32nd week of 2013 patent applcation highlights part 20 |
Patent application number | Title | Published |
20130200823 | MOTOR FOR HAIR GROOMING APPARATUS - A motor is provided which includes a pivotable portion having a permanent magnet mounted thereto, and first and second lamination arms, wherein the magnet induces positive and negative polarities in the first and second lamination arms, respectively. The motor further includes a fixed portion including an “E” shaped lamination having three lamination arms and a coil wound about one of the three lamination arms. When a current flowing in a first direction is applied to the coil, a first magnetic field is induced that affects polarity of at least on of the three lamination arms and thus generates a force that causes the first portion to pivot in a first direction. When the current flows in a second direction, a second magnetic field is induced that affects polarity of at least one of the three lamination arms and causes the first portion to pivot in a second direction. | 2013-08-08 |
20130200824 | METHOD FOR CONTROLLING THE POWER SUPPLY OF AN ELECTRIC MOTOR - A method and electrical system for controlling the power supply of an electric motor, in particular the electric motor of a vehicle that can be electrically driven, includes a control device that controls the power supply of the electric motor by an energy store. The energy store comprises a plurality of modules that are exposed to stress due to repeated charging and/or discharging and undergo an aging process as a result of said stress. In order to decouple the service life of the energy store from the service life of a vehicle, for example, the control device controls the charging and/or discharging of at least two modules differently such that said modules exhibit a stress difference so as to selectively reduce the aging process of the module being exposed to less stress. | 2013-08-08 |
20130200825 | MOTOR CONTROL DEVICE AND CONTROL METHOD OF THE SAME - To provide a motor control device which can apply an electric brake to a motor when power supply is stopped, and achieve a miniaturization and a cost reduction. A first switch | 2013-08-08 |
20130200826 | MOTOR CONTROL APPARATUS - A motor control unit determines whether a rotor of an electric motor is in rotation or not after the motor control unit is started up but before an initial operation, based on an encoder count value after the start-up of the motor control unit. When the electric motor is stopped, the initial operation is carried out so as to learn a correction value of phase difference between the encoder count value and an actual current-supply phase. When the electric motor is still rotated due to its inertia, a motor-stop control is carried out before the initial operation in order to completely stop the rotation of the rotor. In the motor-stop control, electric power is supplied to windings of two phases at the same time. | 2013-08-08 |
20130200827 | MOTOR CONTROL DEVICE, CURRENT CONTROL METHOD APPLIED TO MOTOR CONTROL DEVICE, AND ELECTRIC POWER STEERING DEVICE USING MOTOR CONTROL DEVICE - Provided is a motor control device ( | 2013-08-08 |
20130200828 | PWM Frequency Pattern Optimization for NVH - An optimized pseudo-random period pattern can reduce audible noise in a system that includes an inverter circuit configured to provide power to an electric machine. A system can include a PWM optimization module (POM) comprising the PPP. A carrier period for a carrier signal used to provide PWM inverter drive signals can be selected in accordance with the PPP. The PPP can be expressed as an array of 200-400 elements, each element a period belonging to a finite set of 2 or more predetermined periods. A period can be selected by index from the array, and the index incremented to progress through the PPP, which can be repeated upon its completion. The PPP can be optimized to reduce audible noise while mitigating inverter losses. Modeling techniques can determine the number of array elements, the number of possible periods, and the period values that optimize the PPP. | 2013-08-08 |
20130200829 | POWER SUPPLY APPARATUS OF HOME APPLIANCE - A power supply apparatus of a home appliance which meets standby power regulation of 0.5 watts using one SMPS. As compared with a general circuit which meets the standby power regulation using two or more SMPSs, it may be possible to curtail expenses required for addition of a separate standby only SMPS and miniaturize a PCB, resulting in a reduction in cost. Further, in a washing machine employing a motor, a circuit is provided to bypass a back EMF generated in the motor even if AC power is not supplied to the washing machine due to occurrence of a power failure or unplugging of the washing machine. Therefore, it may be possible to prevent a PCBA from being damaged due to the back EMF. | 2013-08-08 |
20130200830 | MOTOR-DRIVING SYSTEM - The invention includes a three-phase full-bridge power converter, a motor generator driven by the power converter, a pulse number generator which determines the number of pulses included in the driving signal for one electrical cycle, a voltage command generator which determines a modulation factor and a phase angle of driving voltage, and a pulse generator which generates the driving signal, and, in this invention, the pulse generator generates the driving signal having a pulse waveform which minimizes power loss in the power generator and the motor generator according to the number of pulses, the modulation factor, and the phase angle. | 2013-08-08 |
20130200831 | POWER SUPPLY DEVICE - A power supply device includes: an inverter that converts a DC power supplied from a battery pack into an AC power and outputs the AC power; and an adapter shapes a waveform of the AC power outputted from the inverter. | 2013-08-08 |
20130200832 | APPARATUS FOR DRIVING BRUSHLESS DC MOTOR - Disclosed is an apparatus for driving a BLDC motor, the apparatus including: a BLDC motor having a single sensing coil therein; a position/speed calculation unit for calculating a current position and a current speed of a rotor by using voltages at both ends of the sensing coil; a control unit for comparing the current speed of the rotor calculated by the position/speed calculation unit with a command speed and then outputting a control signal through a Proportional Integral (PI) control; a motor driving unit for generating a PWM signal based on the current position of the rotor calculated by the position/speed calculation unit and the control signal output by the control unit; and a power device unit for controlling the BLDC motor according to the PWM signal generated by the motor driving unit. | 2013-08-08 |
20130200833 | CONTROL METHOD OF WASHING MACHINE - Disclosed is a control method of a washing machine. The method includes performing first-stage rotation in which a drum is rotated at a predetermined rotational speed, performing second-stage rotation in which the drum is rotated at a first target RPM when a predetermined time has passed after the first-stage rotation ends, performing deceleration rotation in which the rotational speed of the drum is kept at a lower value than in the second-stage rotation, and performing third-stage rotation in which the drum is rotated at a second target RPM that is greater than the rotational speed of the drum in the deceleration rotation. Accordingly, it is possible to prevent laundry from being adhered to an inner surface of the drum during removal of moisture contained in laundry, and to achieve an increased contact area between laundry and hot air via uniform dispersion of laundry, resulting in enhanced laundry drying performance. | 2013-08-08 |
20130200834 | CONTROLLING METHOD OF LAUNDRY DEVICE - There may be disclosed a controlling method of a laundry treating apparatus including a low speed rotation step of rotating a motor configured to rotate a drum mounted in a tub at a low speed; and a high speed rotation step of rotating the motor at a high speed, the high speed rotation step implemented after the low speed rotations step, wherein the high speed rotation step comprises an acceleration period in which a RPM of the motor is increased after the RPM of the motor reaches a target RPM of the low speed rotation speed, such that the amount of the additionally supplied wash water may be reduced and that the washing course can be implemented, using a small amount of wash water. | 2013-08-08 |
20130200835 | MOTOR CONTROL DEVICE - To improve estimation accuracy of a frequency and an attenuation coefficient of residual vibration in which a plurality of frequencies are superimposed, a motor control device includes a vibration-damping-control setting unit | 2013-08-08 |
20130200836 | MOTOR CONTROL DEVICE, IMAGE FORMING APPARATUS, MOTOR CONTROL METHOD, AND COMPUTER-READABLE STORAGE MEDIUM - A motor control device includes a motor lock state determining unit configured to determine whether a motor is in a rotation lock state; a position hold state determining unit configured to determine whether the motor is in a position hold state; a lock detection invalidation determining unit configured to invalidate the determination of the lock state when the motor is in the position hold state and when a predetermined condition is satisfied; a position error correction unit configured to correct an error of a target stop position of the motor when the determination of the lock state is invalidated; and a motor control unit configured to change a rotation direction of the motor in a time shorter than a time in which the motor lock state determining unit determines the lock state when the motor is in the position hold state after the error is corrected. | 2013-08-08 |
20130200837 | METHOD FOR OPERATING A WORK APPARATUS HAVING AN ELECTRIC MOTOR AND WORK APPARATUS HAVING AN ELECTRIC MOTOR - An electric motor in a work apparatus has a power characteristic line which runs between a lower rotational speed of the electric motor and an upper rotational speed of the electric motor. The power characteristic line has a power characteristic with a pronounced maximum (M) and an operating plateau (AP) which lies in a working rotational speed range (AD) of the work apparatus. A method for operating the electric motor provides for configuring the position of the operating plateau (AP) to be variable with respect to the rotational speed of the electric motor to achieve stable operating points over a wide rotational speed range. | 2013-08-08 |
20130200838 | MOTOR CONTROL DEVICE, IMAGE FORMING APPARATUS INCLUDING THE MOTOR CONTROL DEVICE, AND MOTOR CONTROL METHOD - A motor control device to execute speed control and position control of motor simultaneously, includes a target position information provider, a target speed information provider, a detected position information detector, a processor to add position feedback information, position feed-forward information, speed feedback information, and speed feed-forward information for output as motor control information, based on the target position information, the setting target speed information, and the detected position speed information, a control voltage generator operatively connected to the processor to generate a control voltage to drive the motor in accordance with the motor control information, and a motor driver operatively connected to the control voltage generator and the motor to control rotation of the motor based on the control voltage. | 2013-08-08 |
20130200839 | RECTIFIER BASED TORSIONAL MODE DAMPING SYSTEM AND METHOD - A torsional mode damping controller system connected to a converter that drives a drive train including an electrical machine and a non-electrical machine. The controller system includes an input interface configured to receive measured data related to variables of the converter or the drive train and a controller connected to the input interface. The controller is configured to calculate at least one dynamic torque component along a section of a shaft of the drive train based on the measured data from the input interface, generate control data for a rectifier of the converter for damping a torsional oscillation in the shaft of the drive train based on the at least one dynamic torque component, and send the control data to the rectifier for modulating an active power exchanged between the converter and the electrical machine. | 2013-08-08 |
20130200840 | BATTERY MANAGING SYSTEM AND METHOD - A battery managing system includes a charging module and a control module. The charging module is connected to a battery. The control module includes a main control unit and a battery monitoring unit. The battery monitor unit monitors a quantity of the electrical charge remained in battery. The main control unit prohibits the charging module charging the battery when the quantity of the electrical charge remained in the battery is less than a threshold value. | 2013-08-08 |
20130200841 | Portable Rechargeable Power Supply - A portable power supply adapted to be connected to an external power source and to an electronic device comprises a main module comprising a battery, a satellite module comprising an input port, and output port, and an interface panel, and a tether cable, and a controller. The controller a first mode to allow the battery to be charged when the external power supply is connected to the input port, a second mode to allow power to be supplied to the electronic device from the battery when the electronic device is connected to the output port, and a third mode to allow the battery to be charged and power to be supplied to the electronic device when the external power supply is connected to the input port and the electronic device is connected to the output port. | 2013-08-08 |
20130200842 | MEDICAL IMAGE DIAGNOSIS APPARATUS - The medical image diagnosis apparatus has a body, a power transmitting part, a power receiving part, and a device. The power transmitting part is housed in the body, has a transmission coil, and generates an oscillating field due to resonance from the transmission coil upon receiving electric power. The power receiving part has a reception coil, resonates with a frequency substantially equal to the resonant frequency of the transmission coil, and generates electric power upon receiving the oscillating field. The device houses the power receiving part, deriving organization information through operation via non-contact with the body by electric power from the power receiving part. The apparatus comprises a status checker and a controller that determines whether or not electric power should be generated depending on at least one of the statuses to control the generation of electric power by the transmission coil. | 2013-08-08 |
20130200843 | ELECTRONIC APPARATUS, CONTROL METHOD AND RECORDING MEDIUM - An electronic apparatus includes a power receiving unit that receives power from a power transmitting apparatus wirelessly, a connection unit that connects an external apparatus, a detection unit that detects power received by the power receiving unit, and a control unit that changes a mode of the electronic apparatus to a first mode after the detection unit detects that power received by the power receiving unit is equal to or lower than a predetermined value if the electronic apparatus is in a second mode. | 2013-08-08 |
20130200844 | WIRELESS POWER CHARGING METHOD AND APPARATUS - A method and apparatus are provided that efficiently perform wireless power charging. A power supply device checks an amount of charging power required by the power receiving device; determines a power level of the charging power that to be supplied over time, based on the amount of the charging power required by the power receiving device; transmits the charging power corresponding to the determined power level to the power receiving device; periodically receives a report message about a charging situation of the power receiving device from the power receiving device; calculates remaining required power, based on the report message received from the power receiving device; adjusts the determined power level depending on the calculated remaining power; and transmits the charging power corresponding to the adjusted power level to the power receiving device. | 2013-08-08 |
20130200845 | CHARGING/DISCHARGING CONTROL APPARATUS - A hybrid electric vehicle 1 has a battery state detecting unit for detecting a temperature and SOC of a battery pack, a storage unit for storing a first target SOC calculation map in which a battery temperature and a target SOC which enables regenerative power generation at that battery temperature are associated with each other, and a second target SOC calculation map in which a battery temperature and a target SOC which enables startup of an internal combustion engine at that battery temperature are associated with each other, and a charging/discharging control unit for acquiring a target SOC which corresponds to the detected battery temperature based on the first target SOC calculation map or the second target SOC calculation map to control charging/discharging so that the detected SOC matches the acquired target SOC. | 2013-08-08 |
20130200846 | POWER SUPPLY SYSTEM FOR ELECTRIC POWERED VEHICLE, CONTROL METHOD THEREOF, AND ELECTRIC POWERED VEHICLE - A charge device converting electric power from an external power supply into a charging electric power for a power storage device is configured to allow power conversion bidirectionally. An AC/DC converter of an external charging system converts AC power of a power line into a charging electric power for an auxiliary battery. A DC/DC converter of the vehicle running system converts the electric power from the power storage device into the charging power for the auxiliary battery. When charging of the auxiliary battery is requested, a control device selectively executes a first charge of converting the electric power of the power storage device by the DC/DC converter to charge the auxiliary battery, and a second charge of converting the electric power of the power storage device by a charge device and the AC/DC converter to charge the auxiliary battery, according to an output state of the auxiliary battery. | 2013-08-08 |
20130200847 | CHARGE CONTROL DEVICE INCLUDING PROTECTIVE FUNCTION AND CELL PACK - A charge controller includes a charge control circuit that, when detecting that a charging power supply is connected, controls the charging transistor to apply the charge current; a first and second control switch element connected in series between one terminal of a secondary battery and an external terminal; and a protection circuit that, when the secondary battery is over-discharged, turns off the first control switch element to stop discharge current and when deeply discharged, turns off the second control switch element. The protection circuit sends a charge inhibit signal to the charge control circuit when the secondary battery is deeply discharged, and while receiving the charge inhibit signal, the charge control circuit keeps the charging transistor off to prevent the charge current from flowing even if detecting that the charging power supply is connected. | 2013-08-08 |
20130200848 | BATTERY PACK, METHOD FOR CHARGING/DISCHARGING SAME, AND POWER CONSUMPTION DEVICE - Provided is a method for charging/discharging a battery pack having an auxiliary charging/discharging device and a battery assembly in which a plurality of secondary battery cell parallel modules, each of which includes a plurality of fasecondary battery cells connected in parallel, are connected in series, the method including, when there is no abnormality in the secondary battery cells during charging/discharging, connecting the auxiliary charging/discharging device in parallel to any of the secondary battery cell parallel modules, and when there is an abnormality in any of the secondary battery cells during charging/discharging, releasing connection to the secondary battery cell at which the abnormality has arisen in the secondary battery cell parallel module including the secondary battery cell at which the abnormality has arisen, and connecting the auxiliary charging/discharging device in parallel to the secondary battery cell parallel module including the secondary battery cell at which the abnormality has arisen. | 2013-08-08 |
20130200849 | SYSTEM FOR MANAGING A SERIES COMBINATION OF ELECTRICAL ENERGY GENERATION OR STORAGE ELEMENTS, BASED ON A PLURALITY OF VOLTAGE INVERTER LEGS - A management system for managing a series association of elements for storing and/or generating electrical energy (CA | 2013-08-08 |
20130200850 | Circuit and Method for Cell Balancing - A balancing circuit for balancing multiple cells in a battery. The cell balancing circuit includes a first shunt path connected in parallel to a first cell, a controller coupled to the first shunt path, a timer and a storage unit. The controller balances the cells and detects balance conditions of each cell. The timer measures pre-balance times and balance times for each cell. The storage unit stores the pre-balance times and balance times. The controller pre-balances the first cell by enabling the first shunt path for a first pre-balance time and balances the first cell by enabling the first shunt path for a first balance time if an unbalance condition of the first cell is detected by the controller, and updates the first pre-balance time for each balancing cycle based on the first pre-balance time and the first balance time from a previous balancing cycle. | 2013-08-08 |
20130200851 | METHOD AND APPARATUS FOR POWERING AN ELECTRIC HAND-HELD POWER TOOL DEVICE - An apparatus for powering an electric hand-held power tool device by an output voltage includes at least two connectors for connecting the apparatus to at least two batteries. At least two switches, and a command circuit of the switches, are provided. The command circuit is arranged for commanding the powering of the electric hand-held power tool device by using the battery which presents the highest open circuit voltage if the output voltage is higher than the open circuit voltage of each of the other batteries. And, by using the battery which presents the highest open circuit voltage and at least one other battery if the output voltage is lower than the open circuit voltage of the other battery, the battery which presents the highest open circuit voltage and the at least one other battery being connected in parallel. | 2013-08-08 |
20130200852 | Circuit for Balancing Cells - A cell balancing circuit controlling balanced discharge of a plurality of battery cells, the cell balancing circuit having a balancing part sensing voltages of the battery cells, a controller responsive to an output of the balancing part to select one of the battery cells for discharge of the cell, and a resistance controller controlling discharge of the selected cell. The resistance controller includes at least one discharge circuit connected to the battery cells; and a plurality of resistors connected to output signal channels of the discharge circuit, the resistors being selectively connected in series according to a control signal of the controller to discharge the selected cell. | 2013-08-08 |
20130200853 | ELECTRIC TOOL WITH CONTROLLER OF BATTERY PACK AND THE CONTROL METHOD THEREOF - An Electric tool with a controller for a battery pack and a control method thereof. The electric tool includes a battery pack, an operator and a controller The battery pack includes a plurality of battery cells and a protection circuit module detects and controls a state of charge and discharge of a plurality of battery cells. The operator receives power from the battery pack and converts the received power into physical energy. The controller controls the protection circuit module so as to perform a protection process of the battery pack in a state similar to over-discharge caused in the case in which the power is transferred from the battery pack to the operator and at the same time, the operator does not continuously operate. | 2013-08-08 |
20130200854 | BATTERY, BATTERY SYSTEM AND METHOD FOR DETECTING ABNORMAL STATE OF BATTERY - There is provided a battery system including a battery having a luminescent layer on surfaces of an exterior member thereof, the luminescent layer containing a stress luminescent material that emits light in response to application of mechanical stress, a photodetector device that detects light emission by the stress luminescent material, and abnormality detection means for monitoring the light emission detected by the photodetector device and thus detecting an abnormality in the battery. | 2013-08-08 |
20130200855 | System and Method for Discharging a Battery in a Vehicle after a Crash - In one embodiment, a discharge control system for a vehicle includes an energy storage device supported by the vehicle, a switch, a first load selectively connectable to the energy storage device by the switch, a memory in which program instructions are stored, and a controller operatively connected to the switch and the memory and configured to execute the program instructions to control the switch to a condition in which the energy storage device is operatively connected to the first load based upon a predetermined rate of heat generation of the energy storage device. | 2013-08-08 |
20130200856 | Device and Method for Battery Abnormality Processing - Embodiments in accordance with the present invention provide a battery abnormality processing device for processing abnormalities in a battery pack with multiple battery modules. The battery abnormality processing device includes a detecting unit coupled to the battery modules, a comparison unit coupled to the detecting unit and a processing unit coupled to the comparison unit. The detecting unit detects the temperature at each end of each battery module in the battery pack. The comparison unit determines the abnormalities in the battery pack based on the detected temperatures. The processing unit executes an abnormality handling process if an abnormality is determined. | 2013-08-08 |
20130200857 | METHOD AND APPARATUS FOR CHARGING BATTERY - A method and apparatus for charging a battery of a mobile device are provided. In the apparatus, a processor of the device starts a charging process when a connection of a charger is detected after a booting process of the device is initiated. The processor adjusts electric power by performing at least one of reducing consuming power of the device and raising charging power of the device. When a completion condition of a power adjustment is satisfied, the processor returns the electric power by performing at least one of returning the reduced consuming power to a basic consuming value and returning the raised charging power to a basic charging value. | 2013-08-08 |
20130200858 | ELECTRONIC APPARATUS, CONTROL METHOD OF ELECTRONIC APPARATUS, AND CONTROL PROGRAM OF ELECTRONIC APPARATUS - According to one embodiment, an electronic apparatus includes: a judging section configured to judge whether a current time is in a time slot during which charging of a battery is prohibited and which is set so as to be different from a peak shift time slot; a calculating section configured to calculate an average power consumption while the electronic apparatus is powered on if the judging section judges that the current time is in the battery charging prohibition time slot; a detecting section configured to detect whether the electronic apparatus is in a power-off state or a sleep state; and a charging control section configured to control charging of the battery so that the charging is performed with power that is lower than the calculated average power consumption if the detecting section detects that the electronic apparatus is in a power-off state or a sleep state. | 2013-08-08 |
20130200859 | CAPACITOR DISCHARGE IN A CELL BASED VOLTAGE SOURCE CONVERTER - A method and a device to discharge cell capacitors in a cell based voltage source converter. Each cell has switching elements in half bridge or full bridge configuration and a capacitor in parallel to the half or full bridge. Each cell has two terminals, whereof at least one is between two switching elements. The converter has AC and DC terminals, with the possibility to connect each of the terminals to ground, via a further switching element. A resistor is implemented into at least one of the ground connections. To discharge to capacitors, the switching elements in the respective cells are configured such, that the capacitor is in parallel connection to the terminals. The capacitors are thus discharged via the resistor to ground. | 2013-08-08 |
20130200860 | CHARGE CONTROL METHOD AND DISCHARGE CONTROL METHOD FOR ELECTRIC STORAGE APPARATUS - According to the charge control method of the present invention, as an electric storage means, a group of capacitors is used that include 2n (where n is an integer of 2 or more) electric double layer capacitors, from first to 2n-th electric double layer capacitors, having an equal electrostatic capacity, and that is configured such that adjacent electric double layer capacitors are connected either in series or in parallel by a switch and the 2n-th electric double layer capacitor and the first electric double layer capacitor are connected in parallel by a switch. Among the 2n capacitors Ci constituting the electric storage unit | 2013-08-08 |
20130200861 | BLUFF BODY TURBINE - A passive bluff body is disposed in flowing fluid for generating power. The shape of the bluff body supports a predetermined oscillatory clockwise and counter clockwise movement about a pivot absent the influence of electrical or mechanical devices for biasing the bluff body's motion for a given velocity, or range of velocities, of the fluid flow. | 2013-08-08 |
20130200862 | METHODS AND APPARATUS FOR SUPPLYING THREE PHASE POWER - The present invention provides methods and apparatus for converting a single phase power supply source into a three phase power supply source. The single phase power supply source is utilised as a first output of the three phase power supply source, whilst the second and third outputs of the three phase power supply source are created utilising part of the single phase power supply source combined with a phase shifting inverting circuit. | 2013-08-08 |
20130200863 | BUCK DC-TO-DC CONVERTER HAVING A NOVEL OUTPUT PROTECTION MECHANISM - A buck DC-to-DC converter having a novel output protection mechanism, comprising: a buck converter circuit, having a line input end, a DC output end, a first feedback end, and a second feedback end; a voltage divider, having an input terminal and an output terminal, the input terminal being coupled to the DC output end of the buck converter circuit, and the output terminal coupled to the first feedback end of the buck converter circuit for providing a first feedback voltage; and an output current sensing resistor, having one end coupled to the DC output end of the buck converter circuit, and another end coupled to the second feedback end of the buck converter circuit for providing a second feedback voltage; wherein the buck converter circuit uses the first feedback voltage and the second feedback voltage to generate a protection signal. | 2013-08-08 |
20130200864 | DC-DC CONVERTER AND VOLTAGE CONVERSION METHOD THEREOF - A DC-DC converter and a voltage conversion method thereof are provided. The DC-DC converter includes an output unit, a control unit and a trigger unit. The output unit converts an input voltage into an output voltage. The control unit generates a control signal according to the input voltage, an output feedback voltage related to the output voltage and a reference voltage, so as to make the output unit generate the output voltage. The trigger unit generates a first trigger signal according to the control signal, the output feedback voltage and the reference voltage. When the output feedback voltage is less than the reference voltage by a preset voltage, the control unit controls the output unit to perform a voltage-regulating process to the output voltage in advance. | 2013-08-08 |
20130200865 | SWITCH MODE POWER SUPPLY FOR ENVELOPE TRACKING - There is disclosed an envelope tracked power supply comprising a high bandwidth, low delay closed loop switch mode power supply stage comprising: a pulse width modulator for generating a width modulated pulse in dependence on an input signal and an output voltage of the switch mode power supply stage; a wideband transformer, having a winding of a first side connected to receive the modulated pulse, and a winding of a second side; and an output stage connected to the winding of the second side of the transformer, and for generating the output voltage in dependence on the modulated pulse induced in the winding of the second side. | 2013-08-08 |
20130200866 | SEMICONDUCTOR INTEGRATED CIRCUIT - A semiconductor integrated device includes transistor between input and output terminals, an amplifying device, and a control circuit that activates or deactivates the amplifying device according to an input voltage. When the input voltage is higher than a specified value, the control circuit activates the amplifying device to regulate a monitoring voltage to a value equal to a reference voltage, and outputs a control voltage to act on the gate of the transistor. When the input voltage is lower than the specified value, the control circuit deactivates the amplifying device so that a predetermined gate voltage is applied to the gate of the transistor. | 2013-08-08 |
20130200867 | HIGH SIDE DRIVER CIRCUITRY - One embodiment of the present disclosure provides a method for controlling a power switch that includes converting a control signal to a current pulse signal, where the control signal is referenced to a first reference potential. The method also includes generating a switch drive voltage signal based on the current pulse signal, where the switch drive signal is referenced to a second reference potential. The method also includes controlling the conduction state of a power switch using the switch drive voltage. | 2013-08-08 |
20130200868 | Protection of an N-Channel Transistor - The present document relates to power converters. In particular, the present document relates to a scheme for operating a low side switch of a power converter in the safe operation area. A power converter converting an input voltage to an output voltage is described. The power converter comprises a low side switch configured to couple an inductor to ground during an on-state of the low side switch; wherein the inductor is configured to store energy to be provided to a load at the output of the power converter; and a protection switch in parallel to the low side switch, configured to reduce a voltage drop across the low side switch during at least part of a switch off time of the low side switch. | 2013-08-08 |
20130200869 | DC/DC Converter - Based upon a detection voltage V | 2013-08-08 |
20130200870 | LOW-DROPOUT VOLTAGE REGULATOR HAVING FAST TRANSIENT RESPONSE TO SUDDEN LOAD CHANGE - An apparatus comprising a regulator and a control circuit. The regulator may be configured to generate a regulated voltage in response to (i) a reference input signal, (ii) a pull down signal and (iii) a control signal. The control circuit may be configured to generate the control signal in response to a digital complement of the pull down signal. The regulator and the control circuit have a common supply voltage and ground. The regulator may comprise a pass through device and a protection device. The protection device may respond to the control signal to limit a load voltage that passes through the pass through device. | 2013-08-08 |
20130200871 | DIRECT DRIVE WAVEFORM AMPLIFIER - A high voltage waveform is generated that is similar to a low voltage input waveform. The high voltage waveform is a series of pulses that are applied directly to the device. An error signal controls the frequency, magnitude, and duration of the pulses. A feedback signal derived from the high voltage waveform is compared with the input waveform to produce the error signal. | 2013-08-08 |
20130200872 | LOW POWER CURRENT COMPARATOR FOR SWITCHED MODE REGULATOR - A current comparator comprising a first NMOS transistor having a drain coupled to V | 2013-08-08 |
20130200873 | Methods and Apparatuses for a Soft-Start Function with Auto-Disable - Methods and apparatuses for a soft-start function with auto-disable are described. Such methods and apparatuses can gradually increase a voltage towards a reference voltage using a ramp generator and a control loop and can disable the ramp generator and the control loop once the voltage has reached the reference voltage. | 2013-08-08 |
20130200874 | DC POWER SUPPLY APPARATUS - A direct current (DC) power supply apparatus includes an input unit configured to receive an outside DC power; a plurality of polarity correction units configured to correct the polarity of the outside DC power; a plurality of switch units installed to correspond to each of the plurality of polarity correction units; a detection unit configured to detect a flow of current of the plurality of polarity correction unit; and a control unit configured to determine a polarity correction unit, at which current of DC power flows, among the plurality of correction units based on a detection signal of transmitted from the detection unit, and control the switch unit corresponding to the determined polarity correction unit at an ON position such that the current of DC power flows through the switch unit which is controlled at the ON position. | 2013-08-08 |
20130200875 | ELECTRIC POWER DETECTION SYSTEM - An integration circuit charges a capacitor by a charge current corresponding to a current flowing in a detection resistor provided in an electric power supply path extending to a DCM. A comparison circuit outputs a comparison signal, which changes to one of a high level and a low level in accordance with an integration value corresponding to a charge voltage of the capacitor. A discharge switch discharges the capacitor and stops discharge of the capacitor, when the comparison signal is at the high level and the low level, respectively. A control circuit determines an estimation value of electric power supplied from a battery to a DCM based on a count of edges, at which the signal level of the detection signal changes. | 2013-08-08 |
20130200876 | REGULATING APPARATUS WITH SOFT-START AND FAST-SHUTDOWN FUNCTION - A regulating apparatus with soft-start and fast-shutdown function is applied to a voltage-supplying apparatus. The regulating apparatus includes a soft-start and fast-shutdown circuit, a regulating circuit, and a ground circuit. When voltages are supplied from the voltage-supplying apparatus to the soft-start and fast-shutdown circuit, the regulating circuit, and the ground circuit, the ground circuit is connected to ground, so that the starting time of the regulating circuit is delayed by the soft-start and fast-shutdown circuit. When voltages are not supplied from the voltage-supplying apparatus to the soft-start and fast-shutdown circuit, the regulating circuit, and the ground circuit, the ground circuit is not connected to ground, so that the regulating circuit is shut down fast by the soft-start and fast-shutdown circuit. | 2013-08-08 |
20130200877 | GRADATION VOLTAGE GENERATING CIRCUIT AND LIQUID CRYSTAL DISPLAY DEVICE - A gradation voltage generating circuit includes a resistor ladder circuit and a constant current circuit. The resistor ladder circuit has a plurality of resistors. The constant current circuit is electrically connected to the resistor ladder circuit. The constant current circuit is configured to supply a constant current to the resistor ladder circuit such that the resistor ladder circuit produces a plurality of reference potentials that is configured to be directly supplied to a source driver. | 2013-08-08 |
20130200878 | ULTRA-LOW NOISE VOLTAGE REFERENCE CIRCUIT - A voltage reference circuit comprises a plurality of ΔV | 2013-08-08 |
20130200879 | SYSTEM FOR CHARGING DISPLAYS - A system and method for charging a merchandise item is presented. A power supply system for charging the merchandise item includes: a power supply unit, a power cable with a cable control logic. The power supply unit includes a variable power supply and power supply control logic. The power supply can be attached at one end to a power socket of the merchandise item and at the other end to the power supply unit. The cable control logic reads a power requirement from a charge adaptor logic located near the end of the cable connected to the merchandise item and communicates it over the power cable to the power supply control logic. The power supply control logic controls the variable power supply based, at least in part, on the power requirement so that the variable power supply generates a supplied voltage onto the power cable to power the merchandise item. | 2013-08-08 |
20130200880 | METHOD AND SYSTEM FOR DETECTION OF STANDBY STATUS IN LINEAR AND NON-LINEAR CHARGES CONNECTED TO THE ELECTRICITY MAINS AND AUTOMATIC DISCONNECTION THEREOF - The method permits the detection of ‘standby’ state’ in linear and non-linear loads connected to the power grid and their automatic disconnection, and comprises at least the detection of the normal operating state of at least one load by means of detection, and obtaining the maximum value of the current in said operating state for the determination of the ‘standby state’ of the at least one load. | 2013-08-08 |
20130200881 | INTEGRATED CURRENT SENSING APPARATUS - An integrated current sensing apparatus includes a magnetic-field sensing element, a power supply circuit, an offset adjustment circuit, a gain adjustment circuit and a regulating unit. The magnetic-field sensing element is configured for sensing magnetic field, and correspondingly generating a sensing voltage. The power supply circuit is electrically coupled to the magnetic-field sensing element, for generating a constant current to the magnetic-field sensing element to control the sensing voltage. The offset adjustment circuit is electrically coupled to the magnetic-field sensing element, for adjusting an offset of the sensing voltage. The gain adjustment circuit is electrically coupled to the offset adjustment circuit, for amplifying the sensing voltage to a rated output voltage. The regulating unit is electrically coupled to the power supply circuit, the offset adjustment circuit and the gain adjustment circuit, for controlling the constant current, the offset and a gain value. | 2013-08-08 |
20130200882 | METHODS AND DEVICES FOR DETECTING MAGNETIC INTERFERENCE AFFECTING THE OPERATION OF A MAGNETOMETER - Methods and apparatus employing non-magnetometer navigational sensor data to assist in determining whether a change in a magnetic field detected by a magnetometer is likely due to a source of internal or external magnetic interference, and more generally, whether such interference is likely to be persistent or transient. If the magnetic field data detected by the magnetometer indicates a large change in magnetic field, but the non-magnetometer navigational sensor (e.g., gyroscope) data does not indicate a corresponding change in orientation of the mobile device contemporaneous with the change in magnetic field, then the cause of the magnetic field change may be determined as likely originating from a localized external interference source and the device may prompt the user to move away from the interference source, rather than initiating a recalibration of the magnetometer. | 2013-08-08 |
20130200883 | MAGNETIC FIELD SENSOR - A magnetic field sensor for a position transducer having processing and control electronics for outputtomg signals of the magnetic field sensor and a permanent magnet exciter array has at least three Hall elements for registering the magnetic field direction of the permanent magnet array. The Hall elements are formed and arranged on a semiconductor IC and spaced in such a manner that their active surfaces lie in a common plane parallel to the surface of the semiconductor IC. A single deflecting body made of ferromagnetic material is is produced and installed as an independent component separate from the semiconductor IC, and the mutual distances of the Hall elements on the surface of the semiconductor IC comprise a multiple of the maximum dimensional extent of the Hall elements. | 2013-08-08 |
20130200884 | POSITION SENSOR - A position sensor includes: a stator including an excitation coil and a detection coil each formed in planar shape; and a mover placed to face the stator and provided with a plurality of regions having different magnetic permeability and being arranged periodically in a moving direction of the mover. The excitation coil includes a first excitation coil pattern and a second excitation coil pattern formed adjacent to the first excitation coil pattern. The detection coil includes a detection coil pattern placed between the first excitation coil pattern and the second excitation coil pattern in the moving direction of the mover. The second excitation coil pattern is wound to flow an excitation current in an opposite direction to the first excitation coil pattern. | 2013-08-08 |
20130200885 | ROTATION-ANGLE DETECTION DEVICE - A detection track includes a first detection element group that includes a plurality of first magnetic resistance elements arranged at a pitch λ/(2n) when an order to cancel target harmonic components among a plurality of harmonic components superimposed on a fundamental component of a detection signal for multi-pole magnetic pattern is assumed as n, and a second detection element group that includes a plurality of second magnetic resistance elements arranged at the pitch λ/(2n), a plurality of first dummy magnetic resistance elements arranged among the first magnetic resistance elements, and a plurality of second dummy magnetic resistance elements arranged among the second magnetic resistance elements. Pitches between adjacent magnetic resistance elements among the first magnetic resistance elements and the first dummy magnetic resistance element are equivalent to one another, and pitches between adjacent magnetic resistance elements among the second magnetic resistance elements and the second dummy magnetic resistance element are equivalent to one another. | 2013-08-08 |
20130200886 | POSITION DETECTING DEVICE AND METHOD FOR PRODUCING A MARKING ARRANGEMENT FOR A POSTION DETECTING DEVICE - The present invention provides a position detecting device for detecting a positional relationship between a first component ( | 2013-08-08 |
20130200887 | DEVICE FOR GENERATING A SENSOR SIGNAL AND METHOD FOR DETERMINING THE POSITION OF A SENSOR - The invention relates to a device for generating a sensor signal, the profile thereof depending on the position of a magnetic field-generating element relative to the device, with at least two magnetically sensitive sensors disposed along a measurement path, wherein a support field device, which generates a magnetic support field in the magnetically sensitive sensors, has at least in the magnetically sensitive sensors an essentially identical direction and an essentially homogeneous field strength. | 2013-08-08 |
20130200888 | SENSING MAGNET APPARATUS FOR MOTOR - Disclosed is a sensing magnet apparatus for an motor, the apparatus including a disk-shaped plate centrally inserted by a rotation shaft, a ring-shaped sensing magnet so installed as to surface-contact an upper surface of the plate, formed at a position near to a periphery with a main magnet, and formed at a position near to a through hole with a sub magnet, and a separation inhibition unit physically coupling the plate and the sensing magnet to maintain the coupled state between the plate and the sensing magnet. | 2013-08-08 |
20130200889 | DEVICE AND METHOD FOR INDUCTIVE MEASUREMENTS - A method and device for nondestructive and noncontact detection of faults in a test piece, or electrically conductive particles in a liquid flow, moving passed the device, using eddy currents. The test piece or flow is exposed to periodic alternating electromagnetic fields. A periodic electrical signal is detected. The receiver coil signal is digitized with an A/D converter stage. A useful signal is produced from the digitized receiver coil signal with a signal processing unit, and the useful signal is evaluated with an evaluation unit for detecting a fault in the test piece or electrically conductive particles. When overdriving of the A/D converter stage by the receiver coil signal is ascertained by monitoring the curve shape of the digitized receiver coil signal, a part of the receiver coil signal truncated by the A/D converter stage is reconstructed using a mathematical approximation in the digitized receiver coil signal. | 2013-08-08 |
20130200890 | KEROGEN POROSITY VOLUME AND PORE SIZE DISTRIBUTION USING NMR - Method and apparatus for estimating a kerogen (organic) porosity of an earth formation. The method may include using at least one processor to estimate a kerogen porosity using NMR signals indicative to an inorganic porosity and NMR signals indicative of a total porosity for a volume of interest in an earth formation. The apparatus may include an NMR tool configured to acquire NMR signals indicative to an inorganic porosity and NMR signals indicative of a total porosity for a volume of interest in an earth formation. | 2013-08-08 |
20130200891 | NMR DATA ACCURACY AND RESOLUTION BY FORMATION MODELING - Method and apparatus for estimating a parameter of interest of an earth formation using a model based on NMR data, imaging data, and NMR tool response characteristics. The method may include constructing a model of the earth formation. The method may also include constructing a predictive model for estimating the parameter of interest. The apparatus may include an NMR tool and at least one processor configured to estimate the parameter of interest. The apparatus may also include an imaging tool configured to acquire the imaging data. | 2013-08-08 |
20130200892 | Flexible Ordering for Multiple Slice MRI - A method of ordering slices for interleaved MRI is provided that includes selecting a number of interleaved slice locations (N | 2013-08-08 |
20130200893 | Determination of a Measuring Sequence for a Magnetic Resonance System - A method and a measuring-sequence-determining device for determining a measuring sequence for a magnetic resonance system based on at least one intra-repetition-interval time parameter are provided. During the determination of the measuring sequence in a gradient-optimization method, gradient-pulse parameters of the measuring sequence are automatically optimized to reduce at least one gradient-pulse-parameter maximum value. As a boundary condition in the gradient-optimization method, the intra-repetition-interval time parameter is kept constant at least within a specified tolerance value. | 2013-08-08 |
20130200894 | ADAPTIVE ENERGY TRANSFER TO A LOCAL COIL SYSTEM - A method for wireless transfer of energy to a local coil system for a magnetic resonance system is provided. The method includes determining an energy requirement value representing a minimum energy level to be fed to the local coil system, so that the local coil system may carry out a predetermined function over a predetermined time period. Energy is transferred adaptively to the local coil system depending on the energy requirement value. | 2013-08-08 |
20130200895 | OPTICAL HYPERPOLARISATION WITH LIGHT ENDOWED WITH ORBITAL ANGULAR MOMENTUM - A dispenser is provided for producing a nuclear hyperpolarised contrast agent. The dispenser comprises a chamber to receive a compound. A photonic hyperpolarisation system generates an OAM-photonic beam endowed with orbital angular momentum and is arranged to direct the OAM-photonic beam into the chamber so as to generate nuclear hyperpolarisation in the compound. The chamber has an output over which the hyperpolarised compound can be issued. Since the hyperpolarisation is generated ex-vivo, the penetration depth of the OAM-photonic beam in biological tissue is irrelevant for the present invention. | 2013-08-08 |
20130200896 | MEDICAL IMAGING DEVICE COMPRISING A HOUSING UNIT THAT HAS A CASING SHELL AND METHOD FOR PRODUCING A CASING SHELL OF THE MEDICAL IMAGING DEVICE - A medical imaging device includes a detection unit and a housing unit that surrounds the detection unit and has at least one casing shell The at least one casing shell includes a netlike supporting structure unit and an elastic spring-mass unit. | 2013-08-08 |
20130200897 | METAMATERIAL LINERS FOR HIGH-FIELD-STRENGTH TRAVELING-WAVE MAGNETIC RESONANCE IMAGING - A liner for a bore of a waveguide is provided. The liner as an aperture passing through it and is formed of a metamaterial that has a relative electrical permittivity that is negative and near zero. When the liner is installed in the waveguide, it lowers the cutoff frequency of the waveguide while allowing the waveguide to remain hollow. This liner can be used in the bore of an MRI machine to lower the cutoff frequency of the bore of the MRI machine to allow the MRI machine to operate using waves having a lower frequency that if the liner was not used. | 2013-08-08 |
20130200898 | Digital Amplitude Control and Digital Phase Control of a High-Frequency Signal - A method for digital amplitude control and digital phase control of a high-frequency signal is provided. A digital command signal specifies in complex form, including a real subcomponent and an imaginary subcomponent, an amplitude and a phase of the high-frequency signal that is to be controlled. A digital activation signal is output to a high-frequency unit for the purpose of generating the high-frequency signal. A digital signal deviation value is received in complex form including a real subcomponent and an imaginary subcomponent. The signal deviation value expresses a deviation of the high-frequency signal from the command signal with respect to the amplitude and the phase. The digital activation signal is determined from the command signal while taking into consideration the signal deviation value. The determination of the real subcomponent and the imaginary subcomponent takes place separately in each case. | 2013-08-08 |
20130200899 | MAGNETIC RESONANCE IMAGING APPARATUS - A magnetic resonance imaging apparatus provided with an RF receiver having a power producing module configured to produce power that is to be supplied to the RF receiver through an RF pulse which is applied to a subject from an RF transmitting coil, the magnetic resonance imaging apparatus including an RF receiver provided with an RF transmitting coil configured to apply an RF pulse to a subject to excite an atomic nucleus, and with a power producing module configured to produce power by receiving the RF pulse applied by the RF transmitting coil. | 2013-08-08 |
20130200900 | MRI PHANTOM WITH A PLURALITY OF COMPARTMENTS FOR T1 CALIBRATION - Disclosed herein is a magnetic resonance imaging calibration assembly in particular, for dynamic contrast—enhanced magnetic resonance imaging. An exemplary magnetic resonance imaging calibration assembly according to the present disclosure can comprise a subject receptacle for receiving at least a portion of a subject. The exemplary magnetic resonance imaging calibration assembly can further comprise a plurality of phantom compartments, each of which can contain a calibration phantom with a predetermined known T relaxation time. The plurality of phantom compartments can be attached to the subject receptacle in different ways. For example, according to some exemplary embodiments of the 10 present invention, the phantom compartments are separate compartments attached or fixed onto the subject receptacle. According to other exemplary embodiments, the phantom compartments can be formed at least partially by the subject receptacle. The phantom can be for a T1 calibration making use of its known T1. | 2013-08-08 |
20130200901 | PHASE SYNCHRONIZED BURIED OBJECT LOCATOR APPARATUS, SYSTEMS, AND METHODS - Buried object locator systems including transmitters and associated buried object locators using phase-synchronized signals are disclosed. A transmitter may generate output current signals that are phase-synchronized such that an associated locator may receive magnetic field signals from the output current signal and determine information about the current flow based on independent phase-synchronization timing information. | 2013-08-08 |
20130200902 | DIAGNOSIS APPARATUS FOR ELECTRIC STORAGE APPARATUS, AND ELECTRIC STORAGE APPARATUS - A diagnosis apparatus performing a diagnosis for reuse of an electric storage apparatus including a plurality of electric storage elements connected electrically in series includes a voltage sensor detecting a voltage of each of a plurality of blocks, the plurality of electric storage elements being divided into the blocks; a current sensor detecting a current in the electric storage apparatus; and a controller calculating an internal resistance of each of the blocks based on outputs from the voltage sensor and the current sensor. The controller specifies the highest of the internal resistances of the plurality of blocks as a criterion to perform the diagnosis for the reuse of the electric storage apparatus. | 2013-08-08 |
20130200903 | BATTERY CURRENT SENSOR - Battery current sensor comprising a battery post connection clamp portion ( | 2013-08-08 |
20130200904 | METHOD AND ARCHITECTURE FOR DETECTING INACCESSIBLE ELECTRICAL ANOMALIES BY MEANS OF REFLECTOMETRY - Detection and location of electrical faults in a network of metal structures which can receive electric cables and allow return of current by the cables. The reflectometry-based method involves injecting a probe signal into a cable coupled to the structures and analyzing the signal reflected by the anomalies. A conductive element is provided for carrying the probe signal at a constant distance from each structure. In one aspect, an insulated conductive element is arranged inside the metal structure and is built into a longitudinal groove in a surface for receiving a longitudinal plastic holder wedged into the structure. The reflected signal from the conductive element is compared to a threshold above which an anomaly is detected, and the anomaly is located by topological correlation. The invention is useful for airplane raceways having a composite skin. | 2013-08-08 |
20130200905 | Capacitance-Based Moisture Sensor - A capacitance-based moisture sensor may include a sleeve having an internal cavity, a container filled with soil or other material inserted into the internal cavity, and a pair of ring-shaped conductive bands around the exterior of the sleeve forming a capacitor and providing a frequency output. The rings positioned around a perimeter of the sleeve may be connected to a fixed inductor to form an oscillator with a variable frequency output. The sensor may be calibrated from the frequency output for each of a plurality of substances, measuring the volumetric water content for saturation of the material, and determining at least one fitting constant in an equation wherein volumetric water content is a function of the frequency output and a plurality of fitting constants. | 2013-08-08 |
20130200906 | METHOD FOR DETECTING PRESSURE ON TOUCH SENSING ELEMENT AND ELECTRONIC DEVICE USING THE SAME - A method for detecting pressure on a touch sensing element includes the steps of: providing a first potential difference to two electrodes of a first film; charging a capacitor with a division voltage of the first potential difference; sampling a charged voltage of the capacitor to obtain a plurality of first voltage values and calculating a first voltage variation according to the plurality of first voltage values; comparing the first voltage variation with a threshold value; and post-processing at least one of the first voltage values when the first voltage variation is smaller than the threshold value. The present disclosure further provides an electronic device. | 2013-08-08 |
20130200907 | System And Method Of Using An Electric Field Device - A biometric scanner having an electric field device and a method of using that scanner are disclosed. The electric field device (a) has no electric field generator or an electric field generator that is prevented from providing an electric field to a biometric object, such as a finger, and (b) has an electric field sensor array comprised of a plurality of electric field sensors. Capacitance readings from the sensor array are used to generate values that are attributed to locations corresponding to the sensors. | 2013-08-08 |
20130200908 | METHOD AND APPARATUS FOR ACCELERATING DEVICE DEGRADATION AND DIAGNOSING THE PHYSICAL CHANGES OF THE DEVICE DURING THE DEGRADATION PROCESS - Embodiments of the present invention comprise methods and apparatus for testing devices. In some embodiments, a method for testing a device includes operating the device in a stress inducing mode using a first set of conditions for a first period of time; determining a first value for a plurality of device parameters after the first period of time; operating the device in the stress inducing mode using the first set of conditions for a second period of time; determining a second value for the plurality of device parameters after the second period of time; and determining if one or more components of the device has at least one of failed or physically changed by comparing the first and second values for the plurality of device parameters. | 2013-08-08 |
20130200909 | SENSOR SELF-DIAGNOSTICS USING MULTIPLE SIGNAL PATHS - Embodiments relate to systems and methods for self-diagnostics and/or error detection using multiple signal paths in sensor and other systems. In an embodiment, a sensor system comprises at least two sensors, such as magnetic field sensors, and separate signal paths associated with each of the sensors. A first signal path can be coupled to a first sensor and a first digital signal processor (DSP), and a second signal path can be coupled to a second sensor and a second DSP. A signal from the first DSP can be compared with a signal from the second DSP, either on-chip or off, to detect faults, errors, or other information related to the operation of the sensor system. Embodiments of these systems and/or methods can be configured to meet or exceed relevant safety or other industry standards, such as safety integrity level (SIL) standards. | 2013-08-08 |
20130200910 | 3-DIMENSIONAL INTEGRATED CIRCUIT TESTING USING MEMS SWITCHES WITH TUNGSTEN CONE CONTACTS - A test system for testing a multilayer 3-dimensional integrated circuit (IC), where two separate layers of IC circuits are temporarily connected in order to achieve functionality, includes a chip under test with a first portion of the 3-dimensional IC, and a test probe chip with a second portion of the 3-dimensional IC and micro-electrical-mechanical system (MEMS) switches that selectively complete functional circuits between the first portion of the 3-dimensional IC in a first IC layer to circuits within the second portion of the 3-dimensional IC in a second IC layer. The MEMS switches include tungsten (W) cone contacts, which make the selective electrical contacts between circuits of the chip under test and the test probe chip and which are formed using a template of graded borophosphosilicate glass (BPSG). | 2013-08-08 |
20130200911 | Test System with Test Trays and Automated Test Tray Handling - A test system may be provided in which devices under test are loaded into test trays. Each test tray may include clamps for retaining a device under test within the test tray. The test tray may be configured to transmit test tray identification information to facilitate tracking of the device under test associated with the test tray. The test tray may include engagement features configured to receive corresponding engagement features on a computer-controlled loading arm. The loading arm may be used to move the test tray and associated device under test to a test fixture for testing. A contact extending structure may be retained in the test tray and may be configured to mate with the device under test. Contact pads on the contact extending structure may be mated with corresponding contacts on the test fixture to form an electrical connection between the device under test and the test fixture. | 2013-08-08 |
20130200912 | Test System With Test Trays and Automated Test Tray Flipper - A test system may be provided in which devices under test (DUTs) are loaded into test trays. Test trays may be moved between test stations using a conveyor belt. The test system may include loading equipment for placing test trays on the conveyor belt at desired intervals. Each test tray may be tested using test stations positioned along the conveyor belt. A first group of test stations may be configured to test DUTs in their upright orientation, whereas a second group of test stations may be configured to test DUTs in their inverted orientation. Test tray flipping equipment may be interposed between the first and second groups of test stations. The flipping equipment may include a movable arm configured to receive an incoming tray, grab the tray, lift the tray from the conveyor belt, rotate the tray, and drop off the tray back onto the conveyor belt. | 2013-08-08 |
20130200913 | Testing System with Test Trays - A test system may be provided in which devices under test are loaded into test trays and tested at a plurality of test stations. To test a device under test at a given test station, the test tray may be installed into a test fixture at the test station. Test equipment at each test station may communicate with the device under test via the test fixture and the test tray. Each test tray may have a spring-loaded corner portion that may be used to secure the device under test to the test tray. The test tray may have contacts that mate with corresponding contacts at each test fixture and may have a built in cable that connects to the device under test. The test fixture may have a detector that can detect whether or not a test tray is present on the test fixture. | 2013-08-08 |
20130200914 | Methods and Systems for Cleaning Needles of a Probe Card - A method of cleaning needles of a probe card in a test system includes mounting the probe card, which has a plurality of device under tests (DUTs) and needles, in a card mounting part. The DUTs and needles are scanned using a camera positioned in the test system to provide a scan result. A laser beam is focused on at least one of the needles based on the scan result and the laser beam is irradiated on the at least one of the needles to clean the at least one of the needles. | 2013-08-08 |
20130200915 | Test System with Test Trays and Automated Test Tray Handling - A test system may be provided in which devices under test (DUTs) are loaded into test trays. Test trays may be tested at test stations. Test trays may be moved between test stations using a conveyor belt system. Each test station may include test equipment for testing DUTs and automated loading equipment for latching incoming test trays moving along the conveyor belt. The automated loading equipment may include a first movable arm configured to pick up a test tray from the conveyor belt and a second movable arm. The first arm may hand off (transfer) the test tray to the second arm. The second arm may move the test tray towards associated test equipment for testing. Upon completion of testing, the second arm may drop off the test tray onto the conveyor belt. Multiple layers of test stations may be stacked on top of each other for improved test throughput. | 2013-08-08 |
20130200916 | Testing System with Mobile Storage Carts and Computer-Controlled Loading Equipment - A test system may be provided in which devices under test undergo various types of testing. A first test location may have test equipment for testing input/output devices in the devices under test. A second test location may have test equipment for testing wireless communications circuitry in the devices under test. A mobile storage cart having shelves may be used to store the devices under test and to convey the devices under test between test locations. The storage cart may be configured to engage with a stationary frame structure at a test location. Actuators underneath the storage cart may be used to position the storage cart in a desired location. Distance sensors may be used to obtain status information about each shelf in the storage cart. A computer-controlled loading structure may be used to load the devices under test from the storage cart into test enclosures. | 2013-08-08 |
20130200917 | Test System with Hopper Equipment - A test system may be provided in which devices under test (DUTs) are loaded into test trays. Test trays may be moved between test stations using a test conveyor belt. The test system may include loading equipment for placing test trays on the test conveyor belt at desired intervals. The loading equipment may include a feed conveyor belt, tray support structure, and at least one computer-controlled grabber. Test trays may be placed on the feed conveyor belt by test personnel or automated loader. The grabber may be used to transport an incoming test tray from the feed conveyor belt to the support structure. The test tray may be temporarily docked at the support structure. The grabber may then transport the test tray from the support structure to the test conveyor belt so that the DUT on the test tray can be passed to the various test stations for testing. | 2013-08-08 |
20130200918 | TESTING APPARATUS FOR PHOTOVOLTAIC CELLS - The present invention allows simultaneous measurement of current and voltage produced by a PV cell by removably pressing first and second parallel spaced apart closely adjacent sensing conductors, electrically insulated from each other, onto a current carrying conductor on a front side of the PV cell to make electrical contact therewith, while removably pressing at least one reference contact to a reference conductor on the rear side of the PV cell to make electrical contact therewith. Current is conducted from the current carrying conductor on the front side, through the first sensing conductor to current measuring circuitry and through the at least one reference contact back to the rear side reference conductor. Voltage is sensed at the second sensing conductor relative to the rear side reference conductor, using voltage measuring circuitry. | 2013-08-08 |
20130200919 | Method And Apparatus For Determining At Least One Operating Parameter Of A Thermoelectric System In A Vehicle - A method is provided for determining at least one operating parameter of a thermoelectric system in a vehicle, wherein the thermoelectric system comprises an energy conversion device having at least one photovoltaic element for converting thermal radiation, which is emitted by a heat source of the vehicle, into electrical energy. The method includes measuring an electrical power of the photovoltaic device, and determining an operating parameter of the thermoelectric system based on the measured electrical power of the photovoltaic device. | 2013-08-08 |
20130200920 | POWER SUPPLY TEST SYSTEM - A power supply test system for testing reliability of a power supply includes a voltage input circuit, a voltage storage circuit, a voltage output circuit, and a discharge circuit. The voltage input circuit receives a first AC voltage, and converts the first AC voltage to a first DC voltage to charge the voltage storage circuit. The voltage storage circuit receives the first DC voltage, and discharges to the power supply via the voltage output circuit when the voltage storage circuit is fully charged. The voltage storage circuit discharges remaining voltages via the discharge circuit when the test is complete. | 2013-08-08 |
20130200921 | DATA TAG CONTROL FOR QUANTUM-DOT CELLULAR AUTOMATA - The present disclosure relates to methods and systems for data tag control for quantum dot cellular automata (QCA). An example method includes receiving data, associating a data tag with the data, communicating the data tag along a first wire-like element to a local tag decoder, reading instructions from the data tag using the local tag decoder, communicating the instructions to a processing element, communicating the data along a second wire-like element to the processing element, and processing the data with the processing element according to the instructions. A length of the first wire-like elements and a length of the second wire-like element are approximately the same such that communication of the instructions and the data to the processing element are synchronized. | 2013-08-08 |
20130200922 | PHASE FREQUENCY DETECTOR AND CHARGE PUMP FOR PHASE LOCK LOOP FAST-LOCKING - The present invention provides for a solution to reduce locking time with satisfactory performance without the need for significant footprint area for the phase lock loop (PLL) circuits by boosting phase frequency detector (PFD) and charge pump (CP) gains through various circuitry configurations that employ one or more flip-flops, delay elements and advanced circuitry techniques. | 2013-08-08 |