Abstract: The present invention implements a software controlled thermal feedback system for battery charging circuitry in portable devices, specifically in cellular telephones. The charging hardware block is integrated into a mixed-signal analog base-band (ABB) circuit. In addition to standard function controls, integrated within the ABB are silicon temperature sensors used to monitor the temperature of any silicon components integrated on the ABB and detect any temperature change due to thermal heating. The temperature value is passed to the digital base band (DBB) circuit. Here, a microcontroller is programmed to perform power management functions relating to the ABB. Thermal control software, implemented on the DBB microcontroller, monitors the silicon temperature of the ABB and adjusts the power levels on the ABB accordingly to provide a controlled chip temperature.

Abstract: A charger for charging a second battery is provided. The charger includes a charging circuit, a charging interface, the charger further comprise an audio interface, a switch and a sound output device. The switch used for connecting an audio interface to a charging circuit or a sound output device. When the sound output device connects to the audio interface, the sound output device plays the audio signals outputted by the audio player via the audio interface; when the charging circuit connected to the audio interface, the audio player output energy to the electronic device via the charging circuit and the charging interface, thereby charging the electronic device.

Abstract: Embodiments of the present invention include systems and methods of controlling power in battery operated systems. In one embodiment, the present invention includes a switching regulator for boosting voltage on a depleted battery to power up a system. The system may communicate with an external system to increase the current received from the external system. Embodiments of the present invention include circuits for controlling power received from external power sources such as a USB power source. In another embodiment, input-output control techniques are disclosed for controlling the delivery of power to a system or charging a system battery, or both, from an external power source.

Abstract: This device is an Improved Automotive All Silicon Voltage Regulator (I-ASVR) for use in the automotive components re-manufacturing and original equipment alternator product. Particularly this device improves the electrical connections, prevents failures related to poor connections and heat variations, and eliminates failures from transient voltage surges that effect electronic devices. This device may be an improved replacement regulator for re-manufacturing or an original equipment regulator to improve the quality and durability. The device is comprised essentially of four significant changes to a standard voltage regulator: an addition to the electronics of a transient suppression means for the loads; a connection for the battery connection (B+) through a fixed terminal that connects and is sandwiched under the battery stud of the rectifier bridge; the elimination of the soldered B+ terminal that was susceptible to corrosion and failure; and, an improved grounding connection.

Abstract: A solid state reversing DC motor starter that is testable on-line and satisfies the requirements for nuclear safety grade equipment. The motor starter employs a bridge of solid state switches which connect the polarity of the motor winding to conform to the desired direction of travel. The reversing switch bridge is in series with the main switch that is coupled in parallel with a reduced current by-pass flow path.

Abstract: An engine-driven work machine system includes an engine; a work machine driven by the engine; a frame supporting the engine and the work machine; and a sound-insulating housing provided on the frame. The sound-insulating housing includes a bottom plate; a pair of opposing sidewall plates extending from the bottom plate with the engine and the work machine therebetween; and a fuel tank connecting upper ends of the sidewall plates. A mounting flange formed around an outer periphery of the fuel tank is superposed on a flat tank-supporting portion formed at the upper ends of the sidewall plates. A downward-facing collar is formed at an outer end of the mounting flange. An upward-facing collar is formed in the tank-supporting portion and arranged inwardly of the downward-facing collar with respect to the sound-insulating housing. A seal member is provided outwardly of the upward-facing collar and between the mounting flange and tank-supporting portion.

Abstract: In the m phase brushless generator, n (n<m) phase magnet coil groups are provided with magnetic sensors, while the remaining (m?n) phase magnet coil groups are not provided with magnetic sensors. The regeneration control circuit utilizes the sensor outputs of the n magnetic sensors to generates n sets of regeneration control signals for the n phase magnet coil groups. The regeneration control circuit further generates (m?n) sets of regeneration control signals for the (m?n) phase magnet coil groups not associated with the n magnetic sensors, using one or more of the sensor outputs of the n magnetic sensors in generation of each of the (m?n) sets of regeneration control signals.

Abstract: A method, apparatus, and system are described in which a hybrid of two standard types of voltage regulators is formed. The hybrid voltage regulator may share a switching waveform with a switching waveform generator already in use on the circuit board, which may be a switching voltage regulator. This switching waveform acts as a control waveform for the hybrid voltage regulator, thus eliminating the need for another controller. The hybrid voltage regulator combines the functionality of a linear voltage regulator and a switching voltage regulator into one circuit. The shared switching waveform controls during operation as a switching voltage regulator. A second control waveform is generated by a control amplifier, which compares the regulated output voltage to a reference voltage. The second control waveform controls during operation as a linear voltage regulator.

Abstract: A voltage regulator comprising two feedback loops for regulating a load voltage, where the first feedback loop comprises a pass transistor to source current to the load, and the second feedback loop comprises a shunt transistor to shunt current from the pass transistor to ground. The use of two feedback loops allows the design of a voltage regulator in which it small-signal impedance, as seen by a power rail, has a phase not less than ?90 degrees. This mitigates interactions between the power rail and the voltage regulator that may lead to oscillations, without the need for a relatively large de-coupling capacitor. Other embodiments are described and claimed.

Abstract: An electronic device includes: a DC power source which supplies a first DC supply voltage; a DC voltage converter which is enabled or disabled in response to a first control signal, and which converts the first DC supply voltage into a second DC supply voltage different from the first DC supply voltage, when the DC voltage converter is enabled; a switch which selects and supplies either the first DC supply voltage or the second DC supply voltage as an output in response to a second control signal; a DC voltage regulator which is enabled or disabled in response to a third control signal, and which converts the DC supply voltage selected by the switch into a third supply voltage lower than the selected DC supply voltage when said DC voltage regulator is enabled; a control unit which provides the second control signal to the switch; and a loading which utilizes the third DC supply voltage.

Abstract: A power supply system with a remote control circuit and a power supply system operation method are provided. The power supply system uses a remote control power supply device and a battery to provide a system with power, while the remote control circuit includes a first-resistor, a first-operational amplifier, a second-operational amplifier and a selection circuit. The first-resistor herein is coupled between the remote control power supply device and the battery. The first-operational amplifier detects the current passing through the first resistor so as to output a first control signal. The second-operational amplifier detects the battery voltage so as to output a second control signal. The selection circuit outputs one of the first control signal and the second control signal with a lower voltage and the output signal is served as a remote control signal to adjust the voltage of the remote control power supply device.

Abstract: A voltage regulator integrated in a chip of semiconductor material is provided.

Abstract: A transient voltage compensation apparatus and a power supply using the same are provided. The power supply mainly uses an energy transferring circuit coupled between an input terminal and an output terminal of a power converter. When a load of the power supply is switched in a very short time, a power coupled to the energy transferring circuit is retrieved to compensate the output of the power supply, such that the output voltage is kept steady, and the transient response of the power supply is increased.

Abstract: Synchronization circuitry and synchronization system for synchronizing a plurality of convert/controllers that is electrically-coupled to a common synchronization node are disclosed. The synchronization system includes the synchronization circuitry, oscillation circuitry, and a leading edge detector and pulse generator. The synchronization circuitry includes pull-up circuitry and pull-down circuitry for generating a voltage pulse-train at the synchronization node. The impedance of the pull-down circuitry is at least an order of magnitude greater than the impedance of the pull-up circuitry. The oscillation circuitry controls which of the pull-up and the pull-down switching device is driven ON and which is driven OFF.

Abstract: A low dropout voltage regulator with switching output current boost circuit. In one aspect of the invention, a voltage regulator circuit includes a low dropout voltage regulator providing an output voltage at an output based on an input voltage at an input, and a boost circuit connected to the low dropout voltage regulator. The boost circuit includes a comparator and a boost transistor device for allowing additional current to be provided to the output of the low dropout voltage regulator when the output voltage of the current regulator falls below a predetermined threshold.

Abstract: A Pseudo Average Output Current Control scheme is provided. The control scheme allows only detecting one part of the inductor current of the switching converter to control the average output current of the switching converter follow the reference current. The control scheme is noise insensitive and makes the whole controlled system cost effective.

Abstract: A switching mode power supply is configured to have two modes, a normal mode and a measure mode. To determine a compensation factor to compensate the switching mode power supply in the normal mode, the switching mode power supply is switched to the measure mode to measure a frequency response of the switching mode power supply, by which the switching mode power supply is accurately compensated and optimized.

Abstract: A power accumulating unit of a power supply system includes a first switch section configured to achieve a first voltage output state in which an output voltage is substantially equal to a first motor driving voltage and a second switch section configured to achieve a second voltage output state in which the output voltage is substantially equal to a second motor driving voltage that is higher than the first motor driving voltage. A voltage switching control part is configured to perform a voltage switching control to switch between the first motor driving voltage and the second motor driving voltage by alternately operating the first and second switch sections to repeatedly switch between the first voltage output state and the second voltage output state.

Abstract: Provided is a temperature compensating circuit, which conducts a temperature correction having a continuous characteristic, and is small in the circuit scale. An output voltage VOUT at a connection point 14 is determined on the basis of a current Ia2, a current Ib2, and a current Ic2, and an output voltage of a temperature sensor circuit is corrected by the output voltage VOUT with a temperature. As a result, the temperature correction having the continuous characteristic is conducted on the basis of a current change of the current Ia2, the current Ib2, and the current Ic2. Because the plural temperature compensating circuits are not provided, and only one temperature compensating circuit is provided, the circuit scale becomes smaller.

Abstract: An integrated circuit device includes: an internal circuit disposed on an inside area of the integrated circuit device; and at least one regulator circuit that generates a regulation voltage formed by stepping down a power supply voltage provided from outside, wherein an output terminal of the regulator circuit is connected to a first pad that is an external terminal of the integrated circuit device and a power supply line of the internal circuit, and the regulator circuit controls the state of the output terminal based on a plurality of control signals inputted respectively to a plurality of control terminals.

Abstract: In a disclosed power supply device, a LDO and a switching regulator are connected in parallel with each other. The power supply device selects and actuates either of the LDO or the switching regulator in accordance with a switching signal from the outside. When making the switch from the LDO to the switching regulator so as to be actuated, the power supply device causes operation periods of the LDO and the switching regulator to overlap each other. At least during the period in which the operation periods overlap each other, the power supply device makes current drive performance of a synchronous rectification transistor of the switching regulator lower and makes the same returned to a normal state after the LDO stops its operation.

Abstract: A power converter includes a power train with a coupled inductor and a plurality of regulators, and method of forming and operating the same. In one embodiment, the power train includes a coupled inductor including a magnetic core with a common leg, a first leg and a second leg. The coupled inductor also includes a common winding formed around the common leg, and first and second windings. The first winding is formed around the first leg, and is electrically and magnetically coupled to the common winding. The second winding is formed around the second leg, and is electrically and magnetically coupled to the common winding. The power train also includes a first regulator including a first main switch coupled to the first winding and a second regulator including a second main switch coupled to the second winding.

Abstract: A biometric sensor panel includes (a) a first flexible substrate, (b) a plurality of first electrodes formed on the first flexible substrate, the first electrodes being arranged in a first direction, (c) a semiconductor layer formed on the first electrodes, (d) a second flexible substrate, (e) a plurality of second electrodes formed on the second flexible substrate, the second electrodes being arranged in a second direction crossing the first direction, and (f) a pressure sensitive conductive layer formed on the second electrodes, wherein the first and second flexible substrates face each other such that the semiconductor layer is in contact with the pressure sensitive conductive layer.

Abstract: Disclosed is a superconducting power cable capable of quench detection, and a quench detection system using the superconducting power cable. The superconducting power cable capable of quench detection includes a former; a superconducting conductor layer composed of a superconducting wire and surrounding the former; a conductor layer quench detection coil interposed between the former and the superconducting conductor layer and surrounding the former; an insulating layer surrounding the superconducting conductor layer; and a shielding layer surrounding the insulating layer. This superconducting power cable may detect quench generated during its operation in real time.

Abstract: A circuit measures current passing through a memory cell in a NAND flash memory. The circuit includes a decoder and an analog mixer. The decoder is configured to select at least one data line coupled to page buffers and column decoders in accordance with a controlling signal. The analog mixer is configured to output current passing through the selected data line, or to couple all of the data lines to a means for measuring current in accordance with a total current measurement controlling signal.

Abstract: An image forming apparatus includes two AC power input cords to be connected to an AC power source. The image forming apparatus can detect if at least one of the two AC power input cords is not connected to the AC power source. An input voltage detector or a zero-cross signal detector receives an input from the one AC input power cord, and detects a voltage state of connection to the AC power input cord. A controller utilizes signals from the input voltage detector or zero-cross signal detector to detect whether the one AC input power cord is connected to the AC power source. An operator can also be provided an indication if it is determined that the one AC power input cord is not connected to the AC power source.

Abstract: A front plane laminate useful in the manufacture of electro-optic displays comprises, in order, a light-transmissive electrically-conductive layer, a layer of an electro-optic medium in electrical contact with the electrically-conductive layer, an adhesive layer and a release sheet. This front plane laminate can be prepared as a continuous web, cut to size, the release sheet removed and the laminate laminated to a backplane to form a display. Methods for providing conductive vias through the electro-optic medium and for testing the front plane laminate are also described.

Abstract: The level of an output signal output from a device under test is easily adjusted in order to restrain an adverse effect on a result of measuring characteristics of the device under test. A measuring device includes a characteristic measuring unit for measuring characteristics of a device under test based on the output signal output from the device under test, an attenuator for receiving the output signal and adjusting the level of the output signal before supplying it to the characteristic measuring unit, and a level setting unit for setting the degree of the level adjustment of the output signal by the attenuator so as to minimize a measurement error which is caused by the characteristic measurement unit, and changes according to the level of the output signal supplied to the characteristic measuring unit.

Abstract: Disclosed is a DC current sensor including: a magnetic core symmetrically divided into two parts and having a center space through which a conductive wire carrying DC current to be measured passes; a detection coil wound around one of the magnetic core parts for measuring electromotive force; an operating member installed at the other one of the magnetic core parts repeatedly approach and retreat the magnetic core parts from each other in a non-contact manner; and a controller for controlling the operating member to repeatedly approach and retreat the magnetic core parts from each other to generate electromotive force on a magnetic circuit, wherein there are a pair of gaps between the pair of magnetic core parts, and the generated electromotive force is measured by the detection coil and output from an amplifier circuit to detect the DC current flowing through the conductive wire. Therefore, it is possible to increase detection precision of the DC current sensor by finely controlling the size of the gap.

Abstract: A non-contact voltage detector having a self-test feature is provided. The non-contact voltage detector may include an antenna, a detection circuit and a self-test circuit. The self-test circuit may be configured to send a test signal through a portion of the antenna and to the detection circuit. Alternatively, the self-test circuit may be configured to send a test signal to the detection circuit without sending it through a portion of the antenna.

Abstract: A chuck for a probe station.

Abstract: A chuck for a probe station.

Abstract: A chuck for a probe station.

Abstract: A magnetic encoder unit with a small size and low power consumption is provided which can detect an angle in not more than one-turn and an amount of multi-turn. The magnetic encoder unit includes a permanent magnet 2 magnetized in a direction perpendicular to a rotation axis of a rotating member 1 and fixed to the rotating member 1, a magnetic field detecting element 4 fixed to a fixed member 3 so as to be opposite to the permanent magnet 2 with a gap therebetween, and a signal processing circuit 5 processing a signal from the magnetic field detecting element 4. Here, multi-turn detecting means including a multi-turn magnetic field detecting element 6 and a multi-turn signal processing circuit 7 detecting an amount of multi-turn from a signal of the multi-turn magnetic field detecting element 6 is added thereto.

Abstract: An inductive position sensor for position sensing includes a transmitter coil and a receiver coil, the receiver coil generating a receiver signal when the transmitter coil is excited by an alternating current source. A moveable coupler element modifies the inductive coupling between the transmitter coil and the receiver coil so that the receiver signal is sensitive to the coupler element position. For example, the coupler element may rotate about a common central axis of the transmitter coil and receiving coil. In further examples, a reference coil is configured so that a provided reference signal is substantially insensitive to variations in the angular position of the coupler element. A ratio between the receiver signal and the reference signal is sensitive to the coupler element position, but substantially insensitive to common mode factors that influence the reference signal and receiver signal to a substantially equal degree.

Abstract: In a magnetic detection device using a magnetic resistance element, the resistance of a layer having a multi-layer structure can be easily adjusted without causing damages to the layer. A magneto-resistance layer is connected in series to a reference resistance layer, and a magneto-resistance layer is connected in series to a reference resistance layer on a substrate. A voltage is applied between a power supply layer and a grounding layer. A first output conductive layer and the reference resistance layer extend in parallel to each other so that they are partially electrically connected to each other via a connection layer. A second output conductive layer and the reference resistance layer extend in parallel to each other so that they are partially electrically connected to each other via a connection layer. Accordingly, it is possible to adjust the resistance of the reference resistance layers by selecting the respective positions of the connection layers.

Abstract: A magnetic detection device of a NS detection type is provided. A magnetic detection device comprising a first series circuit, a second series circuit, and a third series circuit. At least one of a plurality of resistance elements forming the first series circuit includes a first magneto-resistance element using a magneto-resistance effect, of which an electric resistance varies with an external magnetic field of any one direction. At least one of a plurality of resistance elements forming the second series circuit includes a second magneto-resistance element using a magneto-resistance effect, of which an electric resistance varies with an external magnetic field of a direction apposite to the one direction.

Abstract: A magnetic detection device has stable characteristics having an area of a resist layer covering an insulating passivation layer, forming the magnetic detection element and a connection layer on a small stepped surface with high-precision, and preventing the resist layer from peeling, thereby providing a method of manufacturing the magnetic detection device. A resist layer 42 is overlapped through the insulating passivation layer 41 on an interconnection layer 35.

Abstract: A digital based two wire proximity transmitter system and a method for calibrating the system, wherein the transmitter includes a customized linearization table uniquely generated during calibration to take into account the unique impedance properties of a particular probe/coaxial cable configuration. During calibration, the probe is positioned adjacent a calibration target. The calibration target is selected to have the same material characteristics as the target to be monitored during actual operation of the transmitter in the field. At a fixed distance between the probe and calibration target, the resonant frequency of the probe/cable system is determined. Thereafter, utilizing this resonant frequency to excite the probe, the voltage response of the probe/cable system is determined as the distance between the probe and the target material is incrementally changed.

Abstract: The present invention relates to a detector for locating metallic objects, with a transmit coil (116, 216) and at least two receive coils (112, 114; 212, 214), which are inductively coupled to one another; the at least two receive coils (112, 114; 212, 214) are located coaxial to one another in a plane (126, 226), and the transmit coil (116, 216) is located in a parallel plane with a height offset. The invention provides that additional compensating windings (130, 132; 230, 232) of at least one of the receive coils (112, 114; 212, 214) are formed adjacent to a transmit coil (116, 216).

Abstract: A metal object detecting apparatus comprising, a transmitter for generating a primary magnetic field having a resultant magnetic field direction which varies along any substantially linear path through a surveillance volume such that at three locations along said path the resultant magnetic field points in three mutually substantially orthogonal directions; a detector for measuring a secondary magnetic field at a plurality of positions as a function of time due to the presence of a metal object within the surveillance volume as it passes a plurality of measurement points there-through; and a processor for determining from the measured secondary magnetic fields a track through the surveillance volume comprising a plurality of locations of the metal object and a magnetic moment thereof at each location, the processor being adapted in use to derive there-from a magnetic signature that is characteristic of the metal object and independent of the orientation and track of the metal object.

Abstract: The invention provides a magnetic detection device having excellent thermal resistance and water resistance by changing a configuration of layers of an insulating protection layer covering a magnetic detection element. A magnetic detection element is covered with an insulating protection layer, and the insulating protection layer has an alumina layer covering the magnet detection element and a silica layer covering the alumina layer. According to the embodiment, thermal resistance and water resistance can be properly improved, and therefore a magnetic detection device having excellent magnetic sensitivity and a high reliability can be realized without degrading characteristics of the magnetic detection device.

Abstract: A magnetic detection device capable of reducing current consumption includes a second series circuit connected in parallel to a first series circuit. The first series circuit includes a first magneto-resistance element, and a third series circuit 30 includes a second magneto-resistance element. The second series circuit includes fixed resistance elements. Electric resistance of the fixed resistance elements is larger than those of respective resistance elements included in a sensor unit, thereby reducing current consumption.

Abstract: The present provides a magnetic sensor device comprising at least one magnetic sensor element with N parallel magnetic sensor strips, N being at least 2, and wherein a constant voltage is applied across the N parallel magnetic sensor strips. The sensor device may advantageous be applied in applications where a large sensor surface with high uniform sensitivity is required.

Abstract: A method, a magnetic field sensor, and an electronic device measure and determine the magnitude and/or the direction of a magnetic field. The magnetic sensor is based on at least a first magnetoresistive-layered structure having an electric resistance depending on the magnitude of the magnetic field. The magnetic sensor generates at least a first offset magnetic field. The magnitude and the direction of the offset magnetic field can be modified to compensate the magnetic field. The electric resistance of the magnetoresistive-layered structure depends on the superposition of magnetic field and offset magnetic field. A maximum electric resistance indicates that the magnetic field is compensated by the offset magnetic field. In this case the magnitude of the magnetic field corresponds to the magnitude of the offset magnetic field, and the direction of the magnetic field is given by the reversed direction of the offset magnetic field.

Abstract: A device for measuring a current flowing in an electrical conductor that has a magnetic circuit coupled to an electrical conductor. The magnetic circuit has an air gap and a magnetic field sensitive component disposed in the air gap to measure a magnetic field generated by the electrical conductor. At least one control core with a control winding is included to control an effective length of the air gap when the control winding is energized. The device also has a compensation coil to magnetize the magnetic circuit.

Abstract: A method of correcting for motion in magnetic resonance images of an object detected by a plurality of signal receiver coils comprising the steps of acquiring a plurality of image signals with the plurality of receiver coils, determining motion between sequential image signals relative to a reference, applying rotation and translation to image signals to align image signals with the reference, determining altered coil sensitivities due to object movement during image signal acquisition, and employing parallel imaging reconstruction of the rotated and translated image signals using the altered coil sensitivities in order to compensate for undersampling in k-space.

Abstract: An automated image processing technique is disclosed that evaluates pixels of a phase-difference image to determine those pixels corresponding to inflowing phase data and background phase data. Phase-difference images are generated from a first acquisition and a second acquisition. Non-zero spatially varying background phase from the phase-difference images that are due to eddy currents induced by flow encoding gradients used to generate the phase-difference images is determined. This non-zero spatially varying background phase is removed from the phase-difference images to determine phase associated with flowing spins and phase associated with stationary spins.

Abstract: A dividing wall made from at least one first wall material for delimitation of a patient positioning region from an antenna structure of a magnetic resonance tomography apparatus has at least one region at which a specific sub-structure of the antenna structure is located on the side of the dividing wall facing away from the patient positioning region, at which the dividing wall has a wall part made from a second wall material with a dielectric constant that is lower than the dielectric constant of the first wall material.

Abstract: A method of providing shim sheets for adjusting a magnetic field in a magnetic resonance device by passive shimming, comprises the steps of field mapping of a region of interest in the MR device for obtaining an uncorrected magnetic field distribution including field inhomogeneities, decomposing the field inhomogeneities into first and second order spherical harmonic functions, determining primary shim terms derived from the second order spherical harmonic functions, wherein the primary shim terms yield a passive shim field adapted to a targeted shim field, scaling optimized shim terms for increasing a similarity of the passive shim field with the targeted shim field, constructing modular shim sheets on the basis of the optimized shim terms, and mounting the modular shim sheets on a shim sheet carrier of the magnetic resonance device. Furthermore, an adjustment device for adjusting a magnetic field in a magnetic resonance device by passive shimming is described.