02nd week of 2009 patent applcation highlights part 19 |
Patent application number | Title | Published |
20090009109 | METHOD FOR DRIVING ULTRASONIC MOTOR - A method for driving an ultrasonic motor having an actuator section includes: a step of starting the ultrasonic motor by applying an AC voltage with a first frequency to the actuator section; a voltage detection step of detecting a voltage generated at the actuator section while lowering a driving frequency from the first frequency to a second frequency at which the ultrasonic motor stops; a starting step of starting the ultrasonic motor with a third frequency; and a driving step of changing the driving frequency from the third frequency to a lower frequency such that the driving frequency has a value within an operation frequency range, wherein the operation frequency range is within a range on a higher frequency side than the driving frequency at which a maximum voltage is detected in the voltage detection step. | 2009-01-08 |
20090009110 | Motor control apparatus providing exercise resistance and auto-rewinding functions - A motor control apparatus providing an exercise resistance and an auto-rewinding function mainly employs a microprocessor to operate with a current detection feedback loop and a motor rotation speed detection loop for precisely controlling a quick random operation of a motor such that an axle of the motor can quickly control a loss braking unit and a power driving unit based on the existence of an external force, and the motor can automatically switch to an electric generator output mode (for providing an exercise resistance) or an electric machine output mode (for providing the automatic rewinding function). | 2009-01-08 |
20090009111 | Polyphase Rotating Machine Equipped with an Improved Control Device - A machine comprising a rotor, a stator ( | 2009-01-08 |
20090009112 | Drive Device for an Adjusting Device for Adjusting a Vehicle Part and Method for Operating a Drive Device - A drive device for an adjusting device for adjusting a vehicle component of a vehicle is provided. The drive device comprising an electronically commutated motor and an electronic control device which actuates the electronically commutated motor by means of an actuating voltage. The electronic control device has means, by means of which the signal form of the actuating voltage can be adapted on the basis of at least one operating parameter in order to optimize the power output, the acoustics, the electromagnetic irradiation and/or the heating of the drive device. | 2009-01-08 |
20090009113 | Digital control of motor drives - A digital controller for controlling variable speed and dynamic torque applications of an electric motor. The controller includes a state observer monitoring a torque load requirement and sending a signal based on the torque load requirement, and a digital control unit for receiving the signal from the state observer and sending an output to the electric motor. The output is a value that corresponds to a first motor operating state or a second motor operating state. | 2009-01-08 |
20090009114 | SYNCHRONOUS MACHINE - The invention relates to a synchronous machine provided with a stator and rotor, wherein the stator comprises stator teeth ( | 2009-01-08 |
20090009115 | Brushless Dc-Motor - According to the invention, a DC-motor ( | 2009-01-08 |
20090009116 | Energization timing determination circuit and determination method for energization timing of motor - An energization timing determination circuit corrects a shift contained in a position signal outputted from a position detecting means and supplies energization timing appropriate to drive a motor. A correction amount computation unit computes detection intervals obtained based on position signals outputted from filters, comparators, and a position detection unit during one cycle of electrical angle. The correction amount computation unit thereby determines the duty shift length α and phase shift length β of the position signals. A control circuit corrects energization timing based on the position signals according to the detected shift lengths. | 2009-01-08 |
20090009117 | Brushless Motor Control Apparatus and Control Method and Motor System - A brushless motor control apparatus includes a mask processing unit to which digital induced voltage signal is input, a energizing current timing generation processing unit, a pulse width detection unit, and an advance angle correction unit for performing advance angle correction. The pulse width detection unit measures pulse width of spike voltage, and the advance angle correction unit calculates the correction to the advance angle according to the length of this pulse width. The energizing current timing generation processing unit takes half the value obtained after subtracting the correction value from the edge interval of the position detection signal generated in the mask processing unit as the advance angle. | 2009-01-08 |
20090009118 | DRIVE CONTROL CIRCUIT FOR ELECTRIC MOTOR - The drive control circuit for an electric motor is provided. The drive control circuit includes: an original drive signal generator that generates an original drive signal; an excitation interval setter that is able, for each half cycle of respective length π in each 2π excitation cycle of the original drive signal, to arbitrarily set excitation intervals during which to excite coils of the electric motor to any one of a plurality of intervals which include at least either one of a symmetrical interval centered on a center of each half-cycle and an unsymmetrical interval; and a drive signal shaping circuit that generates a drive signal for driving the electric motor, by validating the original drive signal during the excitation intervals and invalidating the original drive signal during non-excitation intervals other than the excitation interval. | 2009-01-08 |
20090009119 | POWER CONVERTING DEVICE FOR ELECTRIC TRAIN - A power converting device for an electric train includes a power converter, an alternating-current motor, a primary control unit, and a control unit. The power converter converts direct-current power into alternating-current power. The alternating-current motor is driven by the alternating-current power output from the power converter. The primary control unit outputs a power-running notch command that determines an acceleration speed for the electric train. The control unit controls an amount of the alternating-current power based on the power-running notch command. The control unit sets the amount of the alternating-current power to zero without a delay after receiving an OFF signal of the power-running notch command during power running. | 2009-01-08 |
20090009120 | SIGNAL INPUT METHOD AND OPENING/CLOSING CONTROLLER - It is intended to realize a signal input method which makes it possible to add another method to an existing method later in a simple manner as well as an opening/closing controller which employs two methods and can be constructed by adding another method to an existing method in a simple manner. | 2009-01-08 |
20090009121 | Method for Measuring a Motor Current - The invention relates to a method for measuring a current that flows through a motor, in which a power switch that supplies the motor with electric energy is controlled by a control unit via a pulse width-modulation signal. The pulse width-modulation signal comprises a cycle of operation and the motor current is determined in a feeder to the power switch or a feeder to the motor. Since exactly one measured value representing the motor current is sampled in each cycle of operation, this permits the provision of a method for measuring the motor current, which determines the motor current in a more rapid, more cost-effective manner than in prior art. The method is used for the motor control of direct current motors. | 2009-01-08 |
20090009122 | FAN MOTOR SPEED CONTROL CIRCUIT, FAN APPARATUS, AND ELECTRONIC APPARATUS - A fan motor speed control circuit includes: a driving circuit configured to drive a fan motor so as to run at a rotation speed corresponding to a drive signal; a comparison circuit configured to output a comparison signal for matching a rotation speed of the fan motor with a target rotation speed, based on a reference signal corresponding to the target rotation speed of the fan motor and a speed signal corresponding to the rotation speed of the fan motor; and a selection circuit configured to output to the driving circuit the drive signal corresponding to one signal out of the reference signal and the comparison signal, the one signal being a signal by which the fan motor is driven at a higher rotation speed. | 2009-01-08 |
20090009123 | STATICALLY STABLE BIPED ROBOTIC MECHANISM AND METHOD OF ACTUATING - A robotic mechanism comprising a chassis having a first side and an opposite second side, a first leg member rotatably coupled to the chassis proximate the first side and a second leg member rotatably coupled to the chassis proximate the second side. The first leg member and the second leg member being of generally spiral shape. The first leg member and the second leg member rotating generally about a common axis. The chassis having a center of mass lying below the common axis. | 2009-01-08 |
20090009124 | Legged Robot - A legged robot that can ensure a large step length while keeping the height of a body trunk at a low position without increasing a moment that is generated due to the gravitational force acting on the trunk and acting on roll joints of legs when standing on one leg is realized. In the legged robot, a pair of legs is connected so as to be able to rotate around a pitch axis (Y-axis) at lateral surfaces of a trunk. Thereby, it is possible to make the height H | 2009-01-08 |
20090009125 | ROBOT SYSTEM - The present invention provides a safe robot system adapted to always and clearly indicate a worker whether an emergency stop operation can be performed by an emergency stop operation section in an unwired portable teaching operation section, thereby to prevent occurrence of a misconception. | 2009-01-08 |
20090009126 | NUMERICAL CONTROLLER CONTROLLING ACCELERATION AND DECELERATION OF RESPECTIVE CONTROL AXES UP TO COMMAND SPEEDS - Initial speeds in the move commands for respective control axes at servo-on are determined according to parameter setting, or the comparative relationship or difference in speed among the actual speeds of the control axes so that difference in position between the control axes does not increase as the move commands are executed after the servo-on. The actual speeds of the control axes are set as initial speeds in the move commands, and a target axis is specified on the basis of the comparative relationship among their actual speeds and the other control axes are accelerated or decelerated at the acceleration or deceleration rate specified in the move commands to attain the position and speed of the target axis, so that differences in position and speed among the control axes are gradually decreased as the move commands are executed after the servo-on, thereby preventing abrupt speed changes and suppressing mechanical shocks. | 2009-01-08 |
20090009127 | MOTOR CONTROL DEVICE AND ELECTRIC POWER STEERING DEVICE USING THE SAME - A motor driving control device includes a current instruction value computing section | 2009-01-08 |
20090009128 | CONTROL APPARATUS - A control apparatus of the present invention comprising a control unit outputting a control signal controlling a servo motor and suppressing natural vibration of a controlled object including a motor and a machine driven by the motor while controlling the controlled object, comprising a frequency analysis unit analyzing a frequency component included in a torque command, an analysis control unit controlling the start or stopping of the frequency analysis unit, a detection unit detecting a natural frequency of the controlled object from an analysis result of the frequency analysis unit, a-band rejection filter receiving as input the torque command, stripping the command of the natural frequency component, and outputting the resultant command to the motor through a current control unit and servo amplifier, and a filter characteristic setting unit setting the frequency to be stripped at the filter based on the natural frequency detected by the detection unit. | 2009-01-08 |
20090009129 | Active damping for synchronous generator torsional oscillations - A generator control unit (GCU) provides active damping of a synchronous generator by monitoring the speed of the synchronous generator and detecting oscillations in the monitored speed. The oscillations are indicative of torsional oscillations within the mechanical drivetrain including the synchronous generator or generators. In response to detected oscillations in the monitored speed, the GCU generates a varying set-point value that is used to control the excitation voltage provided to the synchronous generator. Varying the excitation voltage provided to the synchronous generator causes a variation in synchronous generator torque. By selectively varying the torque in the synchronous generator, the GCU provides active damping in the synchronous generator that decreases or dampens the torsional oscillations. | 2009-01-08 |
20090009130 | Apparatus and Method for Charging an Accumulator - An apparatus for charging an accumulator ( | 2009-01-08 |
20090009131 | Method and Apparatus for Charging Electric Devices - Disclosed is a method and apparatus for charging electrically powered devices. In accordance with the invention, the device is powered by two storage devices. One storage device is capable of receiving a substantial charge very rapidly while the other storage device requires a longer time to receive a charge. The advantage is that the powered device can be used almost instantly and continually while at the same time rebuilding electrical charge. | 2009-01-08 |
20090009132 | Method of powering appliances and apparatus therefor - An apparatus for powering appliances includes: | 2009-01-08 |
20090009133 | Battery state monitoring circuit and battery apparatus - Provided is a battery state monitoring circuit which is capable of preventing a discharge leak current from a battery so as to eliminate a load conventionally imposed on a user, including: a battery state detector circuit that detects a state of the battery based on a voltage of the battery; a transmitting terminal that transmits battery state information indicative of the state of the battery to an outside; a receiving terminal that receives battery state information of another battery from the outside; a transistor that is used for transmitting the battery state information, and has any one of two terminals except for a control terminal connected to the transmitting terminal; and a diode that is connected in a direction opposite to a direction of a parasitic diode disposed between the two terminals of the transistor, the diode being disposed between the transmitting terminal and one terminal of the transistor. | 2009-01-08 |
20090009134 | METHOD AND DEVICE FOR MEASURING INTERNAL RESISTANCE OF BATTERY - A device for measuring an internal resistance of a battery includes a charging unit, a switch, a measuring unit, and a calculating unit. The charging unit is used for respectively charging the battery through a first resistor (R | 2009-01-08 |
20090009135 | CHARGE PROTECTION CIRCUIT WITH TIMING FUNCTION - A charge protection circuit with a timing function is disclosed. The circuit includes a charge protection module constituting of a second switch, a second capacitor and a control integrated circuit (IC). The second switch Q | 2009-01-08 |
20090009136 | RECHARGEABLE BATTERY WITH INTERNAL DISCHARGER - To shift a rechargeable battery into a lower load state that is ideal with regard to storage and aging, it is proposed that a Zener diode connected in series with a resistor and a switch. The rechargeable battery voltage, which corresponds to the predetermined, lower load state, is selected as the breakdown voltage of the Zener diode. On being started manually, the rechargeable battery is shifted to a lower load state, if the current load state is higher than the predetermined, lower load state. A digital version by means of a manually switched-on digital circuit is also proposed. | 2009-01-08 |
20090009137 | Apparatus and method to integrate the power management IC with the system IC - Apparatus and method to integrate a digital pulse width modulation controller, a digital battery charger controller, and other power management functions in a digital system integrated circuit to increase the design flexibility, manufacture simplicity, improve efficiency, and reduce the complexity and cost of the system design is disclosed. The digital controller and power management circuit can be designed and stored in program code to be implemented when the system is designed. The power management devices and the system can share resources including ADCs, memory, computing function and communication function. | 2009-01-08 |
20090009138 | OVER-VOLTAGE PROTECTED BATTERY CHARGER WITH BYPASS - A battery charger comprises charging circuitry for providing a battery charging voltage responsive to an input voltage. First circuitry provides both over-voltage protection and an input voltage bypass signal responsive to the input voltage. The first circuitry includes a low impedance switch having a resistance of at least 500 mΩ for connecting the input voltage to an output voltage node. The first circuit also includes a higher impedance switch having a resistance of at least 1000 mΩ for providing the input voltage as a voltage bypass signal. | 2009-01-08 |
20090009139 | ACCUMULATOR WITH AN ADAPTABLE CHARGE SHUTOFF VOLTAGE - An accumulator with a rechargeable battery for operating an electrical device, in particular an electrical power tool, has an electronic voltage circuit. The voltage circuit has at least one electronic component, in particular a diode, which generates a defined voltage drop. The charge shutoff voltage is thus adjusted. | 2009-01-08 |
20090009140 | APPARATUS AND METHOD OF RECHARGING A BATTERY USING A USB DEVICE IN A PORTABLE DEVICE - An apparatus and a method of recharging a battery of a portable device using a USB are provided. In the method, a recharge unit of the portable device detects a voltage of the battery, and recharges the battery with a maximum recharge current of the USB. An amount of time for recharging a battery is shortened and power consumption for the recharging of the battery is reduced. | 2009-01-08 |
20090009141 | System and method for battery charging - A charging circuit includes a pulse generator and a controller coupled to the pulse generator. The pulse generator is used to generate a plurality of pulses to control a charging switch. The controller is used to control a pulse density of the plurality of pulses. A charging current flowing through the charging switch can be adjusted according to the pulse density. | 2009-01-08 |
20090009142 | CHARGING DEVICE - A charging device which is capable of preventing charging current from flowing even if a battery pack remains mounted thereon after charging of the battery pack is completed, thereby preventing deterioration of batteries of the battery pack. A circuit including a semiconductor switch generates a DC power for charging the battery pack. A backflow prevention diode is connected between the semiconductor switch and the battery pack. When charging of the battery pack has been completed, a secondary charge control circuit causes a DC voltage input to the backflow prevention diode to be made lower than the voltage of the battery pack. | 2009-01-08 |
20090009143 | OVERVOLTAGE PROTECTION - An overvoltage protection system capable of maintaining a high setting voltage of a battery charger while guaranteeing that cell voltage does not exceed a value limited by a threshold value. In one preferred embodiment, a battery set is a plurality of series-connected battery cells. A protection voltage measurement portion measures a cell voltage of each battery cell. A computation portion calculates an open circuit voltage of the battery set outputs a calculated voltage as a measurement voltage. An overvoltage setting portion stops charging of battery set when the value of the cell voltage of any one of the battery cells reaches a threshold value. A diagnostic voltage measurement portion measures an open circuit voltage of battery set to output measured voltage as a diagnostic voltage. A comparing circuit stops charging of the battery set based on comparison results of value of the measurement voltage and value of diagnostic voltage. | 2009-01-08 |
20090009144 | Discharge Device - A discharging device capable of realizing a proper PWM drive by accurately reflecting, as a strobe device, the secondary-side condition of a separately-excited strobe charging circuit being charged. A charging device which charges a main capacitor ( | 2009-01-08 |
20090009145 | CHARGING APPARATUS - A charging apparatus suppresses rise in temperature of an internal chip of a charging element. The output signal obtained from a current detecting portion for detecting charging current to a capacitor and from a voltage detecting portion for detecting a difference between a voltage (VC) of capacitor and a voltage corresponding to DC power supply is integrated by integrator. The charging is carried out by controlling power of a charging element to a predetermined value using an output signal of the integrator and at a time near the completion of the charging, the charging element is controlled by constant-voltage-control-circuit so as to charge the capacitor up to a predetermined voltage. Consequently, the maximum temperature inside the charging element is reduced, thereby providing a charging apparatus with high reliability. | 2009-01-08 |
20090009146 | Generating system with a regulated permanent magnet machine - An electromechanical power transfer system that transfers power between a prime mover and a direct current (DC) electrical power system, comprises: a permanent magnet machine (PMM) that has a permanent magnet (PM) rotor coupled to the prime mover, a stator with a multiphase alternating current (AC) winding coupled to an AC bus and a control coil with a winding that has a configuration to generate a magnetic field with flux that varies the reactance of the stator winding with the application of control coil current; a position sensing system for generating a rotor position signal that is representative of the angular position of the PM rotor; a control coil current sensor for generating a control coil current signal that is representative of the level of electrical current in the control coil; an electrical potential sensor for generating a DC bus potential signal that is representative of the level of DC potential on the DC bus; an electrical current sensor for generating a DC bus current signal that is representative of the level of DC current that the active rectifier supplies to the electrical load by way of the DC bus; an output power estimator that compares the DC bus potential signal with the DC bus current signal to generate an output power signal; a differentiator that receives the output power signal to generate a respective rate of output power signal; a summer that adds the rate of output power signal with the DC bus potential signal to generate a DC potential feedback signal; and a selectable main active/passive rectifier system for converting multiphase AC power developed by the stator to DC power supplied to the electrical load by way of a DC bus; a control coil current regulator system to regulate the control coil current; wherein the control coil current regulator system generates a level of the control coil current that regulates current in the stator to a desired level in response to a control coil current feedback loop that comprises the control coil current signal and a DC bus potential feedback loop that comprises the DC potential feedback signal and in a generating mode the main active rectifier system maintains a constant potential on the DC bus regardless of sudden changes in electrical load on the DC bus in response to the DC bus potential feedback loop and the rotor position feedback loop; and wherein both the control coil current regulator system and the main active rectifier system switch from an active regulating mode to a protection non-regulating mode upon detection of a fault in the DC bus. | 2009-01-08 |
20090009147 | LOW DROP-OUT VOLTAGE REGULATOR WITH HIGH-PERFORMANCE LINEAR AND LOAD REGULATION - A low drop-out voltage regulator with high-performance linear and load regulation, comprising: a reference voltage circuit, capable of providing a reference voltage; a differential amplifier; a power device, capable of driving a load resistor; a feedback circuit, disposed between the differential amplifier and the power device so that the differential amplifier outputs a correction voltage after the reference voltage and a feedback voltage across the feedback circuit; and a voltage buffer for frequency compensation, disposed between the differential amplifier and the power device, the voltage buffer comprising a complementary type buffer. | 2009-01-08 |
20090009148 | STEADY STATE FREQUENCY CONTROL OF VARIABLE FREQUENCY SWITCHING REGULATORS - A steady state frequency control circuit for a variable frequency regulator including an open loop frequency control circuit, a frequency detector and a comparator circuit. The variable frequency regulator provides a clock signal indicating actual operating frequency and has a frequency control parameter for adjusting steady state operating frequency. The frequency detector receives the clock signal and provides a frequency sense signal which is compared with a steady state frequency reference signal to provide a frequency adjust signal. The frequency control parameter is adjusted by the frequency adjust signal to control steady state frequency. A method of controlling steady state frequency of a variable frequency regulator includes using open loop frequency control, determining the operating frequency and providing a frequency sense signal, comparing the frequency sense signal with frequency reference signal and providing a frequency adjust signal, and adjusting the frequency control parameter based on the frequency adjust signal. | 2009-01-08 |
20090009149 | SYSTEM AND METHOD FOR LIMITING INPUT VOLTAGE TO A POWER DELIVERY SYSTEM HAVING REGENERATION CAPABILITY - A system and method for limiting input voltage to a power delivery system having regeneration capability. According to various embodiments, the system includes a regulator having a multiple input variables and at least one output variable; and an accumulator in communication with the regulator wherein the accumulator presets the output of the regulator to facilitate a quick output as well as accumulates error values related to the multiple input variables and facilitates a change by the regulator to the at least one output variable based upon the accumulated values. | 2009-01-08 |
20090009150 | REFERENCE VOLTAGE GENERATOR WITH BOOTSTRAPPING EFFECT - An integrated electronic device for generating a reference voltage. The circuitry has a bias current generator for generating a first bias current, a diode element coupled to the bias current generator and fed by a second bias current derived from the first bias current for converting the second bias current into a reference voltage across the diode element, a supply voltage pre-regulator stage for regulating the supply voltage used for the bias current generator, and an output buffer coupled to the reference voltage for providing a low impedance output, wherein the reference voltage is coupled to the supply pre-regulator stage for biasing the supply pre-regulator stage by the reference voltage. | 2009-01-08 |
20090009151 | REFERENCE VOLTAGE GENERATOR WITH BOOTSTRAPPING EFFECT - An integrated electronic device for generating a reference voltage. The circuitry has a bias current generator for generating a first bias current, a diode element coupled to the bias current generator and fed by a second bias current derived from the first bias current for converting the second bias current into a reference voltage across the diode element, a supply voltage pre-regulator stage for regulating the supply voltage used for the bias current generator, and an output buffer coupled to the reference voltage for providing a low impedance output, wherein the reference voltage is coupled to the supply pre-regulator stage for biasing the supply pre-regulator stage by the reference voltage. | 2009-01-08 |
20090009152 | BIAS SUPPLY, START-UP CIRCUIT, AND START-UP METHOD FOR BIAS CIRCUIT - A bias supply, a start-up circuit, and a start-up method for a bias circuit are provided. The bias supply includes the bias circuit, a first switch, a second switch, and a charge storage unit. The first switch is coupled between a first voltage and a node. The first switch determines whether or not to be turned on according to a feedback voltage from the bias circuit. The charge storage unit is coupled between the node and a second voltage. The second switch determines whether or not to output a start-up voltage to the bias circuit according to the voltage of the node. In other words, the present invention utilizes charge/discharge properties of the charge storage unit and the feedback voltage from the bias circuit for controlling whether the second switch outputs a start-up voltage to the bias circuit or not. Therefore, the power consumption of the start-up circuit is decreased. | 2009-01-08 |
20090009153 | MULTIPLE OUTPUT AC/DC POWER ADAPTER - A multiple output AC/DC power adapter is provided. The adapter includes an adapter body with an output connector and more than one output plugs configured for connecting with the output connector. The adapter body includes a DC-DC converting circuit having an input terminal, an output terminal, a first adjustment terminal. The output connector includes a positive terminal, a second adjustment terminal and a negative terminal configured for connecting to the output terminal and the first adjustment terminal of the DC-DC converting circuit and ground correspondingly. The output plugs each includes an adjustment resistor having a resistance value different from the other output plugs. Therefore, when equipped with a plurality of output plugs each of the plurality of plugs having different resistor R | 2009-01-08 |
20090009154 | WIDE-BAND ANTENNA COUPLED SPECTROMETER USING CMOS TRANSISTOR - To create a broad band spectrometer, a plurality of individual antenna based bolometers are fabricated on the surface of a single spectrometer chip, each bolometer having an individual antenna which is sized differently from all others, thus being responsive to a generally unique frequency of radiation. Each antenna is coupled to a related transistor, which is easily formed using CMOS technology. The antennas are connected to opposite sides of a transistor gate, thus creating a termination resistor for the particular antenna. Multiple outputs from the various antennas are then coupled, thus providing responsiveness to electromagnetic radiation of a very broad spectrum. | 2009-01-08 |
20090009155 | Discrete Time Direct Sampling Circuit and Receiver - A direct sampling circuit and a receiver which carry out discrete time analog processing with a high degree of design freedom and are provided with a filter property which is achievable to comply with the receipt of a broad band signal. A plurality of discrete time analog processing circuits ( | 2009-01-08 |
20090009156 | Magnetic Sensor Device With Reference Unit - The invention relates to a magnetic sensor device comprising excitation wires ( | 2009-01-08 |
20090009157 | SYSTEM AND METHOD FOR MEASURING ENERGY IN MAGNETIC INTERACTIONS - An apparatus and method is provided for measuring magnetic force response time due to the magnetic viscosity of materials and for measuring total energy exchanged due to relative motion of magnetic materials. Voltage and current versus time through an electromagnet is measured and recorded. Corresponding force versus time is measured for magnetic forces applied to a material under test in response to energizing the electromagnet to determine effects of magnetic viscosity of the material under test. A test system is also provided for measuring energy exchanged due to the relative motion of magnetic materials. Absolute values of transferred mechanical energy and electrical energy are combined to determine the total energy exchanged by interaction of a permanent magnet and an electromagnet. | 2009-01-08 |
20090009158 | SELF-ENERGIZING SENSING DEVICE FOR DETECTING MOVING FERROUS ELEMENTS AND ASSEMBLIES THEREWITH - A self-energizing, non-contacting sensing device for detecting movement of ferrous elements, methods of use and assemblies therewith. The device includes a permanent magnet, a pair of ferrous conductors, an inductor coil and a microprocessor. The ferrous conductors are attached to the permanent magnet with free ends of the ferrous conductors being spaced from one another to provide a gap. The gap provides an open circuit in the absence of the moving ferrous elements and a substantially closed circuit in the presence of the moving ferrous elements. When the circuit alters between open and closed states, in the absence and presence of the moving ferrous elements, respectively, an electromotive force imparted on the inductor coil generates an alternating current. The microprocessor is configured to detect the alternating current produced in the inductor coil, and thus, can assess whether the ferrous elements are moving in a normal or abnormal manner. | 2009-01-08 |
20090009159 | Robust solution for mitigating eccentricity in a rotary sensor apparatus - A robust solution for eccentricity issues in 360 degree rotary sensor application utilizing a hollow cylindrical magnet. A hollow cylindrical magnet design can be implemented to drive a parallel field magnetic sensor based oh Hall/AMR technologies. Eccentricity variations of ±0.46 mm on X and Y axes can be reduced by at least 20%, in turn improving the repeatability, linearity error and a correlation error associated with the sensor. For tilts of ±3 degrees, the error can be reduced to at least 50% compared to a solid magnet, thereby increasing the repeatability and accuracy of the rotary sensor. The disclosed design improves linearity, is robust in vibration and improves reliability in lifecycle as the sensor configuration is less affected by wear and tear due to mechanical vibrations. | 2009-01-08 |
20090009160 | Magnetic Sensor with High and Low Resolution Tracks - A sensing apparatus that includes first and second magnet assemblies. The first magnet assembly includes first and second magnets that have respective first and second opposite magnetic fields, and respective first and second dimensions. The first dimension is relatively smaller than the second dimension. The second magnet assembly is positioned at a distance from the first magnet assembly. The second magnet assembly includes a third magnet that has a third magnetic field which is opposite to the first magnetic field. | 2009-01-08 |
20090009161 | Cylindrical Cover-attached encoder apparatus - A cylindrical cover-attached encoder apparatus, including a magnetic metal-based body having a cylindrical shape, a magnetic rubber-based encoder having a cylindrical shape and formed around the outer peripheral surface of said magnetic metal-based cylindrical body, and a nonmagnetic material-based cover having a cylindrical shape and adapted to be mounted on said magnetic rubber-based encoder for covering the outer peripheral surface of the cylindrical portion of said magnetic rubber-based encoder. | 2009-01-08 |
20090009162 | EDDY CURRENT FLAW DETECTION PROBE - Disclosed is an eddy current flaw detection probe that is capable of pressing itself against an inspection target whose curvature varies. A flaw sensor is configured by fastening a plurality of coils to a flexible substrate that faces the surface of the inspection target. A first elastic body is positioned opposite the inspection target for the flaw sensor, is obtained by stacking two or more elastic plates, and has an elastic coefficient that varies in a longitudinal direction. A second elastic body is a porous body positioned between the flexible substrate and the first elastic body. A pressure section is employed to press the first elastic body toward the inspection target. | 2009-01-08 |
20090009163 | MAGNETIC SENSING DEVICE AND ELECTRONIC COMPASS USING THE SAME - Positive and negative bias magnetic fields are applied to a sensor unit | 2009-01-08 |
20090009164 | MAGNETO-SENSITIVE INTEGRATED CIRCUIT - A magneto-sensitive integrated circuit which amplifies a magneto-sensitive output voltage of a Hall element by an amplifier to generate an amplified voltage, converts an output voltage of the amplifier into a digital signal by an A/D converter; and generates a reference voltage of magnitude corresponding to an indicated value. The amplifier includes voltage superposition means which superposes a DC voltage corresponding to the reference voltage on the amplified voltage to generate the output voltage of the amplifier. | 2009-01-08 |
20090009165 | QUANTUM INFORMATION PROCESSING DEVICE AND METHOD - Quantum information processing device includes resonator incorporating material containing physical systems, each of physical systems having at least four energy states, transition between two energy states of at least four energy states, and transition energy between at least two energy states of at least four energy states, at least four energy states being non-degenerate when magnetic field fails to be applied to physical systems, transition resonating in resonator mode that is in common between physical systems, each of at least four energy states representing a quantum bit, transition energy being shifted when magnetic field is applied to physical systems, and magnetic-field application unit configured to apply magnetic field having direction and intensity to material, to eliminate linear transition energy shift between two energy states included in physical systems, each of two energy states included in physical systems being with excluding two energy states resonating in resonator mode. | 2009-01-08 |
20090009166 | METHOD OF USING G-MATRIX FOURIER TRANSFORMATION NUCLEAR MAGNETIC RESONANCE (GFT NMR) SPECTROSCOPY FOR RAPID CHEMICAL SHIFT ASSIGNMENT AND SECONDARY STRUCTURE DETERMINATION OF PROTEINS - The present invention presents a new approach to rapidly obtaining precise high-dimensional NMR spectral information, named “GFT NMR spectroscopy”, which is based on the phase sensitive joint sampling of the indirect dimensions spanning a subspace of a conventional NMR experiment. The phase-sensitive joint sampling of several indirect dimensions of a high-dimensional NMR experiment leads to largely reduced minimum measurement times when compared to FT NMR. This allows one to avoid the “sampling limited” data collection regime. Concomitantly, the analysis of the resulting chemical shift multiplets, which are edited by the G-matrix transformation, yields increased precision for the measurement of the chemical shifts. Additionally, methods of conducting specific GFT NMR experiments as well as methods of conducting a combination of GFT NMR experiments for rapidly obtaining precise chemical shift assignment and determining the structure of proteins or other molecules are disclosed. | 2009-01-08 |
20090009167 | Magnetic Resonance Spectroscopic Imaging with Short Echo Times - Radio frequency (rf) pulses are applied to a sample to produce magnetic resonance (MR) echo signals from the sample at multiple different echo times. Magnetic field gradients are applied to the sample to select for acquisition components of each MR echo signal. The selected components correspond to groups of radial projections in k-space. Each group is associated with one of the echo times. Each group defines a different set of projection angles in the k-space, and the groups are interleaved to reduce streak artifacts in spectroscopic images associated with a resonance frequency. Images of the sample are generated based on acquired MR signals. In some implementations, an echo time of eight microseconds or less is included in the multiple different echo times. | 2009-01-08 |
20090009168 | System and method for minimizing MRI-imaging artifacts - Methods of, and systems for, simultaneously compensating for external-magnetic-field inhomogeneity as well as radiofrequency magnetic-field inhomogeneity in an MRI system. In one method embodiment, a pulse sequence is applied when the transmitter-reference frequency is delivered on resonance. The pulse sequence includes radiofrequency pulses which may be applied at arbitrary-excitation-flip angles that are not necessarily 90° degrees. The pulse sequence also includes spin-locking pulses applied in concert with a refocusing-composite pulse. In another method embodiment, a pulse sequence is applied when the transmitter-reference frequency is delivered off resonance. This off-resonance-pulse sequence includes radiofrequency pulses which may be applied at arbitrary-excitation-flip angles that are not necessarily 90° degrees. Sandwiched between the excitation-flip angles are at least two off-resonance-spin-lock pulses applied at an inverse phase and frequency from each other. | 2009-01-08 |
20090009169 | Low Local Sar Birdcage Radio Frequency Coil - A radio frequency coil ( | 2009-01-08 |
20090009170 | HIGH-MAGNETIC FIELD MRI SYSTEM WITHIN A HOUSING AND A METHOD OF OPERATING AN MRI SYSTEM WITHIN A HOUSING - An MRI system is housed within a housing that is provided with a set of deployable barriers that are attachable to the housing. The magnet in the MRI system may be operated at a first magnetic field intensity, such that the magnetic field outside of the housing remains below a safety limit when the barriers are not deployed. The magnet in the MRI system may be operated at a second magnetic field intensity, higher than the first, when the barriers are deployed, such that the magnetic field outside of the barriers remains below the safety limit. | 2009-01-08 |
20090009171 | Shim support guide JIG for magnetic field generation apparatus, magnetic field generation apparatus and magnetic resonance imaging equipment each including shim support in which magnetic material shims are arranged and adjusted by employing shim support guide JIG, and magnetic field adjustment method for magnetic field generation apparatus, as well as magnetic field adjustment method for magnetic resonance imaging equipment - A shim support guide jig includes a shim support guide pipe in which a guide passage for guiding the movement of a shim support is formed. In a state where a superconducting magnet has generated a static magnetic field, the designated shim support can be drawn out from the internal space of the superconducting magnet through the guide passage, and the designated shim support for which magnetic material shims have been arranged and adjusted can be inserted into the internal space through the guide passage. A magnetic field generation apparatus has the magnetic material shims arranged and adjusted using the shim support guide jig, and a magnetic resonance imaging equipment employs the magnetic field generation apparatus. Magnetic field adjustment methods for the magnetic field generation apparatus and for the magnetic resonance imaging equipment are performed using the shim support guide jig. | 2009-01-08 |
20090009172 | MAGNETIC RESONANCE APPARATUS PATIENT SUPPORT - An arrangement for supporting a patient in a magnetic resonance apparatus includes a platform that accommodates the patient for a magnetic resonance examination to be conducted, local coils for the magnetic resonance examination and fastening belts, with the fastening belts being fashioned to affix the local coils on the patient and the local coils are at least partially integrated into the respective fastening belts. | 2009-01-08 |
20090009173 | PORTABLE WIRELESS METAL DETECTOR - The subject of invention is a portable electromagnetic metal detector, of the type comprising a detection head placed at the end of a support stick, the detection head includes a transmitting coil and a receiving coil. The metal detector has, an electronic command and control box making it possible to implement the detection head. An operator headset is provided for allowing the detector to transmit an audio detection signal to the operator. According to the invention, the detection head comprises all the means for generating a transmission signal and for analysing the signal received. The detection head, the electronic box and the operator headset furthermore comprise radio transmission means for establishing a multipoint wireless communication network between these three elements. This communication network advantageously makes it possible to provide a detector that does not comprise any wired links and to implement the detector according to the invention in various configurations. | 2009-01-08 |
20090009174 | Borehole Conductivity Simulator Verification and Transverse Coil Balancing - Calibration of the arrays of a multicomponent induction logging tool is achieved by positioning the tool horizontally above ground. The upper and lower housings of the tool are connected by a borehole conductivity simulator which as a resistance comparable to that of a borehole. Axial and radial positioning of the transmitter coils is done by monitoring outputs at receiver coils to achieve a minimum. | 2009-01-08 |
20090009175 | CURRENT-MEASURING CLAMP ON SENSOR IN ELECTROMECHANICAL RELAYS - This invention relates to the system that detects the origin of relay or relays where failures are seen in electromechanical relays, and ensuring the repair of failure at the shortest time. System developed by this invention consists of a clamp on sensor handle, clamp on sensor ground, mumetal, magnetic area measuring sensor, clamp on sensor cable and socket. Signals sent to the recorder through the system are measured in ampere and this information is transferred to the computer. | 2009-01-08 |
20090009176 | ELECTRONIC DEVICE, BATTERY PACK, AND ELECTRONIC DEVICE SYSTEM - An electronic device which is capable of performing high-accuracy remaining battery capacity management. The electronic device has a plurality of battery pack compartments assigned specific addresses, respectively. A remaining capacity-detecting unit detects the remaining battery capacity of a battery pack mounted in a battery pack compartment. A control microcomputer receives information indicative of a remaining battery capacity sent from a battery pack accommodated in one of the battery pack compartments and address information on the battery pack compartment, and sends correction information concerning the remaining battery capacity to the battery pack. | 2009-01-08 |
20090009177 | Voltage monitoring method and circuit for electrical energy storage device - Disclosed herein is a voltage monitoring method and circuit for an electrical energy storage device. The voltage monitoring method includes detecting the voltages of one or more unit cells constituting the electrical energy storage device; generating logical signals depending on the respective levels of the detected voltages; and generating a detection signal indicating whether the unit cells are abnormal in response to the logical signals. | 2009-01-08 |
20090009178 | ABNORMAL CONDITION DETECTION APPARATUS - A plurality of result signals are driven low when abnormal condition is detected and driven high when no abnormal condition is detected. Presence and absence of the abnormal conditions of different types are indicated in a predetermined sequence by high and low signal levels of the result signals. The voltage detecting circuits simultaneously output the result signals on corresponding branching lines connected to a main line of a communication line. An OR gate outputs a result signal on which the result signals output by the voltage detecting circuits are superimposed. When at least one of the result signals of the voltage detecting circuits is at a level indicative of the presence of the abnormal condition, the OR gate outputs on the main line the result signal having the level indicative of the abnormal condition. | 2009-01-08 |
20090009179 | APPARATUS AND METHOD FOR VERIFYING A SEAL BETWEEN MUTIPLE CHAMBERS - An open seal check system for a multi-chamber supply container having at least one elongated seal, the system includes: (i) a base configured to support the multi chamber container; (ii) a plurality of electrodes positioned on the base so as to be at least substantially parallel with the elongated seal; and (iii) electronics connected to the electrodes, the electrodes each forming a capacitor with the multi-chamber supply container when the container is placed on the base, the electronics configured to output a single indication of a dielectric associated with each capacitor. | 2009-01-08 |
20090009180 | DIRECTIONAL FAULT CURRENT INDICATOR - A method for identifying a fault condition associated with a power line conductor of an electrical power distribution network. The method comprises determining a load current carried by the conductor is above a minimum load current, determining a learned phase angle relationship between the load current and a source signal, determining a load current magnitude, determining a real-time phase angle relationship between the load current and the source signal and indicating a fault condition when the real-time phase angle relationship is within a predetermined number of angular degrees of the learned phase angle relationship and when the load current magnitude exceeds a fault-indicating current. | 2009-01-08 |
20090009181 | Current Differential Protection Relays - In the field of current differential protection relays there is a need for improvements in or relating to the protection relays to allow them to accommodate current transformer saturation while maintaining a desired degree of reliability. A method of operating a current differential protection relay following a fault, the protection relay being electrically coupled to a protection zone of an electrical power system, comprises the steps of establishing a fault condition by discriminating between an internal fault inside the protection zone and an external fault outside the protection zone; and modifying the sensitivity of the protection relay according to the nature of the fault condition. | 2009-01-08 |
20090009182 | CIRCUIT TO PROVIDE TESTABILITY TO A SELF-TIMED CIRCUIT - The present invention enables asynchronous circuits to be tested in the same manner and using the same equipment and test strategies as with synchronous circuits. The feedback path of an asynchronous element, for example a Muller C element, includes a test structure which may be invoked for the purpose of providing the means for synchronous testing. When configured for testing, the test structure provides a clocked latching and selecting function which, by virtue of breaking the feedback path of the self-timing device, prevents the device being tested from switching states until desired. When the element is not in test mode, the test structure is configured to pass through the data that normally flows through the feedback path unchanged. The result is an ability to test an asynchronous device or subsystem of a device in the same manner as and/or intermixed with a synchronous device. | 2009-01-08 |
20090009183 | SYSTEM AND METHOD FOR PREDICTIVE MAINTENANCE OF A BATTERY ASSEMBLY USING TEMPORAL SIGNAL PROCESSING - A technique of monitoring a battery assembly may include monitoring a parameter associated with the battery assembly to obtain a number of monitored parameter samples. A temporal sequence of monotonically increasing values may be generated from the monitored parameter samples. The temporal sequence may be analyzed for an indication of a trend in the monitored parameter toward one of an upper operational boundary or a lower operational boundary to predict a fault condition of the battery assembly. | 2009-01-08 |
20090009184 | Test circuit and test method - In a test circuit, a first N-channel transistor with an open drain is connected to a receiver in a test target integrated circuit and is configured to generate a first amplitude voltage signal in response to a first voltage drive signal. A second N-channel transistor with an open drain is connected to the receiver in the test target integrated circuit and is configured to generate a second amplitude voltage signal in response to a second voltage drive signal complimentary to the first voltage drive signal. | 2009-01-08 |
20090009185 | Diagnostic System For Monitoring A Connector - A diagnostic resistor via which a diagnostic current flows is used in a diagnostic system for monitoring a connector in particular for high-frequency modules. The diagnostic resistor is integrated into a connector. | 2009-01-08 |
20090009186 | Systems and Methods for Determining the State of a Programmable Fuse in an IC - Systems and methods for detecting the mode (a.k.a., state) of a fuse or set of fuses in a device such as an integrated circuit. One embodiment comprises a method for determining three fuse states (uncut, cut, and destroyed) by comparing the fuse voltage with two reference voltages. Each fuse state has a different (indicative) impedance and is associated with a fuse voltage. The fuse voltage is below, between, or above two reference voltages, thereby determining the fuse state. One embodiment includes the fuse in series with a read transistor as well as two reference voltage generators, each comprising a resistor and a transistor (equivalent to the read transistor). Both resistors' impedances are greater than the uncut fuse impedance and one is less than the cut fuse impedance. Two comparators are used to bracket the fuse voltage, indicating that the fuse is uncut, cut, or destroyed. | 2009-01-08 |
20090009187 | METHOD FOR IDENTIFYING CONNECTED DEVICE AND ELECTRONIC DEVICE USING THE SAME - A method for identifying connected devices and an electronic device using the method are disclosed. When the connected device is connected to the electronic device, a type of the connected device is identified based on the voltage change according to a change of current flowing in therebetween, and then a corresponding function is performed based on the identified type. | 2009-01-08 |
20090009188 | STRUCTURAL HEALTH MONITORING SENSOR SYSTEM AND METHOD USING RESONANT TRANSMISSION LINE SENSORS - A structural health monitoring system and method uses a resonant transmission line sensor. A resonant transmission line sensor, which includes one or more sensor conductors and a dielectric material disposed at least proximate the one or more sensor conductors, is coupled to the structure. The dielectric material exhibits a dielectric constant that varies when at least a portion of the transmission line sensor is subjected to one or more stimuli. One or more resonant frequencies of the transmission line sensor are determined, and the determined one or more resonant frequencies are then correlated to the structural health of the structure. | 2009-01-08 |
20090009189 | APPARATUS AND METHOD FOR THE MEASUREMENT OF MASS AND/OR MOISTURE OF DIELECTRIC OBJECTS - An apparatus for the measurement of mass and/or moisture of dielectric objects, with an analysing unit, at least one high frequency generator, at least one high frequency detector and with a high frequency resonator, wherein the at least one high frequency generator can generate at least two modes which are independent from each other, having different resonance frequencies in the resonator, the at least one high frequency detector can measure the occurring frequencies for each mode in the resonator, and the analysing unit can determine a shift of the resonance frequency (A) and a change of the resonance curve for the measured frequencies in each mode, and can calculate the mass and/or moisture of the dielectric object from the determined values for the shift of the resonance frequency (A) and the change of the resonance curve. | 2009-01-08 |
20090009190 | Inspection Apparatus Using Terahertz Wave - There is provided an inspection apparatus having a configuration which can suppress attenuation of an electromagnetic wave caused by an environment surrounding the inspection apparatus and can readily prevent an unwanted substance from being contaminated into a propagation path of the electromagnetic wave. | 2009-01-08 |
20090009191 | High-Resolution, Nondestructive Imaging of Dielectric Materials - The enhanced detection of defects in the bulk dielectric material (Specimen) having radiation partly reflected at interfaces where the dielectric constant changes (e.g., where there are defects or structures). A sinusoidal or quasisinusoidal wave (Microwave Source) results. Localization or imaging of features is enhanced by exploiting the variation in distance resolution (Standoff+/−) in a sinusoidal or quasi-sinusoidal standing wave. At characteristic distances, the wave has a high slope and the amplitude of the wave varies strongly with small changes in distance (Standoff+/−). By inspecting at these characteristic distances (Standoff+/−), the resolution is enhanced. By systematically varying the position of the transducer or specimen, detailed images may be formed of the internal structure of the specimen across a range of depths. Defects and structures may be detected at smaller sizes than has previously been possible. | 2009-01-08 |
20090009192 | System and Method For Package Inspection - A system are described in the field of automated packaging, relating to the inspection of packages (packaged product) in a production line. In particular, the invention addresses a number of problems with inspection systems of the prior art. One embodiment described provides a capacitor sensing inspection system ( | 2009-01-08 |
20090009193 | Moisture-Sensitive Element with an Interdigital Capacitor and Fabrication thereof - A moisture-sensitive element with an interdigital capacitor (IDC) and fabrication thereof are disclosed, wherein the moisture-sensitive element with the interdigital capacitor investigates a moisture sensor for the determination of human skin moisture based on the interdigital capacitor. The moisture-sensitive element with an interdigital capacitor comprises a printed circuit board (PCB), an interdigital capacitor formed on the printed circuit board, and a moisture sensing layer formed on the interdigital capacitor. | 2009-01-08 |
20090009194 | NORMALIZING CAPACITIVE SENSOR ARRAY SIGNALS - An embodiment of the present invention is directed to a method for processing a position signal. The method includes receiving a first position signal from a capacitive sensor and determining a proximity of the capacitive sensor to a connection of an array of capacitive sensors. The sensitivity of the capacitive sensor is then adjusted and a second position signal is received from the capacitive sensor. The second position signal may then be reported. The present invention facilitates more accurate readings from an array of capacitive sensors. | 2009-01-08 |
20090009195 | METHOD FOR IMPROVING SCAN TIME AND SENSITIVITY IN TOUCH SENSITIVE USER INTERFACE DEVICE - System and method for optimizing the consumption of power while maintaining performance in capacitive sensor arrays. A limited sensing area is used to improve the update rate and sensitivity of a row/column array of capacitive sensors. According to one embodiment, a method is provided for scanning a plurality of capacitive sensors by: detecting a stimulus in the field of capacitive sensors, scanning the field of capacitive sensors to determine the position of the stimulus. Once the position of the stimulus is determined, a subsection of the field comprising window corresponding to the position of the stimulus remains activated while the remaining sensors in the field are deactivated. | 2009-01-08 |
20090009196 | ANALOGUE MEASUREMENT OF ALIGNMENT BETWEEN LAYERS OF A SEMICONDUCTOR DEVICE - A method of obtaining parametric test data for use in monitoring alignment between layers of a semiconductor device. The method employs a test structure comprising a meander ( | 2009-01-08 |
20090009197 | PROBE FOR ELECTRICAL TEST - A probe for electrical test comprises an arm region extending in a first direction, and a tip region leading to one side in a second direction intersecting the first direction of the arm region, and has a plate form making a direction interesting the first and second directions a thickness direction. The tip region includes a pedestal portion leading to the arm region and a contact portion leading to the pedestal portion, and the contact portion includes a base portion forming a part of the pedestal portion and a projecting portion leading to the base portion and projecting from the pedestal portion in the second direction. By this, damage to the contact portion is prevented. | 2009-01-08 |
20090009198 | PROBING DEVICE - A probing device includes a rack that has an outer support member supporting a circuit layer and a center support member supporting a probe assembly. When the tester touching down the circuit layer of the probing device from the top side, the outer support member of the rack bears this touchdown stress. When the probes of the probe holder touching down the electronic components of an IC wafer under test, the center support member of the rack bears the reaction force from the IC wafer. | 2009-01-08 |
20090009199 | SYSTEMS AND METHODS FOR TESTING PACKAGED MICROELECTRONIC DEVICES - Systems and methods for testing packaged microelectronic devices are disclosed herein. One such system for testing a packaged microelectronic device includes a test socket configured to receive the device for testing and a tester interface including a plurality of test contacts aligned with external contacts of the device when the device is received within the test socket. The system further includes a mask proximate to the test socket and the test contacts. The mask includes a plurality of apertures arranged in a pattern corresponding to the plurality of test contacts and corresponding at least in part to the array of external contacts when the device is received within the test socket. The apertures include (a) first apertures sized to allow the corresponding test contacts to extend completely through the mask, and (b) one or more second apertures sized to allow the corresponding test contacts to extend only partially through the mask. | 2009-01-08 |
20090009200 | Method for Providing Alignment of a Probe - A method for aligning a probe relative to a Supporting substrate defining a first planar surface, an edge, and a first crystal plane includes the steps of masking the surface of the substrate to define an exposed area on the first surface at the edge; and etching, using an etch reagent, a recess in the exposed area, the recess defining first and second opposed sidewalls, an end wall remote from the edge, and a bottom wall. The method further includes the step of providing a probe substrate defining a second planar surface and a second crystal plane identical to the first crystal plane, and positioning the probe substrate so that the first and the second crystal planes are positioned identically when forming a probe from the probe substrate using the etch reagent, wherein the probe defines congruent surfaces to the first and second sidewalls. | 2009-01-08 |
20090009201 | Probe for Electrical Test and Probe Assembly - A probe for electrical test provided with positioning marks parallel to a plane where tips are provided and at a height position lower than the plane on a plane directed in the same direction as the plane, the positioning marks are in a predetermined positional relation to said tips. The positioning marks contain information indicating an existing direction of the tips when the positioning marks are observed from the projecting direction of the tips. | 2009-01-08 |
20090009202 | Methods of Retaining Semiconductor Component Configurations within Sockets - The invention includes methods of utilizing removable mechanical precising mechanisms and/or optical-based precising mechanisms to align chips within sockets. The sockets can be configured so that compression of the sockets opens a clamping mechanism. A chip can be placed within a socket with a manipulator and aligned during compression of the socket. Subsequently, the compression of the socket can be released while the manipulator remains in contact with the chip to hold the chip in place until the clamping mechanism is retaining the chip in the socket. The chip can then be released from the manipulator. The invention also includes systems for utilizing removable nests to align various chip geometries within generic socket designs. | 2009-01-08 |
20090009203 | INSPECTION APPARATUS AND METHOD - There are provided an inspection apparatus and method that can locally perform sample temperature regulation, so that the sample drift can be suppressed. There are included a sample stage | 2009-01-08 |
20090009204 | Test socket - A test socket in accordance with one aspect of the present invention includes a socket body, a thermoelectric element and a heat transfer member. The socket body receives an object. The thermoelectric element is arranged in the socket body to emit heat and absorb heat in accordance with current directions. The heat transfer member is arranged between the object and the thermoelectric element to transfer a heat generated from the object to the thermoelectric element. Thus, the object may be directly provided with a desired test temperature using the thermoelectric element so that the desired test temperature may be set rapidly and accurately. Further, the heat transfer member interposed between the object and the thermoelectric element may quickly dissipate the heat in the object. | 2009-01-08 |
20090009205 | Microcontactor probe assembly having a plunger and electric probe module using the same - In order for a conduction path to have a reduced number of sliding portions for conduction, without increase in inductance nor resistance, thereby permitting an enhanced accuracy of inspection, a pair of plungers ( | 2009-01-08 |
20090009206 | BIST DDR MEMORY INTERFACE CIRCUIT AND METHOD FOR TESTING THE SAME - An apparatus and method for self-testing a DDR memory interface are disclosed. In one aspect, a built-in-self-test (BIST) memory interface circuit comprises a signal multiplier for receiving a first clock signal from a tester and outputs a multiplied clock signal. A first multiplexer is used for selecting between a test mode and a normal operating mode and provides an output signal. A delay magnitude generator is coupled to the signal multiplier to receive the multiplied clock signal and provides a second clock signal and a phase control signal. A plurality of digitally controlled delay line blocks are used for each receiving the second clock signal and the phase control signal and outputting a plurality of sequential input/output bit-pair signals corresponding to an internal data strobe input signal and a phase shifted data strobe output signal respectively. A second multiplexer selects a reference data input bit that corresponds to one of the internal data strobe input signals of the input/output bit pair signals s from the delay line blocks and a third multiplexer for selecting a reference data output bit that corresponds to one of the phase shifted data strobe output signals from the input/output bit pair signals. A phase detector for determining a phase difference between the reference data input bit and the reference data output bit and outputting a phase difference value. | 2009-01-08 |
20090009207 | Sensor unit with safety system - A sensor unit is disclosed with a safety system for use with a signal generator, where at least one evaluation unit is provided for evaluating a signal from a sensor and for producing a first trigger signal based on the signal. In at least one embodiment, a more compact and less expensive version of a sensor unit is provided, which operates reliably under high safety demands. In at least one embodiment, this is achieved by a safety system which has a checking unit for checking the operation of the evaluation unit using a test signal. The test signal is processed by the evaluation unit in the same way as the signal from the sensor. The two-channel output is provided on the basis of a conclusiveness check in the checking unit. | 2009-01-08 |
20090009208 | SEMICONDUCTOR DEVICE AND INSPECTION METHOD THEREOF - A semiconductor device is disclosed. The device has a photodiode isolated by element isolating regions (Ia, | 2009-01-08 |