37th week of 2008 patent applcation highlights part 20 |
Patent application number | Title | Published |
20080218105 | Method for Operating a Fuel Pump - In a method for operating a fuel pump of a motor vehicle, the fuel pump is driven by an EC electric motor for conveying fuel in a direction of an internal combustion engine. Accordingly, when no more fuel is required, the EC electric motor of the fuel pump is switched off in such a way that a rotor of the EC electric motor slows down in a defined manner, so that the rotor of the EC electric motor assumes a defined relative position with respect to the stator of the EC electric motor after slowing down. | 2008-09-11 |
20080218106 | Method of Recovering Energy form the Turntable Motor in an Optical Disc Drive and Optical Device - The present invention relates to a method of recovering energy from the turntable motor ( | 2008-09-11 |
20080218107 | Motor Drive Unit and Electric Apparatus Having a Motor - A motor drive unit capable of detecting the position of a stationary rotor of any type of sensorless motor, determining a proper startup logic for the rotor, and starting up the motor in a stable condition. To do this, multiple stator coils of the sensorless motor are supplied with rotor-position detecting drive voltages that are adapted to vary the middle point voltage of the multiple stator coils but do not rotate the motor. The middle point voltage of the stator coils is compared with a detection reference voltage. When the result of the comparison matches one of predetermined detection logic patterns, a proper startup logic is generated in accordance with the position of the rotor specified by the matching detection logic pattern to start up the motor. Otherwise, the detection reference voltage is changed in level, and a new rotor-position detecting signal is generated to repeat the procedure for detecting the rotor position. | 2008-09-11 |
20080218108 | MOTOR DRIVING DEVICE AND MOTOR UNIT - A motor driving device includes an output circuit, a control circuit, a backflow preventing diode, and a capacitor. The output circuit is driven by a first voltage, includes a switching element of which turning-on/off is switched according to a switching control signal, and outputs current to motor coils when receiving a pulse-width-modulated first voltage. The control circuit is driven by a second voltage, and includes a position detecting circuit that detects the position of a rotor of the motor and a switching circuit that generates the switching control signal on the basis of the detection result of the position detecting circuit in order to switch the turning-on/off of the switching element. The capacitor performs a charging operation by a voltage applied from an input terminal of the first voltage through the diode, and applies a voltage of a node between the diode and the capacitor to the control circuit. | 2008-09-11 |
20080218109 | Aperture driving apparatus and projection type image display apparatus - An aperture driving apparatus includes a swing unit and a stationary unit. The swing unit includes an aperture plate that partially blocks a light, a coil that constitute a voice coil motor for obtaining a driving force for driving the aperture driving plate, and a swing arm that supports the aperture plate and the coil and has a bearing portion between the aperture plate and the coil. The stationary unit includes a swing shaft that engages the bearing portion and swingably supports the swing arm about a swing axis, and a magnet and a yoke that constitute the voice coil motor together with the coil. A control unit of the aperture driving apparatus controls the swing angle of the swing arm using a closed-loop control technique. In the direction of the swing axis, the position of a center of gravity of the swing unit is substantially aligned with a position at which the driving force is applied to the coil. | 2008-09-11 |
20080218110 | TEMPERATURE TRIPPING DEVICE - The invention relates to a temperature tripping device for reliably shutting down a load, especially a motor, having at least one input for receiving at least one temperature-dependent sensor signal as an input signal, a first evaluation circuit for generating a first output signal if the input signal reaches a preset value, and means for generating a trip signal if the output signal is generated. In addition, a second, redundant, evaluation channel is provided which is supplied with the same input signal as the first evaluation channel and which generates a second output signal if the input signal reaches the preset value, wherein the means for generating a trip signal are connected to the two evaluation channels and generate the trip signal if at least one of the two output signals is generated. | 2008-09-11 |
20080218111 | Control Device for Motor Drive System and Electric Vehicle Including the Same - A square wave voltage having an amplitude equal to an output voltage of a converter is applied to an AC motor by a square wave control block. Torque control of the AC motor is performed basically by changing the voltage phase of the square wave voltage according to the torque deviation. When the motor revolution is suddenly changed, a instruction value correction unit sets a voltage instruction value of the output voltage of the converter according to a change ratio of the motor revolutions. This improves control of the motor current by changing the voltage applied to the motor in accordance with the sudden change of the motor revolutions without waiting for torque feedback control having a low control response. | 2008-09-11 |
20080218112 | METHODS AND SYSTEMS FOR RECORDING OPERATING INFORMATION OF AN ELECTRONICALLY COMMUTATED MOTOR - A unit for recording operating information of an electronically commutated motor (ECM) is described. The unit includes a system controller communicatively coupled to an ECM. The system controller includes a processing device configured to control the unit. The unit also includes a memory device communicatively coupled to the system controller. The memory device is configured to receive and store ECM operating information provided by the processing device. | 2008-09-11 |
20080218113 | Output Contact for Feedback in Integrated Circuit Motor Driver - An integrated circuit has drive circuitry to drive the windings of an electrical motor, means to make a measurement from the drive circuitry during rotation of the motor, suitable for use as motor control feedback, and has an output contact through which the motor control feedback measurement is available as an analog output signal. It can be used with an external motor control circuit coupled to receive the analog output signal to generate motor control signals, to control the drive circuitry. The analog feedback output gives more flexibility to the design of a motor control loop in terms of bit resolution, bandwidth and choice of discrete time or continuous time control. | 2008-09-11 |
20080218114 | Mixed Device for Controlling Power Transfer Between Two Cores of a Direct Current Network and Supplying an Alternating Current Motor - A combined device for instantaneous control of power transfer between two cores of a direct current network and for powering an alternating current engine. The device includes: an assembly of two three-phase inverters, each including three switching cells connected to the engine, which engine includes three stator windings connected to the two three-phase inverters, and a module for controlling the assembly, which ensures both an adjustable direct current power transfer and enables stabilization of the direct current voltage of one of the two cores if it is not connected, and the control of the engine. | 2008-09-11 |
20080218115 | Numerical controller with abnormal motor deceleration stop control means - While a numerical controller is operating, an abnormality of a numerical control section is detected. In response to an abnormality detection signal, a motor deceleration stop control circuit of a servo section is actuated to perform speed control with a speed command “0”, thereby stopping a motor. If an actual speed of the motor becomes not higher than a preset speed, an off command signal for turning off a DO signal is delivered to a PMC section. In response to this off command signal, the PMC section turns off a brake control DO or all DO signals. Thus, a brake device that is attached to the motor is activated to brake the motor. | 2008-09-11 |
20080218116 | SERVO CONTROLLER - A servo controller for synchronously controlling a master driving source for driving a driving shaft and a slave driving source for driving a driven shaft, having a position control section that performs a position control based on a positional deviation which is a difference between a position command value given to the slave driving source and a feedback value detected from the slave driving source, an operational section that calculates a synchronization error which is a difference of the positional deviation between the master driving source and the slave driving source, and a correction data calculating section that calculates first correction data for correcting the positional deviation of the slave driving source. | 2008-09-11 |
20080218117 | Method for turning a three-phase current motor on again and electrical circuit for implementing the method - A method for turning a three-phase alternating current motor on again, after it has been separated from a supply voltage, if a residual field voltage induced by a rotor residual field is present, and to an electrical circuit for implementing the method. The time progressions of the residual field voltage and the supply voltage are recorded, and the phase difference between the voltages is calculated in advance from the time progressions. A time point t | 2008-09-11 |
20080218118 | Efficiency Maximization Control and Variable Speed Drive of Single Phase Induction Motors - A control method and a control system for single phase induction motors driven by two-power electronic switch inverter are disclosed. The system fulfills two main tasks i.e. precise motor speed control and maximum motor efficiency control over wide ranges of motor load and speed command without a motor speed feedback. | 2008-09-11 |
20080218119 | Method for operating a delta wound three-phase permanent magnet brushless motor - Method for operating a delta wound three-phase permanent magnet brushless motor. A transition speed is determined in a quadrant of a speed versus torque curve above which speed continues to increase while current/torque decreases wherein actual phase current can be controlled in a current control modification manner which reduces requested phase current. The modification manner is determined for a quadrant, wherein a controller can use the modification manner to reduce the requested phase current to control the actual phase current when the speed is above the transition speed. The motor is controlled in a quadrant wherein, when the motor has a speed above the transition speed, the controller reduces the requested phase current in the modification manner and the controller supplies the actual phase current to the motor using the reduced requested phase current and using measured phase current of the motor derived from using a single current sense resistor. | 2008-09-11 |
20080218120 | CHARGE RECOVERY DEVICE FOR ALKALINE BATTERIES - A charge recovery device includes: a battery seat to be connected electrically to an alkaline battery load; a power source connector to be connected electrically to an external power source; a charging signal generator connected electrically to the power source connector and operable to generate a charging signal output that can be varied to meet voltage requirement of the alkaline battery load; a safety switch for making or breaking electrical connection between the battery seat and the charging signal generator; a timer unit operable to initiate a timer operation upon supply of the charging signal output to the battery seat; and a switch controller for controlling the safety switch to break electrical connection between the battery seat and the charging signal generator at the end of a charging period according to a timer signal received from the timer unit. | 2008-09-11 |
20080218121 | Charging a battery using a circuit having shared loads - A method for charging an electric storage battery in a plug-in hybrid electric vehicle through a power supply circuit, includes coupling the charger to the circuit, determining whether another appliance in the circuit other than the charger is drawing current, determining a maximum charge rate at which the battery can be charged using the charger, charging the battery at the maximum charge rate if no other appliance in the circuit is drawing current, and charging the battery at less than the maximum charge rate if another appliance in the circuit is drawing current. | 2008-09-11 |
20080218122 | BATTERY CHARGING METHOD FOR AN ELECTRIC GOLF CAR - A charger and a vehicle body battery are connected together via a connector. The vehicle body includes a first CPU that determines if the vehicle body battery is being charged or not. The charger includes a second CPU that transmits a charging signal to indicate that the vehicle body is being charged. The connector connects the first CPU and the second CPU. The battery is charged by the charger. The charging signal has a periodicity with a combination of ON signals and OFF signals. The first CPU disables travel of the vehicle body only while the periodicity of the charging signal is continued. | 2008-09-11 |
20080218123 | BATTERY CHARGING APPARATUS, CONTROL METHOD THEREOF, AND BATTERY CHARGING CONTROL APPARATUS - A battery charging apparatus which includes: an adapter which converts a voltage of an external electric power to a charging voltage of a voltage level corresponding to the battery, to charge the battery; and a controller which communicates with the battery to determine a charged state of the battery, and which controls the adapter to charge the battery based on the determination. | 2008-09-11 |
20080218124 | Lithium battery pack and system for charging the same - A lithium battery pack according to the present invention has inherent information stored therein, which comprises a plurality of cells, nominal voltage, maximal voltage of the cells, range of temperature etc. A charging parameter is determined by a charging controller based on an identified data of the cells and the inherent information, and is transmitted to an adapter. A controlled module in the adapter receives the charging parameter through a control terminal and adjusts an AC/DC circuit to output a current with accurate charging voltage to the battery pack. | 2008-09-11 |
20080218125 | Battery Charging System - A method and system are provided in which a charging process for rechargeable batteries is controlled in accordance with a recommended inactive or storage maximum battery charge level which is obtained from a battery manufacturer or other data source. In one embodiment, the battery charging system accesses a battery manufacturer's website in order to determine the manufacturer's recommended charging characteristics, including a maximum battery charge level for an inactive or storage status, for the particular battery being charged. When connected to a power source, the battery being charged is not permitted to be charged to a fully charged state but rather charged only to the lower storage charge level in order to increase the life span of the battery. | 2008-09-11 |
20080218126 | Conditional Battery Charging System - A method and system are provided in which a charging process for rechargeable batteries is controlled in accordance with selected predetermined variable conditions. In an exemplary embodiment, a user is enabled to select the predetermined conditions under which the charging of a battery is suspended until such conditions have changed. Such conditions include, for example, physical location of the battery being charged and/or the time and/or date when the battery is being charged. A user GUI is provided to enable a user to input selected times and/or dates and/or locations when the device containing the battery is likely to be away from a charging source and needs to be fully charged, and/or selected times and/or dates and/or locations when the device is likely to have access to a power source and the battery is enabled to be charged only to a storage level. | 2008-09-11 |
20080218127 | Battery management systems with controllable adapter output - A battery management system comprises a control circuit and an adapter. The control circuit can be used to generate a control signal according to a status of each cell of a plurality of cells in a battery pack. The adapter receives the control signal and charges the battery pack. An output power of the adapter is adjusted according to the control signal. | 2008-09-11 |
20080218128 | Self-generation type charging battery assembly - Disclosed is a self-generation type charging battery assembly, which is devised to provide a battery capable of being charged by self-generation without using a separate charger, by combining a constituent for generating electric power through the reciprocal movement, a constituent for converting the generated alternating current into direct current, and a battery chargeable by the converted current. In the present invention, when the magnet is moved reciprocally in the generation tube with respect to the winding coils, alternating current is generated in the coils by the magnetic force and it is converted into direct current during the passage through the diode and charged into the battery. The constituting elements of the present invention can be assembled into a casing so that it can be used almost permanently without separate recharge. Meanwhile, the battery assembly of the present invention is provided as one battery assembly, which can be used at any application such as a clock, a telephone, a flashlight, a camera, and the like in addition to a wireless remote controller, by fabricating it according to the size and standard. | 2008-09-11 |
20080218129 | COMPUTER AND BATTERY CHARGING METHOD THEREOF - A computer includes a system part which has at least one electronic component, a power supplying part which supplies a main electric power to the system part, a battery part which receives charging electric power from the power supplying part and supplies auxiliary electric power to the system part, and a controlling part which, if the main electric power is supplied by the power supplying part, and if charge level of the battery part according to supply of the charging electric power exceeds a reference level corresponding to a discharged state, cuts off the supply of the charging electric power and controls the battery part to discharge the auxiliary electric power. | 2008-09-11 |
20080218130 | Battery management systems with adjustable charging current - A battery management system includes a monitoring circuit and a charger. The monitoring circuit is operable for monitoring a battery pack that includes a plurality of cells, and for checking an unbalanced condition of the battery pack in each cycle of a plurality of cycles. The charger is operable for controlling a charging current to the battery pack and for receiving monitoring information from the monitoring circuit, and for adjusting the charging current from a first level in a previous cycle to a second level that is lower than the first level in response to a detection of the unbalanced condition in a current cycle. | 2008-09-11 |
20080218131 | No emission portable generator - A generator without emissions that portably temporarily and quietly is capable of producing electrical power for household appliances in the event of a blackout. The generator has a power source such as a battery and on/off switch operably connected to an electrical motor. The motor is connected to an alternator that is operably connected to at least one outlet. The generator is contained in a housing that may be moved by the user. | 2008-09-11 |
20080218132 | CIRCUITS FOR ELECTROACTIVE POLYMER GENERATORS - Described herein is a generator with an electroactive polymer transducer. The transducer has a capacitance that varies with deflection of a polymer included in the transducer. The generator also includes a generator circuit, coupled to the electroactive polymer transducer, that includes a capacitor. The generator circuit is configured such that the capacitor collects electrical energy from the electroactive polymer transducer in response to a change in capacitance of the polymer. | 2008-09-11 |
20080218133 | SIGNAL GENERATING APPARATUS AND METHOD THEREOF - The present invention discloses a signal generating apparatus for generating a clock signal, the signal generating apparatus includes: an adjusting module for generating an adjusting current according to a first reference voltage and a control voltage; and a clock signal generating module coupled to the adjusting module. The clock signal generating module includes: a current generating unit for generating a first current; a signal generating unit coupled to the current generating unit and the adjusting module for generating a voltage signal according to a second current, wherein the second current is generated according to the first current and the adjusting current; and a comparing unit coupled to the signal generating unit and a second reference voltage for comparing the voltage signal and the second reference voltage to generate the clock signal. | 2008-09-11 |
20080218134 | POWER SUPPLY APPARATUS - A power supply apparatus having a soft start function that enables a startup without any overshoot within an appropriate startup time regardless of whether the load is heavy or light. Even when output direct current voltage Vo has not yet risen upon startup, switch circuit | 2008-09-11 |
20080218135 | Voltage Supplying Device and an Image Display Device - To provide a voltage supplying device and an image display device, which can bring a voltage on a line to be supplied with voltage (e.g. source line) to a substantially desired voltage. A voltage supplying device comprising a source line (L | 2008-09-11 |
20080218136 | Power supply circuit - A disclosed power supply circuit ( | 2008-09-11 |
20080218137 | TECHNIQUE FOR IMPROVING EFFICIENCY OF A LINEAR VOLTAGE REGULATOR - A linear voltage regulator includes a first transistor, a feedback circuit, and a control circuit. The first transistor includes a first terminal coupled to an input terminal of the regulator, a second terminal coupled to an output terminal of the regulator, and a control terminal. The first transistor is configured to provide a load current to the output terminal at a desired voltage level based on a control signal on the control terminal. The feedback circuit is coupled to the output terminal and is configured to generate a feedback signal based on an actual voltage level at the output terminal. The control circuit is configured to provide, based on the feedback signal, the control signal at a level to substantially maintain an output voltage at the output terminal at the desired voltage level. An operating current of the control circuit is configured to increase, by a limited amount, responsive to a transient increase in the load current. | 2008-09-11 |
20080218138 | METHOD AND APPARATUS FOR REDUCING AUDIO NOISE IN A SWITCHING REGULATOR - A switching regulator utilizing on/off control that reduces audio noise at light loads by adjusting the current limit of the switching regulator. In one embodiment, a switching regulator includes a state machine that adjusts the current limit of the switching regulator based on a pattern of feedback signal values from the output of the power supply for a preceding N cycles of the drive signal. The state machine adjusts the current limit lower at light loads such that cycles are not skipped to reduce the operating frequency of the switching regulator into the audio frequency range until the flux density through the transformer is sufficiently low to reduce the generation of audio noise. | 2008-09-11 |
20080218139 | VOLTAGE REGULATOR CIRCUIT AND CONTROL METHOD THEREFOR - A voltage regulator circuit and control method therefor. The circuit includes input and output terminals, an output transistor to pass a current from the input terminal to the output terminal according to a control signal, a reference voltage generator unit to generate and output a reference voltage, an output voltage detector unit to detect an output voltage output from the output terminal and generate and output a proportional voltage proportional to a detected voltage, a first error amplifier unit to control the output transistor to make the proportional voltage equal to the reference voltage, and a second error amplifier unit to respond to fluctuation in the output voltage faster than the first error amplifier unit and increase the output current from the output transistor for a period of time when the output voltage rapidly drops. Current consumption of the second error amplifier unit is changed according to the output current. | 2008-09-11 |
20080218140 | Control apparatus for cooler - The present invention discloses a control apparatus, which integrates the methods of PWM signal controlling and manual voltage regulating for controlling the cooler. The control apparatus includes a voltage stabilizer, a voltage regulator, and a switching unit. The voltage stabilizer connects to a CPU of a motherboard for receiving a PWM signal and outputting a stable PWM signal. The voltage regulator connects to the voltage stabilizer for regulating the voltage level of the stable PWM signal. The switching unit connects to the voltage stabilizer, the voltage regulator and the cooler for performing a switching operation between a first control mode and a second control mode. Moreover, the control apparatus controls the cooler via the stable PWM signal in the first control mode, and controls the cooler by regulating the voltage level of the stable PWM signal in the second control mode. | 2008-09-11 |
20080218141 | Circuit for charging a bootstrap capacitor in a voltage converter - For charging a bootstrap capacitor in a voltage converter, a circuit is provided for wider bandwidth to eliminate the feedback stability issue and pin out for compensation circuit. A pair of transistors are connected in series between a power input and the bootstrap capacitor, the first transistor is switched synchronously with a low-side transistor of the voltage converter, and a comparator compares a feedback voltage drawn from a feedback node between the pair of transistors with a reference voltage, to control the second transistor to determine to charge the bootstrap capacitor. | 2008-09-11 |
20080218142 | Current detector circuit and current mode switching regulator - A current detector circuit is completely formed of CMOS transistors, and is simplified in process, and can be reduced in the chip size. The current detector circuit of the present invention generates a sense voltage that corrects a voltage for slope compensation according to a coil current in a current mode switching regulator. The current detector circuit includes: a first p-channel transistor which allows a current of 1/N of a current which flows through a transistor that drives a coil to flow therein; a second p-channel transistor having a source connected to a drain of the first p-channel transistor; a third p-channel transistor connected to a drain of a transistor in which the coil current flows; a voltage mirror circuit having one terminal connected to a drain of the second p-channel transistor, and another terminal connected to a drain of the third p-channel transistor, in which voltages at both of the terminals are identical with each other; and a first n-channel transistor having a drain connected to the drain of the first p-channel transistor, and a source grounded through a sense resistor. | 2008-09-11 |
20080218143 | METHOD AND APPARATUS TO PROVIDE TEMPORARY PEAK POWER FROM A SWITCHING REGULATOR - Various techniques directed to providing temporary peak power from a switching regulator are disclosed. In one aspect, a switching regulator includes a switch that is to be coupled between a power supply input and an energy transfer element of the power supply. A controller is coupled to be responsive to a feedback signal to be received from an output of the power supply. The controller is coupled to switch the switch in response to the feedback signal to regulate the output of the power supply. An oscillator is coupled to provide an oscillating signal to the controller to determine a maximum switching frequency of the switch. The oscillating signal is coupled to oscillate at a first frequency under a first moderate load condition at the power supply output. The oscillating signal is coupled to oscillate at a second frequency under a second peak load condition at the power supply output. | 2008-09-11 |
20080218144 | On-Off-Valve - A power-supply apparatus for outputting from an output terminal via one or more switching elements, each having a control electrode, a voltage input to an input terminal, is disclosed. The apparatus includes a voltage-generating circuit for generating an output voltage Vo proportional to a voltage between an input end and an output end of the switching element so as to output the generated voltage, and a control circuit for controlling an operation of the switching element depending on the output voltage Vo of the voltage-generating circuit. The control circuit causes the switching element to reduce an output current when the output voltage Vo of the voltage-generating circuit exceeds a predetermined voltage Vs. | 2008-09-11 |
20080218145 | Current-mode DC-to-DC-converter - A current-mode DC-to-DC converter operating in a high frequency is disclosed. The current-mode DC-to-DC converter includes an inductor, a power switch, an oscillator, an adder without internal feedback loop, an error amplifier, a comparator, a compensation unit and a driver. The adder adds a ramp signal from the oscillator directly to a voltage signal relative to a current flowing through the power switch and generates a sum signal based upon match between internal components in the oscillator and the adder. | 2008-09-11 |
20080218146 | Method and apparatus for transferring energy in a power converter circuit - A reduced cost energy transfer element for power converter circuits. In one embodiment, an energy transfer element according to an embodiment of the present invention includes a magnetic element having an external surface with at least a first winding and a second winding wound around the external surface of the magnetic element without a bobbin. As such, energy to be received from a power converter circuit input is to be transferred from the first winding to the second winding through a magnetic coupling provided by the magnetic element to a power converter circuit output. | 2008-09-11 |
20080218147 | VOLTAGE REGULATOR - A voltage regulator having a MOS transistor driver is disclosed. The voltage regulator comprises a p-channel MOS transistor at a voltage input terminal Vin and a p-channel MOS transistor at a voltage output terminal Vout. A drain of the input side p-channel MOS transistor is connected to the voltage input terminal Vin. A threshold voltage or a voltage lower than the threshold voltage is applied to a gate of the input side p-channel MOS transistor. A drain of the output side p-channel MOS transistor is connected to the voltage output terminal Vout. | 2008-09-11 |
20080218148 | Intelligent Power Control - The Power Control Device can communicate with connected load or appliance for identification and control, and Intelligent Power Control. The Power Control combines Triac (or similar technology) function with Relay (or similar technology) function in a single intelligent current and temperature sensing multipurpose Dual Mode device. This combination of modes and the ability to automatically switch between them provides the capability to provide dimming to appropriate appliances as well as provide high power to devices not requiring dimming or variable power control. One embodiment is a universal power outlet which does not need to be dedicated to one function but can serve as a dimmer or as a full power relay switched circuit. The Power Control Device has sensing, reporting, control and interface capabilities necessary for a high function automation system. These include interface to command or controller systems, ability to sense states and function with partial or full autonomy. | 2008-09-11 |
20080218149 | DISPLAY DEVICE - The present invention is intended to minimize an amount of charge that flows from a step-up circuit into an external input voltage terminal when the power supply is turned off. A display device includes a display panel and a drive circuit that drives pixels included in the display panel. The drive circuit includes a power circuit to which a voltage Vcc is fed. The power circuit includes: a first step-up circuit that generates a voltage DDVDH which is higher than the voltage Vcc; a means | 2008-09-11 |
20080218150 | Method and Device for Supply to a Magnetic Coupler - The invention relates to a method for supply to a magnetic coupler comprising several pairs of windings, each pair being formed from a first and a second adjacent paired winding, magnetically coupled to each other by means of a core of magnetic material. The method further consists of supplying (in | 2008-09-11 |
20080218151 | ON CHIP DUTY CYCLE MEASUREMENT MODULE - A method and a circuit for measuring an on chip duty cycle. The circuit includes a capacitor, a switching circuit, a current source, a comparator circuit and a counter. The circuit receives a first clock signal and a second clock signal. The first clock signal has a 50% duty cycle and the second signal has an unknown duty cycle signal. The switching circuit first receives the first clock signal and then the second clock signal for measuring the duty cycle. The comparator circuit compares a comparator voltage with a reference voltage for the first clock signal to measure a first elapsed cycle using the counter. The comparator circuit again compares a comparator voltage with a reference voltage for the second clock signal to measure a second elapsed cycle using the counter. The counter measures the first elapsed cycle and the second elapsed cycle corresponding to the first clock signal and the second clock signal for a duration in which the comparator voltage equals the reference voltage. The duty cycle for the second clock signal is then calculated using the first elapsed cycle and the second elapsed cycle. | 2008-09-11 |
20080218152 | METHOD FOR CURRENT SENSING IN SWITCHED DC-TO-DC CONVERTERS - A method for sensing the supply current of a switched DC-to-DC converter is discussed. The method sensing a first voltage that is proportional to the supply current, wherein the first voltage has first noise; outputting a second voltage that is based on the first voltage, and wherein the second voltage has second noise that is smaller than the first noise; and comparing the second voltage to a reference voltage to provide an indication of the supply current. According to the systems and methods disclosed herein, accurate current sensing is provided. | 2008-09-11 |
20080218153 | POWER WAVEFORM HARMONIC ANALYSIS USING SUMMED SAMPLES - Provided are methods and apparatus for characterizing a power waveform. Some such methods include sampling the power waveform to generate a plurality of samples and, for each of the samples, recursively processing the sample to generate an aggregate signal energy value, processing the sample to generate a harmonic component signal energy value associated with at least one target harmonic frequency, and accumulating the aggregate signal energy value and the component signal energy value with previously generated aggregate signal energy values and component signal energy values to generate an accumulated aggregate signal energy value and an accumulated harmonic component signal energy value. Methods also include characterizing the power waveform responsive to the accumulated aggregate signal energy value and the accumulated harmonic component signal energy value. | 2008-09-11 |
20080218154 | Integrated energy metering system - An integrated energy metering system having an energy meter including a voltage ADC for sensing voltage, a current ADC for sensing current, a microcontroller; a first memory device for storing program data for the energy meter; and a plurality of circuit blocks; a voltage monitor for monitoring a primary power supply; a power supply switch circuit for selectively applying one of the primary and auxiliary power supplies to the energy meter; and a system controller responsive to the voltage monitor for operating the switch circuit to apply the auxiliary power supply when the primary power supply voltage decreases below a predetermined level and gating the power to a first class of circuit blocks in the energy meter and applying power continuously to a second class of circuit blocks. | 2008-09-11 |
20080218155 | METHOD FOR STABLING VOLTAGE, PULSE FREQUENCY MODULATING CIRCUIT AND POWER SUPPLY USING THE SAME - A method for stabling a voltage, a pulse frequency modulating circuit and a power supply using the same are provided. The method includes the following steps. First, a comparing signal is provided. Then, set the comparing signal to be a first logic state when the voltage to be stabilized is lower than a preset voltage. Next provide a pulse signal when the comparing signal is set in the first logic state. Afterwards, adjust the enable time of the pulse signal based on the number of times of logic state changing of the comparing signal within a preset period and, adjust the voltage according to the enable time of the pulse signal. | 2008-09-11 |
20080218156 | MAGNETIC ENCODER INCLUDING MAGNETIC RING HAVING ROUGHNESS - A magnetic encoder includes a metallic reinforcing ring and a magnetic ring attached to the metallic reinforcing ring, and is composed of a mixture of an elastic element and a magnetic material. A front side of the magnetic ring is formed into a roughly uneven surface having a roughness of Ra 0.2 to 10.0 or Ry 2 to 100.0. | 2008-09-11 |
20080218157 | Magnetic particle flow detector - A ferromagnetic thin-film based magnetic field detection system having a substrate supporting a magnetic field sensor in a channel with a first electrical conductor supported on the substrate positioned at least in part along the channel gap and in direct contact with at least some surface of the magnetic field sensor and a second electrical conductor supported on the substrate positioned at least in part along the channel gap in a region thereof adjacent to, but separated from, the magnetic field sensor. | 2008-09-11 |
20080218158 | Rotary position sensor - A rotary position sensor for sensing the position of a movable object. The sensor includes a housing that defines a pair of cavities separated by a wall. A magnet, which is adapted to generate a magnetic field, is positioned within one of the cavities. The magnet is adapted to be coupled to the movable object. A magnetic sensor, which is adapted to generate an electrical signal that is indicative of the position of the movable object, is positioned within the other cavity. | 2008-09-11 |
20080218159 | Sensor System For Determining a Position or a Rotational Speed of an Object - Magnetic field sensors may be used for determination of a position or of a rotational speed of an object. According to an exemplary embodiment of the present invention, a sensor system comprises a sensor unit generating a frequency output reflecting the rotational speed or the position of the object, wherein the frequency output has a higher frequency than an encoding frequency of the object. This may provide for an improved resolution. The intrinsic sensor characteristic leads to a signal having twice or four times the frequency of the encoded magnetic field. The sensor may be a giant magneto-resistance (GMR) sensor. | 2008-09-11 |
20080218160 | Sensor magnet device, gear mechanism and speed reducing electric motor - In a speed reducing electric motor, a speed reducing gear unit has a sensor magnet device, which is fixed to a worm wheel and includes an inner ring magnet, an outer ring magnet and connecting portions. The inner ring magnet is placed along a predetermined first imaginary circle. The outer ring magnet is placed along a predetermined second imaginary circle, which is coaxial with the first imaginary circle and has a diameter that is smaller or larger than that of the first imaginary circle. The connecting portions connect between the inner ring magnet and the outer ring magnet. The sensor magnet device is fixed to the worm wheel by a magnet fixing structure. | 2008-09-11 |
20080218161 | Magnetized pulsar ring, and rolling bearing device with sensor using the same - A magnetized pulsar ring of the invention is a pulsar ring fixed to an outer peripheral surface of a supporting member and including a ring body in which a number of magnetic poles are at predetermined intervals in a peripheral direction. The ring body | 2008-09-11 |
20080218162 | Tomographic imaging method and associated arrangement - According to at least one embodiment of the invention, at least two excitation fields with frequencies capable of being differently prescribed act on the object in the examination space, with the gradient field approximately vanishing in the examination space. In another embodiment, an arrangement includes a Maxwell coil pair for generating an inhomogeneous magnetic field with a prescribable magnetic field gradient, at least one device for exciting two auxiliary fields with different frequencies and a detection coil for recording the response signal. | 2008-09-11 |
20080218163 | MAGNETORESISTIVE SENSOR DEVICE - According to the present invention, a magnetoresistive sensor device, which can be manufactured at a high yield and a low cost, is excellent in magnetoresistance characteristics and is reliable can be provided. The magnetoresistive sensor device comprises a substrate, a signal processing circuit formed on the substrate, a flattening film for flattening the signal processing circuit, a silicon nitride film formed on the flattened signal processing circuit, and magnetoresistive sensor elements formed on the silicone nitride film, in which the flattening film is preferably a spin-on-glass (SOG) film. | 2008-09-11 |
20080218164 | AUTOMATED METER READER - A meter reader for reading a meter have a display portion displaying a total output of a quantity being metered and plural incremental outputs defining the total output. The meter reader includes a sensing mechanism for sensing one of the plural incremental outputs in the meter display portion, and a processing unit coupled to the sensing mechanism for accumulating incremental outputs sensed by the sensing mechanism and for determining accumulated meter output over a time period based on the accumulated incremental outputs. Also included is an output mechanism for outputting the accumulated meter output determined by the processing unit. In one example, the sensing mechanism includes a sensor for sensing only a least significant incremental output in usage included in the meter display portion, and an emitter for illuminating the least significant incremental output included in the meter display portion. Further, the sensing mechanism senses the least significant incremental output included in the meter display portion at least once every full cycle of the least significant incremental output. | 2008-09-11 |
20080218165 | Microsensor Device - The invention relates to a microsensor device like a magnetic biosensor ( | 2008-09-11 |
20080218166 | METHOD AND DEVICE FOR DETECTION OF THE POSITION OF AN EXAMINATION PERSON IN A MAGNETIC RESONANCE SYSTEM - In a method and arrangement for detection of the position of an examination person on a table in a magnetic resonance system, the examination person on the table is moved relative to the magnetic resonance system, RF pulses are radiated while the examination person is moved through the magnetic resonance system, the resulting magnetic resonance signals caused by the RF pulses are detected and the position of the examination person is determined using the acquired magnetic resonance signals. | 2008-09-11 |
20080218167 | MAGNETIC RESONANCE IMAGING APPARATUS AND MAGNETIC RESONANCE IMAGING METHOD - A magnetic resonance imaging apparatus has a controller which controls an operation of a scan section in such a manner that the scan section executes a scan in an imaging sequence, based on the imaging sequence condition set so as to correspond to a slice tracking method by an imaging sequence condition setting unit, and controls the operation of at least one of the scan section and an image reconstruction unit, based on a phase difference calculated by a phase difference calculation unit so as to eliminate the phase difference at which phases of the magnetic resonance signals produced in an imaging slice areas change, when an RF pulse subsequent to having been adjusted in frequency so as to the slice tracking method is transmitted upon execution of the scan in the imaging sequence. | 2008-09-11 |
20080218168 | MAGNETIC RESONANCE IMAGING APPARATUS AND MAGNETIC RESONANCE IMAGING METHOD - A magnetic resonance imaging apparatus includes a applying unit which applies a gradient magnetic field and a radio-frequency pulse to a subject placed in a static magnetic field, a radio-frequency coil unit which includes element coils to respectively detect magnetic resonance signals emitted from the subject, and outputs signals of a plurality of channels based on the magnetic resonance signals, receiving circuits each of which receives one of the signals of the plurality of channels, and whose number is smaller than the channels, a selecting circuit which includes matrix switches connected in multiple stages, selects some of magnetic resonance signals from the signals of the channels, and inputs the selected magnetic resonance signals to the receiving circuits, a setting unit which sets diagnostic conditions, and a determining unit which determines a connection state of the matrix switches in accordance with the set diagnostic conditions. | 2008-09-11 |
20080218169 | METHODS FOR FAT SIGNAL SUPPRESSION IN MAGNETIC RESONANCE IMAGING - The present invention is directed to methods for chemical species signal suppression in magnetic resonance imaging procedures, wherein Dixon techniques are enhanced by continuously sampling techniques. In the invention, k-space data is acquired during the entire period of read gradient associated with a gradient echo pulse acquisition scheme. The invention utilizes a total sampling time (TST) acquisition during the entire read gradient, using three echoes of a TST data set to achieve chemical species separation in both homogenous fields as well as areas of field inhomogeneity. As an example, a continuously sampled rectilinearly FLASH pulse sequence is modified such that the time between echoes was configured to be 2.2 milliseconds, with TE selected to allow 180° phase variation in the fat magnetization between each of the three TE's (TE | 2008-09-11 |
20080218170 | AERIAL DETECTION OF THREATENING MILITARY DEVICES - An aerial electronic system for detection of surface and underground threats comprises an electromagnetic (EM) gradiometer flown aloft over the possible ground and underground threats to a convoy. The EM gradiometer is disposed in a Styrofoam torpedo shaped pod that is towed in flight behind an airplane. An illumination transmitter and loop antenna mounted to the airplane radiate a primary EM wave that travels down to the ground surface and penetrates beneath. Frequencies of 80 KHz to 1 MHz are selected according to whether the targets are laying on the surface or deeply buried. Detonation wire pairs, buried cables and pipes, and other conductors will re-radiate a secondary wave that can be sensed by the EM gradiometer. A reference sample of the transmitter signal is carried down a fiberoptic from the airplane to the towed pod. This signal is used in the synchronous detection to measure the secondary EM wave phase. | 2008-09-11 |
20080218171 | Electronic Ballast with Lamp Type Determination - The electronic ballast with lamp type determination for an electronic ballast providing power to a lamp filament | 2008-09-11 |
20080218172 | POTENTIAL MEASURING APPARATUS - A potential measuring apparatus has a detection electrode on which an electric charge is induced according to a potential of a detection object, and a modulator for altering the generated quantity of the electric charge. The detection electrode has at least one depressed portion on a surface opposite to the detection object. | 2008-09-11 |
20080218173 | METHODS AND APPARATUS FOR TESTING A CIRCUIT - In one embodiment, when a test program for testing a circuit specifies the application of a DC voltage to a particular node of the circuit, i) an operational amplifier of a circuit test system is configured to respond to remote feedback, wherein the remote feedback is responsive to a load on a circuit test system test pin that is coupled to the particular node, and ii) the DC voltage is applied to the particular node via the operational amplifier. When the test program specifies the application of a high-voltage waveform to the particular node, i) the operational amplifier is configured to respond to local feedback, wherein the local feedback is not responsive to the load on the test pin, and ii) at least a high-voltage portion of the high-voltage waveform is applied to the particular node via the operational amplifier. Other embodiments are also disclosed. | 2008-09-11 |
20080218174 | Apparatus and method for identifying proper orientation and electrical conductivity between a semiconductor device and a socket or contactor - A semiconductor device with a semiconductor die thereon and a contactor board are electrically coupled when the electrically conductive elements on the semiconductor device and the contactor board are in physical contact. A continuous electrically conductive path is formed with electrically conductive elements involving both the semiconductor device and the contactor board. A complete electrical circuit involving both the semiconductor device and the contactor board is formed only when the relative orientation of the semiconductor device and the contactor board have predetermined relationship and the electrically conductive elements of the two boards are in good physical contact. | 2008-09-11 |
20080218175 | Open-Circuit Testing System and Method - The invention discloses a testing system and method suitable for determining the connection state of an electronic component in an electronic device assembly. In an embodiment, the testing system comprises a signal sensing unit configured to provide a sensed signal induced by capacitive coupling in response to the output of a testing signal passing through a tested pin, a signal processor unit configured to filter and over-sample the sensed signal to obtain a digital signal, and an analyzer unit configured to compute the digital signal for determining a connection state of the test pin. | 2008-09-11 |
20080218176 | Power Supply Device - A power supply device has a capacitor unit in which capacitors are interconnected in series, a charging unit for charging the capacitor unit at a constant current, a detecting unit for detecting voltage on the high potential side of each of the capacitors, a determining unit for determining the existence of an abnormality based on the voltage detected by the detecting unit. The determining unit determines the abnormality when the difference between respective voltages on the high potential sides of some adjacent capacitors exceeds upper-limit voltage value Va, when the difference is lower than lower-limit voltage value Vb, or when a voltage is negative. | 2008-09-11 |
20080218177 | CONTACT INSERT FOR A MICROCIRCUIT TEST SOCKET - A system for testing a microcircuit having a center ground (CG) terminal has an insert for electrically connecting the CG terminal to a ground contact on a load board. The insert is held within a housing by compression and frictional interaction between a resilient projection carried by the insert and a slot in a wall of an aperture holding the insert. | 2008-09-11 |
20080218178 | TESTING APPARATUS, FIXTURE BOARD AND PIN ELECTRONICS CARD - There is provided a test apparatus for testing a device under test including a pre-emphasis circuit. The pre-emphasis circuit emphasizes a predetermined component of an output signal of the device under test and outputs the resulting output signal. Here, the test apparatus includes a filter that eliminates an emphasized component that is generated by the pre-emphasis circuit, from the output signal output from the device under test, and a testing section that measures the output signal output from the filter, and judges whether the device under test is acceptable based on a result of the measurement. The test apparatus can accurately test the pre-emphasis function of the device under test including the pre-emphasis circuit. | 2008-09-11 |
20080218179 | TEST APPARATUS AND TEST METHOD - A test apparatus for testing a device under test includes a first timing comparator obtaining a device output signal output from the device under test at a timing designated by a first strobe signal, a second timing comparator obtaining the device output signal at a timing designated by a second strobe signal supplied later than the first strobe signal, a preceding edge judging circuit, when rising and falling signals are input at the same timing as the device output signal, judging which one of the rising and falling signals arrives at the first and second timing comparators at an earlier timing, a preceding edge detecting circuit adjusting a timing at which the first strobe signal is supplied so that the first timing comparator obtains, at a timing of a rising or falling edge, one of the rising and falling signals which is judged to arrive earlier, and a following edge detecting circuit adjusting a timing at which the second strobe signal is supplied so that the second timing comparator obtains, at a timing of a rising or falling edge, one of the rising and falling signals which is judged to arrive later. | 2008-09-11 |
20080218180 | Apparatus, a System and a Method for Enabling an Impedance Measurement - The invention relates to an apparatus ( | 2008-09-11 |
20080218181 | Rotor blade system for rotor and rotor case inspection - The present invention relates to a system used for inspecting the position of a compressor rotor within a compressor rotor case. A compressor rotor blade is moved about the rotor blade path of the compressor rotor case, a probe holder attached to the rotor blade has a scanning device as part of the holder used for gathering information relative to the compressor rotor case. A fixture attached to the compressor rotor gathers information about the position of the compressor rotor with respect to the compressor rotor case to determine the relative position of both the compressor rotor in relation to the compressor rotor case. | 2008-09-11 |
20080218182 | Controlling Method for Capacitive Sensors - A controlling method for capacitive sensors in a vibrating mirror motor system includes a capacitive sensor, a subtraction circuit and an adder circuit connected to the capacitive sensor, a high frequency power supply providing power for the capacitive sensor, a D/A converter, and a gain stage adjustment device, wherein values obtained at the capacitive sensor are summed through the adder circuit, then the summed value and a value processed by the D/A converter are input to a comparator which comparing the values, and a gain adjusting value is obtained and supplied to the high frequency power supply, meanwhile the values obtained by capacitive sensor are subtracted by the subtraction circuit and then adjusted by the gain stage adjustment device, finally a position signal is outputted. | 2008-09-11 |
20080218183 | POWER-CONTROL DEVICE, ELECTRONIC APPARATUS INCLUDING THE SAME, AND METHOD FOR ACTIVATING ELECTRONIC APPARATUS - A sensor unit is configured to have an insulating case covering a mobile phone, a conductive substrate provided on the inner surface of the case, and a sensor electrode fixed on the surface of the conductive substrate. When a part of the human body of a user, such as a finger or a hand of the user, touches the surface of the case, a detection unit detects a change in capacitance provided between the human body and the conductive substrate. When it is determined that the user has touched the mobile phone, an activation signal is output and the operation mode of the mobile phone is set to a normal power mode in which power is automatically supplied. With this configuration, the operability of the mobile phone can be improved. | 2008-09-11 |
20080218184 | NANOPORE PLATFORMS FOR ION CHANNEL RECORDINGS AND SINGLE MOLECULE DETECTION AND ANALYSIS - Chemical modification of a glass and fused silica nanopore surfaces results in surface properties that are ideal for localized bilayer formation over a nanopore and subsequent ion channel recording. With no surface modification, one may form a bilayer supported on the glass capillary extending across the nanopore orifice. Changing the surface properties from that of bare glass to a moderately hydrophobic surface produces a lipid monolayer above the glass and spontaneously yields a bilayer across the nanopore orifice, effectively corralling a single protein ion channel in the lipid bilayer region spanning nanopore orifice. The bilayer structure over the modified nanopore is such that current can only flow through the protein ion channel. The protein ion channel is able to diffuse in the bilayer above the pore opening, but cannot leave this area to enter the lipid monolayer. The bilayer formed across the nanopore orifice exhibits high electrical breakdown voltage, is stable to mechanical vibrations, and is long lived. Resistance through the protein channel can be measured electrically and is exploited for stochastic single-molecule detection. Protein ion channels can be inserted and removed from the bilayer by adjusting transmembrane pressure, and adapter molecules can be electrostatically trapped in the ion channel by applying high transmembrane voltages. | 2008-09-11 |
20080218185 | PROBE NAVIGATION METHOD AND DEVICE AND DEFECT INSPECTION DEVICE - A probe navigation method, a navigation device, and a defect inspection device wherein in a charged particle beam system provided with probes for electrical characteristics evaluation, probing can be easily carried out regardless of the equipment user's level of skill are provided. To attain this object, probes and a test piece stage on which a test piece is placed are driven by independent driving means. Further, a large stage driving means which integrally drives the probes and the test piece stage is provided. In addition, CAD navigation is adopted. This enhances the equipment users' convenience during probing. | 2008-09-11 |
20080218186 | Image sensing integrated circuit test apparatus and method - An image sensing integrated circuit test device can include a plurality of conductive leads for making electrical contact with at least one integrated circuit device under test. A light directing structure can direct light onto the at least one integrated circuit device under test. The light directing structure includes a top member disposed in a lateral direction and having at least one aperture formed therein. For each aperture, a blocking member can be attached to the top member and disposed in a longitudinal direction around the aperture. The blocking member can prevent light arriving through the aperture from propagating in the lateral direction. | 2008-09-11 |
20080218187 | Probe testing structure - A calibration structure for probing devices. | 2008-09-11 |
20080218188 | JIG FOR PRINTED SUBSTRATE INSPECTION AND PRINTED SUBSTRATE INSPECTION APPARATUS - In a jig for inspection for inspecting a printed substrate in which a wiring part is formed on at least one surface, the jig comprises a base part which has a surface area larger than a surface area of at least the printed substrate targeted for inspection and is arranged as opposed to one surface of the printed substrate, and plural probe pins aligned and arranged at a predetermined distance mutually, any top end of the probe pin abutting on the wiring part of the printed substrate. | 2008-09-11 |
20080218189 | Method and System for Automatically Managing Probe Mark Shifts - Disclosed is a method and a system for automatically managing probe mark shifts. A determination is made from test data as to whether a die on a wafer is defective. A probe mark check on the wafer is made to determine whether a probe mark is shifted. Necessary recovery action is performed in response to the probe mark being shifted. In the probe mark check, a plurality of probe mark positions are selected from the test data. A determination is then made as to whether at least one of the plurality of probe mark positions violates an engineering rule. | 2008-09-11 |
20080218190 | TESTING DEVICE - A printed-circuit-board testing device that tests an electronic component disposed on a printed circuit board includes printed-circuit-board-tilt measuring means for measuring tilting of the printed circuit board, measuring means for measuring tilting of an arm having a probe that comes into contact with and tests the electronic component, correcting means for correcting the tilting of the arm on the basis of the tilting of the printed circuit board and the tilting of the arm, inputting means for inputting positional information of the electronic component, arm disposing means for disposing the arm to a predetermined position in accordance with the positional information and printed-circuit-board testing means for performing testing as a result of protruding the probe from the disposed arm. | 2008-09-11 |
20080218191 | PROBE ASSEMBLY WITH ROTARY TIP - A probe which is cleaning-free, of which rubbing operation can be precisely controlled, and can be used for narrow-pitch pads, is provided. The probe assembly includes: a Z-deforming portion elastically deformable at least in a vertical direction; a tip contact element which includes a contact portion having a curved section, the tip contact element being connected to and supported on an end of the Z-deforming portion via an arm member, the contact portion being made to contact with an electrode pad and is vertically displaceable and rotatable; and a stopper for restricting movement of the tip contact element. After the tip contact element is rotated, due to pushing force from the electrode pad, for a certain distance in a direction of rotation, the stopper controls the movement of the tip contact element to prevent further rotation and to allow vertical movement. | 2008-09-11 |
20080218192 | Methods and apparatus for translated wafer stand-in tester - A translated wafer stand-in tester (TWST), being a hybrid apparatus capable of emulating the form factor and some or all behaviors of a translated wafer under test, which is operable to store, quantify, encode and convey, either directly or remotely, data from a testing system, including but not limited to pad pressure, electrical contact and temperature. The TWST may include several stacked and attached layers,, at least one internal layer including electronic components operable to interact with a test system. | 2008-09-11 |
20080218193 | SEMICONDUCTOR DEVICE EVALUATION METHOD AND APPARATUS USING THE SAME - In order to provide a semiconductor device evaluation method and a semiconductor device evaluation apparatus for correctly detecting an error position and providing a substrate for observing a cross section without difficulties, a transport unit of a SEM apparatus moves a substrate on a stage. A detection unit detects electric information of observed objects including an error position arranged on the substrate. A calculating unit calculates integrals based on the electric information in at least first and second directions among directions in which arrays of the observed objects are arranged, detects a first waveform obtained by calculating the integral in the first direction and detects a second waveform obtained by calculating the integral in the second direction, wherein the first waveform includes a peak which contains the array of the observed objects including the error position and is larger than at least one of the other peaks, and wherein the second integral-waveform has peaks of substantially the same height. A control unit controls the transport unit so as to move the semiconductor substrate in a direction for maintaining the peak of the first waveform that includes the error position and controls the calculating unit to count the peaks of the second waveform. | 2008-09-11 |
20080218194 | STACKED PACKAGE SCREENING - A semiconductor device in which a plurality of devices provided with mutually identical functions are stacked includes: a chip selection terminal by which the semiconductor device selects devices, a prescribed terminal for generating a second internal signal that is selectively switched from a first internal signal from the chip selection terminal, and an input-switching circuit for selectively switching the first internal signal and the second internal signal. | 2008-09-11 |
20080218195 | POWER SUPPLY NOISE MEASURING CIRCUIT AND POWER SUPPLY NOISE MEASURING METHOD - A power supply noise measuring circuit and measuring method are provided which are capable of evaluating a frequency component of power supply noise that affects performance and functions in a circuit by using a cross-correlation function. The power supply noise measuring circuit includes a SIN wave generating circuit which generates a sine wave signal having a variable frequency in a constant amplitude, a cross-correlation processing circuit which calculates and output a cross-correlation function between power supply noise and a sine wave signal fed from the SIN wave generating circuit, a comparator which compares a cross-correlation function output with a specified threshold voltage and which generates an output when the cross-correlation function output exceeds the threshold voltage, and a counter which counts the number of occurrences of the output from the comparator within a specified time of period. | 2008-09-11 |
20080218196 | SYSTEM AND METHOD FOR PROTECTING DATA BASED ON GEOGRAPHIC PRESENCE OF A RESTRICTED DEVICE - A method of protecting data stored by an electronic device includes determining an identity of a restricted device. Also determined is the identity of restricted data associated with the restricted device, the restricted data being one or more items of data stored by the electronic device. Data protection for the restricted data to limit access to the restricted data by the restricted device in invoked when geographic presence of the restricted device with respect to the electronic device is detected. | 2008-09-11 |
20080218197 | PROGRAMMABLE LOGIC DEVICE HAVING REDUNDANCY WITH LOGIC ELEMENT GRANULARITY - A PLD having logic element row granularity redundancy is disclosed. The PLD includes a plurality of LABs arranged in an array and a plurality of horizontal and vertical inter-LAB lines interconnecting the LABs of the array. Each of the LABs further includes a predetermined number of logic elements and redundancy circuitry to replace a defective logic element with a non-defective logic element among the predetermined logic elements by shifting programming data intended to for the defective logic element to the non-defective logic element. | 2008-09-11 |
20080218198 | Semiconductor integrated circuit - It is made possible to detect degradation in a circuit before an operation fault will occur. A semiconductor integrated circuit includes: a circuit to be tested; a plurality of logical circuits which have different logical thresholds and which perform operation on an output of the circuit to be tested, on the basis of the logical thresholds; and a degradation notice signal generation circuit which generates a degradation notice signal to give notice that the circuit to be tested has degraded, when outputs of the logical circuits do not coincide with each other. | 2008-09-11 |
20080218199 | OUTPUT LEVEL STABILIZATION CIRCUIT AND CML CIRCUIT USING THE SAME - An output level stabilization circuit being an output level stabilization circuit for a CML circuit, the output level stabilization circuit includes: a replica circuit constituted of transistors respectively having the same characteristics as one of differential-pair transistors of the CML circuit and a current source transistor; a comparison circuit which compares an output of the replica circuit with a reference voltage and supplies the comparison result as a control voltage for the current source transistor of the replica circuit; and a variable impedance circuit arranged between the output of the replica circuit and an input of the comparison circuit. | 2008-09-11 |
20080218200 | Organic TFT inverter arrangement - An organic TFT (OTFT) inverter arrangement comprises an inverter stage including a series arrangement of first and second MOS OTFTs (T | 2008-09-11 |
20080218201 | CML DELAY CELL WITH LINEAR RAIL-TO-RAIL TUNING RANGE AND CONSTANT OUTPUT SWING - A current mode logic (CML) delay cell with linear rail-to-rail tuning range and constant output swing. The CML delay cell can include a tuning voltage input on a first and second transistor, contributing to a CML delay cell load, and a bias voltage input on a third transistor, as a current source I | 2008-09-11 |
20080218202 | Reconfigurable array to compute digital algorithms - An integrated circuit comprising a reconfigurable arrangement to compute digital algorithms by operating on digital data is described. | 2008-09-11 |
20080218203 | Programmable logic integrated circuit for digital algorithmic functions - A programmable integrated circuit for calculating a digital algorithm is disclosed. The integrated circuit is programmable to operate on input data in accordance with one or more predetermined digital algorithms. | 2008-09-11 |
20080218204 | METHOD OF CONFIGURING EMBEDDED APPLICATION-SPECIFIC FUNCTIONAL BLOCKS - A method of configuring application-specific functional blocks embedded in a user programmable fabric, the user programmable fabric comprising configuration data control means having an input and an output and the application-specific functional blocks comprising configuration memory means having an input and an output. The method comprises the steps of sending configuration data to configure the application-specific functional block to the configuration control means of the user programmable fabric, routing the output of the configuration data control means of the user programmable fabric to the input of the configuration memory means of the application-specific functional blocks, transferring the configuration data to the configuration memory means of the application-specific functional blocks and configuring, using the configuration data, the application-specific functional blocks. | 2008-09-11 |