49th week of 2014 patent applcation highlights part 23 |
Patent application number | Title | Published |
20140354225 | NON-CONTACT POWER TRANSMISSION DEVICE - A non-contact power transmission device, comprising a washbasin including a primary coil, and an electric toothbrush including a secondary coil. A central door includes a third relay coil that relays the flow of magnetic flux from the primary coil to the secondary coil. The position of the third relay coil relative to the primary coil changes as a result of the opening and closing of the central door. | 2014-12-04 |
20140354226 | WIRELESS DOCKING LINK BUDGET OPTIMIZATION SYSTEM - A wireless docking station ( | 2014-12-04 |
20140354227 | Optimizing Vehicle Recharging to Limit Use of Electricity Generated from Non-Renewable Sources - Implementations of the present invention contemplate using the communication infrastructure represented by a network of telematics units communicatively coupled to a telematics service provider (TSP) to implement procedures designed to curtail the load placed on electricity suppliers by electric vehicles during periods of critically high demand for electricity. The present invention contemplates monitoring charging related information for multiple electric vehicles through the telematics units in those vehicles. The invention further contemplates a request from an energy utility for a response to a critically high demand for electricity and the execution of a demand response program (DRP). The DRPs involve aggregating information from a fleet of the electrically powered vehicles, processing the aggregated information, and issuing instructions to one or more vehicles in the fleet that cause the one or more vehicles to reduce the load they are placing on electricity suppliers through their charging activities. | 2014-12-04 |
20140354228 | Optimizing Vehicle Recharging to Maximize Use of Energy Generated from Particular Identified Sources - Implementations of the present invention contemplate utilizing a communicative infrastructure represented by a telematics unit of an electric vehicle and a telematics service provider (TSP) communicatively coupled to the telematics unit to control an amount of power reserved for a charging event of the vehicle. Specifically, the TSP utilizes information provided by the telematics unit, electrical power utilities, and electrical power metering devices to determine the characteristics of electrical energy available for charging the vehicle. The TSP can utilize the characteristics of the available energy along with additional information, such as charging preferences established by a subscriber of the TSP and vehicle use schedules, to determine an amount of power to reserve for the charging event. The amount of power reserved for the charging event may be determined based on cost, greenhouse gas emissions, a combination thereof, and on other factors. | 2014-12-04 |
20140354229 | ELECTRIC VEHICLE CHARGING STATION - A vehicle charging station includes a track configured to extend across a plurality of vehicle parking spaces and a movable charging apparatus supported by the track. The movable charging apparatus is translatable along the track between the plurality of vehicle parking spaces to charge one or more vehicles. The movable charging apparatus includes a base slidably coupled with the track, an end effector in mechanical communication with the base and configured to electrically couple with an electric vehicle disposed within one of the plurality of vehicle parking spaces, and a power delivery circuit configured to receive an electrical charge from a power source and to controllably provide the electrical charge to the electric vehicle. | 2014-12-04 |
20140354230 | VEHICLE HAVING A BATTERY-POWERED DRIVE ASSEMBLY - In a vehicle having a battery-powered drive assembly, the charging socket for recharging the battery can be closed by a flap connected to the central locking system of the vehicle. When the charging plug is removed from the charging socket, the lock of the flap is temporarily opened by the control device of the central locking system, such that said flap can be moved into the lockable closed position and is then locked automatically. | 2014-12-04 |
20140354231 | EFFICIENT ELECTRONIC CIGARETTE CHARGING DEVICE AND METHOD FOR USING THE SAME - An efficient electronic cigarette charging device and a method for efficiently charging an electronic cigarette are provided, the device comprises an electronic cigarette case and a battery rod, the battery rod includes a charging management unit and an electronic cigarette battery unit, the electronic cigarette case includes an electronic cigarette case battery unit, a current sample unit, a micro-control unit and a adjustable voltage output unit, the current sample unit is configured to sample actual charging current the charging management unit to the electronic cigarette battery, and the micro-control unit is configured to compare the actual charging current with default battery constant charging current, and further control the adjustable voltage output unit to adjust the charging voltage output. | 2014-12-04 |
20140354232 | ACCUMULATOR BATTERY PROTECTED AGAINST INTERNAL SHORT CIRCUITS - An accumulator battery, comprising at least: first and second stages electrically connected in series, each stage including at least first to third accumulators electrically connected in parallel. There are at least first and second current limiters via which the first to third accumulators of said first stage are connected in parallel and via which the first to third accumulators of said second stage are connected in parallel. | 2014-12-04 |
20140354233 | DEVICES FOR TESTING A BATTERY AND METHODS FOR TESTING A BATTERY - In various embodiments, a device for testing a battery may be provided. The device for testing a battery may include: a determination circuit configured to determine at least one of a differential enthalpy of the battery and a differential entropy of the battery; and an evaluation circuit configured to evaluate a health state of the battery based on the determined at least one of the differential enthalpy and the differential entropy. | 2014-12-04 |
20140354234 | CONTROL, PROTECTION AND POWER MANAGEMENT SYSTEM FOR AN ENERGY STORAGE SYSTEM - A control, protection and power management system for an energy storage system, comprises an interface configured to communicate and provide energy exchange with a host power system, a local load, and the energy storage system, and processing structure configured to receive signals from the host power system and the energy storage system, to determine a mode of operation of the energy storage system and to provide control, protection and power management to the energy storage system. | 2014-12-04 |
20140354235 | EMBEDDED DEVICE FOR CONTROLLING COMMUNICATION WITH VEHICLE AND METHOD FOR ACTUATING SAME - A device for controlling communication with a vehicle, which is embedded inside an electric vehicle, collects battery information with respect to a battery of the electric vehicle, and receives power policy information from a power supply facility. The device for controlling communication decides available options for charging the battery of the electric vehicle on the basis of the battery information and the power policy information. The device for controlling communication controls the charging of the battery of the electric vehicle according to the available options. | 2014-12-04 |
20140354236 | BATTERY MANAGEMENT SYSTEM AND DRIVING METHOD THEREOF - A battery management system (BMS) includes a first switch, a master BMS, and a slave BMS. The first switch is coupled to a charging and discharging path of a battery pack, which includes at least one battery cell. The master BMS is electrically coupled to the first switch to control operation of the first switch. The slave BMS obtains information of the battery pack, determines a status of the battery pack based on the information, and controls operation of the first switch based on the status of the battery pack. | 2014-12-04 |
20140354237 | APPARATUS, SYSTEM AND METHOD FOR CHARGE BALANCING OF INDIVIDUAL JARS IN A STRING USING JAR VOLTAGE AND TEMPERATURE, AND DETECTING AND PREVENTING THERMAL RUNAWAY - Implementations of the present disclosure involve a system and method for load balancing a string of jars. The temperature and voltage of each jar is measured and a target voltage for the jar is set based on the measured temperature. A current is supplied to the jar in order to maintain, increase, or decrease the jar's voltage. | 2014-12-04 |
20140354238 | System for Battery Management and Protection - The present disclosure is directed to a system for battery management and protection. A battery protection circuit may include a power semiconductor switch and a control integrated circuit (IC). The battery protection circuit may be configured to regulate the charging and/or discharging of a battery and further prevent the battery from operating outside of a safe operating area based on a protection trip point (e.g. overcurrent detection point) of the protection IC. The protection IC may be configured to calibrate a protection trip point so as to compensate for process and temperature variations of on resistance (RSSon) of the power semiconductor switch. | 2014-12-04 |
20140354239 | CHARGE AND DISCHARGE CONTROL METHOD, CHARGE AND DISCHARGE CONTROL SYSTEM, AND CHARGE AND DISCHARGE CONTROL APPARATUS - A charge or discharge control method includes: receiving a power instruction value with respect to a power storage apparatus; obtaining a remaining state of charge (SOC) and a target SOC which is a target value of the SOC of the power storage apparatus; controlling charge or discharge of the power storage apparatus according to the power instruction value when the power instruction value is received; wherein, in the controlling, a delay time is determined according to a difference between the target SOC and the remaining SOC, and the power storage apparatus is controlled according to the power instruction value at a timing when the delay time passes after the power instruction value is received. | 2014-12-04 |
20140354240 | ELECTRIC AUTOMOBILE AND DISCHARGING DEVICE THEREOF - A discharging apparatus for an electric vehicle and an electric vehicle are provided. The discharging apparatus comprises: an AC charging interface, connected with a charging pile and configured to transmit an AC to a power grid via the charging pile; an instrument, configured to send a discharging preparation instruction; a controller, configured to detect whether the AC charging interface is connected with the charging pile after receiving the discharging preparation instruction, and to detect whether there is a PWM wave with a predetermined voltage in the controller, and if there is a PWM wave with a predetermined voltage in the controller, to switch to an external discharging mode; a battery manager, configured to control an external discharging circuit in a high-voltage distribution box of the electric vehicle to be connected after the controller switches to the external discharging mode; a power battery, connected with the high-voltage distribution box. | 2014-12-04 |
20140354241 | SYSTEMS AND METHODS FOR INITIALIZING A CHARGING SYSTEM - Systems and methods are provided for charging a battery. The system, for example, includes, but is not limited to a first interface configured to receive a voltage from an AC voltage source, a matrix conversion module comprising a plurality of switches electrically connected to the first interface and configured to provide a charging voltage to the battery, and a controller communicatively connected to the matrix conversion module, wherein the controller is configured to: determine a voltage of the battery, determine an angle of the AC voltage source to initiate charging of the battery based upon the voltage of the battery, and control the plurality of switches to provide the charging voltage to the battery between the determined angle of the AC voltage source and a subsequent zero-crossing of the AC voltage source. | 2014-12-04 |
20140354242 | DEVICE AND CHARGE CONTROL METHOD - According to one embodiment, an electronic device includes a controller and a charging circuit. The controller is configured to perform power management of the electronic device. The controller is configured to detect that a battery is in an overvoltage state if conditions that the battery is being charged, a charging current value of the battery acquired from a first IC is not greater than a first threshold, and power usable by the charging circuit to charge the battery is unrestricted are satisfied, and to stop charging of the battery by a charging circuit in response to detection of the overvoltage state of the battery. | 2014-12-04 |
20140354243 | Modified Halbach Array Generator - A generator is provided having a first array of magnets and a second array of magnets. The first array is typically disposed in a first elongated Halbach configuration and the second array of magnets is disposed in a second configuration. The first and second arrays are configured to manipulate a net flux field to form a figure eight flux field between the first and second arrays. At least one coil disposed between the first and second arrays, such that relative movement of the first and second arrays with respect to the first coil generates an electric current. | 2014-12-04 |
20140354244 | CONNECTION FOR IMPROVED CURRENT BALANCING IN A PARALLEL BRIDGE POWER CONVERTER - A power generation system may include a generator and a power converter coupled to the generator. The power converter may include a plurality of bridge circuits coupled in parallel. Each bridge circuit may be coupled to an inductor. In addition, the power converter may include a plurality of parallel shorting devices. The shorting devices may be coupled to the bridge circuits such that an impedance of the inductors is effectively coupled between the shorting devices and the generator. | 2014-12-04 |
20140354245 | SYSTEM, A METHOD AND A COMPUTER PROGRAM PRODUCT FOR CONTROLLING ELECTRIC POWER SUPPLY - A method for controlling electric power supply, the method comprising: (a) controllably down converting by a step-down power converter entry voltage from a power source and preventing up-conversion by a step-up power converter, substantially when the entry voltage is larger than a measured exit voltage and is in compliance with a first criterion that is based on the entry voltage and on the measured exit voltage; wherein the measured exit voltage is measured at an exit of both step-up power converter and the step-down power converter; and (b) controllably up converting by the step-up power converter the entry voltage and preventing down-conversion by the step-down power converter, substantially when the entry voltage is lower than the measured exit voltage and is in compliance with a second criterion that is based on the entry voltage and on the measured exit voltage. | 2014-12-04 |
20140354246 | BRIDGELESS PFC POWER CONVERTER WITH HIGH EFFICIENCY - A bridgeless PFC boost converter has two auxiliary transistor switches coupled to an input AC voltage source and two boost inductors coupled to opposing ends of the input AC voltage source. A first boost inductor is coupled to a junction node of a first rectifying diode and a first transistor switch coupled in series. A second boost inductors is coupled to a junction node of a second rectifying diode and a second transistor switch coupled in series. The rectifying diodes are commonly coupled to an output capacitor, and the transistor switches are commonly coupled to a second node of the output capacitor. A first auxiliary transistor switch is commonly coupled with the first boost inductor and to a first node of the input AC voltage source. A second auxiliary transistor switch is commonly coupled with the second boost inductor and to a second node of the input AC voltage source. | 2014-12-04 |
20140354247 | BRIDGELESS PFC POWER CONVERTER WITH REDUCED EMI NOISE - A bridgeless PFC boost converter has either a single switching cell or two identical switching cells configured to operate 180 degrees out of phase. A switching cell includes first and second transistor switches coupled to opposing ends of an input AC voltage source, and first and second rectifying diodes, one rectifying diode coupled in series to each of the two transistor switches. A boost inductor is coupled to a junction node between each transistor switch and rectifying diode series. Either a third rectifying diode or a third transistor switch is coupled to a junction node between the input AC voltage source and the first transistor switch. Either a fourth rectifying diode or a fourth transistor switch is coupled to a junction node between the input AC voltage source and the second transistor switch. The rectifying diodes are coupled an output capacitor. Two switching cells can be interleaved. | 2014-12-04 |
20140354248 | METHOD FOR CONTROLLING MULTILEVEL CONVERTER - The present disclosure provides a method for controlling a multilevel converter, the method including, detecting modulation state values and current directions of sub-modules, and designating, by one sub-module, an average number of switching for each period of an output waveform, wherein the step of designating the average number of switching includes, grouping the sub-modules according to being in ON state or in OFF state, comparing the number of sub-modules in previous ON state and the number of sub-modules in OFF state to obtain a difference therebetween, and changing a state as much as the difference, comparing a sub-module of ON state in charged state and in discharged state with a sub-module of OFF state, and changing the compared states of sub-modules of ON state and OFF state. | 2014-12-04 |
20140354249 | VOLTAGE REGULATOR - Provided is a voltage regulator having satisfactory transient response characteristics. The voltage regulator includes: a first amplifier for detecting that undershoot occurs in an output voltage; a second amplifier for detecting that overshoot occurs in the output voltage; a first constant current circuit for increasing a bias current of an error amplifier circuit by a first amount for a first time period in response to a signal determined based on one of an output signal of the first amplifier and an output signal of the second amplifier; a second constant current circuit for increasing the bias current of the error amplifier circuit by a second amount larger than the first amount for a second time period shorter than the first time period in response to a signal determined based on the output signal of the first amplifier; and a first switch circuit for pulling up a gate of an output transistor in response to a signal determined based on the output signal of the second amplifier. | 2014-12-04 |
20140354250 | HIGH EFFICIENT CONTROL CIRCUIT FOR BUCK-BOOST CONVERTERS AND CONTROL METHOD THEREOF - A controller used in a buck-boost converter includes a clock generator, an error amplifying circuit, a comparing circuit, a proportional sampling circuit, a logic circuit, a pulse width increasing circuit, first and second driving circuits. Based on a clock signal generated by the clock generator, the proportional sampling circuit samples the difference between a current sensing signal and a compensation signal generated by the error amplifying circuit, and generates a proportional sampling signal. The pulse width increasing circuit generates a sum control signal based on the proportional sampling signal and a logic control signal generated by the logic circuit, wherein a modulation value adjusted by the proportional sampling signal is added to the pulse width of the logic control signal to generate the pulse width of the sum control signal. The first and second driving circuits generate driving signals based on the sum control signal and the logic control signal. | 2014-12-04 |
20140354251 | MULTIPLE OUTPUT DUAL-POLARITY BOOST CONVERTER - A dual-polarity multiple-output boost converter that includes an inductor coupled in series between a high-side switch and a low-side switch. A first terminal of the inductor is coupled to an output of the high-side switch and the second terminal of the inductor is coupled to an input of the low side switch, with an output of low-side switch being coupled to a reference terminal. A plurality of outputs provide a plurality of output voltages, including a first plurality of outputs to provide a first plurality of different output voltages having a first polarity and at least one second output to provide at least one second output voltage having a second polarity opposite the first polarity. A control circuit is coupled to the high-side switch and the low-side switch to control an on-time of the high-side switch and the low-side switch. | 2014-12-04 |
20140354252 | Apparatus Providing an Output Voltage - Apparatuses and methods are provided where a predefined voltage may be applied in a feedback circuit of a voltage regulator, the feedback circuit coupling and output terminal with an adjust terminal of the voltage regulator. | 2014-12-04 |
20140354253 | POWER CONVERSION CIRCUIT AND ELECTRONIC DEVICE WITH THE SAME - A power conversion circuit includes an input port, an output port, a power conversion chip, a path switch, and a protection module. The input port is electrically connected to a power source and the output port is electrically connected to a function module. The power conversion chip includes a voltage input pin electrically connected to the input port and a voltage output pin electrically connected to the output port. The power conversion chip converts the power voltage to an output voltage. The path switch includes a control terminal, a first path terminal connected to the input port, and a second path terminal connected to the voltage input pin. The protection module is connected between the control terminal and the output port, and detects the output voltage on the output port, and turns off the path switch when the output voltage is greater than a predetermined voltage. | 2014-12-04 |
20140354254 | POWER CONVERTER - A series circuit of a diode Da | 2014-12-04 |
20140354255 | System, Method and Apparatus for Controlling Converters Using Input-Output Linearization - A system, method and apparatus for controlling boost and buck-boost converters using input-output linearization and leading-edge modulation is provided. The controller includes a summing circuit connected to the converter to create a third voltage representing a difference between the first voltage and the second voltage. A gain circuit is connected to the summing circuit to adjust the third voltage by an appropriate gain. A modulating circuit is connected to the gain circuit, the converter, the first voltage, the second voltage and the second current to create a control signal based on the first voltage, the second voltage, the adjusted third voltage, the fourth voltage and the first current. The control signal is used to control the converter. Typically, the first voltage is a converter output voltage, the second voltage is a reference voltage, the fourth voltage is a converter input voltage, and first current is a converter inductor current. | 2014-12-04 |
20140354256 | SWITCH-MODE POWER SUPPLY, CHARGING CURRENT SOURCE AND ASSOCIATED METHOD - A switch-mode power supply includes a converter, a controller and a charging current. The charging current includes a logic circuit, a first current source and a second current source, to generate a charging current proportional to an input voltage of the switch-mode power supply, and also to generate a logic control signal indicative of either of two operation modes. | 2014-12-04 |
20140354257 | DISCRETE NARROW-BAND SWITCHING FREQUENCY AVOIDANCE OF A SWITCH MODE POWER CONVERTER - The switching frequency of a switch mode PFM power converter is compared with a predetermined frequency range that contains the operating frequency of a nearby clocked sub-system. In response to the switching frequency coming into the range, a parameter of the power converter is changed from an original value, so as to cause the switching frequency to go out of the range. | 2014-12-04 |
20140354258 | SUPPLY VOLTAGE CIRCUIT - A method includes using a charge pump to receive a first supply voltage and generate a voltage in response thereto. The method includes using the voltage generated by the charge pump to bias a supply voltage circuit to generate a second supply voltage. The second supply voltage is greater than the first supply voltage. | 2014-12-04 |
20140354259 | BANDGAP REFERENCE VOLTAGE GENERATING CIRCUIT AND ELECTRONIC SYSTEM USING THE SAME - A bandgap reference voltage generating circuit for providing a reference voltage is disclosed. The bandgap reference voltage generating circuit includes four-terminal current source circuit, a regulator circuit and a temperature-compensating circuit. The four-terminal current source circuit outputs a first voltage, a second voltage and a first current which are independent of variation of a first system voltage. The regulator circuit receives the first voltage and the second voltage and when the first system voltage is larger than a threshold voltage value, the regulator circuit outputs the reference voltage independent of variation of the first system voltage via voltage-difference between the first voltage and the second voltage. The temperature-compensating circuit receives the first current and compensates a temperature curve of the reference voltage outputted from the regulator circuit. | 2014-12-04 |
20140354260 | INTEGRATED CIRCUIT - An integrated circuit includes a node setting block connected to a reference node and suitable for setting a voltage level of the reference node to a reference voltage level, a plurality of control voltage generation units connected in series to a reference node and suitable for generating a plurality of control voltages of which voltage level is variable and a current sensing circuit suitable for sensing a variation of a current flowing through a signal transmission line by using the plurality of control voltages, the signal transmission line connected to an internal circuit and a voltage level of the signal transmission line being fixed. | 2014-12-04 |
20140354261 | METHOD, CIRCUIT AND INTEGRATED CIRCUIT FOR DETECTING RESONANCE FREQUENCY - A method, circuit, and integrated circuit for detecting resonance frequency is disclosed in which a first operational amplifier circuit receives an input signal and provides an output signal for a resonance circuit to store energy, a zero crossing comparator circuit samples a discharge current of the resonance circuit and transforms the sampled current into a sampled voltage and outputs a square signal to a digital signal processor based on the sampled voltage, and the digital signal processor obtains a resonance frequency based on the square signal. | 2014-12-04 |
20140354262 | LOCK DETECTOR FOR DIGITAL PHASE-LOCKED LOOP - A phase locked loop (PLL) lock detector may be configured to observe the phase error signal from a phase comparator of a PLL circuit. The PLL lock detector may accumulate a sum of phase errors and compare the sum of phase errors to determine whether the PLL circuit is locked in phase with the reference signal. Various modifications to the phase error signal and sum of phase errors may be used to improve the efficiency of the PLL lock detector. Configurable settings for the accumulator and a comparator may be used to adjust the operation of the PLL lock detector. | 2014-12-04 |
20140354263 | OPTICALLY BASED VOLTAGE SENSING DEVICE AND METHOD - A method of measuring fluctuations in electric fields is disclosed, the method comprising the step of: placing a Liquid Crystal Device in communication with the electric field, the device having disparate orthogonal polarization sensitivity to an external electric field; utilising an optical probe beam having a known polarization state to interrogate the liquid crystal of the liquid crystal device to produce a response beam; and analyzing the polarization state of the response beam to provide an indicator of the corresponding fluctuations in the electric field. | 2014-12-04 |
20140354264 | HIGH SPEED CLOCK CYCLE RATE DIGITAL VOLTAGE MONITOR WITH TRIGGERED TRACING FOR INTEGRATED CIRCUITS - Implementations of the present disclosure involve a system and/or method for measuring on-die voltage levels of an integrated circuit through a digital sampling circuit. In particular, the system and/or method utilizes a delay line based analog-to-digital sampling circuit that produces a voltage reading over time, such as at every high frequency clock cycle. The digitized samples are routed to either an on-die memory structure for later analysis or are transmitted to one or more pins of a chip for capture and analysis by an external analyzer. | 2014-12-04 |
20140354265 | VOLTAGE SENSING CIRCUIT FOR CONVERTER - A voltage sensing circuit of a converter senses input and output voltages of a converter with only one sensing circuit. The voltage sensing circuit is capable of reducing the number of the components for a controller and the volume thereof to save cost, and detecting whether the discontinuous mode (DCM) is entered or not, thereby to apply a separate control algorithm thereto when the DCM is entered. | 2014-12-04 |
20140354266 | CURRENT MEASUREMENT - Current measurement apparatus comprises a measurement arrangement and a signal source. The measurement arrangement is configured to measure a current signal drawn by a load. The signal source is operative to apply a reference input signal to the measurement arrangement whereby an output signal from the measurement arrangement comprises a load output signal corresponding to the load drawn current signal and a reference output signal corresponding to the reference input signal. The signal source comprises a current multiplier which defines first and second current paths and is configured such that: the first path carries a multiplier input current signal; the second path carries a multiplier output current signal which determines the reference input signal and which corresponds to the multiplier input current signal multiplied by a multiplier value determined by the current multiplier; and the multiplier input current signal and the multiplier output current signal are carried on their respective paths in a same direction relative to a power supply voltage. Power drawn through the second path as divided by the multiplier value is less than the power drawn through the first path. | 2014-12-04 |
20140354267 | METHOD OF COMPENSATING COMMAND VALUE FOR ROTATION ANGLE - There is provided a method of compensating a command value for rotation angle capable of precisely compensating a command value for rotation angle even when conditions at detection differ to thereby make error patterns different in the case where a tooth-to-tooth period error pattern in an arbitrary tooth period is used for all the tooth periods to correct a command value for rotation angle. When a rotation angle of a detection target gear | 2014-12-04 |
20140354268 | POSITION SENSING DEVICE - A position sensing device has a first magnetic flux transmission unit that includes first thin boards made of long shape magnetic material stacked along a board thickness direction and a second magnetic flux transmission unit that includes second thin boards made of long shape magnetic material stacked along the board thickness direction, for defining a gap space between the first and second magnetic flux transmission units when disposing the first and second magnetic flux transmission units on a rotating body. Further, the position sensing device includes first and second magnets disposed between both ends of the first and second magnetic flux transmission units. A Hall IC disposed on a mold part moves within the gap space along a gap space longitudinal direction relative to the rotating body for outputting a signal according to a density of a magnetic flux passing therethrough. | 2014-12-04 |
20140354269 | METHOD AND APPARATUS FOR DETERMINING THE CONDITION OF A CONTROL ELEMENT - A circuit ( | 2014-12-04 |
20140354270 | MAGNETIC POSITION DETECTION DEVICE - A distortion of a signal of a magnetic position detection device is reduced so that precise position information at a high degree of accuracy can be obtained. The magnetic position detection device | 2014-12-04 |
20140354271 | ROTATION ANGLE DETECTOR, ROTATION ANGLE DETECTION METHOD, AND IMAGE FORMING APPARATUS - Provided are a rotation angle detector and a rotation angle detecting method. Each of the rotation angle detector and rotation angle detecting method detects a rotation angle of a rotating body according to a plurality of detection signals that vary depending on the rotation angle of the rotating body and have phases different from each other, to output the detected rotation angle as a detection angle, generates pseudo harmonics based on a multiplied detection angle obtained by multiplying the detection signal by a specified number, and removes the pseudo harmonics from the detection signals, to output a corrected detection signals from which the pseudo harmonics are removed to the detecting of the rotation angle, the detection angle being generated based on the correction detection signals. | 2014-12-04 |
20140354272 | ROTATION DETECTOR DETECTING ROTATION OF ROTATING MACHINE AND SYSTEM PROVIDED WITH ROTATION DETECTOR - A rotation detector which can improve the manufacturing efficiency of a rotating machine. The rotation detector is provided with a connecting part which is fastened in contact with a rotating part of the power part, an output shaft which extends from the connecting part to one side in the axial direction, and a moving part which is comprised of a connecting part and output shaft and, further, has a detected region which is formed at a maximum outer circumferential surface of the connecting part and output shaft, and a fixed part which is fastened to the connecting part at the outside in the radial direction and which detects a change in magnetic field which is generated along with rotation of the detected region. | 2014-12-04 |
20140354273 | INSPECTING A STEAM GENERATOR - A steam generator tube probe includes a probe head comprising an electronic probe coupled between a proximal portion of the head that is configured for entry into a steam generator tube and a distal portion of the head; and a probe shaft coupled to the distal portion of the shaft and comprising a flexible metallic conduit that comprises a plurality of interlocking portions, each interlocking portion moveably affixed to at least one adjacent interlocking portion. | 2014-12-04 |
20140354274 | METHOD AND APPARATUS FOR EDDY-CURRENT FLAW DETECTION - An eddy-current flaw detection method includes a synchronization step (S | 2014-12-04 |
20140354275 | ATOMIC MAGNETOMETRY USING PUMP-PROBE OPERATION AND MULTIPASS CELLS - A magnetometer for use with a sample including an atomic vapor is disclosed. The magnetometer includes a cell containing the sample such as a multipass cell including a first mirror element and a second mirror element configured so that an incoming light beam injected into the container will reflect multiple times between the first mirror element and the second mirror element. A polarized pump light source is configured to transmit pump light through the cell and pump the sample. A polarized probe light source configured to transmit probe light through the cell and probe the sample. A detector configured to detect a polarization angle or intensity of the probe light transmitted through the sample. A processor may be configured to calculate a precession frequency of the sample based on a first probe light pulse and a frequency correction based on a second probe light pulse. | 2014-12-04 |
20140354276 | INTEGRATED HALL EFFECT SENSOR - The generation of a Hall voltage within a semiconductor film of an integrated Hall effect sensor uses the flow of a current within the semiconductor film when subjected to a magnetic field. The film is disposed on top of an insulating layer, referred to as buried layer, which is itself disposed on top of a carrier substrate containing a buried electrode that is situated under the insulating layer. A biasing voltage is applied to the buried electrode. | 2014-12-04 |
20140354277 | Mobile Magnetic Resonance Tomography - A method for operating a mobile magnetic resonance tomography system having magnets and/or coils generating a magnetic field and a shield surrounding the magnets and/or coils is intended to enable an optimal image quality during the examination and at the same time have a small space requirement. For this purpose, a temperature is measured at a plurality of points on the shield by a temperature measuring system, where measured data of the temperature measuring system is sent to a compensation system, and where effects of temperature differences on the homogeneity of the magnetic field are compensated by the compensation system. | 2014-12-04 |
20140354278 | Three-dimensional magnetic density imaging and magnetic resonance imaging - Apparatus for measuring magnetic field intensity characteristics around a target object enclosed in a 3D volume space is disclosed. It comprises (a) a means for magnetically polarizing the target object with a known polarizing magnetic field to introduce a magnetic density distribution (MDI) f(r1), (b) a means for measuring magnetic field characteristics g(r2) around the target object at a set of points r2 in a 3D volume space that in particular extends substantially along a radial direction pointing away from the approximate center of the object, (c) a means for setting up a vector-matrix equation; and (d) a means for solving this vector-matrix equation and obtaining a solution for f(r1) that provides a 3D tomographic image of the target object. This novel apparatus is integrated with frequency and phase encoding methods of Magnetic Resonance Imaging (MRI) technique in prior art to achieve different trade-offs. | 2014-12-04 |
20140354279 | Faraday Cage For MR Imaging With Accessory Equipment - A Faraday cage assembly for use with a Magnetic Resonance (MR) Imaging scanner is deployed inside the MR scanner room. The Faraday cage assembly is configured to accept accessory medical equipment which is desired to be attached to the patient during scanning. Accessory medical equipment can include patient monitoring systems, injector pumps, and intravenous (IV) poles with infusion pumps. Once the accessory medical equipment is placed inside the Faraday cage, radiofrequency (RF) interference emitted by the accessory medical equipment is contained within the cage and cannot significantly degrade MR image quality. The cage may permit non-MR compatible accessory equipment such as infusion pumps to be used without modification or reconfiguration during MR scanning. | 2014-12-04 |
20140354280 | MAGNETIC RESONANCE APPARATUS AND METHOD FOR ACQUIRING NAVIGATOR SIGNALS - A magnetic resonance apparatus which acquires navigator signals generated from a navigator region including a first portion and a second portion, the navigator signals acquired using a coil having a plurality of channels, is provided. The magnetic resonance apparatus includes a scan unit configured to execute a first navigator sequence for acquiring first navigator signals generated from the navigator region, a profile generating unit configured to generate first profiles each including position information on the first portion for every channel, a determining unit configured to determine correlations between the first profiles and a template, and a selecting unit configured to select each channel used to acquire the position information on the first portion based on the correlations. | 2014-12-04 |
20140354281 | GRADIENT AMPLIFIER WITH COMPENSATION FOR DEAD TIME AND FORWARD VOLTAGE - The present invention relates to a method for compensating non-linearities of a gradient amplifier ( | 2014-12-04 |
20140354282 | CERAMIC CAMERA FOR MRI - A camera assembly for use in a MRI machine. The camera assembly includes a Faraday cage defining a shielded cavity and an optical path mount constructed of a highly stiff, dense, and non-electrically-conductive material in the shielded cavity. The camera imager and lens are mounted to the optical path mount. The camera assembly includes a capacitor-based power regulation circuit. The optical path mount is not subject to eddy currents because it is non-electrically-conductive. The capacitor-based power regulation circuit includes very little ferrous material and is within the shielded cavity, to reduce eddy currents. The resulting camera assembly reduces vibrations and shaking in the magnetic field environment of the MRI machine. | 2014-12-04 |
20140354283 | MRI ACOUSTIC SYSTEM, ACOUSTIC OUTPUT DEVICE, AND ELECTRO-ACOUSTIC TRANSDUCER - Provided is magnetic resonance imaging (MRI) acoustic system that includes a magnet that is included in a bore having an image-taking space where an object is able to be accommodated and that forms a magnetic field in the image-taking space to obtain an MR image of the object, an electro-acoustic transducer that is located outside of the bore, and includes coils through which a current for generating an attraction force or a repulsion force with respect to the magnetic field generated by the magnet and a vibrating plate that vibrates in response to the an attraction force or the repulsion force, and a controller that controls the intensity of the current inputted to the electro-acoustic transducer to generate a sound by using the magnetic field that is generated by the magnet. | 2014-12-04 |
20140354284 | EARTH SURVEYING FOR IMPROVED DRILLING APPLICATIONS - Methods and apparatuses for geophysical surveying are disclosed. In one embodiment, a marine vehicle may obtain magnetic measurements in a location around a drilling site. The magnetic measurements may be used to calculate a localized disturbance magnetic field resulting from, for example, solar flares. The localized disturbance magnetic field may be used to calculate a declination value and, thus, a wellbore position with improved accuracy. | 2014-12-04 |
20140354285 | ORGANIC LIGHT EMITTING DISPLAY PANEL - Provided is an organic light emitting display panel. The organic light emitting display panel includes a pixel unit including a plurality of pixels I displaying mutually different colors, a plurality of data pads electrically connected to wirings extending from the data lines, each of the plurality of data pads being connected to corresponding data lines, respectively, and an array test unit applying an array test signal to the plurality of pixels of the pixel unit, and sensing a current outputted from the plurality of pixels. The array test unit includes an array test pad electrically connected to a plurality of data pads through a plurality of array test switches. | 2014-12-04 |
20140354286 | ORGANIC LIGHT-EMITTING DISPLAY PANEL - An organic light-emitting display panel includes a pixel unit connected to a plurality of scanning lines and a plurality of data lines, and including a plurality of pixels, a panel test unit connected to first ends of the plurality of data lines, and configured to output a panel test signal for testing the plurality of pixels, a plurality of data pads connected to second ends of the plurality of data lines, and an array test unit configured to selectively apply a plurality of array test signals to a pixel column of the pixel unit according to a plurality of array test control signals, and detect a signal output from the pixel column to which the plurality of array test signals are applied. | 2014-12-04 |
20140354287 | APPARATUS FOR TESTING AN ELECTROMECHANICAL RELAY - A portable apparatus for testing an electromechanical relay having Normally Closed (NC) contacts, Normally Open (NO) contacts, and an electromagnetic coil therein includes a housing, a battery, a battery test circuit, and a relay test circuit. The battery test circuit includes a first switch operable to provide a first type of indication based on a voltage output by the battery. The relay test circuit includes a second switch, and a third switch. The second switch is operable to provide a second type of indication if an electrical circuit of the relay test circuit is complete with the NC contacts of the relay. The third switch is operable to energize the electromagnetic coil and provide the second type of indication if NO contacts of the relay become closed upon energizing the electromagnetic coil, thus opening the NC contacts of the relay. | 2014-12-04 |
20140354288 | DETECTING CIRCUIT FOR CIRCUIT BREAKER - The present disclosure relates to a detecting circuit for a circuit breaker, comprises: a detection sensor configured to output a detection signal by detecting a voltage or a current on an alternating current electric power circuit; a low pass filter configured to output a signal from the detection sensor after removing a high frequency component from the signal; an offset remover configured to output a signal from the low pass filter after removing a direct current offset from the signal; an amplifier configured to amplify a signal from the offset remover, and to output the signal; and a comparator configured to output a breaking control signal such that the circuit breaker operates to a circuit breaking position, if the detection signal input to the amplifier is equal to or larger than a reference voltage. | 2014-12-04 |
20140354289 | METHOD FOR PREDICTING CHARGING TIME OF BATTERY FOR ELECTRIC VEHICLE - A method for predicting charging time of a battery for an electric vehicle is provided. The method includes differentiating a rapid charging and a slow charging. A necessary charging amount of the battery is calculated, and a reference current value that is stored in advance is detected for slow charging. A time required for slowly charging a battery is calculated using the necessary charging amount and the reference current value. | 2014-12-04 |
20140354290 | MEASUREMENT DEVICE FOR TESTING A FUEL CELL STACK - A measurement device for measuring voltages along a linear array of voltage sources, such as a fuel cell stack, includes at least one movable voltage probe that measures voltage transitions along an array element. The measured voltage is used to determine a distance of travel of the at least one voltage probe along the fuel cell stack from the speed of the probe and the timing of the transitions. | 2014-12-04 |
20140354291 | BATTERY MONITORING SYSTEM, HOST CONTROLLER, AND BATTERY MONITORING DEVICE - A battery monitoring system includes a plurality of battery monitoring devices connected to a battery formed by connecting a plurality of battery cell groups in series, and monitor a state of the battery for the respective battery cell groups, each of the plurality of battery cell groups being of one or a plurality of battery cells connected in series, and a controller that performs wireless communication with the plurality of battery monitoring devices. First identification information portions which are different from each other are set in the plurality of battery monitoring devices in advance, and second identification information corresponding to an order of potentials of the battery cell groups in the battery, to which the battery monitoring devices are connected, is assigned to each of the plurality of battery monitoring devices. The controller stores a relationship between the first and second identification information for each battery monitoring device. | 2014-12-04 |
20140354292 | METHOD AND APPARATUS FOR MONITORING A MULTI-PHASE ELECTRICAL SYSTEM ON A VEHICLE - An electric machine electrically connects to an inverter via a multi-phase power circuit. A method for monitoring the multi-phase power circuit includes non-intrusively adjusting a commanded AC electric current from the inverter after a prescribed time period and comparing a measured magnitude of AC electric current in the multi-phase power circuit with a minimum threshold. Presence of an open circuit fault in the multi-phase power circuit can be detected based upon the comparison. | 2014-12-04 |
20140354293 | FAULT DETECTION SYSTEM - A system for the early detection of faults in a low voltage distribution network in which at least two detectors are each located on one of two power poles at either end of a section of a power distribution line, each detector includes a GPS unit, an uninterruptable power supply, a communication means to send data to a base station, antenna sensors having a bandwidth of 1 MHz to 3 GHz for each wire in the power line, a processor to receive signals from each sensor and collect data relating to the maximum value, time of maximum value, minimum value and time of minimum value for partial discharge signals within the range and the processor or base station being programmed to analyse the collected data to identify location of pulses above a predetermined value and record the number of such pulses at each location over a predetermined time interval to enable identification of likely sites of faults in the distribution line. | 2014-12-04 |
20140354294 | SOLID STATE IMPEDANCE TUNERS - A solid state impedance tuner or impedance tuner system including a housing structure and at least two solid state tuner modules electrically combined and disposed in one package within the housing structure. Each tuner module includes at least one solid state control element. | 2014-12-04 |
20140354295 | LOOSE PLUG DETECTION - According to the disclosure there is provided a method for characterizing an electrical connection between an energy storage device of an electrical or hybrid vehicle and an external power supply. The method may include, in the vehicle, receiving an alternating waveform from the power supply, determining a fundamental frequency of the waveform, determining if the waveform is distorted, and, if it is determined that the waveform is distorted, determining if the distortion is an indication of a loose connection between the vehicle and the power supply. There is further provided a charging system for characterizing an electrical connection between an energy storage device of an electrical or hybrid vehicle and an external power supply. | 2014-12-04 |
20140354296 | SIGNAL TEST DEVICE - A signal test device for testing a tested interface includes a circuit board. The circuit board includes a processer, a first relay unit, a second relay unit, a selection relay unit, a channel selection key, a speed selection key, a channel display unit, a speed display unit, and an edge connector electrically connected to tested pins of the tested device. Each of the first and second relay units includes a plurality of relays. When a user presses the channel selection key and the speed selection key, a code and a speed of a tested signal output from tested interface can be tested conveniently and accurately, with a high-speed transmission through the first and second relay units, and can be shown on the the channel display unit and the speed display unit. | 2014-12-04 |
20140354297 | INVERTER SYSTEM AND METHOD OF DETECTING STATE OF POWER CABLE OF THE INVERTER SYSTEM - Provided is a method of detecting a state of a power cable of an inverter system. The method includes obtaining a value of a phase current supplied to a motor through the power cable according to a preset period, generating a mobile window having a certain size with respect to a phase-current value obtained for each period and obtaining a mobile window operation value by using the phase-current value included in the generated mobile window, comparing the obtained mobile window operation value with a preset reference value, and detecting whether the power cable is abnormal, according to a result of the comparing. | 2014-12-04 |
20140354298 | APPARATUS AND METHOD FOR DETECTING PARTIAL DISCHARGE AT TURN-TO-TURN INSULATION IN MOTOR - Apparatus and method for partial discharge detection of turn-to-turn insulation in motor has a surge generator for generating a surge voltage to the windings of the motor by applying a pulse voltage, and a partial discharge current detector for detecting partial discharge currents between the winding turns of the motor. The surge generator generates in and between the windings of the motor the surge voltage that has the rise time and fall time corresponding to the rise time of the surge voltage observed at the motor terminal when the motor is driven by an inverter, and that is repeated at a frequency of 50 Hz to 20 kHz. | 2014-12-04 |
20140354299 | SYSTEM AND METHOD FOR A NONDESTRUCTIVE ON-LINE TESTING OF SAMPLES - An MRI-free non-destructive on-line system for detecting a presence of a material in a sample. The system includes: a flow conduit encompassed by a tunable RF coil and having an input duct and an output duct; a flow of the sample through the flow conduit; a signal detector that detects frequency-dependent output signals as a function of a frequency variation of the RF tunable coil within a frequency range of an RF resonant frequency of a standard sample of the substance; and a processing unit. | 2014-12-04 |
20140354300 | DISTORSION FINGERPRINTING FOR EM TRACKING COMPENSATION, DETECTION AND ERROR CORRECTION - A system for accounting for electromagnetic (EM) distortion with an EM tracking system includes a sensor array ( | 2014-12-04 |
20140354301 | Edgeless Single-Layer Touch Sensor - A touch sensor includes a substrate and a plurality of columns of electrodes disposed on a first side of the substrate. The substrate includes a first end and a second end opposite the first end. The columns each include a sense electrode and drive electrodes. The columns include a first column adjacent to the first end, a second column adjacent to the second end, and one or more interior columns. The touch sensor also includes a plurality of channels for routing tracks coupled to the drive and sense electrodes. Tracks for the first column are routed in a first channel on a side of the first column opposite from the first end of the substrate. Tracks for the second column are routed in a second channel on a side of the second column opposite from the second end of the substrate. Tracks for the interior columns are dispersed amongst the channels. | 2014-12-04 |
20140354302 | System and Method for a Capacitive Voltage Sensor System - A system including a non-intrusive capacitive voltage sensor configured to couple to an insulator surrounding a metal conductor, wherein the non-intrusive capacitive voltage sensor is configured to produce a voltage signal indicative of a voltage in the metal conductor, and a monitor-controller system configured to receive the voltage signal from the non-intrusive capacitive voltage sensor, wherein the monitor-controller system is configured to use the voltage signal to monitor or control a machine. | 2014-12-04 |
20140354303 | METHOD AND APPARATUS FOR DERIVING CURRENT FOR CONTROL IN A RESONANT POWER CONVERTER - An apparatus, method, and system for measuring current within a converter. The converter including a resonant tank circuit with a capacitor, the resonant tank circuit is coupled to a DC input bridge and a first terminal of the capacitor is coupled to a ground of the DC input bridge. In addition, a voltage monitor coupled across the capacitor for measuring a voltage across the capacitor. The converter also includes a resonant current calculation module for computing a tank current value based on the voltage. | 2014-12-04 |
20140354304 | CAPACITIVE TYPE TOUCH SENSOR WITH OPTICAL FUNCTIONALITY - A capacitive type touch sensor has optical functionality, low reflection and thin thickness as well as narrow frames. The capacitive type touch sensor includes a cover glass, and a capacitive type film sensor member adhered to a rear surface of the cover glass. The capacitive type touch sensor further includes a polarization plate between the cover glass and the film sensor member. The film sensor member includes a transparent base sheet having a λ/4 phase difference film, transparent conductive films so as to form electrode pattern s on the central windows and fine line routed circuit pattern on the peripheral frames on both sides of the base sheet, and light-blocking conductive films laminated on the fine line routed circuit patterns of the transparent conductive film. | 2014-12-04 |
20140354305 | Multi-State Capacitive Button - In one embodiment, an apparatus includes a sensor, a button, a conductor between the button and the sensor, and a controller connected to the sensor. The sensor includes first and second electrode tracks. The button includes an electrically isolating material and is configured to capacitively couple with an object. The conductor is configured to capacitively couple with the sensor and form a galvanic connection between the first and second electrode tracks when the conductor comes into contact with the sensor. The controller is configured to measure a value associated with an amount of capacitive coupling between the conductor and the sensor and to detect first and second states of the button based on the value, the first state indicating that the object is in contact with the button and that the conductor is not contacting the sensor, and the second state indicating that the conductor is not contacting the sensor. | 2014-12-04 |
20140354306 | POWER ON DETECTION CIRCUIT - A power-on-detection (POD) circuit includes a detection circuit, first and second comparison circuits, and logic circuitry. The detection circuit includes a capacitor configured to charge from a first voltage level to a second voltage level. The first comparison circuit is configured to compare a third voltage level to a reference voltage level, and the second comparison circuit is configured to compare a fourth voltage level to the reference voltage level. The third and fourth levels are based on the second voltage level. The logic circuitry is coupled to an output of the first comparison circuit and to an output of the second comparison circuit and is configured to output a power identification signal based on the outputs of the first and second comparison circuits. The detection circuit is configured to turn on the first and second comparison circuits based on a voltage level of the capacitor. | 2014-12-04 |
20140354307 | MONITORING A CONDUCTIVE FLUID CONDUIT - There is described an apparatus for monitoring a conductive fluid conduit arranged to carry a fluid stream. The apparatus comprises a power supply, a plurality of electrical contact points connected to the fluid conduit, a voltage measurement device, and a processor. The power supply has a reference mode of operation and a sample mode of operation. In the reference mode of operation the power supply is operable to supply an alternating electric current through the fluid conduit at a high frequency such that the current is confined near the surface of the fluid conduit due to the skin effect. In the sample mode of operation the power supply is operable to supply an electric current through a full thickness of the fluid conduit. The voltage measurement device is operable to measure the voltage between pairs of said electrical contact points so as to obtain reference values of electrical resistance of the fluid conduit when the power supply is in the reference mode of operation and so as to obtain sample values of electrical resistance of the fluid conduit when the power supply is in the sample mode of operation. The processor is operable to modify the sample values of electrical resistance based on the corresponding reference values of electrical resistance so as to compensate for temperature variations. | 2014-12-04 |
20140354308 | INPUT STAGE FOR TEMPERATURE MEASUREMENT SYSTEM - A temperature-measurement input stage is disclosed. In accordance with some embodiments of the present disclosure, a temperature-measurement input stage may comprise a resistor, a thermistor, a first multiplexor, an amplifier, a second multiplexor, and an output stage. The first multiplexor may be configured to couple the resistor to a first amplifier input during a first multiplexor state, and couple the thermistor to the first amplifier input during a second multiplexor state. The amplifier may comprise the first amplifier input, a second amplifier input coupled to a voltage reference, and an amplifier output coupled to a feedback path. The second multiplexor may be configured to route a feedback current to the resistor during the first multiplexor state and route the feedback current to the thermistor during the second multiplexor state. The output stage may be configured to provide an output current based on the feedback current. | 2014-12-04 |
20140354309 | Portable Spa Monitoring and Control Circuitry - Control circuitry for controlling a spa water heater, wherein a microcontroller is configured to detect zero crossings of an A.C. line voltage from a voltage sense signal, to cause closing of a first heater relay and a second heater relay, to detect the time at which heater current is initially sensed by a current sensor after the initial closing of the second heater relay, to measure a time delay between the time that the second heater relay is closed and the time at which heater current is initially sensed, and to adjust the time at which a second closing of the second heater relay occurs such that zero crossings of the heater current occur at the same time as zero crossings of the voltage waveform. The control circuitry further includes a voltage sense circuit comprising a first diode connected in series with a current limiting resistance connected in series with a Zener diode, which is in turn connected in series with an optical coupler LED. | 2014-12-04 |
20140354310 | Capacitive Sensor Testing - Capacitive sensor testing techniques are described. In one or more implementations, a plurality of conductive pads of a test apparatus are caused to transition to a grounded state. The plurality of conductive pads is disposed proximal to one or more capacitive sensors of a device. An output is examined that describes a response of the one or more capacitive sensors of the device to the transition to the grounded state by the plurality of conductive pads to test operation of the one or more capacitive sensors of the device. | 2014-12-04 |
20140354311 | INTEGRATED CIRCUIT CHIP AND MULTI-CHIP SYSTEM INCLUDING THE SAME - An integrated circuit chip includes a test circuit suitable for performing a test operation and generating a test result signal indicating whether there is an error or not in the integrated circuit chip, a transmitting unit suitable for transmitting the test result signal through an interlayer channel. The interlayer channel is precharged to a first level before the transmitting unit transmits the test result signal, and the interlayer channel is driven to a second level when there is an error. | 2014-12-04 |
20140354312 | TEST HANDLER, TEST CARRIER AND TEST METHOD THEREOF - The present invention provides a test handler for various IC tests, which includes a chamber and a test carrier. The chamber is controllable to present a dry status. The test carrier is made of a high thermal-conductive material and includes plural positioning structures for respectively accommodating plural IC chips. The test carrier is disposed on and in thermal contact with a temperature-adjustment device in the chamber, and the temperature-adjustment device controls the temperature of the IC chips on the test carrier by thermal conduction through the test carrier. The invention also provides a test carrier used in the test handler and a test method thereof. | 2014-12-04 |
20140354313 | Method for Temporary Electrical Contacting of a Component Arrangement and Apparatus Therefor - A method for temporary electrical contacting of a component arrangement with a plurality of contact surfaces is described. A connection support includes a plurality of connection surfaces, on which contact protrusions are disposed. The connection support and component arrangement are brought together in such a way that the connection surfaces and the associated contact surfaces overlap in a top view and the contact protrusions form an electrical contact with respect to the contact surfaces in order to achieve electrical contacting of the component arrangement. Subsequently the connection support and the component arrangement are separated from each other. | 2014-12-04 |
20140354314 | THERMAL INTERFACE TECHNIQUES AND CONFIGURATIONS - Embodiments of the present disclosure describe thermal interface techniques and configurations. In some embodiments, a thermal interface apparatus may include a flexible container, a plurality of thermally conductive objects disposed within the flexible container, and an attachment member coupled to the flexible container for attaching the thermal interface apparatus to a heat sink. The thermally conductive objects may be movable to rearrange their packing within the flexible container in response to deformation of the flexible container. Other embodiments may be described and/or claimed. | 2014-12-04 |
20140354315 | PROBE GUIDE PLATE AND SEMICONDUCTOR INSPECTION APPARATUS - A probe guide plate used for a semiconductor inspection apparatus that inputs and outputs an electrical signal for inspecting an object via a probe needle, the probe guide plate includes a silicon substrate provided with a through hole that penetrates the silicon substrate from one surface to another surface through which the probe needle is inserted, the through hole including a first tapered portion provided at an end portion at the one surface side such that the hole size of which increases as it approaches the one surface, and a second tapered portion provided at an end portion at the other surface side such that the hole size of which increases as it approaches the other surface; and a silicon oxide film formed on an inner wall surface of the through hole including the first tapered portion and the second tapered portion. | 2014-12-04 |
20140354316 | CIRCUIT BOARD INSPECTION METHOD, CIRCUIT BOARD INSPECTION APPARATUS AND CIRCUIT BOARD INSPECTION TOOL - There is provided a circuit board inspection tool configured to electrically connect a circuit board with a built-in electronic component and a circuit board inspection apparatus configured to inspect a plurality of wiring patterns formed on the circuit board. The circuit board inspection tool includes a plurality of contactors, an electrode body on which the respective contactors abut at the other end and which are electrically connected to the circuit board inspection apparatus, and a holding body having an inspection-side holding unit configured to guide one ends of the contactors to the inspection points and an electrode-side holding unit configured to guide the other ends thereof to the electrode units, wherein an amount of projection of a contactor which abuts on an inspection point of a wiring pattern conductively connected to the electronic component is formed to be greater than that of the other contactors. | 2014-12-04 |
20140354317 | CIRCUIT BOARD INSPECTION APPARATUS, CIRCUIT BOARD INSPECTION METHOD AND CIRCUIT BOARD INSPECTION TOOL - A circuit board inspection apparatus configured to perform electrical inspection of wiring patterns formed on a circuit board with a built-in electronic component is provided with a plurality of contactors, a switching circuit, and a controller. The controlling device applies voltage by using a power supply between a contactor and a contactor in a state a switch of the switching circuit is set to be ON and inspects an insulating state between two wiring patterns corresponding to two inspection points on the circuit board. At this time, if forward bias is applied to and forward current flows in diodes inserted between the contactors outside the circuit board, a potential difference between the contactors becomes equal to a potential difference between the diodes and is limited to a relatively small value. | 2014-12-04 |
20140354318 | INTERCONNECTS INCLUDING LIQUID METAL - Embodiments of the present disclosure are directed to interconnects that include liquid metal, and associated techniques and configurations. The individual interconnects may electrically couple a contact of a printed circuit board (PCB) to a contact of a device under test (DUT). The interconnect may be disposed in or on the PCB. In various embodiments, the interconnect may include a carrier that defines a well (e.g., an opening in the carrier), and the liquid metal may be disposed in the well. In some embodiments, the contact of the DUT, or a contact of an intermediary device, may extend into the well and directly contact the liquid metal. In other embodiments, a flex circuit may be disposed over the well to seal the well. The flex circuit may include a conductive pad to electrically couple the liquid metal to the contact of the DUT. Other embodiments may be described and claimed. | 2014-12-04 |
20140354319 | HIGH CURRENT KELVIN CONNECTION AND VERIFICATION METHOD - A method and circuit for implementing high current capability Kelvin connections and measuring the resistance of the contacts and connections to verify that the conducting path is capable of carrying the high current without damage or degraded performance. Included as well is the means and circuit for efficiently dividing a high current test stimulus current into 2 paths with low losses and voltage drops. | 2014-12-04 |
20140354320 | APPARATUS AND METHOD FOR TESTING THE INTERCONNECTION OF PHOTOVOLTAIC CELLS - Apparatus and method for contactless testing a closed loop electrical connection in particular suited for testing the interconnection of photovoltaic cells in a solar pane. The apparatus comprises two coils. The first coil is a driving coil ( | 2014-12-04 |
20140354321 | AUTOMATED TEST MANAGEMENT SYSTEM FOR ELECTRONIC CONTROL MODULE - An automatable management system for testing one or more electronic control modules (ECMs), in one or more machines, is disclosed. The one or more ECMs are switchably connected to a testing unit (TU). The system includes at least one ECM connector, connectable to the one or more ECMs. The at least one ECM connector is one of a male connector or a female connector. Similarly, the system includes at least one TU connector connectable with the TU. Further, at least one actuator is operably connectable to at least one of the at least one ECM connector and the at least one TU connector. The actuator is configured to facilitate an electrical connection between the ECM and the testing unit in response to a relay signal generated by the testing unit. | 2014-12-04 |
20140354322 | PROBE CARD PARTITION SCHEME - A method of testing an integrated circuit die comprises partitioning a first probe card partition layout of the integrated circuit die having one or more sections comprising a first quantity of section types into a second probe card partition layout having a greater quantity of sections comprising a second quantity of section types, the second quantity of section types being less than the first quantity of section types. The method also comprises using one or more probe cards to test the sections in the second probe card partition layout, each of the one or more probe cards having a test contact pattern that corresponds with a test contact pattern of one of each section type included in the second probe card partition layout. | 2014-12-04 |
20140354323 | I-V CHARACTERISTIC MEASURING APPARATUS AND I-V CHARACTERISTIC MEASURING METHOD FOR SOLAR CELL, AND RECORDING MEDIUM RECORDED WITH PROGRAM FOR I-V CHARACTERISTIC MEASURING APPARATUS - To provide an I-V characteristic measuring apparatus that can, even though a solar simulator of a flash light type is used, accurately measure a true I-V characteristic of a solar cell that exhibits a different I-V characteristic depending on a sweep direction when a sweep time of applied voltage is short, an internal division ratio calculation part that, at each voltage value, calculates an internal division ratio at which a current value of a dark state stationary I-V characteristic internally divides a gap between a current value of a dark state forward I-V characteristic and a current value of a dark state reverse I-V characteristic; and a light state stationary I-V characteristic estimation and calculation part that, on the basis of the internal division ratio, a light state forward I-V characteristic, and a light state reverse I-V characteristic, estimates and calculates a light state stationary I-V characteristic are provided. | 2014-12-04 |
20140354324 | METHOD AND APPARATUS FOR TESTING A SEMICONDUCTOR PACKAGE HAVING A PACKAGE ON PACKAGE (POP) DESIGN - Embodiments include a testing arrangement for testing a first package, the testing arrangement comprising a frame having a top section and a bottom section, wherein the bottom section of the frame comprises a pickup section, and wherein the pickup section has a first air pathway; a second package mounted on a top surface of the bottom section of the frame such that a second air pathway is defined between (i) the second package and (ii) the top surface of the bottom section of the frame; and a vacuum path defined by (i) the first air pathway and (ii) the second air pathway, wherein during testing of the first package, a vacuum in the vacuum path is generated such that the pickup section of the bottom section of the frame holds the first package. | 2014-12-04 |