42nd week of 2008 patent applcation highlights part 18 |
Patent application number | Title | Published |
20080252242 | Apparatus and method for driving rotary machine - A motor driving apparatus has a loss-of-synchronism monitoring circuit that monitors the rotation of a rotary machine such as a brushless DC motor to detect a sign of transition to a state of loss of synchronism. When the sign is detected, an energization control circuit temporarily stops driving of the rotary machine to bring it into a free running state, and thereafter carries out control so as to resume driving of the rotary machine. Further, the motor driving apparatus has an inverter and a drive control circuit that controls switching operation of the inverter based on rotation of the rotary machine. | 2008-10-16 |
20080252243 | AD CONVERSION CONTROL CIRCUIT AND RELATED ARTS - A selector selects an analog signal group to be used for PWM control out of a plurality of analog signals output by a PWM controlled load. An AD converter AD converts the analog signal group and generates a digital signal group that becomes control data for duty ratio setting in a duty ratio setting register to provide the generated digital signal group to a control unit for controlling a PWM circuit. A duty ratio comparison circuit compares duty ratios set by the plurality of duty ratio setting registers. An AD conversion channel selection circuit controls an analog signal group selecting operation by the selector based on a comparison result of the duty ratio comparison circuit. | 2008-10-16 |
20080252244 | SENSORLESS SPEED DETECTION OF A PM BRUSHLESS MOTOR WITH PHASE TERMINALS SHORTED - A method of determining the speed of a spinning sensorless brushless motor driven by an inverter when the phase terminals of the motor are shorted including determining a voltage related to the voltage developed in a phase leg of the inverter; from the determined voltage, determining the direction of current and providing a first signal determining transitions between current flowing in each of two directions; and from the first signal, determining the frequency of the current and thus the motor speed. | 2008-10-16 |
20080252245 | Motor Driving Circuit Having Low Current Consumption under a Standby Mode - A power cutter, an oscillator, a counter, a S-R latch, and a Hall bias are further disposed inside a DC motor driving circuit so that current consumption of the DC motor driving circuit is reduced significantly under a standby mode. When the counter detects that a received pulse width modulation signal stays at a low electrical level over a predetermined time, the counter triggers the S-R latch so as to activate a disabling signal of the power cutter for shutting down most elements until the pulse width modulation signal returns to a high electrical level. With the aid of the built-in Hall bias, space for externally coupling the Hall bias is saved, and moreover, a Hall sensor retrieves a dynamically-adjusted power and currents so that remarkable current consumption is saved under a standby mode. | 2008-10-16 |
20080252246 | Detection Method for an Electrical Polyphase Machine - The recognition of a polyphase machine ( | 2008-10-16 |
20080252247 | Quadruped Walking Robot - The present invention provides a quadruped walking robot the production costs and weight of which can be reduced by reducing the number of driving portions, and which is capable of carrying out stabilized walking motions even with the degree of freedom reduced in the leg portions. | 2008-10-16 |
20080252248 | Device and Method for Calibrating the Center Point of a Tool Mounted on a Robot by Means of a Camera - A device and a method for tool center point calibration of an industrial robot. The device is intended to calibrate an industrial robot with respect to a tool mounted on the robot. The device includes a camera designed to take a plurality of images of at least part of the robot tool for a plurality of different tool orientations, an image-processing unit designed to determine the positions of the robot tool in the orientations based on the images, a calculation module adapted to calculate the position of the center point of the robot tool, based on the determined positions, and a control module adapted to calculate the corrective movements of the robot. | 2008-10-16 |
20080252249 | Driver for an inflatable rotating exhibit - A driver for an inflatable rotating exhibit is mounted inside an inflatable rotating exhibit having a transparent inflatable body and a rotating body and has a rotating assembly and a reverse-rotation preventer. The rotating assembly connects to and rotates the rotating body, has a synchronous motor. The synchronous motor rotates in a direction and has a shaft. The shaft is driven by the synchronous motor and rotates the rotating body. However, the synchronous motor will reverse its rotation when the rotating body encounters even temporary resistance while rotating. The reverse-rotation preventer applies a resistance when the rotating body rotates in the wrong direction to make the synchronous motor reverse rotation again to the desired direction. So the reverse-rotation preventer ensures that the rotating inflatable exhibit rotates in the desired direction. | 2008-10-16 |
20080252250 | Motor Control Device - A motor control device has: a motor current detecting portion for detecting, based on a current flowing between an inverter that drives a three-phase motor and a direct-current power supply, a motor current flowing through the motor; a specified voltage value producing portion for producing, based on the motor current, a specified voltage value as a target value for a voltage to be applied to the motor, and outputting the specified voltage value thus produced; a specified voltage value holding portion for holding an earlier specified voltage value outputted from the specified voltage value producing portion; and a specific period setting portion for setting a specific period based on a voltage difference between two of U-phase, V-phase, and W-phase voltages of the motor. Outside the specific period, the motor is controlled via the inverter based on the specified voltage value outputted from the specified voltage value producing portion, and, within the specific period, the motor is controlled via the inverter based on the specified voltage value held by the specified voltage value holding portion. | 2008-10-16 |
20080252251 | SYSTEM FOR RECHARGING BATTERY-OPERATED DEVICES - A system for charging rechargeable devices is provided. This system includes a base, wherein the base further includes: a plurality of power sources; at least one rechargeable battery in electrical communication with the plurality of power sources; and a plurality of recharging ports in electrical communication with the at least one rechargeable battery. The system also includes at least one rechargeable device, wherein the at least one rechargeable device is adapted to be compatible with at least one of the plurality of recharging ports, and wherein the at least one rechargeable battery in the base provides energy sufficient to charge the at least one rechargeable the device. | 2008-10-16 |
20080252252 | CRADLE CHARGER CONTROLLER WITH BELOW GROUND LEVEL BIASING - A cradle charging system comprises a charging cradle defining a space for a battery of an electronic device. Transformer charging circuitry for charging the battery in the electronic device includes a primary side circuitry for receiving a charging voltage. Secondary side circuitry inductively couples the charging voltage to the battery. The secondary side circuitry provides a controlled output signal based on either constant voltage control or constant current control responsive to a charge level of the battery. | 2008-10-16 |
20080252253 | BATTERY REPLACEABLE PACK AND ELECTRONIC DEVICE WITH BATTERY REPLACEABLE PACK - A battery replaceable pack for a portable electronic device is provided. The battery replaceable pack includes a containing casing, at least one battery, a protecting circuit board, and a connector. The protecting circuit board has a charging circuit and a detecting circuit electrically connected with each other. When the portable electronic device is connected to an external power supply, the charging circuit performs a testing charge on the battery and the detecting circuit detects the status of the battery. The detecting circuit detects whether the battery is rechargeable so as to assure the battery safety. An electronic device with the battery replaceable pack is also disclosed. | 2008-10-16 |
20080252254 | Power storage device and semiconductor device provided with the power storage device - An object is to provide a power storage device provided with a battery that is a power storage means, for safe and accurate supply of electric power in a short period of time for drive power supply voltage without checking remaining capacity of the battery or changing batteries with deterioration over time of the battery for drive power supply voltage. The power storage device is provided with a battery that is a power storage means as a power supply for supplying electric power and a counter circuit for counting charging time of the power storage means. An electromagnetic wave with electric field intensity, magnetic field intensity, and power flux density per unit time which are transmitted from a power feeder are controlled, and the power storage means is efficiently charged using the electromagnetic wave in a short period of time. | 2008-10-16 |
20080252255 | CHARGER WITH INPUT AND OUTPUT VOLTAGES ADJUSTABLE BY MEANS OF SINGLE CIRCUIT MATED PLUG-IN CARD TYPE SWITCH - The present invention provides a charger whose input and output voltages are adjusted by means of a single circuit mated plug-in card type switches, in particular relates to a charger that is suited for various input voltages adjusted by various plug-in cards to achieve charging, which has a function of adjusting output voltages by means of plug-in card-type switches to securely and properly charge various electronic terminals having various rated voltages, and whose voltages are universally used for charging electronic terminals. The charger is characterized by comprising a charger body, a DC input and output jack and a slot on one side of the charger body; a circuit main board, N battery packs and a display circuit built in the charger body; a plurality of plug-in cards and a plurality of DC input converters, or a plurality of plug-in cards and a plurality of DC output converters, mated with the DC input and output jack and the slot, and plug type DC jacks arranged at one end of the plurality of DC input converters and the plurality of DC output converters respectively; and a external power source and output wires connected to the plug type DC jacks respectively. The external power source is input into the built in electronic circuit through the plurality of input converters and the plurality of input plug-in cards, so that the input charging current can be adjust to charge the battery packs, and there also are electronic circuit arranged in the plurality of output plug-in cards, so that output voltage can be adjusted by changing values of electronic parts to satisfy the charging requirement of electronic terminals. | 2008-10-16 |
20080252256 | Multi-battery charging system and method - A multi-battery charging system comprises a computing device having a controller configured to control a plurality of power regulators, each of the plurality of power regulators for regulating charging power to a respective battery, at least one of the power regulators disposed external to the computing device. | 2008-10-16 |
20080252257 | Multiplexer and Switch-Based Electrochemical Cell Monitor and Management System and Method - A system for monitoring a plurality of battery cells using the switch and multiplexing circuits with the plurality of monitored signal indicating the battery voltage levels for each cell by switching the measured voltage of each cell and using switching of the monitored cell voltage to selectively measure each selected signal ( | 2008-10-16 |
20080252258 | Charging Method for a Lead-acid Battery - A charging method for a lead-acid battery allows the lead-acid battery to finish charging within an hour, and keeps the temperature of the lead-acid battery below 40 C. The charging method comprises three important parts, which are charging period, rest period, and discharging period. The three parts cooperate together to achieve an objective that allows the lead-acid battery to finish charging within an hour, and keeps the temperature of the lead-acid battery below 40° C., otherwise the service life of the lead-acid battery will be shortened, and the lead-acid battery will even be destroyed. | 2008-10-16 |
20080252259 | Power supply unit and electric apparatus - Provided is a power supply unit that notifies the third person that the electric apparatus is in the state prohibiting introduction into vehicle and also make the electric apparatus in the state safely introducible into vehicle at the same time. | 2008-10-16 |
20080252260 | System and method for charging and pulsating batteries - A battery charging and pulsating system including a battery having a positive terminal and a negative terminal, a charger connected to the positive and negative terminals of the battery, the charger including a controller, a pulsator connected to the positive and negative terminals of the battery and a filter positioned between the charger and the pulsator to filter signals received from the pulsator. | 2008-10-16 |
20080252261 | BATTERY CHARGING APPARATUS, BATTERY PACK, BATTERY CHARGING SYSTEM, AND BATTERY CHARGING METHOD - A battery pack charging method and battery charging apparatus including: a plurality of charge units which charge respective battery cells of the battery pack, by outputting pulse currents, generated from a supplied DC voltage, in response to enable signal; and a plurality of signal detection units to detect a falling edge of the pulse currents and to output the enable signals to the charge units. | 2008-10-16 |
20080252262 | Device And Method For Charging And Controlling The Charge Of A Battery - An apparatus and a method for charging and for charge monitoring of a rechargeable battery. A charging circuit contains a rechargeable battery (B) and a charging device (L) for charging the rechargeable battery. A measurement device (M) is arranged in the charging circuit and contains a device for determining the rechargeable-battery current and the state of charge of the rechargeable battery. A control device (R) compares a value that is proportional to the rechargeable-battery current with a set value, and controls the charging device. | 2008-10-16 |
20080252263 | Battery Pack and Electric Tool - A battery pack includes a plurality of lithium battery cells, an analog thermo sensing member, and an analog switch. The analog thermo sensing member detects, in an analog form, a battery temperature of at least one of the plurality of lithium battery cells, and outputs an output preventing signal if the battery temperature is over a first predetermined temperature. The analog switch element is the plurality of lithium battery cells in series, and is switched, based on the output preventing signal, to a state in which a current is prevented from flowing in the plurality of lithium battery cells. | 2008-10-16 |
20080252264 | Battery Charger for Preventing Charging Currents from Overshooting During Mode Transition and Method Thereof - A battery charger for charging a battery through controlling a charging regulation circuit is provided. The battery charger includes a constant voltage mode controller, a current sensing unit, and a reference voltage generator. The constant voltage mode controller is for comparing a battery voltage of the battery with a first reference voltage to generate a regulation signal, and utilizing the regulation signal to control the charging regulation circuit to regulate a charging current applied to the battery. The current sensing unit is for monitoring the charging current to generate an error signal. The reference voltage generator is for setting the first reference voltage according to the error signal. By adding a voltage generator to the battery charger, the overshoot charging current will be reduced and the mode transition will become smooth. | 2008-10-16 |
20080252265 | DETECTION CIRCUIT - A detection circuit that reduces circuit scale. A plurality of current amplifiers respectively generate a plurality of detection signals corresponding to current flowing to a plurality of resistors. An error amplifier coupled to the plurality of current amplifiers compares the plurality of detection signals with a plurality of reference signals, respectively, to generate an error signal based on the comparison. | 2008-10-16 |
20080252266 | Device and Method for Balancing Charge Between the Individual Cells of a Double-layer Capacitor - A device and a method for balancing charge between individual cells of a double-layer capacitor, in particular in a multi-voltage motor vehicle electrical system. Each individual cell of the double-layer capacitor is associated with a capacitor, the first terminal of which can be connected via a first switch to a first terminal of the associated cell and via a second switch to a second terminal of the associated cell, and the second terminal of which is connected to the second terminals of all of the capacitors. | 2008-10-16 |
20080252267 | DEVICE FOR SUPPLYING ELECTRICAL POWER TO AN AIRCRAFT AND FOR ELECTRICALLY STARTING A JET ENGINE ON BOARD AN AIRCRAFT - This invention relates to a device for supplying electrical power to an aircraft and for electrically starting a jet engine on board an aircraft, including a multi-phased starter-generator, a multi-phased transformer-rectifier unit, a multi-phased DC-AC converter, a multi-phased rectifier unit, and at least one three-phase inverter, wherein the number of phases is equal to or greater than 5. | 2008-10-16 |
20080252268 | Method for actuation, and actuating circuit for a switch in a power factor correction circuit - The document describes a method and an actuating circuit for actuating a switch regulating the power consumption in a power factor correction circuit which has input terminals for applying an input voltage and output terminals for providing an output voltage. In this case, the switch is cyclically turned on for an on-time and turned off for an off-time, respectively, with the on-time having a first on-time period and a second on-time period which is directly adjacent to the first on-time period. A length for the first on-time period is in this case dependent on the control signal, and a length for the second on-time period is proportional, at least for a prescribed range of values for an instantaneous value of the input voltage, to a quotient with a first first-degree function for this instantaneous value in the denominator and a second first-degree function for the instantaneous value in the numerator, with function values for the first function increasing as the instantaneous value rises. | 2008-10-16 |
20080252269 | Actuating circuit - Disclosed is an actuating circuit and method for actuating a switch regulating the power consumption in a power factor correction circuit having input terminals for applying an input voltage and output terminals for providing an output voltage. The switch is cyclically turned on for an on-time and turned off for an off-time, the on-time having a first on-time period and a second on-time period directly adjacent to the first on-time period. A length for the first on-time period is dependent on the control signal, and a length for the second on-time period is proportional, at least for a prescribed range of values for an instantaneous value of the input voltage, to a quotient with a first first-degree function for the instantaneous value in the denominator and a second first-degree function for the instantaneous value in the numerator, with function values for the first function increasing as the instantaneous value rises. | 2008-10-16 |
20080252270 | PHASE CONTROL METHOD AND PHASE CONTROL DEVICE - A selectable operation amount is set as a threshold value according to an input operation amount, where if a determination value obtained by adding the input operation amount and an integrated operation amount or an output error accumulated value is greater than or equal to the threshold value, the threshold value is selected as the output operation amount, and if the determination value is not greater than or equal to the threshold value, a selectable output operation amount close to the threshold value is selected, and the ON/OFF control is performed with the selected output operation amount, while the selected output operation amount is subtracted from the determination value to correct the integrated operation amount, so that the input operation can be substantially output even if it takes an operation amount other than the selectable operation amount values. | 2008-10-16 |
20080252271 | Power conversion device - In a power conversion device having high side and low side switches connected to a coil, a direction of a coil current is determined during a dead time period where the respective switches turn off at the same time to make the increase/decrease ratio of the coil current correspond to a command value. Based on a direction detection signal and a PWM signal of a PWM signal generation unit, an operation mode of a power converter circuit is determined, and a ratio correction value and an offset value of the PWM signal is set with respect to a control period of the PWM signal. As a result, a change in the operation mode of the power converter circuit is detected to allow the increase/decrease ratio of the coil current to correspond to a command switching ratio. | 2008-10-16 |
20080252272 | VOLTAGE REGULATOR WITH COTROL OF SWITCHING ELEMENTS - A regulator comprises an output terminal producing a regulated output voltage, a first comparator, a second comparator, a first sourcing circuit coupled to the output terminal, and a first sinking circuit coupled to the output terminal. The first comparator compares a feedback signal representative of the output voltage and a first sourcing reference signal that is less than a reference signal. The second comparator compares the feedback signal and a first sinking reference signal that is greater than the reference signal. The first sourcing circuit is configured to be responsive to the first comparator by sourcing a first current to the output terminal. The first sinking circuit is configured to be responsive to the second comparator by sinking a second current from the output terminal. | 2008-10-16 |
20080252273 | DC/DC CONVERTER - The present invention is related to a dc/dc converter. A dc/dc converter according to the present invention comprises an inductor, a switch unit connected to both ends of the inductor and charging or retrieving an energy into the inductor, an output unit comprising an output switch unit outputting the energy charged in the inductor into an output end and a first comparison unit controlling an on-off of the output switch unit, a freewheeling switch unit connected to both ends of the inductor and returning a residual current remained in the inductor, a current sense unit sensing the residual current, an offset current generation unit generating an offset current, an error amplifier comparing the residual current inputted from the current sense unit to the offset current generated in the offset current unit and outputting the error signal, and a control unit controlling the switch unit with the error signal inputted from the error amplifier. | 2008-10-16 |
20080252274 | Pseudo Fixed Frequency Switch-Mode DC/DC Voltage Regulator Control Method - A method for controlling a step down regulator includes (a) generating a first feedback signal as a function of the voltage at the output node; (b) generating a second feedback signal as a function of the voltage at the input node; (c) maintaining the on-time of the low-side switch at a fixed duration; and (d) varying the on-time of the high-side switch to be proportional to the first feedback signal and inversely proportional to the second feedback signal so that the switching frequency of the high and low side switches is approximately constant. | 2008-10-16 |
20080252275 | Determining average output current in DC-DC converter - A switching circuit for converting an input voltage into an output voltage has an input terminal for receiving the input voltage. A power switching element is coupled to the input terminal and has duty cycle d controllable to adjust the output voltage with respect to a desired level using inductor current representing current in an inductor element connectable to the power switching element. An average and hold circuit is responsive to a voltage at an output of the power switching element to produce an average switch voltage over an ON phase of a switching cycle of the power switching element. A voltage-to-current converter is responsive to the average switch voltage for producing representation of an average inductor current over one or more switching cycles. A current modulator having a duty cycle equal to 1-d modulates the representation of the average inductor current to produce a signal proportional to an average output current of the switching circuit over one or more switching cycles. | 2008-10-16 |
20080252276 | Method of Forming a Buck-Boost Mode Power Supply Controller and Structure Therefor - In one embodiment, a power supply controller is configured to operate a plurality of switches in a buck-boost mode to control an output voltage wherein at least one switch of the plurality of switches is enabled for a substantially fixed portion of a cycle of the buck-boost mode. | 2008-10-16 |
20080252277 | DIGITAL CONTROL SWITCHING POWER-SUPPLY DEVICE AND INFORMATION PROCESSING EQUIPMENT - To provide a digital control switching power-supply device capable of suitably achieving fast transient response at the time of a sudden load change. In parallel with normal digital signal processing means that outputs a PWM pulse signal having a desired duty, transient variation detection means composed of a CR filter provided across an output inductor and a window comparator is provided in preparation for a sudden load change. If a sudden decrease in load is detected, a PWM pulse signal having a duty of 0% is forcedly output, and if a sudden increase in load is detected, a PWM pulse signal having a duty of 100% is forcedly output. | 2008-10-16 |
20080252278 | System and Method for Controlling a Hysteretic Mode Converter - A system and method for controlling a conversion frequency of a hysteretic mode voltage converter. A digital control loop comprises a timing measure unit having a first input coupled to a reference clock and a second input coupled to a clock based on a switching of the switching of the converter, and an on time adjust unit coupled to the timing measure unit. The timing measure unit counts a number of clock ticks of a clock signal provided by the clock occurring during a period of time specified by a number of clock ticks of a reference clock signal provided by the reference clock. The on time adjust unit adjusts an on time control signal based on the count of the number of clock ticks of the clock signal to alter a frequency of the switching. | 2008-10-16 |
20080252279 | CONTROL CIRCUIT FOR DC CONVERTER - A method of controlling at least one transistor of a DC voltage converter to regulate an output voltage of the DC converter, the method including determining whether the output voltage of the DC converter is within a first or second voltage range, the second voltage range including a desired value of the output voltage; if the output voltage is in the first voltage range, generating a control signal using a first control method performed by a first controller, the first controller receiving the output voltage and determining the control signal based on the value of the output voltage in the first voltage range; and if the output voltage is in the second range, generating a control signal using a second control method performed by a second controller, the second controller receiving the output voltage and determining the control signal based on the value of the output voltage in the second voltage range. | 2008-10-16 |
20080252280 | CONTINUOUS-TIME DIGITAL CONTROLLER FOR HIGH-FREQUENCY DC-DC CONVERTERS - The present invention is a voltage mode digital controller for low-power high-frequency dc-dc converters that has recovery time approaching physical limitations of a given power stage. It consists of a digital controller with load transient response approaching physical limitations of a given power stage that is suitable for low-power SMPS. In one aspect the invention is a method of utilizing a continuous-time digital signal processor (CT-DSP) for regulation of the operation of switch-mode power supplies. A CT-DSP can be used to instantaneously detect changes of voltage or current during transition periods and immediately perform control action that results in the fastest possible response. The invention may include current program mode controllers for SMPS where the input current is sensed as well as power factor correction rectifiers (PFC), where often input voltage, input current and output voltage are sensed. Upon sensing a deviation in the input voltage the CT-DSP is utilized to apply a switch-mode power operation whereby the controller switches between continuous-time and digital function. | 2008-10-16 |
20080252281 | Switching power supply circuit having soft start circuit - An exemplary switching power supply circuit includes at least a power input terminal, a power control chip, and a soft start circuit. The power input terminal is configured for receiving an operating voltage applied to the switching power supply circuit, and the power control chip is configured for modulating a pulse width of an output current of an optical coupler in the soft start circuit to gain a pulse width voltage of the switching power supply circuit. The soft start circuit includes a first resistor, a second resistor, a capacitor, and a transistor performing an amplifying function. | 2008-10-16 |
20080252282 | REFERENCE CURRENT CIRCUIT - Provided is a reference current circuit able to reduce temperature dependence of the reference current even in a case of using a resistor with extremely low temperature-dependent resistance. The reference current circuit comprises a non-inverting amplifier circuit | 2008-10-16 |
20080252283 | Meter Electronics and Methods for Determining a Phase Difference Between a First Sensor Signal and a Second Sensor Signal of a Flow Meter - Meter electronics ( | 2008-10-16 |
20080252284 | Measuring a Current Supplied By a Rotating Electric Machine Such as an Alternator - The invention relates to an electric machine comprising a stator ( | 2008-10-16 |
20080252285 | Machine with a rotary position-sensing system - A machine includes a first component and a second component between which relative rotation can occur about a rotation axis. The machine may also include a rotary position-sensing system, which may include a plurality of magnets mounted to the first component. The plurality of magnets mounted to the first component may include a first magnet and a second magnet mounted to the first component at different angular positions around the rotation axis. The first magnet may be magnetized in a first direction that is at an angle to a circle that extends through the first magnet perpendicular and concentric to the rotation axis. The rotary position-sensing system may also include a magnetic-flux sensor mounted to the second component to sense magnetic flux generated by at least one of the first magnet and the second magnet and generate a signal. | 2008-10-16 |
20080252286 | MULTIPLE TRACK SENSE MAGNET ASSEMBLY - A sense magnet assembly including a generally circular hub portion defining a central axis. The hub portion includes a generally disk-shaped base portion and an outer wall extending axially from an outer edge of the base portion. An elastic magnet material is provided including a plurality of annular portions positioned at radially spaced locations. A substantially rigid annular divider formed of a non-magnetic material is located between adjacent pairs of the annular portions of the magnet material, and a rigid cover is provided extending over the magnet material to limit movement of the magnet material in response to centrifugal forces. | 2008-10-16 |
20080252287 | Method and Arrangement for the Contactless Inspection of Moving Electrically Conductive Substances - The invention relates to a method and arrangement for the contactless determination of conductivity-influencing properties and their spatial distribution over the entire cross section of an electrically conductive substance moving in a primary magnetic field (B). The substance may be a liquid or a solid. A simultaneous measurement of a number of mechanical state parameters of the magnetic system is performed (three-dimensional components of the force and the torque), said parameters being variable by the effect of a secondary field on the magnetic system, the secondary field being produced on the basis of eddy currents induced in the substance by the primary field (B). To determine the spatial distribution of the property that is sought, the primary field is changed in intensity or form a number of times and a measurement of the state parameters is carried out for each change. The determination of the properties sought or their distribution takes place by solving an inverse problem using the method of least squares. | 2008-10-16 |
20080252288 | Magnetic Sensor Device with Filtering Means - The invention relates to a magnetic sensor device ( | 2008-10-16 |
20080252289 | Current and Magnetic Field Sensors, Control Method and Magnetic Core For Said Sensors - The invention relates to a magnetic field sensor comprising at least one magnetic core ( | 2008-10-16 |
20080252290 | Rapid MRI dynamic imaging using MACH - An MRI includes at least a singular imaging channel which uses a smoothly varying sampling pattern to sparsely sample k-space as a series of parallel lines over time to acquire data of an object. The MRI includes a computer in communication with the imaging channel that performs a signal processing routine to interpolate the data and fill in points of k-space which were not sampled by the imaging channels and produce an image of the object. A method for using an MRI includes the steps of acquiring data of an object with at least a singular imaging channel of the MRI which uses a smoothly varying sampling pattern to sparsely sample k-space as a series of parallel lines over time. There is the step of performing a signal processing routine with a computer in communication with the imaging channel to interpolate the data and fill in points of k-space which were not sampled by the imaging channels. There is the step of producing an image of the object. | 2008-10-16 |
20080252291 | High Angular Resolution Diffusion Weighted Mri - A magnetic resonance imaging method involves acquisition of magnetic resonance signals with application of diffusion weighting at a plurality of diffusion weighting strengths diffusion directions. An object dataset is reconstructed from the magnetic resonance signals in which apparent diffusion coefficients are assigned. The occurrence of one single or several diffusion directions in identified for individual voxels. In this way account is taken of crossing fibres. | 2008-10-16 |
20080252292 | MAGNETIC RESONANCE DIAGNOSING APPARATUS AND MEDICAL IMAGE DISPLAY APPARATUS - A magnetic resonance diagnosing apparatus includes an imaging unit which images each slice image of a subject in relation to a plurality of different imaging slices, a measurement unit which measures a magnetic resonance spectrum of the subject in relation to a measurement slice, a selection unit which selects slice images corresponding to one or more imaging slices which at least partially overlap the measurement slice from the plurality of slice images, and a creation unit which creates a display image which simultaneously shows the selected one or more slice images and the spectral image. | 2008-10-16 |
20080252293 | DETECTION OF RESONANT TAGS BY ULTRA-WIDEBAND (UWB) RADAR - A detection system having a receiver for detecting a material having a magnetic resonance response to illumination by pulses of ultra-wideband (UWB) electromagnetic radiation is disclosed. The receiver comprises a detector for detecting the pulses after they have interacted with the material, and a discriminator arranged to identify in the detected pulses the magnetic resonance response of the material. By scanning an item tagged with a tag having a material having a magnetic resonant response, by illuminating the item with UWB pulses and identifying in detected pulses the magnetic resonance response of the material, items can be located, imaged, or activated. The magnetic resonance response of the tag can cause activation of the tag. The tag can have a magnetic resonance response arranged to provide an identifiable magnetic resonance signature such that different tags can be identified and distinguished by their signatures. | 2008-10-16 |
20080252294 | Nuclear magnetic resonance spectrometer - It is an object of the invention to provide, in a nuclear magnetic resonance spectrometer wherein the direction of the static magnetic field is the horizontal direction, a nuclear magnetic resonance probe coil having a highly uniform magnetic field, which can measure at high sensitivity. The present invention, by selecting the design and shapes of the materials forming the probe coil with a view to suppressing disorder in the magnetic field distribution, and using superconducting thin film coils formed on hollow circular substrates to form a receiver coil and coil support materials having curved surfaces, provides a nuclear magnetic resonance spectrometer of high sensitivity that can improve uniformity of a magnetic field. | 2008-10-16 |
20080252295 | Detection of Borehole Effects Due to Eccentricity on Induction Instruments with Tilted Transducers - A transverse antenna of an electromagnetic induction measurement is provided with an additional pair of split antennas. The difference in the outputs of this split antennas is indicative of a borehole effect such as eccentering of the tool. | 2008-10-16 |
20080252296 | Multiple Frequency Based Leakage Correction for Imaging in Oil Based Muds - Oil-based mud imaging systems and methods having leakage current compensation. In some embodiments, disclosed logging systems include a logging tool in communication with surface computing facilities. The logging tool is provided with a sensor array having at least two voltage electrodes positioned between at least two current electrodes that create an electric field in a borehole wall, and is further provided with electronics coupled to the current electrodes to determine a differential voltage between the voltage electrodes in response to different current frequencies from the current electrodes. From the voltage measurements at different frequencies, the computing facilities determine borehole wall resistivity as a function of depth and azimuth, and may display the resistivity as a borehole wall image. | 2008-10-16 |
20080252297 | APPARATUS AND ELECTRONIC SYSTEM FOR A BICYCLE AND RELATED METHODS - In order to allow the cyclist to keep the state of the batteries under control during use of a bicycle equipped with an on-board electronic apparatus or during the recharging of the batteries, data is displayed to the cyclist relative to the batteries on the display device of the on-board electronic apparatus. | 2008-10-16 |
20080252298 | BROADBAND MICRO-MACHINED THERMAL POWER SENSOR - A power sensor comprises a substrate, an insulating membrane associated with the substrate, and an electro-thermal transducer partially supported by the insulating membrane. The electro-thermal transducer includes an impedance matched load spaced from the substrate by the insulating membrane, and a thermopile partially spaced from the substrate by the insulating membrane and partially arranged on the substrate, the thermopile being adapted to generate, a voltage in response to heat generated in the impedance matched load. An electrically conductive member connected with the impedance matched load to guide electromagnetic signals to the electro-thermal transducer. | 2008-10-16 |
20080252299 | Cell or stack for evaluating performance of fuel cell and method of evaluating performance of fuel cell using the same - The present invention provides a cell or stack for evaluating the performance of a fuel cell and a method of evaluating the performance of the fuel cell using the cell or stack, in which a semiconductor thermoelectric device, attached to the side surface of the unit cell or stack of the fuel cell, is provided so as to evaluate the performance of the fuel cell in an environment in which temperature is maintained at a uniform temperature. | 2008-10-16 |
20080252300 | Detecting device - A detecting device for detecting the electrical connection between several first pads and second pads of a package substrate is provided. The first and the second pads are disposed on two opposite sides of the package substrate. The detecting device includes a socket unit, several first detecting components and several second detecting components. The socket unit is disposed on and coupled to the first pads. The first detecting components are disposed on and coupled to the socket unit. The second detecting components are disposed under and coupled to the second pads. The socket unit and the second detecting components are disposed on two opposite sides of the package substrate. While detecting, the first detecting components, the socket unit, the first pads, the second pads and the second detecting components are electrically connected sequentially, so as to determine whether the first pads are respectively and electrically connected to the second pads. | 2008-10-16 |
20080252301 | Calibration Device and Calibration Method for Adjusting a Directional-Coupler Measuring System - A calibration device for adjusting the forward power and reflected power measured via a single measuring directional coupler which is connected to a high-frequency transmitter, the forward power that is attenuated with a | 2008-10-16 |
20080252302 | Device for analyzing the composition of the contents of a container comprising means for obtaining at least one additional physical datum relating to the container - The invention relates to a device for analyzing the composition of the contents of a container, comprising:
| 2008-10-16 |
20080252303 | CAPACITANCE DETECTING APPARATUS - A capacitance detecting apparatus includes: a first on/off switch; a first reference capacitor; a second on/off switch; a third on/off switch; a first sensor electrode; a fourth on/off switch; a second reference capacitance; a fifth on/off switch; a sixth on/off switch; a second sensor electrode; a comparator; switch controlling means for alternately repeating a second switch operation and a third switch operation following a first switch operation; counting means for counting a number of times for repeating the second switch operation; and judging means for judging changes in capacitances related to the first and second sensor electrodes, based upon the number of times for repeating the second switch operation counted by the counting means before a level of voltage at the first input terminal and a level of voltage at the second input terminal are reversed. | 2008-10-16 |
20080252304 | System for Electrical Impedance Tomography and Method Thereof - A system for electrical impedance tomography and method thereof are disclosed, by which electrical characteristics within a measurement target can be precisely detected. The present invention includes the steps of injection a current to a measurement target via at least one electrode pair selected form a plurality of electrodes ( | 2008-10-16 |
20080252305 | Device for analysing the composition of the contents of a receptacle including an analysis receptacle - The invention relates a device for analysing the composition of the contents of a receptacle, including:
| 2008-10-16 |
20080252306 | Displacement detection pattern for detecting displacement between wiring and via plug, displacement detection method, and semiconductor device - A displacement detection pattern, usable for detection of a relative displacement between a wiring and a via plug, includes a wiring provided between via plugs and a conductor. The conductor is provided in the same layer level as a level at which the wiring is provided and is provided at a predetermined distance from the wiring. | 2008-10-16 |
20080252307 | Techniques for measuring network channel resistive loss between a power-sourcing apparatus and a powered device - A method and apparatus are provided for determining resistive power loss through a channel between Power Sourcing Equipment (PSE) and a Powered Device (PD). The method includes (1) receiving indication that a PSE signal measurement is available from the PSE or a PD signal measurement is available from the PD, (2) selecting, as an input parameter to a processing operation, at least one of the PSE signal measurement or the PD signal measurement, (3) performing the processing operation to calculate a resistance value indicative of the resistive power loss through the channel between the PSE and PD based on the input parameter, and (4) outputting the resistive power loss value as a result of carrying out the processing operation. | 2008-10-16 |
20080252308 | Power Grid Structure to Optimize Performance of a Multiple Core Processor - A reduced number of voltage regulator modules provides a reduced number of supply voltages to the package. The package includes a voltage plane for each of the voltage regulator modules. Each core or other component on the die is tied to a switch on the package, and each switch is electrically connected to all of the voltage planes. A wafer-level test determines a voltage that optimizes performance of each core or other component. Given these voltage values, an engineer may determine voltage settings for the voltage regulator modules and which cores are to be connected to which voltage regulator modules. A database stores voltage setting data, such as the optimal voltage for each component, switch values, or voltage settings for each voltage regulator module. An engineering wire may permanently set each switch to customize the voltage supply to each core or other component. | 2008-10-16 |
20080252309 | Method and apparatus for generating an EMI fingerprint for a computer system - A system that generates an electromagnetic interference (EMI) fingerprint for a computer system is presented. During operation, the system executes a load script on the computer system, wherein the load script includes a specified sequence of operations. Next, the system receives EMI signals generated by the computer system while executing the load script. The system then generates the EMI fingerprint from the received EMI signals. | 2008-10-16 |
20080252310 | HYBRID PROBE FOR TESTING SEMICONDUCTOR DEVICES - A novel hybrid probe design is presented that comprises a torsion element and a bending element. These elements allow the probe to store the displacement energy as torsion or as bending. The novel hybrid probe comprises a probe base, a torsion element, a bending element, and a probe tip. The probe elastically deforms to absorb the displacement energy as the probe tip contacts the DUT contact pad. The bending element absorbs some of the displacement energy through bending. Because the torsion element and the bending element join at an angle, a portion of the displacement energy is transferred to the torsion element causing it to twist (torque). The torsion element can also bend to accommodate the storage of energy through torsion and bending. Also, adjusting the position of a pivot can be manipulated to alter the energy absorption characteristics of the probe. One or more additional angular elements may be added to change the energy absorption characteristics of the probe. And, the moment of inertia for the torsion and/or bending elements can by manipulated to achieve the desired probe characteristics. | 2008-10-16 |
20080252311 | Verifying an assembly manufacturing process - Apparatus and method for performing a verification buy-off operation during an assembly manufacturing process, such as during printed circuit board (PCB) manufacturing. A processing device is configured to establish contact between a probe assembly and a first component of an assembly having a plurality of components loaded in predetermined positions but not yet electrically intercoupled, and to receive from the probe assembly a component value associated with the first component. Preferably, the processing device further determines whether the received component value is within a predetermined specification. The processing device preferably directs a user via a graphical user interface (GUI) to manipulate the probe assembly to a position proximate the first component. The GUI preferably provides a graphical representation of the assembly and a marker that identifies the location of the first component thereon. All of the components of the assembly are preferably verified individually prior to a full production run. | 2008-10-16 |
20080252312 | Apparatus for testing system-in-package devices - Apparatus for testing System-In-Package (SIP) devices each having a plurality of electrical leads is described. The apparatus utilizes industry standard JEDEC trays and tests all devices in such trays at the same time. The apparatus of the illustrative embodiment comprises a test hive comprising: a plurality of test circuits corresponding in number to the number of cells in the tray; and a plurality of groups of test contacts, each of the groups of the test contacts being coupled to one of the test circuits and being oriented to engage the plurality of electrical contacts of a SIP device disposed in a corresponding one of the cells, the test hive being operable to simultaneously, electrically test all of the SIP devices in each tray engaged by the hive without removing the SIP devices from the tray. | 2008-10-16 |
20080252313 | Method for testing system-in-package devices - A method for testing System-In-Package (SIP) devices each having a plurality of electrical contacts is described. The method and apparatus utilizes industry standard JEDEC trays and tests at least a predetermined portion of all devices in such trays at the same time. | 2008-10-16 |
20080252314 | Apparatus for testing system-in-package devices - Apparatus for testing System-In-Package (SIP) devices each having a plurality of electrical leads is described. The apparatus utilizes industry standard JEDEC trays and tests at least a predetermined portion of all devices in such trays at the same time. The apparatus comprises a test hive comprising: a plurality of test circuits corresponding in number to at least a predetermined number of cells in the tray: and a plurality of groups of test contacts, each group is coupled to one of the test circuits and is oriented to engage the plurality of electrical contacts of a SIP device disposed in a corresponding one of the cells. The lest hive is operable to simultaneously, electrically test at least a predetermined number of the number of the SIP devices in each tray engaged by the hive without removing the SIP devices from the tray. The apparatus also includes a sorter automatically operable to remove each SIP device that did not pass electrical testing with SIP devices that did pass electrical testing until a tray of electrically tested SIP devices is fully populated with SIP devices that did pass electrical testing. | 2008-10-16 |
20080252315 | ELECTRICAL COMPONENT HANDLER HAVING SELF-CLEANING LOWER CONTACT - An electrical component handler that tests electrical circuit components and includes a self-cleaning lower contact offers reduced yield loss and mean time between assists. A preferred embodiment of the electrical component handler includes multiple sets of upper and lower contacts, each set of which is spatially aligned to electrically contact a single device-under-test (DUT). Each DUT is seated in a test plate that transports the DUT to and from a test measurement position between the upper and lower contacts. The lower contact includes a contact tip that a biasing mechanism urges against the electrical component as it undergoes a test process and against a surface of the test plate as it transports the electrical component. The lower contact rubs against the test plate, thereby contributing to removal of contaminant material acquired by the contact tip during component handler operation. | 2008-10-16 |
20080252316 | Membrane probing system - A membrane probing assembly includes a probe card with conductors supported thereon, wherein the conductors include at least a signal conductor located between a pair of spaced apart guard conductors. A membrane assembly includes a membrane with contacts thereon, and supporting at least a signal conductor located between a pair of spaced apart guard conductors. The guard conductors of the probe card are electrically interconnected proximate the interconnection between the probe card and the membrane assembly. The guard conductors of the membrane assembly are electrically interconnected proximate the interconnection between the probe card and the membrane assembly. | 2008-10-16 |
20080252317 | Apparatus for testing system-in-package devices - Apparatus for testing System-In-Package (SIP) devices is described. The apparatus utilizes industry standard JEDEC trays and transports the trays into a tester. | 2008-10-16 |
20080252318 | METHOD FOR TESTING MICRO SD DEVICES USING EACH TEST CIRCUITS - A method for testing micro SD devices each having a plurality of electrical leads is described. The method utilizes industry standard JEDEC trays and tests at least a predetermined portion of the devices in such trays at the same time. The method of the illustrative embodiment include the steps of: providing a test hive comprising a plurality of test circuits corresponding in number to at least a predetermined portion of said cells and comprising a plurality of groups of test contacts, each group of said groups of test contacts being coupled to one of said test circuits and being oriented to engage said plurality of electrical contacts of a micro SD device disposed in a corresponding one of said cells; moving each said tray from said stack one at a time to a position proximate said test hive; causing relative movement of said tray proximate said test hive whereby said test hive engages said tray of micro SD devices and said test hive such that electrical connection is made simultaneously by each of said groups of test contacts with said electrical contacts of a micro SD device disposed in said corresponding one of said cells; and simultaneously, electrically testing at least a predetermined portion of said micro SD devices in each tray engaged by said hive without removing said micro SD devices from said tray. | 2008-10-16 |
20080252319 | Apparatus for testing system-in-package devices - Apparatus for testing System-In-Package (SIP) devices each having a plurality of electrical contacts is described. The apparatus utilizes industry standard JEDEC trays and tests at least a predetermined portion of the devices in such trays at the same time. | 2008-10-16 |
20080252320 | Apparatus for testing micro SD devices - Apparatus for testing micro SD devices each having a plurality of electrical leads is described. The apparatus utilizes industry standard JEDEC trays and tests all devices in such trays at the same time. The apparatus comprises a test hive comprising: a plurality of test circuits corresponding in number to at least a predetermined number of cells in the tray: and a plurality of groups of test contacts, each group is coupled to one of the test circuits and is oriented to engage the plurality of electrical contacts of a micro SD device disposed in a corresponding one of the cells. The test hive is operable to simultaneously, electrically test at least a predetermined number of the number of the micro SD devices in each tray engaged by the hive without removing the micro SD devices that did pass electrical testing until a tray of electrically tested micro SD devices is fully populated with micro SD devices that did pass electrical testing. | 2008-10-16 |
20080252321 | Apparatus for testing micro SD devices - Apparatus for testing micro SD devices each having a plurality of electrical leads is described. The and apparatus utilizes industry standard JEDEC trays and tests all devices in such trays at the same time. | 2008-10-16 |
20080252322 | Method for testing system-in-package devices - A method for testing System-In-Package (SIP) devices such as micro SD devices each having a plurality of electrical leads is described. The method utilizes industry standard JEDEC trays and tests all devices in such trays at the same time. | 2008-10-16 |
20080252323 | Method for testing micro SD devices - A method and apparatus for testing micro SD devices each having a plurality of electrical leads is described. The method and apparatus utilizes industry standard JEDEC trays and tests all devices in such trays at the same time. | 2008-10-16 |
20080252324 | Active thermal control unit for maintaining the set point temperature of a DUT - A thermal control unit (TCU) for maintaining the set point temperature of an IC device under test (DUT) has a thermoelectric module (a Peltier device), a fluid circulation block, a lower pedestal assembly containing a thermal sensor, and an upper cover housing arranged in a stacked relationship along the z-axis of the TCU. A z-axis compliant force is supplied from the TCU's cover housing by means of a spring-loaded pusher mechanism that supplies a compliant spring force to the stacked arrangement of the fluid block, peltier device, and pedestal assembly. The z-axis compliant force provided by the spring-loaded pusher mechanism produces efficient thermal contact between the peltier device and the stacked components of the TCU containing the peltier device and allows the peltier device to expand and contract within the TCU to extend the life of the peltier device. An alternative quick disconnect feature allows the electrical leads of the thermal sensor in the pedestal assembly to automatically make electrical connection with associated wiring in the cover housing when the cover housing is secured to the pedestal assembly. | 2008-10-16 |
20080252325 | Vertical probe array arranged to provide space transformation - Improved probing of closely spaced contact pads is provided by an array of vertical probes having all of the probe tips aligned along a single contact line, while the probe bases are arranged in an array having two or more rows parallel to the contact line. With this arrangement of probes, the probe base thickness can be made greater than the contact pad spacing along the contact line, thereby advantageously increasing the lateral stiffness of the probes. The probe tip thickness is less than the contact pad spacing, so probes suitable for practicing the invention have a wide base section and a narrow tip section. | 2008-10-16 |
20080252326 | Probe - A conductive plunger | 2008-10-16 |
20080252327 | SUBSTRATE TEST PROBING EQUIPMENT HAVING FORCING PART FOR TEST HEAD AND FORCE-RECEIVING PATTERN FOR PROBE CARD AND METHODS OF USING THE SAME - Substrate test probing equipment having a force-receiving pattern for a probe card and a forcing part for a test head, and methods of using the same, in which with the force-receiving pattern for the probe card and the forcing part for the test head, thermal expansion and contraction of the probe card can be suppressed when the semiconductor substrate is being tested at high and low temperatures. To this end, to substrate test probing equipment having a substrate mover, a probe card, and a test head is prepared, in which the test head has a forcing part and the probe card has a force-receiving plate. A semiconductor substrate is placed on the substrate mover to be electrically connected with the probe card. The semiconductor substrate is electrically tested by the probe card and the test head. When the semiconductor substrate is being tested, the forcing part of the test head is brought into contact with the force-receiving pattern of the probe card. | 2008-10-16 |
20080252328 | PROBE FOR TESTING SEMICONDUCTOR DEVICES - A novel probe design is presented that increases a probe tolerance to stress fractures. Specifically, what is disclosed are three features increase stress tolerance. These features include a various union angle interface edge shapes, pivot cutouts and buffers. | 2008-10-16 |
20080252329 | On-chip frequency degradation compensation - Embodiments of the invention include a trio of reliability oscillators. In one embodiment, an on-chip frequency compensation circuit includes a selectively enabled reliability oscillator to generate a reference oscillating signal, a clocked reliability oscillator to generate an AC degraded oscillating signal, and a static reliability oscillator to generate a DC bias degraded oscillating signal. A compare circuit coupled to the reliability oscillators compares the oscillating signals and generates a frequency compensation signal if the comparison determines that there is frequency degradation greater than a predetermined threshold. | 2008-10-16 |
20080252330 | METHOD AND APPARATUS FOR SINGULATED DIE TESTING - In accordance with one embodiment of the invention, a method of singulated die testing can be implemented. This can be implemented by obtaining a wafer and singulating the dies into individual die pieces. The singulated dies can be arranged in a separated testing arrangement and can even combine dies from multiple wafers as part of the combined arrangement. Then, testing can be implemented on the combined test arrangement. | 2008-10-16 |
20080252331 | DEVICE FOR DEFEATING REVERSE ENGINEERING OF INTEGRATED CIRCUITS BY OPTICAL MEANS - A method for an electronic device is provided for preventing reverse engineering by monitoring light emissions emitted from transistors and such electrically active devices in the electronic device. The method emits extraneous randomized light emissions in substantial close proximity to the transistors to hide a pattern of light emissions emitted from the transistors. As one feature, the device can include a source of randomized light emissions in substantial close proximity to the transistors to hide a pattern of the emitted light from the transistors in randomized light emissions emitted by the source. As a second feature, the device can emit the randomized light emissions by randomly delaying an electrical signal that is electrically coupled to the transistors and, in response to the randomly delayed electrical signal, the transistors randomly emitting light emissions thereby hiding a separate pattern of light emission emitted from the transistors. | 2008-10-16 |
20080252332 | SEMICONDUCTOR INTEGRATED CIRCUIT AND METHOD OF CONTROLLING THE SAME - A semiconductor integrated circuit includes an ODT signal generator that receives an ODT command signal, an ODT reset signal, and an ODT calibration end signal to generate an ODT control signal according to the phase of the ODT calibration end signal, and an ODT resistance adjusting unit that is to perform an on-die termination operation in response to the ODT control signal. | 2008-10-16 |
20080252333 | Resistor circuit, interface circuit including resistor circuit, and electronic instrument - A resistor circuit includes n-stage unit circuits, each of which includes a first resistor element provided between first and second terminals, a first disconnection element provided between the second and third terminals, and a second disconnection element and a second resistor element provided in series between the second and fourth terminals. The first terminal of each of the n-stage unit circuits is connected with a first interconnect, the fourth terminal of each of the n-stage unit circuits is connected with a second interconnect, the third terminal of the first-stage unit circuit is connected with a third interconnect, and the third terminal of the mth-stage unit circuit is connected with the second terminal of the (m−1)th-stage unit circuit. | 2008-10-16 |
20080252334 | ADDING OR SUBTRACTING INPUTS USING A CARRY SIGNAL WITH A FIXED VALUE OF LOGIC 0 - A configurable logic device configured to add or subtract inputs using a carry signal with a fixed value of 0 is described. In embodiment(s), inputs are received by a device. The device is configured to add or subtract the inputs using a carry signal that has a fixed value of logic 0. The device is further configured to provide an output that has a value of the sum or the difference of the received inputs. | 2008-10-16 |
20080252335 | ROBUST AND ECONOMIC SOLUTION FOR FPGA BITFILE UPGRADE - A system for FPGA (Field Programmable Gate Array) upgrade includes: an FPGA, a FLASH memory and a CPLD. The FLASH memory includes a first section configured to store a workable version of bit files for the FPGA and a second section configured to store a backup version of bit files for the FPGA. The CPLD is coupled to the FPGA and the FLASH memory. The CPLD is configured to download the bit files from the FLASH memory to the FPGA to provide the FPGA with functionality. As a result: the CPLD communicates with CPU to upgrade the bit files in the FLASH memory, and indicates to the CPU which version of bit files has been downloaded to the FPGA. | 2008-10-16 |
20080252336 | Non-Contacting Interrogation of System States - A device for non-contacting interrogation, without auxiliary power, of system states of a part that is rotatable relative to a fixed part comprises a coil on the rotatable part and a coil on the fixed part. The coils are mutually coupled, one being fed by a signal generator generating different frequencies, whilst the other coil is supplemented with at least one capacitance to form a resonance circuit. Further impedances can be added by means of switch elements to change a resonance frequency and form an interrogation circuit. By determining a resonance frequency on a signal generator side it is possible to draw conclusions about an impedance on an opposite side and to assign this to a switch element which is closed. | 2008-10-16 |
20080252337 | Receiver signal strength indicator - A system and method are provided for measuring the amplitude of a received signal. The method receives an analog input signal, and compares a peak value of the analog input signal to a threshold level. Threshold transition data is generated, and the threshold level is adjusted in response to the transition data. The above-mentioned processes of comparing, generating, and adjusting are reiterated until the threshold level is about equal to the analog input signal peak value. As a result, a measurement of the analog input signal peak value is supplied. In one aspect, threshold transition data is converted into a digital value. Then, the measurement of the analog input signal peak value uses the digital value to represent the analog input signal peak value. Further, the digital value is converted into an analog voltage as feedback, and the analog voltage is used as the threshold level. | 2008-10-16 |
20080252338 | Single Threshold and Single Conductivity Type Amplifier/Buffer - An amplifier/buffer composed from circuit elements of a single threshold and single conductivity type, comprising an input stage for receiving one or more inputs for buffering/amplification and providing an intermediate to control output of the amplifier/buffer. The intermediate signal is provided to a boosting circuit configured to boosts said signal when said signal has exceeded a predetermined value. The amplifier/buffer further has an output stage for receiving at least said signal and providing an amplified/buffered output. | 2008-10-16 |
20080252339 | METHOD AND APPARATUS FOR GENERATING SYNCHRONOUS CLOCK SIGNALS FROM A COMMON CLOCK SIGNAL - A method and system for generating multiple clock signals from a reference clock signal are provided. In one implementation, the system includes a reference clock to generate a reference clock signal having a first frequency, a first prescaler to receive the reference clock signal and generate a first output clock signal having a pre-determined frequency relative to the first frequency of the reference clock signal, and a second prescaler to receive the first output clock signal and generate a second output clock signal having a second pre-determined frequency relative to the first pre-determined frequency of the first output clock signal. The first output clock signal is substantially synchronous to the second output clock signal. | 2008-10-16 |
20080252340 | DELAY LOCKED LOOP (DLL) CIRCUITS HAVING AN EXPANDED OPERATION RANGE AND METHODS OF OPERATING THE SAME - Delay locked loop (DLL) circuits have a phase detector circuit that can detect a phase difference between an input clock signal and an output clock signal over a time period of 0T-2T. The delay applied to generate the output signal is adjusted based on the detected phase difference. A middle clock signal can be generated that has a phase that is between the input clock signal and the output clock signal. The phase detector circuit may be configured to detect the phase difference between the input clock signal and the output clock signal over the time period 0T-2T responsive to the middle clock signal. | 2008-10-16 |
20080252341 | CLOCK SIGNAL DISTRIBUTION CIRCUIT AND INTERFACE APPARATUS USING THE SAME - A clock signal distribution circuit comprises a voltage control and distribution circuit configured to change a delay of a received clock signal in response to a control voltage and to generate a distributed clock signal, and control voltage generation circuit configured to generate the control voltage using a phase difference between received data and the distributed clock signal. | 2008-10-16 |