low-frequency barrier discharge is provided to improve the linearity of detection sensitivity with respect to a sample introduction amount. From a lower end of a lower gas passage | 2011-12-29 |
20110316553 | ABNORMALITY DETECTION SYSTEM - The abnormality detection system is provided for detecting an abnormality of an object. The abnormality detection system includes a high-frequency power source, a primary coil, a secondary coil and a controller. The high-frequency power source supplies power. The primary coil receives the power supplied from the high-frequency power source. The secondary coil is mounted to the object in noncontact with the primary coil for receiving power supplied from the primary coil. The controller is operable to detect the power received by the secondary coil and also to determine whether or not an abnormality is present in the object based on the detected power. | 2011-12-29 |
20110316554 | SWITCHING APPARATUS AND TEST APPARATUS - To perform a forcible disconnection when voltage outside a reference range is applied to a terminal, provided is a switching apparatus comprising a main switch provided between a first terminal and a second terminal; a voltage detection section that detects whether voltage of the second terminal is within a reference range; and a control section that controls the main switch according to a control signal received from a control terminal and turns OFF the main switch when the voltage of the second terminal is outside the reference range. The voltage detection section includes a detection switch that disconnects the second terminal and the control section from each other when the voltage of the second terminal is within the reference range and connects the second terminal and the control section to each other when the voltage of the second terminal is outside the reference range. | 2011-12-29 |
20110316555 | SIGNAL INTEGRITY TEST SYSTEM AND METHOD - A signal integrity test system and method uses an oscilloscope to test a signal on each test point of a transmission line, obtains test parameter values of the signal on each test point, and compares the test parameter values with preset standard values. If any test parameter value does not match a corresponding preset standard value, a time-domain reflectometer is used to test an impedance value of the test point. If the impedance value matches a standard impedance value of the transmission line, the system and method determines the signal on the test point satisfies integrity requirements. | 2011-12-29 |
20110316556 | CALIBRATING A CHANNEL OF A TEST SYSTEM - Circuitry includes a circuit path that corresponds to a channel of system for testing a device, an element in the circuit path, a first device to measure an electrical parameter associated with the element, a second device to obtain an error signal associated with the channel, and a feedback path electrically connected to the second device to pass the error signal or another signal. | 2011-12-29 |
20110316557 | TEST APPARATUS AND TEST METHOD - A test apparatus that tests a device under test, comprising a signal output section that outputs a test signal for testing the device under test; a signal acquiring section that acquires a device signal output by the device under test; and an adjusting section that adjusts a signal output timing at which the signal output section outputs the test signal, according to a delay caused by a transmission path that connects the signal output section and the signal acquiring section to the device under test. The adjusting section includes a rising edge adjusting section that adjusts the signal output timing of a rising edge of the test signal based on a timing at which the signal acquiring section acquires a rising edge of a reflected signal resulting from a rising edge of an adjustment test signal output from the signal output section being reflected at an end of the transmission path on the device under test side; and a falling edge adjusting section that adjusts the signal output timing of a falling edge of the test signal based on a timing at which the signal acquiring section acquires a falling edge of a reflected signal resulting from a falling edge of the adjustment test signal output from the signal output section being reflected at the end of the transmission path on the device under test side. | 2011-12-29 |
20110316558 | CIRCUIT SYSTEM AND METHOD FOR EVALUATING A SENSOR - A circuit system for evaluating a sensor, wherein the circuit system comprises two complex impedances ( | 2011-12-29 |
20110316559 | METHOD FOR TESTING A POWER DISTRIBUTION SYSTEM AND A POWER DISTRIBUTION SYSTEM ANALYZER DEVICE - A method and analyzer device are provided for testing a power distribution system of a power supply network. A first electrical signal is transmitted into the power distribution system to be tested, the first electrical signal is propagated along the power distribution system to be tested, and a second electrical signal, which is a portion of the first electrical signal reflected within the power distribution system, is received. A signal variation parameter is measured between the first electrical signal and the second electrical signal, and a location of a critical conducting section within the power supply network is obtained from the measured signal variation parameter. A maximum load rating of the critical conducting section is determined, and a control signal for controlling the power supply network such that the power transferred on the critical conducting section does not exceed the maximum load rating. | 2011-12-29 |
20110316560 | REMOTE SENSOR DEVICE - A self-oscillating remote sensor device includes a delay-line sensor system having at least one delay-line and at least one sensor element. The device also includes an oscillator control circuitry, and a frequency selection impedance connecting the delay-line sensor system and the oscillator control circuitry and presenting an impedance to the delay-line sensor system. The oscillator control circuitry includes an amplifier, a non linear amplitude control element (N-LACE) such as an active device with a negative differential conductance that provides an output whose amplitude has a negative second derivative with respect to an input signal, and a driver. Such a device permits successful interaction between electrical sensors and controlling (driving) electronics over long distances without the problems normally encountered when a delay-line is presented between an electrical sensor and its driver electronics. | 2011-12-29 |
20110316561 | SYSTEMS, METHODS, APPARATUS AND COMPUTER READABLE MEDIUMS FOR USE ASSOCIATION WITH SYSTEMS HAVING INTERFERENCE - In some embodiments, a method includes characterizing a plurality of channels, each of the plurality of channels being a channel between a location and a respective one of the plurality of communication interfaces; for each of the plurality of communication interfaces, supplying signals to the communication interface and detecting interference that occurs at the location as a result of emissions radiated from the plurality of communication interface while the signals are supplied thereto; for each of the plurality of communication interfaces, determining an estimate of interference that would occur at the location as a result of emissions radiated from the communication interface while the signals are supplied thereto, based at least in part on the characterization of the channel between the location and the communication interface; and for each of the plurality of communication interfaces, comparing the estimate of interference that would occur at the location to the detected interference that occurs at the location. | 2011-12-29 |
20110316562 | DISPLACEMENT SENSOR - A linear capacitance displacement transducer ( | 2011-12-29 |
20110316563 | Capacitance Measurement Validation for Biomass Measurement Instruments - A system for validating capacitance measurement characteristics for a biomass measurement device (probe), is disclosed in which a test chamber for contains a test liquid medium, and a docking arrangement enables the measurement device to be disposed in the test medium in the chamber to measure the capacitance of the medium at a measurement zone in the chamber. A capacitive agent or structure (such as a capacitive device) is positioned in the test medium in the test chamber in a predetermined manner in order to provide a permittivity at the test zone which is different to the permittivity of the media without the capacitive agent or structure present. | 2011-12-29 |
20110316564 | Salinity measuring apparatus - A salinity measuring apparatus to determine salinity of food includes a salinity sensing unit including a pair of measuring electrodes and a capacitor, a switching unit to switch a voltage of the capacitor of the salinity sensing unit, and a control unit to provide a pulse signal with a constant frequency to the switching unit and to determine the salinity of the food which is in contact with the measuring electrodes of the salinity sensing unit based on when the voltage of the capacitor reaches a reference voltage. By providing the pulse signal with the constant frequency to the switching unit, it is possible to minimize the internal impedance variation of the capacitor and to more accurately measure the salinity of the food. Since a period when the voltage of the capacitor is substantially “0” is present, it is possible to minimize accumulation of ions in the measuring electrodes. | 2011-12-29 |
20110316565 | SCHOTTKY JUNCTION SI NANOWIRE FIELD-EFFECT BIO-SENSOR/MOLECULE DETECTOR - A Schottky junction silicon nanowire field-effect biosensor/molecule detector with a nanowire thickness of 10 nanometer or less and an aligned source/drain workfunction for increased sensitivity. The nanowire channel is coated with a surface treatment to which a molecule of interest absorbs, which modulates the conductivity of the channel between the Schottky junctions sufficiently to qualitatively and quantitatively measure the presence and amount of the molecule. | 2011-12-29 |
20110316566 | APPARATUS AND METHOD FOR DIGITISING IMPEDANCE - An apparatus for digitising an impedance is provided that comprises a first impedance element having a first impedance that varies with a property to be measured and a second impedance element having a second impedance. The apparatus also includes a drive signal generator for applying a first alternating drive signal to the first impedance element and a second alternating drive signal to the second impedance element. An analogue-to-digital converter, ADC, receives a resultant signal comprising the combination of the signals produced by the application of the first and second alternating drive signals to the first and second impedance elements. The first alternating drive signal is phase shifted relative to the second alternating drive signal such that the resultant signal received and sampled by the ADC sequentially relates to the sum of, and the difference between, the first and second impedances. The apparatus also comprises a signal separator that receives sample values from the ADC and generates a sum channel and a difference channel therefrom. | 2011-12-29 |
20110316567 | Lattice Structure for Capacitance Sensing Electrodes - One embodiment of a capacitive sensor array may comprise a first plurality of sensor elements and a second sensor element comprising a main trace, where the main trace intersects each of the first plurality of sensor elements to form a plurality of intersections. A unit cell may be associated with each of the intersections, and each unit cell may designate a set of locations nearest to the corresponding intersection. A contiguous section of the main trace may cross at least one of the plurality of unit cells. Within each unit cell, the second sensor element may comprise at least one primary subtrace branching away from the main trace. | 2011-12-29 |
20110316568 | DETECTOR STATE MONITORING SYSTEM AND A PORTABLE DETECTOR INCLUDING SAME - A portable imaging detector and a method for operating the portable imaging detector are provided. The portable imaging detector includes a docking connector having a plurality of docking connector contacts. The method includes measuring a voltage at a first docking connector contact, and determining whether the portable detector is (i) operating in a digital cassette mode or is (ii) installed in either a cassette holder or a charging bin using the measured voltage. A detector state monitoring system is also discussed. | 2011-12-29 |
20110316569 | Digital Interface for Fast, Inline, Statistical Characterization of Process, MOS Device and Circuit Variations - A Circuit architecture and a method for rapid and accurate statistical characterization of the variations in the electrical characteristics of CMOS process structures, MOS devices and Circuit parameters is provided. The proposed circuit architecture and method enables a statistical characterization throughput of <1 ms/DC sweep at <2 mV or <1 nA resolution accuracy of variations in voltage or current of the device under test. Salient features of proposed circuit architecture include a programmable ramp voltage generator that stimulates the device under test, a dual input 9-11 bit cyclic ADC that captures input and output DC voltage/current signals to/from the device under test, a 2 Kb latch bank that captures 9-11 bit streams for each measurement point in a DC sweep of programmable granularity and a clocking and control scheme that enables continuous measurement and stream out of digital data blocks from which the analog characteristics of the devices under test are reconstructed post measurement. | 2011-12-29 |
20110316570 | MANIPULATOR OF ROBOT - An exemplary manipulator of a robot includes a detecting bar including two detecting pins and a regulating mechanism for regulating the distance between the two detecting pins, a fastening seat supporting the detecting bar, a fixing device fixed to the fastening seat, a driving mechanism disposed on the fastening seat, and an adjusting element connecting the driving mechanism with the regulating mechanism of the detecting bar. Under a driving action of the driving mechanism on the adjusting element, the adjusting element rotates to cause the regulating mechanism of the detecting bar to regulate the distance between the two detecting pins. | 2011-12-29 |
20110316571 | SEMICONDUCTOR WAFER TEST APPARATUS - An apparatus includes a plurality of test heads to which probe cards are electrically connected; a wafer tray which is able to hold a semiconductor wafer; and an alignment apparatus which positions the semiconductor wafer held on the wafer tray relatively with respect to the probe card so as to make the wafer tray face the probe card. The wafer tray has a pressure reducing mechanism which pulls the wafer tray toward the probe card. The alignment apparatus is configured to be able to move along the array direction of the test heads. | 2011-12-29 |
20110316572 | TESTING DIE-TO-DIE BONDING AND REWORK - A method of testing a multi-die integrated circuit (IC) can include testing an inter-die connection of the multi-die IC. The inter-die connection can include a micro-bump coupling a first die to a second die. The method can include detecting whether a fault occurs during testing of the inter-die connection. Responsive to detecting the fault, the multi-die integrated circuit can be designated as including a faulty inter-die connection. Also described is an integrated circuit that includes a first die, a second die on which the first die may be disposed, a plurality of inter-die connections coupling the first die to the second die, and a plurality of probe pads, where each probe pad is coupled to at least one of the inter-die connections. | 2011-12-29 |
20110316573 | LOADING CARD - A loading card includes a printed circuit board, first and second connection portions. The first connection portion includes first and second voltage pins, and a first ground pin. The second connection portion includes third and fourth voltage pins, and a second ground pin. The loading card also includes a first voltage signal test point connected to the first and third voltage pins, a second voltage signal test point connected to the second and fourth voltage pins, a first ground signal test point connected to the first and second ground signal test points, and a second ground signal test point connected to the first and second ground signal test points. | 2011-12-29 |
20110316574 | PROBER FOR TESTING DEVICES IN A REPEAT STRUCTURE ON A SUBSTRATE - A prober for testing devices in a repeat structure on a substrate is provided with a probe holder plate, probe holders mounted on the plate, and a test probe associated with each holder. Each test probe is displaceable via a manipulator connected to a probe holder, and a substrate carrier fixedly supports the substrate. Testing of devices, which are situated in a repeat structure on a substrate, in sequence without a substrate movement and avoiding individual manipulation of the test probes in relation to the contact islands on the devices, is achieved in that the probe holders are fastened on a shared probe holder plate and the probe holder plate is moved in relation to the test substrate. | 2011-12-29 |
20110316575 | PIN ELECTRONICS CIRCUIT - An I/O pin is connected to a DUT via a transmission line. A driver generates a test signal to be supplied to the DUT. A driver-side switch and an output resistor are arranged in series between the driver and the I/O pin. A comparator is arranged such that the input terminal thereof is connected to the I/O pin, and configured to judge the level of a signal output from the DUT. A short-circuit switch is arranged between the I/O pin and the ground terminal. | 2011-12-29 |
20110316576 | Probe Card - Disclosed is a probe card including: a circuit board; a supporting plate installed below the circuit board and supporting a plurality of contact members contacting a subject to be inspected during inspection; an elastic member installed below the circuit board and above the supporting plate and having flexibility with gas filled therein, and applying a predetermined contact pressure to the plurality of contact members when the plurality of contact members contact the subject to be inspected; and a conductive section placed in the elastic member and electrically connecting the circuit board and the contact members during inspection, and the conductive section includes a conductive layer that includes an insulating layer having flexibility and a wiring layer formed on the insulating layer. | 2011-12-29 |
20110316577 | SYSTEM FOR TESTING AN INTEGRATED CIRCUIT OF A DEVICE AND ITS METHOD OF USE - A method of testing an integrated circuit of a device is described. Air is allowed through a fluid line to modify a size of a volume defined between the first and second components of an actuator to move a contactor support structure relative to the apparatus and urge terminals on the contactor support structure against contacts on the device. Air is automatically released from the fluid line through a pressure relief valve when a pressure of the air in the fluid line reaches a predetermined value. The holder is moved relative to the apparatus frame to disengage the terminals from the contacts while maintaining the first and second components of the actuator in a substantially stationary relationship with one another. A connecting arrangement is provided including first and second connecting pieces with complementary interengaging formations that restricts movement of the contactor substrate relative to the distribution board substrate in a tangential direction. | 2011-12-29 |
20110316578 | CHARACTERISTIC MEASURING DEVICE FOR SOLAR CELL - A solar cell characteristic measuring device measures the output characteristics of a solar cell while avoiding junction capacitance. The device provides a solar cell load circuit by connecting the solar cell with an electronic load device setting a load current or voltage variably, and a measurement circuit connecting voltage and current detectors with the load. An operation point control element divides the magnitude of the load, taken from the solar cell, of the electronic load device into a plurality ranging from states of opening to short-circuiting, while driving the load device in the load circuit periodically and intermittently, changing the load magnitude stepwise and controlling the operation point of the solar cell, and a processing element reading and processing the detected values of the voltage and current detectors at each drive period of the electronic load device and for the period of the stable output voltage of the solar cell. | 2011-12-29 |
20110316579 | LED CHIP TESTING DEVICE - The present invention provides an LED chip testing device that measures characteristics of an LED chip. | 2011-12-29 |
20110316580 | METHOD AND APPARATUS FOR DYNAMIC MEMORY TERMINATION - Described herein are a method and an apparatus for dynamically switching between one or more finite termination impedance value settings to a memory input-output (I/O) interface of a memory in response to a termination signal level. The method comprises: setting a first termination impedance value setting for a termination unit of an input-output (I/O) interface of a memory; assigning the first termination impedance value setting to the termination unit when the memory is not being accessed; and switching from the first termination impedance value setting to a second termination impedance value setting in response to a termination signal level. | 2011-12-29 |
20110316581 | SEMICONDUCTOR DEVICE WITH BUS CONNECTION CIRCUIT AND METHOD OF MAKING BUS CONNECTION - A semiconductor device capable of achieving desirable communication behavior through a bus regardless of whether or not a pull-up resistor is connected on a bus line. The semiconductor device includes external pull-up determination unit and internal pull-up setting unit. The external pull-up determination unit applies a pull-down voltage through an internal pull-down resistor to the bus line, and determines whether an external pull-up resistor external to the semiconductor device is connected on the bus line on the basis of the voltage level of the bus line when the pull-down voltage is applied to the bus line. The internal pull-up setting unit stops application of the pull-down voltage, and applies a pull-up voltage through an internal pull-up resistor to the bus line if it is determined that no external pull-up resistor is connected on the bus line. The internal pull-up setting unit stops application of the pull-down voltage if it is determined that the external pull-up resistor is connected on the bus line. | 2011-12-29 |