26th week of 2009 patent applcation highlights part 20 |
Patent application number | Title | Published |
20090160390 | METHOD AND APPARATUS FOR STEPPER MOTOR STALL DETECTION - A detector device and a method for detecting a stall condition in a stepper motor, wherein the characteristics of the back EMF are identified directly from a waveform of the back EMF, specifically a first peak of the back EMF, a valley of the back EMF, and a second peak of the rectified integral of the back EMF, to determine a condition of the stepper motor. | 2009-06-25 |
20090160391 | HYBRID PERMANENT MAGNET MOTOR - An electro-mechanical device that functions as a motor or a generator and methods for constructing and using such electro-mechanical device are provided. The electro-mechanical device features permanent magnets placed in a magnetically attracting manner and inter-dispersed between control coils. The control coils are energized to create a flux opposing the flux of the permanent magnets and to create a rotational torque on the poles of a salient pole rotor before those poles align with the poles of the energized control coil stator segment. Power can be generated by placing the flux of the control coils in a steady state and mechanically rotating the salient pole rotor. The electro-mechanical device provides little or no cogging forces, high-efficiency operation, and a high power density. | 2009-06-25 |
20090160392 | Virtual Moving Air Gap For An Axial Flux Permanent Magnet Motor With Dual Stators - An axial flux electric motor comprising a rotor and a first and second stator. The first and second stators have a first and second air gap located between the first and second stators and the rotor, respectively, and the second air gap is greater than the first gap. In one embodiment, the coils of the first stator and the coils of the second stator are in parallel. The motor further comprises switches which alternatingly energize the coils of the first stator and of the second stator based upon required torque and required speed of the motor. In a second embodiment, the coils of the first stator and the coils of the second stator are in series and the motor further comprises switches which selectively bypass the coils of the second stator in order to reduce the back EMF of the motor and increase the maximum speed of the motor at a given input voltage. | 2009-06-25 |
20090160393 | Starting Control Apparatus and Method for Motor - Entry of a synchronous speed of a rotor can be facilitated by increasing a starting torque by adjusting a magnetization application time for magnetizing the rotor according to whether or not a starting capacitor is used. The present invention includes: a control unit that outputs a control signal for controlling an application time of a magnetizing current according to whether or not a starting capacitor is used; and a switch that supplies power to an exciting coil according to the control signal outputted from the control unit. | 2009-06-25 |
20090160394 | SENSORLESS CONTROL APPARATUS AND METHOD FOR INDUCTION MOTOR - A control apparatus for an induction motor is provided and includes a rotating-speed locked loop and a feed-forward magnetizing-axis angular position emulator. The rotating-speed locked loop emulates a speed control loop of the induction motor for producing an emulated torque current and an emulated rotor angular speed. The feed-forward magnetizing-axis angular position emulator receives the emulated torque current and the emulated rotor angular speed for producing a feed-forward estimated magnetizing-axis angular position, wherein according to the feed-forward estimated magnetizing-axis angular position, a first voltage controlling the induction motor is transformed from a synchronous reference coordinate system of the induction motor to a static reference coordinate system of the induction motor, and a two-phase current detected from the induction motor is transformed from the static reference coordinate system to the synchronous reference coordinate system. The state the stator angular frequency is at zero can be skipped through the apparatus. | 2009-06-25 |
20090160395 | SOLAR ENERGY CONTROL SYSTEM - A solar energy control system includes a storage battery, a solar energy operated absorption board, a load, a controller, a first ZigBee module, a second ZigBee module, and a monitoring device. The absorption board is connected to the battery for charging the battery. The load is connected to the battery for receiving a working voltage from the battery. The controller is connected to the absorption board to detect a voltage of the absorption board, and control the charging status according to the detected voltage. The first ZigBee module is connected to the monitoring device. The second ZigBee module is connected to the controller. The monitoring device monitors a status of the controller and sends control instructions to the controller through the first and second ZigBee modules. | 2009-06-25 |
20090160396 | Charging device receiving light from diverse sources - A charging device that receives light from diverse sources includes at least a solar cell that receives light from diverse sources to generate a voltage source, a charging circuit module connected with the solar cell to boost the voltage of the voltage source, and a connector connected with the charging circuit module. Such a design enables the present invention to charge a mobile phone or rechargeable battery by receiving the light radiated from the indoor light kits or sunlight. | 2009-06-25 |
20090160397 | ELECTRICAL POWER SUPPLY SYSTEM FOR A SATELLITE - An electrical power supply system for a satellite with continuously controlled DC-voltage is suitable for recharging batteries without requiring any specific charge module. To this purpose, at least one solar generator section, so-called charge section, is connected directly to a battery output terminal (B). Simultaneously, at least one battery discharge module is dedicated to the control of a residual current that is not used for recharging the batteries. A first regulator is added to the system in order to control said residual current on the basis of a current produced by the charge section and a charge target for the batteries. Optionally, a second regulator may also be added, in order to directly control the current produced by the charge section when equipment that is electrically powered has a low consumption. | 2009-06-25 |
20090160398 | CHARGING CIRCUIT OF PORTABLE DEVICE - A charging circuit of a portable device includes a switch circuit having an input connected to a storage battery of the portable device for triggering the storage battery to supply power to an electronic device, a reference voltage circuit, a regulating circuit, a filter circuit filtering voltage signals from the storage battery, a collecting circuit, a comparator circuit, a rectangular generator, an integral circuit, and a driving circuit. The reference voltage circuit and the collecting circuit respectively output a reference voltage signal and a collecting voltage signal to the comparator circuit. The rectangular wave generator outputs a rectangular wave to the integral circuit. The integral circuit outputs a triangle wave signal to the driving circuit. The driving circuit outputs a pulse width modulation (PWM) signal to drive the regulating circuit to charge the electronic device. | 2009-06-25 |
20090160399 | Case Battery - A case battery is provided. The case battery comprises first and second holding portions, a charging portion, and storage devices. The first holding portion is configured to hold a first part of the personal electronic device. The second holding portion is configured to hold a second part. The charging portion is disposed in the first base plate of the first holding portion. The storage devices are disposed in one of the first base plates of the first and the second base plates of the second holding portions. The first and second holding portions are configured to enclose and hold at least part of the personal electronic device and provide additional electrical power and memory capacity to the personal electronic device. | 2009-06-25 |
20090160400 | CASE BATTERY SYSTEM - A case battery system is provided. The case battery system comprises the case battery, the connector adaptor and the dock. The case battery configured to enclose and hold at least part of a personal electronic device. The personal electronic device may be connected to the connector adaptor, or installed on the dock to be charged or communicate among themselves and with other electronic devices. The top holding portion is configured to hold the top and partial lateral part of the personal electronic device with holes. The rear plate portion comprises the charging portion and the first circuit portion, or the rear plate portion can be a regular plate without the charging portion and the first circuit portion. The top holding portion, the rear plate portion and the bottom holding portion can be assembled sliding the longitudinal rails to the longitudinal rail recesses to enclose a personal electronic device. | 2009-06-25 |
20090160401 | Battery Charge Management System For Charging A Battery Bank That Includes A Plurality Of Batteries - Battery charge management systems for charging a battery bank including a plurality of batteries connected in series are disclosed that include: a power source having a charging port, the power source capable of providing power to each battery in the battery bank; a multiplexer connected to the battery bank, the multiplexer capable of connecting the charging port to a single battery at a time and capable of switching the connection of the charging port to each battery in the battery bank; and a microcontroller connected to the multiplexer and operatively coupled to each battery in the battery bank, the microcontroller capable of receiving discharge data and charge data for each battery in the battery bank, the microcontroller capable of instructing the multiplexer to switch the connection of the charging port with each battery in dependence upon the discharge data and the charge data for that battery. | 2009-06-25 |
20090160402 | Quick Conditioning Memory Backup Battery - A quick conditioning cycle system to avoid performance degradation at the end of calibrating cycle. The quick conditioning cycle system discharges a battery to a level where battery remaining capacity is still high enough to backup memory at a guaranteed period of time. During the quick learning cycle, the battery pack is discharged from a full charge. If measured capacity exceeds a predetermined threshold (Cpc), calibration stops. Otherwise, the quick conditioning cycle system reports a defected battery when measured capacity is less than Cpc and continues discharging to a full conditioning cycle, if desired. | 2009-06-25 |
20090160403 | BATTERY TESTING DEVICE AND BATTERY TESTING METHOD - The present invention applies load to a portable telephone by charging and discharging a secondary battery conforming to the actual way of use of the portable telephone, so that the performance of the secondary battery in a portable telephone connected for charging can be accurately tested. A battery testing device of the present invention has: a charge control circuit for controlling input power which is input to a lithium ion battery via an AC adapter; and a radio circuit for controlling output power which is output from the lithium ion battery and discharging the lithium ion battery, wherein when the lithium ion battery reaches a fully charged state, the radio circuit starts discharging while the charge control circuit stops charge of the lithium ion battery using the AC adapter, and when the lithium ion battery reaches a predetermined charged state, the charge control circuit starts charge of the lithium ion battery using the AC adapter while the radio circuit stops discharge of the lithium ion battery. | 2009-06-25 |
20090160404 | INFORMATION PROCESSING APPARATUS - An information processing apparatus includes: a connector for connecting an electronic device; a communication path for communicating a data signal with the electronic device connected to the connector; a power supply path for supplying and receiving electric power to and from the electronic device connected to the connector; a detection unit that detects a power state of the information processing apparatus; and a switching unit that switches a direction of electric current flowing on the power supplying path according to the power state detected by the detection unit between one of a first direction in which the electric current flows to supply the electric power from the information processing apparatus to the electronic device and a second direction in which the electric current flows to receive the electric power from the electronic device. | 2009-06-25 |
20090160405 | Battery Pack - In a battery pack, an overcharge detecting circuit compares a voltage between a positive electrode and a negative electrode of a secondary battery with a threshold voltage to detect an overcharge of the secondary battery, and turns off a switching element. A series circuit including a thermistor and a resistor is arranged near the secondary battery and connected in parallel to the secondary battery. A comparator compares a voltage at a junction point of the thermistor and the resistor with a reference voltage corresponding to a predetermined temperature. In response to an output signal of the comparator, a changing unit changes the threshold voltage to a first value when a temperature of the secondary battery is below the predetermined temperature, and changes the threshold voltage to a second smaller value when the temperature of the secondary battery is above the predetermined temperature. | 2009-06-25 |
20090160406 | CHARGING METHOD AND SYSTEM UTILIZING THE SAME - A charging method for a rechargeable battery is disclosed. A preset power is provided to the rechargeable battery when the rechargeable battery is connected to a charger for execution of a first charge process. A use state of the rechargeable battery is obtained. A first adjustable charge power is provided to the rechargeable battery when the rechargeable battery is reconnected to the charger for execution of a second charge process. | 2009-06-25 |
20090160407 | Charger Capable of Performing Integrated Control and Separate Control of Parallel Operations - The present invention relates to a charger capable of performing the integrated control and separate control of parallel operations. The charger includes a plurality of charging modules connected in parallel with each other. Each of the charging modules includes a rectification unit for converting input AC power into DC power. The system also includes a power conversion unit, a switching control unit, a DC unit, a detection unit, and a computation control unit. The computation control unit receives the voltage and current, detected by and fed back from the detection unit, computes the voltage and the current, and transmits a control signal required to allow the DC unit to supply a primary constant current, a constant voltage, and a secondary constant current to a battery. | 2009-06-25 |
20090160408 | BATTERY CHARGING DEVICE, THREE-PHASE VOLTAGE GENERATING CIRCUIT, THREE-PHASE VOLTAGE GENERATION METHOD AND DELAY ANGLE CONTROL METHOD - In the battery charging device of the present invention, a U, V, W phase voltage generating circuit detects a voltage signal of a U phase sub-coil of a three-phase alternating current generator, and generates a signal of a triangular wave that is in synchronization with the U phase. Moreover, a first triangular wave is generated in synchronization with a phase from 0° to 180° of the U phase rectangular wave, and a second triangular wave is generated in synchronization with a phase from 180° to 360° of the U phase. In addition, a V phase rectangular wave is generated in which the level is inverted at a voltage point of two thirds the peak voltage of the first triangular wave, and in which the level is inverted at a voltage point of two thirds the peak voltage of the second triangular wave, and a W phase rectangular wave is generated in which the level is inverted at a voltage point of one third the peak voltage of the first triangular wave, and in which the level is inverted at a voltage point of one third the peak voltage of the second triangular wave. | 2009-06-25 |
20090160409 | Power Supply for a Load Control Device - A power supply for a load control device generates a DC voltage and provides an asymmetrical output current, while drawing a substantially symmetrical input current. The power supply comprises a controllably conductive switching circuit for controllably charging an energy storage capacitor across which the DC voltage is produced. The energy storage capacitor begins charging at the beginning of a half-cycle and stops charging after a charging time in response to the magnitude of the DC voltage and the amount of time that the energy storage capacitor has been charging during the present half-cycle. The charging time is maintained substantially constant from one half-cycle to the next. The power supply is particularly beneficial for preventing asymmetrical current from flowing in a multiple location load control system having a master load control device supplying power to a plurality of remote load control devices all located on either the line-side or the load-side of the system. | 2009-06-25 |
20090160410 | REAL TIME CLOCK (RTC) VOLTAGE REGULATOR AND METHOD OF REGULATING AN RTC VOLTAGE - A real time clock (RTC) voltage regulator, a method of regulating an RTC voltage and a power management integrated circuit (PMIC). In one embodiment, an RTC voltage regulator includes a current source configured to provide a first current and a voltage regulator having a common gate amplifier and a power device. The first current is employed to establish a reference voltage for the common gate amplifier and the common gate amplifier is configured to control the power device. The power device is configured to provide an RTC voltage for the common gate amplifier. | 2009-06-25 |
20090160411 | FAST VOLTAGE REGULATORS FOR CHARGE PUMPS - A digital multilevel memory system includes a charge pump and a voltage regulator for generating regulated high voltages for various memory operations. The charge pump may include a plurality of boost circuits to boost the output of the charge pump during a fast start up. Afterwards, the boost circuits are disabled to allow the charge pump to generate high voltages without boosting. The boost circuits may be successively enabled to boost the voltage. The boost circuits may be loadless. The voltage regulator may operate in an open loop and may include a resistive divider as a reference voltage for regulating the high voltage from the charge pump. The charge pump may include spread spectrum pump clocking to reduce electromagnetic inference for capacitor or inductor on-chip charge pumping. | 2009-06-25 |
20090160412 | METHODS AND SYSTEMS FOR CONTROL OF SWITCHES IN POWER REGULATORS/POWER AMPLIFIERS - Systems and methods for controlling timing of switches in power regulator/power amplifiers. | 2009-06-25 |
20090160413 | METHOD AND ARRANGEMENT FOR THE POWER SUPPLY OF AN INDUCTION HEATING DEVICE - In order to increase the power of an induction heating device or in order to avoid system reactions when driving the latter, either the pulse widths of the two switching means can be made unsymmetrical in the case of half-bridge driving up to the half-point of a half-cycle. Alternatively, a dead time between the pulse width can be extended. This advantageously takes place without interruption and continuously. In the course of a half-cycle, the power is thus reduced given an unaltered operating frequency and an inductor current has virtually an ideal sine-wave form. | 2009-06-25 |
20090160414 | COMPARATOR-SYSTEM DC-DC CONVERTER - The comparator-system DC-DC converter | 2009-06-25 |
20090160415 | METHOD AND APPARATUS TO CONTROL A POWER SUPPLY FOR HIGH EFFICIENCY - A power supply control circuit is disclosed. In one aspect, a power supply control circuit includes a controller to be coupled to a switch to regulate an output of a power supply in response to a feedback signal and a parameter change signal. A parameter response circuit is coupled to generate the parameter change signal in response to a difference between a first value of a parameter measured before an event and a second value of the parameter measured after the event. The difference between the first value of the parameter and the second value of the parameter is representative of the relative efficiency of the power supply. | 2009-06-25 |
20090160416 | DC-DC CONVERTER - A DC-DC converter generates an optimal slope compensation voltage in response to input and output voltages, thus capable of maintaining its operational stability even when a dynamic range of the output voltage is widen. The DC-DC converter compares an error voltage corresponding to a difference between a feedback voltage of the output voltage and a reference voltage with a ramp signal whose voltage level corresponds to a current detection signal, so as to configure an off-timing of an output transistor. A slope of the ramp signal is configured so that the ramp signal is proportional to a difference between the output voltage and the input voltage. A slope compensation circuit for generating the ramp signal includes an adding circuit for generating a slope controlling electric current corresponding to a voltage in which a voltage corresponding to the input voltage is subtracted from a voltage corresponding to the output voltage, and a capacitor electrically charged with the slope controlling current. | 2009-06-25 |
20090160417 | Current limiting device for plasma power supply - The current (I | 2009-06-25 |
20090160418 | DC-DC CONVERTER - A DC-DC converter includes a reference voltage generation circuit. The reference voltage generation circuit generates a reference voltage for determination of the pulse width of a drive signal to be supplied to a switching circuit. The reference voltage generation circuit includes a current sensing circuit. The current sensing circuit has a first MOS transistor, a second MOS transistor, a resistive element and an amplifier circuit. | 2009-06-25 |
20090160419 | START-UP CIRCUIT FOR REFERENCE VOLTAGE GENERATION CIRCUIT - Embodiments relate to a start-up circuit for a reference voltage generation circuit. According to embodiments, a start-up circuit may include a start-up start unit allowing current to flow in the reference voltage generation circuit to initiate a start-up process in response to a start-up start signal, a reference current generation unit decreasing a variable voltage depending on whether the reference voltage generation circuit is started up and generating start-up reference current corresponding to the variable voltage, and a start-up controller detecting current flowing in the reference voltage generation circuit, comparing the detected result with the start-up reference current, and outputting the compared result as a start-up start signal. Current consumption may be decreased after start-up. A BRG circuit may be stably started up. If a high supply voltage is used, current consumption may decrease, and if a low supply voltage is used, a BGR circuit may be stably started up. | 2009-06-25 |
20090160420 | DIFFERENTIAL CURRENT MIRROR CIRCUIT - A differential current mirror circuit includes: a first branching unit that branches current through a first current input terminal to a first current path and a second current path; a second branching unit that branches current through a second current input terminal to a third current path and a fourth current path; and a current mirror that copies current. The current copied by the current mirror is a combination of the current flowing through the second current path and the fourth current path and removal of the in-phase component from current through the first current path enables only the differential component flowing through the first current path to flow to a first current output terminal. Similarly, the in-phase component from current through the third current path is removed, enabling only the differential component flowing through the third current path to flow to a second current output terminal. | 2009-06-25 |
20090160421 | Multi-regulator power delivery system for ASIC cores - An electronic product includes an application specific semiconductor chip (ASIC) device which includes in its circuitry both a linear regulator module configured to be coupled to an optional external capacitance and a capless regulator module configured to be coupled to internal capacitance of the electronic product. Control logic of the ASIC device is responsive to a regulator selection signal for selecting one of the linear regulator module and the capless regulator module for use in powering the ASIC device. The control logic may select the linear regulator module for certain times of operation and the capless regulator module for other times of operation. | 2009-06-25 |
20090160422 | BOOST CONVERTER WITH ADAPTIVE COIL PEAK CURRENT - A power conversion circuit operates in a discontinuous switching mode over a wide range of loading conditions and varies a coil peak current to maintain efficiency over the wide range of loading conditions. The coil peak current is adjustable based at least in part on a feedback signal generated in response to a load condition. | 2009-06-25 |
20090160423 | Self-configurable multi-regulator ASIC core power delivery - An electronic product includes an application specific semiconductor circuit (ASIC) including in its circuitry both a linear regulator module for use with an optional external capacitance and a capless regulator module coupled to internal capacitance of the product. The capless regulator module includes both a low-power sub-module and a high-power sub-module. Control logic of the ASIC is configured to determine if an external capacitance is present. If so, the control logic causes the high-power capless regulator sub-module to be used during a power-up phase of the ASIC; if not, only the low-power capless regulator sub-module is used during the power-up phase of the ASIC. After power-up of the ASIC, the control logic may select the linear regulator module for certain times of operation and the capless regulator module for other times of operation or it may select one or the other for all times of post-power-up operation. | 2009-06-25 |
20090160424 | HIGH-VOLTAGE POWER SUPPLY DEVICE AND IMAGE FORMING APPARATUS HAVING SAME - A high-voltage power supply device includes a circuit board having a piezoelectric transformer; a frequency-controlled oscillator for generating a frequency signal that drives the piezoelectric transformer in accordance with a control signal; a switching element connected to a primary side of the piezoelectric transformer for performing a switching operation in accordance with the frequency signal; a capacitor and inductor forming a parallel resonance circuit for performing a resonating operation owing to switching by the switching element; and a capacitance element connected across ground and the power-supply side of the inductor. The capacitance element and the inductor are arranged on the circuit board in such a manner that when the circuit board undergoes solder-mounting, the capacitance element and the inductor are immersed in a solder bath before the piezoelectric transformer. | 2009-06-25 |
20090160425 | Multi-Test Circuit Interrupter Tester - A testing system includes a hand-held transmitter that plugs into a receptacle electrically coupled to a selected branch circuit. The transmitter includes a circuit effective to test an arc fault circuit interrupter electrically coupled to the branch circuit by creating a first pulse on the branch circuit that is effective to trip the arc fault circuit interrupter. The transmitter can perform at least one additional test including: determining whether the receptacle is wired properly; determining a location of a circuit interrupting device electrically coupled to the branch circuit by creating a second pulse on the branch circuit that can be sensed by a receiver located proximately to the respective circuit interrupting device and broadly tuned about a frequency of the second pulse; and testing a ground fault circuit interrupter electrically coupled to the branch circuit by creating a third pulse on the branch circuit that is effective to trip the ground fault circuit interrupter. | 2009-06-25 |
20090160426 | Electronic elongation-sensing rope - A fibrous tension member includes a plurality of structural threads and two or more indicator threads. The two or more indicator threads are located with respect to the plurality of structural threads such that a differential elongation between the two or more indicator threads indicates a curvature. The differential elongation between the two or more indicator threads is measured using a change in one or more electrical properties of each of the two or more indicator threads as each of the two or more indicator threads changes in length. A fibrous tension member includes a plurality of structural threads and one or more indicator threads. Each of the one or more indicator threads is more sensitive to elongation in a region of length of the fibrous tension member. The elongation of the region associated with one of the one or more indicator threads is measured using a change in one or more electrical properties of one of the one or more indicator threads as one of the one or more indicator threads changes in length. | 2009-06-25 |
20090160427 | SHORE POWER CORD GROUND WIRE CURRENT DETECTOR - A current detector and indicator unit are coupled to a shore power cord for monitoring for corrosion-causing galvanic current on the ground wire of the power cord. A current transducer coupled to the ground wire senses current and provides a signal corresponding to the magnitude of the sensed current to a microcontroller. The microcontroller compares the magnitude of the current signal to one or more predetermined thresholds and outputs signals to an indicator unit to display the level of galvanic activity accordingly. | 2009-06-25 |
20090160428 | OVERCURRENT DETECTION DEVICE - The present invention discloses an overcurrent detection device, which uses a first NOT gate and a second NOT gate to reverse the logic states of a first digital signal and a second digital signal which are digitalized audio signals in a class D power amplifier. Next, a CMOS transistor receives the reversed digital signals and drives a load. A comparing circuit detects the current of the load and compares the current with the reversed first and second digital signals. When the current of the load is too high, the comparing circuit respectively outputs a first electrical signal and a second electrical signal to a first logic gate and a second logic gate. Then, the logic gate outputs a signal to activate a protection circuit to prevent the entire circuit be damaged or burned out. | 2009-06-25 |
20090160429 | FREQUENCY COMPONENT MEASURING DEVICE - It is possible to provide a frequency component measuring device capable of narrowing the range of transmission frequency of a local oscillator, preventing degradation of the level measurement accuracy, and measuring the level of a modulation wave. The device includes: a local oscillator ( | 2009-06-25 |
20090160430 | HAND-HELD MICROWAVE SPECTRUM ANALYZER WITH OPERATION RANGE FROM 9 KHz TO OVER 20 GHz - A spectrum analyzer is provided that includes components to achieve from below 9 kHz to above 20 GHz operation range while remaining hand-held. Components of the spectrum analyzer include an integrated precision stand-alone step attenuator that does not rely on printed circuit board (PCB) mounted circuit elements within the signal path. Further, a PIN diplexing switch separates signals into different base-band and highband paths. The baseband path includes a pre-amplifier for low frequency signals, while the higher frequency bands may not necessarily include a pre-amplifier. The baseband path further provides improved broadband termination of its 1 | 2009-06-25 |
20090160431 | Measuring Method, Arrangement and Software Product - The invention presents a method for determining the copper concentration of the substrate using the photoconductivity method in a new manner, the method comprising steps in which the photoconductivity property of the substrate is measured for a first time by an arrangement, the surface of the substrate is illuminated by illuminating means emitting photon radiation, the photoconductivity property of the substrate is measured for a second time by an arrangement, and the copper concentration of the substrate is determined from the change between the first and second time of measurement on the basis of the illumination. The invention also presents an arrangement and a software product for determining the copper concentration. | 2009-06-25 |
20090160432 | PROBE CARD ASSEMBLY WITH AN INTERCHANGEABLE PROBE INSERT - A probe card assembly can include an insert holder configured to hold a probe insert, which can include probes disposed in a particular configuration for probing a device to be tested. The probe card assembly can provide an electrical interface to a tester that can control testing of the device, and while attached to the probe card assembly, the insert holder can hold the probe insert such that the probe insert is electrically connected to electrical paths within the probe card assembly that are part of the interface to the tester. The insert holder can be detached from the probe card assembly. The probe insert of the probe card assembly can be replaced by detaching the insert holder, replacing the probe insert with a new probe insert, and then reattaching the insert holder to the probe card assembly. The probe insert and holder can be integrally formed and comprise a single structure that can be detached from a probe card assembly and replaced with a different probe insert and holder. | 2009-06-25 |
20090160433 | Arrangement for Detecting the Movement of a Body and a Method for the Operation of such an Arrangement - An arrangement for detecting a movement of a body, in which the body ( | 2009-06-25 |
20090160434 | INCREMENTAL DISPLACEMENT TRANSDUCER AND METHOD FOR DETERMINING A DISPLACEMENT OF A FIRST OBJECT RELATIVE TO A SECOND OBJECT - The present invention relates to an incremental displacement transducer for determining a displacement of a first object relative to a second object having a scanning unit linked or to be linked with the first object for scanning a spacing or division track linked or to be linked with the second object having first areas and second areas arranged in alternating manner with a period length, the first areas having a first physical property and the second areas a second physical property differing therefrom, and where the scanning unit has a plurality of sensors for scanning the first areas and the second areas on the basis of the first and/or second physical property, and having an evaluation unit linked with the scanning unit for determining the displacement on the basis of measuring signals of the sensors. The incremental displacement transducer is characterized in that the scanning unit has at least four sensors which are mutually spaced from one another over at least one period length of the spacing track, that at least one first signal can be generated from the measuring signals of the sensors in the evaluation unit for determining the displacement, that the first switching signal assumes a first value if the measuring signal of a first selected sensor of a first subgroup of sensors assumes a maximum value within the first subgroup and simultaneously the measuring signal of a second selected sensor of a second subgroup of sensors assumes a maximum value within the second subgroup and/or that the first switching signal assumes a first value if the measuring signal of a third selected sensor of a third subgroup of sensors assumes a maximum value within the third subgroup and simultaneously the measuring signal of a fourth selected sensor of a fourth subgroup of sensors assumes a maximum value within the fourth subgroup, and that the first switching signal otherwise assumes a second value, each subgroup comprising at least two sensors. The invention also relates to a method for determining a displacement of a first object relative to a second object. | 2009-06-25 |
20090160435 | LINEAR SENSOR HAVING ANGULAR REDIRECTION AND CABLE DISPLACEMENT - The linear sensor | 2009-06-25 |
20090160436 | Reference signal generation circuit, angle converter, and angle detection apparatus - A reference signal generation circuit generates a reference signal used in synchronous detection for removing an excitation signal component in an angle calculation section that converts a detection angle θ obtained from two-phase resolver detection signals output from a resolver, to a digital output angle φ. The reference signal generation circuit includes a first multiplier, a second multiplier, and an adder. The first multiplier multiplies one of the resolver detection signals sin θ sin(ωt+Δω) by the sine value sin φ of the digital output angle φ obtained from the angle calculation section. The second multiplier multiplies the other resolver detection signal cos θ sin(ωt+Δω) by the cosine value cos φ of the digital output angle φ obtained from the angle calculation section. The adder adds the output of the first multiplier and the output of the second multiplier to output the sum signal sin(ωt+Δω) as the reference signal. | 2009-06-25 |
20090160437 | Eddy Current Probe And Method Of Manufacture Thereof - Disclosed is an eddy current probe that includes a plurality of kidney-shaped coils disposed in end-to-end relation about an axis of an elongated body. An inner radius of each kidney-shaped coil faces the axis. An outer radius of each kidney-shaped coil faces away from the axis. A plurality of wires is provided, each of which is connected to one of the ends of one of the kidney-shaped coils via an opening in the body that runs inside the body from one end of the body to a position intermediate the one end of the body and the kidney-shaped coils. Also, disclosed is a method of making the eddy current probe including a method of forming each kidney-shaped coil. | 2009-06-25 |
20090160438 | SYSTEM FOR MEASURING AN ELECTROMAGNETIC FIELD, A CONTROL SYSTEM USING THE MEASURING SYSTEM, AND AN ELECTRONIC CIRCUIT DESIGNED FOR THE MEASURING SYSTEM - This system for measuring an electromagnetic field radiated by an electrical component of an electronic circuit, the electrical component being fixed to a dielectric substrate of the electronic circuit, is wherein a transducer ( | 2009-06-25 |
20090160439 | Susceptibility-Matched Multi-Well Sample Holders for High-Throughput Screening by Magnetic Analysis - A method of performing high throughput magnetic sensing of one or more samples. The method comprises selecting a first sample having a first bulk magnetic susceptibility, selecting an assay plate having a second bulk magnetic susceptibility matched to the first bulk magnetic susceptibility, the assay plate including multiple wells, introducing the first sample into a plurality of the wells, and performing magnetic sensing on the plurality of wells containing the first sample. Assay plates, caps, kits, and other devices and methods relating to high throughput magnetic sensing are also disclosed. | 2009-06-25 |
20090160440 | MAGNETIC RESONANCE IMAGING APPARATUS AND MAGNETIC RESONANCE IMAGING METHOD - A magnetic resonance imaging apparatus includes an input unit, a data acquisition unit and an image generating unit. The input unit inputs information indicating a matter of which resonance frequency is a center frequency of an excitation pulse. The data acquisition unit acquires magnetic resonance data with obtaining a steady state free precession. Each of the plural excitation pulses has a transmission phase varying by a variation amount determined based on a difference between a resonance frequency and the center frequency. The image generating unit generates an image of the desired matter based on the magnetic resonance data. | 2009-06-25 |
20090160441 | Magnetic Resonance Imaging Apparatus - A vertical magnetic field type MRI apparatus is capable of high-speed-imaging a large cross section such as a whole human body while suppressing an increase in the number of channels and maintaining sensitivity to a deep portion of a subject to be high. A receiving coil is composed of a plurality of sub coils. A first sub coil ( | 2009-06-25 |
20090160442 | DOUBLE RESONANT TRANSMIT RECEIVE SOLENOID COIL FOR MRI - A magnetic resonance system ( | 2009-06-25 |
20090160443 | ELECTRONIC DEVICE FOR A MAGNETIC RESONANCE APPARATUS - An electronics device for a magnetic resonance apparatus has a housing in which one or more electronic components to be cooled are accommodated, with a flat cold distributor provided in the housing that can be supplied with an externally fed coolant, and that is associated with a blower to circulate the air inside the housing. | 2009-06-25 |
20090160444 | Low temperature squid transient electromagnetic receiver system - A receiver system ( | 2009-06-25 |
20090160445 | Resistivity Reference Receiver - A downhole induction resistivity assembly that comprises a downhole tool string component. The tool string component comprises an induction transmitter. The transmitter is adapted to induce an induction field in the surrounding formation. A first induction receiver is spaced apart from the transmitter and is adapted to measure the induction field. A magnetic field generating mechanism is disposed adjacent on either or both sides of the transmitter and adapted to guide the transmitter's signal into the formation. A second induction receiver is disposed in close proximity to the magnetic field generating mechanism and is adapted to measure the magnetic field generated by the mechanism. | 2009-06-25 |
20090160446 | Resistivity Receiver Spacing - A downhole induction resistivity assembly that comprises a downhole tool string component. The tool string component comprises an induction transmitter. The transmitter is adapted to induce an induction field in the surrounding formation. A first induction receiver is spaced apart from the transmitter and is adapted to measure the induction field. A magnetic field generating mechanism is disposed adjacent on either or both sides of the transmitter and adapted to guide the transmitter's signal into the formation. A second induction receiver is disposed in close proximity to the magnetic field generating mechanism and is adapted to measure the magnetic field generated by the mechanism. | 2009-06-25 |
20090160447 | Independently Excitable Resistivity Units - A downhole induction resistivity assembly that comprises a downhole tool string component. The tool string component comprises an induction transmitter. The transmitter is adapted to induce an induction field in the surrounding formation. A first induction receiver is spaced apart from the transmitter and is adapted to measure the induction field. A magnetic field generating mechanism is disposed adjacent on either or both sides of the transmitter and adapted to guide the transmitter's signal into the formation. A second induction receiver is disposed in close proximity to the magnetic field generating mechanism and is adapted to measure the magnetic field generated by the mechanism. | 2009-06-25 |
20090160448 | Induction Resistivity Cover - A downhole induction resistivity assembly that comprises a downhole tool string component. The tool string component comprises an induction transmitter. The transmitter is adapted to induce an induction field in the surrounding formation. A first induction receiver is spaced apart from the transmitter and is adapted to measure the induction field. A magnetic field generating mechanism is disposed adjacent on either or both sides of the transmitter and adapted to guide the transmitter's signal into the formation. A second induction receiver is disposed in close proximity to the magnetic field generating mechanism and is adapted to measure the magnetic field generated by the mechanism. | 2009-06-25 |
20090160449 | Antennas for Deep Induction Array Tools with Increased Sensitivities - Improved receiver antennas are disclosed for long offset tensor induction army logging tools. The disclosed antennas include a bobbin which accommodates a ferromagnetic core. The outer surface of the bobbin is wrapped around a binding so that winding is thicker or includes more turns towards a center of the bobbin and is thinner or includes less turns towards the outer ends of the bobbin. The result is that the primary winding with a curved or parabolic profile that enhances the effective magnetic permeability and magnetic moment of the antenna. A secondary winding may also be utilized for flux feedback compensation. The elimination of winding turns towards the ends of the magnetic coil result in reduced DC resistance and the reduction in parasitic capacitance of the antennas. The disclosed antennas may be used in x-y-z receiver arrays. | 2009-06-25 |
20090160450 | METHOD AND DEVICE FOR PROVIDING DIAGNOSTICS FOR AN INTERNAL COMBUSTION ENGINE IGNITION COIL - A method providing diagnostics of operation of an internal combustion engine ignition coil further including at least one electric cable connecting the ignition coil to at least one spark plug installed in a cylinder head of the engine. The method temporarily introduces a voltage-controlled switch into the ignition circuit, causing the coil to supply a diagnostics voltage higher than a threshold value needed for the spark plug to form a spark, so as to cause a spark to form between the central electrode of the spark plug and a conducting element of the switch, and checks that a spark actually is formed in response to the supply. | 2009-06-25 |
20090160451 | SCAN TOOL FOR ELECTRONIC BATTERY TESTER - A cable for connecting to an electronic battery tester, includes a first end configured to couple to a databus of a vehicle and a second end configured to couple to the electronic battery tester. An electrical connection extends between the first end and the second end and is configured to couple the electronic battery tester to the databus of the vehicle. | 2009-06-25 |
20090160452 | METHOD AND SYSTEM FOR DETERMINING BATTERY CELL VOLTAGE - Embodiments of the invention relate to a method and system of determining over-voltage and under-voltage conditions for cells in a battery pack. The method includes combining the cells in a battery pack into groups, detecting each cell group's voltage, and calculating ratios of cell group voltages to determine over-voltage and under-voltage conditions. | 2009-06-25 |
20090160453 | METHOD AND APPARATUS FOR DETECTING GROUND FAULT - Method and apparatus for detecting a ground fault, the apparatus comprising means arranged to monitor a sum current of output phases of a frequency converter, means arranged to detect a ground fault, if the sum current exceeds a predetermined threshold value, and means for performing the initial setting of the threshold value, the means being arranged to determine the value of the sum current when the frequency converter starts up and to set the threshold value so that it is greater than the predetermined value of the sum current. | 2009-06-25 |
20090160454 | Ground Fault Detection - The present invention relates to a ground fault detection arrangement for a synchronous three-phase electrical machine, and an electrical system comprising a ground fault detection arrangement and a synchronous three-phase electrical machine. The ground fault detection arrangement injects an off-nominal frequency voltage between a neutral point of the synchronous three-phase electrical machine and ground and measure resultant currents to detect a ground fault. | 2009-06-25 |
20090160455 | DEVICE FOR DETECTING FAULTY POSITION AND SEPARATING FASTENERS AND SPACERS AS WELL AS METHOD - A device for detecting the faulty position of and separating fasteners, more particularly blind rivets in a continuously operating conveyor apparatus, by means of which the fasteners are supplied to an automated joining machine, wherein each fastener is followed in the normal case by a spacer. According to the disclosed embodiments the device has at least three detectors, more particularly contactless inductively acting ring initiators with which on the one hand fasteners can be differentiated from spacers and on the other hand fasteners in the correct position can be differentiated from fasteners in the faulty position in the conveyor apparatus, more particularly in a supply tube. As a result of the at least three ring detectors a minimum-wear low-maintenance operation is ensured so that outage times of the rivet setter and automated riveting machine are reduced as a result of the device connected in on the input side. Furthermore a complex breakdown recognition is possible with corresponding evaluation. Furthermore the disclosed embodiments relate to a method for detecting the position of and separating fasteners in the conveyor apparatus by means of the device. | 2009-06-25 |
20090160456 | DEVICE FOR INSPECTING SOLDERING SPOTS IN A STORAGE BATTERY - A device for inspecting a soldering spot in a storage battery includes a power supply unit and an inspecting unit. The power supply unit outputs a test power signal to be applied to the soldering spot. The inspecting unit includes first and second inspecting terminals, and a control module. The first and second inspecting terminals are adapted to be connected electrically to the soldering spot so as to detect response of the soldering spot to application of the test power signal by the power supply unit. The control module determines if a detected response of the soldering spot as detected through the first and second inspecting terminals falls within a predetermined range configured in the control module, generates an indication signal if the detected response falls outside the predetermined range, and generates an inspection result corresponding to the detected response. | 2009-06-25 |
20090160457 | CIRCUIT FOR THE DETECTION OF SOLDER-JOINT FAILURES IN A DIGITAL ELECTRONIC PACKAGE - The solder-joint integrity of digital electronic packages, such as FPGAs or microcontrollers that have internally connected input/output buffers, is evaluated by applying a time-varying voltage through one or more solder-joint networks to charge a charge-storage component. Each network includes an I/O buffer on the die in the package and a solder-joint connection, typically one or more such connections inside the package and between the package and a board. The time constant for charging the component is proportional to the resistance of the solder-joint network, hence the voltage across the charge-storage component is a measurement of the integrity of the solder-joint network. | 2009-06-25 |
20090160458 | Network analyzer calibrator having electrical and electrooptical components - A calibration kit ( | 2009-06-25 |
20090160459 | SYSTEM FOR DIAGNOSING IMPEDANCES HAVING ACCURATE CURRENT SOURCE AND ACCURATE VOLTAGE LEVEL-SHIFT - The present invention relates to a system for measuring a capacitor (C). A current source ( | 2009-06-25 |
20090160460 | ANALYSIS OF A MATERIAL WITH CAPACITIVE TECHNOLOGY - Several apparatuses and a method for enabling of analysis of a material based on capacitive technology are disclosed. In an embodiment, the apparatus includes a first conductive surface. A second conductive surface is located substantially parallel to the first conductive surface. A measurement module measures a change in capacitance produced when a material is passed between the first conductive surface and the second conductive surface. The apparatus may include a database comprising a capacitance value of the material. A change in capacitance may be compared to the database to generate an identity of the material. A reference capacitor may enable the measurement module to adjust the measurement based on an environmental condition. | 2009-06-25 |
20090160461 | CAPACITIVE SENSOR AND MEASUREMENT SYSTEM - A system includes a capacitive sensor including a first electrode and a second electrode. The system includes a measurement system configured to sense a capacitance between the first electrode and the second electrode and apply a first offset to the sensed capacitance to provide an offset compensated capacitance. | 2009-06-25 |
20090160462 | MICROELECTROMECHANICAL CAPACITOR BASED DEVICE - A system and methods of a microelectromechanical capacitor based device are disclosed. In one embodiment, a system of a microelectromechanical capacitive device includes a housing formed when a nonconductive material is deposited on a substrate, and a conductive plate mechanically coupled to the housing. The system further includes an additional housing coupled to the housing and an additional conductive plate that is substantially parallel to the conductive plate. The additional conductive plate is coupled to the additional conductive plate. The additional housing may be formed when an additional nonconductive material is deposited on an additional substrate. The substrate and the additional substrate may be dissolved using a chemical etching process when the housing and the additional housing are coupled. | 2009-06-25 |
20090160463 | CHARACTERIZATION CIRCUIT FOR FAST DETERMINATION OF DEVICE CAPACITANCE VARIATION - A test circuit for fast determination of device capacitance variation statistics provides a mechanism for determining process variation and parameter statistics using low computing power and readily available test equipment. A test array having individually selectable devices is stimulated under computer control to select each of the devices sequentially. A test output from the array provides a current or voltage that dependent on a particular device parameter. The sequential selection of the devices produces a voltage or current waveform, characteristics of which are measured using a digital multi-meter that is interfaced to the computer. The rms value of the current or voltage at the test output is an indication of the standard deviation of the parameter variation and the DC value of the current or voltage is an indication of the mean value of the parameter. | 2009-06-25 |
20090160464 | METHOD AND APPARATUS FOR MAKING A DETERMINATION RELATING TO RESISTANCE OF PROBES - According to some embodiments, a method of determining a resistance of probes on a contactor device is disclosed. The contactor device can include a plurality of probes disposed to contact an electronic device to be tested. The method can include electrically connecting a pair of the probes to each other, and then forcing one of a voltage onto or a current through the pair of the probes. At a location on the contactor device, the other of a voltage across or a current through the pair of the probes can be sensed. A determination relating to a resistance of the probes can be determined from the values of the forced voltage or current and sensed other of the voltage or current. | 2009-06-25 |
20090160465 | DETERMINATION OF EQUIVALENT SERIES RESISTANCE - A determination of an equivalent series resistance (ESR) effect for high frequency filtering performance of a filtered feed-through assembly is described. A low frequency signal is introduced to a filtered feed-through assembly. ESR limit of the filtered feed-through is determined based on the low frequency signal. | 2009-06-25 |
20090160466 | SELF-ISOLATING MIXED DESIGN-RULE INTEGRATED YEILD MONITOR - Assessing open circuit and short circuit defect levels in circuits implemented in state of the art ICs is difficult when using conventional test circuits, which are designed to assess continuity and isolation performance of simple structures based on individual design rules. Including circuit blocks from ICs in test circuits provides a more accurate assessment of defect levels expected in ICs using the circuit blocks. Open circuit defect levels may be assessed using continuity chains formed by serially linking continuity paths in the circuit blocks. Short circuit defect levels may be assessed by using parallel isolation test structures formed by linking isolated conductive elements in parallel to buses. Forming isolation connections on a high metal level enables location of shorted elements using voltage contrast on partially deprocessed or partially fabricated test circuits. | 2009-06-25 |
20090160467 | Connection unit, a board for mounting a device under test, a probe card and a device interfacing part - A connection unit for electrically connecting a DUT mounting board, on which an IC socket is mounted, with a testing apparatus for testing an electronic device inserted into the IC socket, the connection unit has a holding substrate provided to face the DUT mounting board and a connection-unit-side connector, which is provided on the holding substrate to be able to change a position of the connection-unit-side connector on the holding substrate, for being connected to a performance-board-side connector included in the DUT mounting board. | 2009-06-25 |
20090160468 | SYSTEM FOR TESTING AN INTEGRATED CIRCUIT OF A DEVICE AND ITS METHOD OF USE - A cartridge, including a cartridge frame, formations on the cartridge frame for mounting the cartridge frame in a fixed position to an apparatus frame, a contactor support structure, a contactor interface on the contactor support structure, a plurality of terminals, held by the contactor support structure, for contacting contacts on a device, and a plurality of conductors, held by the contactor support structure, connecting the interface to the terminals. | 2009-06-25 |
20090160469 | ELECTRIC CONNECTING APPARATUS - In an electrical connecting apparatus, a thermal deformation restriction member, a reinforcing plate, and an auxiliary member are made of materials having smaller thermal expansion coefficients in this order, and a wiring board supporting a probe assembly is coupled with the reinforcing plate. The auxiliary member has a void inside the coupling region with the reinforcing plate. The void receives the deformed part when the center portion of the wiring board is deformed toward the reinforcing plate. Thus, the thermal deformation restriction member, the reinforcing plate, and the auxiliary member function as a three-layer bimetal having a sandwich structure, and the thermal deformation of the wiring board is restricted effectively. | 2009-06-25 |
20090160470 | SEMICONDUCTOR AND METHOD - A semiconductor and method is disclosed. One embodiment includes a detector arrangement to detect the position of a connection element. A probe tip, the detector arrangement including first connection pads are arranged on a substrate surface. A first circuit is connected to the first connection pads. | 2009-06-25 |
20090160471 | Contact Alignment Verification/Adjustment Fixture - In an electronic testing machine including at least one test module having a plurality of contacts for testing electronic components, the improvement of a contact alignment tool for aligning the contacts including a body to be positioned relative to the testing machine such that the body can be radially indexed along a path to a contact alignment test position proximate the contacts of the test module, and a plurality of circuits associated with the body, each circuit including at least one output signal connection and at least one open contact station, each open contact station defined by at least one open circuit trace pattern, such that each open contact station will be closed by the contacts when the body is located at the contact test position proximate the contacts and the contacts are properly aligned. A method and apparatus for aligning contacts of an electronic testing machine including at least one test module having a plurality of contacts. | 2009-06-25 |
20090160472 | WAFER-LEVEL BURN-IN METHOD AND WAFER-LEVEL BURN-IN APPARATUS - Temperature control in wafer-level burn-in is performed such that a set temperature used for the temperature control is corrected using a correction value calculated from the generated heat density of a wafer ( | 2009-06-25 |
20090160473 | CONTACTOR FOR ELECTRICAL TEST, ELECTRICAL CONNECTING APPARATUS USING THE SAME, AND METHOD FOR MANUFACTURING CONTACTOR - An electrical test contactor comprises a contactor main body including a plate-shaped attachment portion extending in the up-down direction, a plate-shaped arm portion extending from the lower end portion of the attachment portion at least to one side in the right-left direction, and a plate-shaped pedestal portion projecting downward from the tip end portion of the arm portion, a contact portion projecting downward from the lower end of the pedestal portion and having the lower end of the contact portion acting as a probe tip, and a resistor having a higher resistance value than the contactor main body and the contact portion and arranged at the contactor main body so as to heighten the resistance value of the contactor. | 2009-06-25 |
20090160474 | PRINTED CIRCUIT BOARD AND IMPEDANCE GUARANTEE METHOD OF PRINTED CIRCUIT BOARD - According to one embodiment, a printed circuit board includes a coupon portion having, for each of a plurality of signal layers, an impedance guarantee coupon as a reference for the layer, and a product portion having, in at least one of the plurality of signal layers, a transmission line requiring impedance guarantee having an impedance decision factor different from the coupon formed in the coupon portion, wherein an impedance of the transmission line is guaranteed on the basis of a known impedance decision factor of the transmission line and a measured value of the coupon. | 2009-06-25 |
20090160475 | Test pin reduction using package center ball grid array - An apparatus and method for reducing the number of package pins in a chip package which must be budgeted for test purposes. In one embodiment, the invention achieves this by housing test balls in the depopulated center of a package ball array. The test balls are used to test a chip package prior to connection with a printed wiring board (PWB)/printed circuit board (PCB). After tests are completed, and when the chip package is connected to a PWB/PCB, the test balls may be left electrically isolated and unconnected. In another embodiment, the test balls are located in previously unused interstitial sites in a package ball array. | 2009-06-25 |
20090160476 | FAILURE DETECTION DEVICE FOR POWER CIRCUIT INCLUDING SWITCHING ELEMENT - A failure detection device detects the voltage across the main electrodes of an IGBT via a diode. The failure detection device determines occurrence of short-circuit failure in the IGBT when the anode voltage of the diode is lower than a first predetermined reference voltage. Determination can be made, excluding the case of a proper operation corresponding to a flywheel diode in an ON state, preferably together with the condition that the anode voltage of the diode is higher than a second predetermined reference voltage. | 2009-06-25 |
20090160477 | METHOD AND TEST SYSTEM FOR FAST DETERMINATION OF PARAMETER VARIATION STATISTICS - A method and test system for fast determination of parameter variation statistics provides a mechanism for determining process variation and parameter statistics using low computing power and readily available test equipment. A test array having individually selectable devices is stimulated under computer control to select each of the devices sequentially. A test output from the array provides a current or voltage that dependent on a particular device parameter. The sequential selection of the devices produces a voltage or current waveform, characteristics of which are measured using a digital multi-meter that is interfaced to the computer. The rms value of the current or voltage at the test output is an indication of the standard deviation of the parameter variation and the DC value of the current or voltage is an indication of the mean value of the parameter. | 2009-06-25 |
20090160478 | TESTING DEVICE FOR PERFORMING A TEST ON A LIQUID CRYSTAL DISPLAY AND A METHOD OF DRIVING THE TESTING DEVICE - A testing device for performing a high-voltage test on a liquid crystal display is provided. The testing device includes a voltage converting unit, an input connector, and a power supplier. The voltage converting unit includes a plurality of resistors between an output terminal and a ground terminal. The input connector includes a terminal connected to one node of the plurality of resistors. The power supplier includes a switching unit to output a ground voltage to the terminal when power is applied from an external power source. | 2009-06-25 |
20090160479 | Transceiver Having an Adjustable Terminating Network for a Control Device - In a transceiver for a control unit having a transceiver core for adapting the level of messages received or to be sent, an adjustable terminating network is situated in the transceiver that makes it possible to adjust at least two connection resistance values, the terminating network and the transceiver core being monolithically integrated in a semiconductor circuit. | 2009-06-25 |
20090160480 | Termination circuit - In order to prevent malfunction due to fluctuations in signal level, a terminating resistor circuit includes terminating resistors the connections whereof to an input/output terminal are capable of being turned on and off, whereby a Thevenin termination is formed. A control circuit exercises control so as to temporally stagger on/off timings of respective ones of the terminating resistors. | 2009-06-25 |
20090160481 | Configurable Circuits, IC's and Systems - Some embodiments of the invention provide a configurable integrated circuit (IC). The configurable IC includes first and second interconnect circuits. The first interconnect circuit has a set of input terminals, a set of output terminals, and several connection schemes for communicatively coupling the input terminal set to the output terminal set. During the operation of the IC, the second connection circuit supplies sets of configuration data to the first interconnect circuit at a particular rate for at least a particular time period. At least two supplied configuration data sets are different and configure the first interconnect circuit to use two different connection schemes that differently couple the input and output terminal sets. | 2009-06-25 |
20090160482 | Formation of a hybrid integrated circuit device - Formation of a hybrid integrated circuit device ( | 2009-06-25 |
20090160483 | Field programmable application specific integrated circuit with programmable logic array and method of designing and programming the programmable logic array - A programmable logic array for use in a field programmable application specific integrated circuit (ASIC) implementation is provided. The programmable logic array includes programmable logic blocks, and programmable logic interfaces. The programmable logic interfaces couple the programmable logic blocks to external interfaces of the field programmable ASIC, and enable the programmable logic array to be inserted into the field programmable ASIC as a hard macro block. | 2009-06-25 |
20090160484 | Input buffer - Methods and corresponding systems for buffering an input signal include outputting a first logic value in response to the input signal being below a lower threshold. A second logic value is output in response to the input signal rising above the lower threshold. Thereafter, the second logic value is maintained until the input exceeds a higher threshold and thereafter falls below the higher threshold. In response to the input signal falling below the higher threshold, the first logic value is output, and maintained at the first logic value, until the input falls below the lower threshold and thereafter rises above the lower threshold. | 2009-06-25 |
20090160485 | Providing Higher-Swing Output Signals When Components Of An Integrated Circuit Are Fabricated Using A Lower-Voltage Process - An output block fabricated using a lower-voltage process provides output signals with a higher voltage swing. The output block contains a differential amplifier portion and a hold circuit portion. The differential amplifier portion is activated only when the logic level of an output signal needs to be switched. Once the logic level is switched, the hold circuit portion maintains the logic level. As a result, high switching speeds may be achieved with relatively low power consumption. The circuits of the output block are also designed so that no constituent components are subjected to excessive voltages, thereby providing enhanced reliability. | 2009-06-25 |
20090160486 | High speed electronic data transmission system - A high-speed electrical data transmission system ( | 2009-06-25 |
20090160487 | Phase and frequency detector with zero static phase error - A method and circuit for phase and frequency detection having zero static phase error for use in a phase-locked loop system is presented. The phase and frequency detector utilizes a first phase and frequency detector configured to generate first and second pulsed PFD signals. Pulse blocking circuitry is utilized to provide first and second output signals based on the first and second pulsed signals respectively, wherein a time period when both first and second output signals are asserted is substantially reduced from a time period when both first and second pulsed signals are asserted. By reducing the time the first and second output signals are simultaneously asserted, the effects of charge pump current source mismatch are minimized and static phase error is reduced. | 2009-06-25 |
20090160488 | Apparatus and method for clock signal synchronization in JTAG testing in systems having modules processing clock signals at different rates - In a test and debug system in which a plurality of modules under test have different operational rates, the system clock and the return clock signals from the modules lose synchronism. An error signal is produced when the clock signal makes a transition to a logic state that is the same logic state of the return clock signal of all of the modules. Apparatus is provided for generating logic signals when all of the return clock signals are in the same logic state. Two logic states are possible for all the return clock signals. A current state is latched until all the return clock signals are in the other state, at which time the second logic signal state is latched. The apparatus can be reset by an external signal. | 2009-06-25 |
20090160489 | METHOD AND APPARATUS FOR TIME-DIFFERENTIAL COMPARISON OF AN ANALOG SIGNAL - A time-differential analog comparator is disclosed. An example apparatus according to aspects of the present invention includes a source of a variable frequency signal having a frequency responsive to an analog input. A counting circuit is coupled to count cycles of the variable frequency signal. The counting circuit is coupled to count in a first direction for a first time interval and is coupled to count in a second direction opposite to the first direction for a second time interval that occurs after an end of the first time interval. An evaluation circuit is coupled to the counting circuit. The evaluation circuit is responsive to the count of the cycles of the variable frequency signal after an end of the second time interval. | 2009-06-25 |