| 11th week of 2012 patent applcation highlights part 20 |
| Patent application number | Title | Published |
|---|
| 20120062153 | RF CAVITY USING LIQUID DIELECTRIC FOR TUNING AND COOLING - A system for accelerating particles includes an RF cavity that contains a ferrite core and a liquid dielectric. Characteristics of the ferrite core and the liquid dielectric, among other factors, determine the resonant frequency of the RF cavity. The liquid dielectric is circulated to cool the ferrite core during the operation of the system. | 2012-03-15 |
| 20120062154 | Flywheel System Using Wire-Wound Rotor - A flywheel is described having a rotor constructed of wire wound onto a central form. The wire is prestressed, thus mitigating stresses that occur during operation. In another aspect, the flywheel incorporates a low-loss motor using electrically non-conducting permanent magnets. | 2012-03-15 |
| 20120062155 | Retarding Grid Cooling System and Control - A cooling system ( | 2012-03-15 |
| 20120062156 | AUTOMATIC DETECTION OF A MECHANICALLY COMMUTATED DC MOTOR - In order to automatically detect a mechanically commutated DC motor, it is provided to acquire an electrical engine size, to determine current ripples in the engine size, to evaluate the amplitude, the duration and/or time position of the detected current ripples and to compare to known ripple patterns, and to choose from a known key data table a number of key data assigned to a certain engine type, when the amplitude, during and/or time position of the detected current ripples correspond to a ripple pattern, which is assigned to the engine type. | 2012-03-15 |
| 20120062157 | BRUSHLESS MOTOR CONTROL DEVICE AND BRUSHLESS MOTOR SYSTEM - Provided are a brushless motor control device and a brushless motor system capable of preventing impossibility of intended control of a brushless motor resulting from false recognition that the brushless motor is in operation in spite of stoppage of the brushless motor. A brushless motor control unit calculates a voltage instruction, representing voltages to be applied to the brushless motor, according to a control instruction supplied from an upper control device. A position error calculation unit calculates and estimates a position error between d-q-axes and dc-qc-axes as rotational coordinate axes by use of the voltage instruction outputted by the brushless motor control unit, current values acquired by a coordinate transformation unit and revolution speed for control of the brushless motor. A fault detection unit judges whether the brushless motor is faulty or not based on the position error calculated by the position error calculation unit. | 2012-03-15 |
| 20120062158 | ELECTRONIC CONTROL APPARATUS FOR A VEHICLE - An electronic control apparatus for a vehicle, which operates a power conversion circuit connected to a rotating machine used as an in-vehicle traction unit to control controlled variables of the rotating machine, includes a controlling arithmetic processing unit which performs arithmetic processing to control the controlled variables of the rotating machine, and a monitoring arithmetic processing unit which monitors the controlling arithmetic processing unit. The monitoring arithmetic processing unit includes an on-monitoring prohibition unit which prohibits outputting an operation signal from the controlling arithmetic processing unit to the power conversion circuit until the controlling arithmetic processing unit is confirmed to be in a normal condition. | 2012-03-15 |
| 20120062159 | DC BRUSHLESS MOTOR SYSTEM AND THE METHOD THEREOF - A DC brushless motor system is disclosed. When a rotor of the DC brushless motor is close to an aligned position, there will be current spike in the coil and voltage spike in an input capacitor. By decreasing the peak current limit of the current in the coil when the rotor is close to the aligned position, the current spike and the voltage spike are reduced. | 2012-03-15 |
| 20120062160 | Permanent Magnet Motor with Stator-Based Saliency for Position Sensorless Drive - A permanent magnet motor for position sensorless drive operation provides a stator design that exhibits a saliency (machine asymmetric) functionally dependent on rotor position as caused by periodic magnetic saturation of stator structure. This saturation property is caused by rotor zigzag leakage flux from surface permanent magnets. The stator structure may be designed to further saturate from zigzag leakage flux to provide greatest spatial saliency in the quadrature phase for motor position sensorless position estimation. The position, velocity, and shaft torque can be extracted by measuring the phase current from the stator coil of permanent magnet motor. | 2012-03-15 |
| 20120062161 | ROTOR POSITION DETECTION AT STANDSTILL AND LOW SPEEDS USING A PMG TO OPERATE A WOUND FIELD SYNCHRONOUS MACHINE - A method of operating a WFSM in a motoring mode determines a relative position of a PMG rotor with respect to the WFSM rotor. A PMG is coupled to the WFSM via a coupling shaft. A relative difference between the WFSM rotor position and the PMG rotor position is determined based on carrier injection sensorless (“CIS”) stimulation signals. The relative difference between the PMG rotor and the WFSM main machine in conjunction with the PMG rotor position is used to determine the WFSM rotor position during motoring operation of the main machine. A stator of the WFSM main machine is energized to maintain operation of the WFSM in response to the detected main rotor position. | 2012-03-15 |
| 20120062162 | BRUSHLESS ELECTRIC MACHINE - The brushless electric machine includes a first drive member ( | 2012-03-15 |
| 20120062163 | WIPER CONTROL APPARATUS - In a wiper control apparatus, a water drop detector outputs an output signal in accordance with water drops adhering to a windshield of a vehicle. When a traveling determination portion determines that the vehicle is traveling, a first level setting portion sets a sensitivity for detecting the output signal to a first sensitivity. When the traveling determination portion determines the vehicle is not traveling, a second level setting portion sets the sensitivity for detecting the output signal to a second sensitivity that is larger than the first sensitivity. A water drop adhesion determination portion determines that water drops adhere to the windshield when a determination waiting time elapses in a state where detection of the output signal continues. A driving control portion controls a wiper driving portion to drive the wiper when the water drop adhesion determination portion determines that water drops adhere to the windshield. | 2012-03-15 |
| 20120062164 | APPARATUS AND METHOD OF CONTROLLING AN ELECTRIC OIL PUMP DRIVING MOTOR - In an apparatus for controlling a sensorless electric motor that drives an electric oil pump, in a case where a rotational speed of the motor deviates from a first range defined between a first upper limit value and a first lower limit value, a rotational speed limiting section generates a current command signal acting for controlling the rotational speed of the motor to suppress deviation of the rotational speed of the motor from the first range, and in a case where deviation of the rotational speed of the motor from the first range is continued for a predetermined time or more, the rotational speed limiting section sets a second range defined between a second upper limit value and a second lower limit value which are respectively displaced from the first upper limit value and the first lower limit value in a direction in which the deviation is continued. | 2012-03-15 |
| 20120062165 | DUAL-SPEED SINGLE-PHASE AC MOTOR - A dual-speed single-phase AC motor, including: a stator, including a stator core, and a coil winding, including a starting winding, a first main winding, and a second main winding, a rotor, and a starting circuit, including a rectifying and voltage-stabilizing circuit, a detecting circuit, a voltage comparison circuit, a first switching circuit, a second switching circuit, and a third switching circuit. The number of poles of the starting winding is the same as that of the first main winding. The number of poles of the first main winding is less than that of the second main winding. | 2012-03-15 |
| 20120062166 | Integrated Fuel Processor and Fuel Cell System Control Method - The present invention provides a novel method of controlling a mobile, integrated fuel processor and fuel cell system that utilizes an innovative combination of feedback and feed forward control loops maintain the reformer temperature and hydrogen permeate pressure in the system with the operating parameters of the fuel reformer being adjusted to achieve rapid and more reliable load following when transient conditions occur. | 2012-03-15 |
| 20120062167 | DC-DC CONVERTER - A DC-DC converter includes a power conversion unit, a load amount detector, a charge detector that detects whether or not a battery is being charged, a switching frequency setting unit, and a switching controller. The load amount detector detects a load amount of the power conversion unit. The switching frequency setting unit sets a switching frequency of a switching element based on the load amount when the charge detector detects that the battery is not being charged, and sets the switching frequency of the switching element to a predetermined value when the charge detector detects that the battery is being charged. | 2012-03-15 |
| 20120062168 | CHARGING CONTROL DEVICE - A charging control device stores expected driving start time of each of motor vehicles and controls charging operations of the motor vehicles in such a manner as to finish charging a battery mounted to each of the motor vehicles by the corresponding expected driving start time. The charging control device includes a storage unit for storing the expected driving start time of each of the motor vehicles; and a control unit for searching the motor vehicles to find a specific motor vehicle whose charging is expected to be finished by the expected driving start time and causing the specific motor vehicle to discharge an electric power to be used in charging at least one of the motor vehicles other than the specific motor vehicle. | 2012-03-15 |
| 20120062169 | RECHARGEABLE BATTERY UNIT AND PORTABLE ELECTRONIC APPLIANCE - There is provided an accumulator unit for insertion into a portable electronic device. The accumulator unit has an integrated charging unit and a charging port. The charging port is freely accessible in the inserted and non-inserted condition of the accumulator unit. | 2012-03-15 |
| 20120062170 | ROBOT BATTERY CHARGING STATION - A battery charging station, for a robot, includes a base, two side-walls barriers, a stop, a supporting arm, a charging connector, and a transmitter. The side-walls barriers are separately mounted on the base. The stop is mounted on the back of the base to form a docking space together with the barriers and the base. The supporting arm is mounted on the stop by one free end thereof with the other end extending into the space over the docking space. The charging connector is mounted on the free end of the supporting arm and is configured for providing an electrical connection between the robot and a power source. The transmitter is positioned on the upper surface of the supporting arm and is configured for emitting signals for the robot to locate the re battery charging station. | 2012-03-15 |
| 20120062171 | Surgical Sterilizer With Integrated Battery Charging Device - A device for charging at least one rechargeable battery of a battery-operated surgical instrument that comprises a sealed container operable to enclose and create a microbial seal around the battery. The sealed container permits surgical sterilization and inductive charging of the battery while the battery is enclosed therein. The device further comprises an inductive charging assembly having a power receiver sub-assembly inside the sealed container and electrically coupled to the battery whereby the power receiver sub-assembly is operable to receive electrical power inductively from outside the sealed container and to charge the battery electrically coupled to the power receiver sub-assembly. A power supply is disposed outside the sealed container and supplies power inductively to the power receiver sub-assembly through the sealed container such that the sealed container is not structurally breached. | 2012-03-15 |
| 20120062172 | RESONANCE TYPE NON-CONTACT CHARGING DEVICE - A resonance type non-contact charging device includes a high frequency power source, a primary side resonant coil, a secondary side resonant coil, a charger, a secondary battery, and a stop control unit, The primary side resonant coil receives supply of high frequency electric power from the high frequency power source. The secondary side resonant coil is arranged apart from the primary side resonant coil in a non-contact manner. The secondary side resonant coil receives electric power from the primary side resonant coil through magnetic field resonance between the primary side resonant coil and the secondary side resonant coil. The charger receives supply of high frequency electric power from the secondary side resonant coil. The secondary battery is connected to the charger. The stop control unit stops the high frequency power source before stopping the charger when charging is to be stopped. | 2012-03-15 |
| 20120062173 | WIRELESS POWER SUPPLY APPARATUS, WIRELESS CHARGING APPARATUS, AND WIRELESS CHARGING SYSTEM USING THE SAME - A wireless charging apparatus and a wireless charging system using the same are provided. The wireless charging apparatus includes a sensing resonator that senses for an external device; a transmission resonator that transmits energy to the external device by magnetic resonance; and a transmission circuit that controls the transmission resonator in accordance with an output of the sensing resonator. | 2012-03-15 |
| 20120062174 | POWER RECEIVING DEVICE AND WIRELESS POWER FEED SYSTEM - An electric field coupling type wireless power feed system including a power transmitting device and a power receiving device which is unlikely to be affected by a noise and which has a reduced size is provided. A capacitive coupling type wireless power feed system includes a power receiving device including a first electrode using an oxide semiconductor film, and a battery and a power transmitting device including a second electrode, wherein the battery is charged by a voltage generated based on an electric field generated between the first electrode and the second electrode. The charging of the battery may be stopped by applying a positive direct-current voltage from a charge control circuit to the first electrode. | 2012-03-15 |
| 20120062175 | STORAGE TRAY WITH CHARGING - A wireless charging system includes a charging pad including a base having a coil. The charging pad includes an electrical connector connected to the coil for supplying power to the coil. The charging pad can be connected by an AC cord to a household AC outlet via the electrical connector. The charging pad can also be connected to a vehicle connector for connecting the charging pad to a vehicle electrical supply. In this manner, the wireless charging pad can be used for both home and vehicle charging. | 2012-03-15 |
| 20120062176 | INTEGRATED CHARGER-INVERTER FOR A PERMANENT MAGNET/INDUCTION MOTOR DRIVE OF AN ELECTRIC OR HYBRID ELECTRIC VEHICLE - A vehicle includes an energy storage system (ESS) rechargeable using electrical power from an off-board AC power supply, a traction power inverter module (TPIM), one or two motors, and a controller. The TPIM has two inverters. The controller energizes designated semiconductor switches of the TPIM and designated induction coils of the motor to boost electrical power from the AC power supply for charging the ESS when the vehicle is not running. With two motors, a contactor allows induction coils of a first motor to be connected to the switches of the first inverter as an input filter, and an additional semiconductor switch is positioned between the ESS and an output side of the switches of the second inverter. A controller charges the ESS by energizing designated semiconductor switches of the TPIM and induction coils of the motor to charge the ESS without using an onboard battery charger module. | 2012-03-15 |
| 20120062177 | Apparatus for Storing a Structure Within an Electronic Device - An apparatus is disclosed that is adapted to reside in a bay of an electronic device having an interface adapted to engage a suitable structure. In an embodiment, the apparatus lacks the suitable connector to engage the device bay interface. Alternatively, the apparatus is adapted to reside in the bay of the electronic device and is configured to couple to only a portion of an electrical interface in the device bay such that the apparatus is charged when it resides in the device bay. In an additional embodiment, a game controller comprises first and second portions comprising respective interfaces and a hinge configured to enable the portions to move with respect to one another. | 2012-03-15 |
| 20120062178 | Flashlight Charger - A flashlight charger is disclosed, wherein a bottom plate provided with a pressing element and an electrically conducting part is fixedly connected to a top plate that partially covers the pressing element and the electrically conducting part. A flashlight to be charged is aligned and connected with the flashlight charger and then pushed backward relative to the flashlight charger to allow the charging terminals at one end of the flashlight charger to make good electrical contact with the corresponding charging ends of the flashlight while the flashlight is securely fastened with the flashlight charger. When charging is completed, the flashlight can be removed from the flashlight charger rapidly and conveniently. The flashlight charger features good and stable electrical contact in use. | 2012-03-15 |
| 20120062179 | POWER SOCKET HAVING CHARGING INTERFACE - A power socket with charging interface is provided, wherein the power socket comprises at least one power hole, at least one charging interface and a holding arm, which holding arm being slidably disposed on the main body of the power socket, and one fixed end of the holding arm and one side of the power socket together constituting a containing slot for accommodating a portable electronic device, in which the holding arm may inwardly or outwardly slide so as to adjust the position of the fixed end. Since the width of the containing slot is adjustable, the power socket is allowable for placement of portable electronic devices of various sizes and specifications. | 2012-03-15 |
| 20120062180 | POWER SUPPLY UNIT - A power supply unit includes: (A) a housing having a shape like a polygonal column; (B) a secondary battery cell contained in the housing; (C) charge/discharge control means contained in the housing and connected to the secondary battery cell; (D) at least one power input section disposed on the housing and connected to the charge/discharge control means; and (E) at least one power output section disposed on the housing and connected to the charge/discharge control means. | 2012-03-15 |
| 20120062181 | APPARATUS AND METHOD FOR CHARGING OF BATTERY IN PORTABLE TERMINAL - An apparatus and method for charging of a battery in a portable terminal. The apparatus includes a charge management unit and a controller. The charge management unit determines a predefined charge threshold value and a battery voltage, compares the battery voltage with the threshold value, and determines if the battery voltage is suitable for normal operation of the portable terminal. If it is determined by the charge management unit that the battery voltage is not suitable for normal operation, the controller sends a power supply request to an external device. | 2012-03-15 |
| 20120062182 | Intelligent Power Supply - Described herein is technology for, among other things, a power supply for connection with and supplying power to an electronic device, and/or for charging a battery thereof. The power supply includes an input for receiving input power, an output for providing DC output power to the electronic device, and circuitry operable to determine an attribute of the battery and adjusting a charging characteristic of the power supply based on the attribute. | 2012-03-15 |
| 20120062183 | ELECTRONIC DEVICE AND CHARGING METHOD THEREOF - An electronic device and a charging method thereof are provided, wherein the electronic device has a battery and is connected to a power supply. In the charging method, it is determined whether a current time of the electronic device is in a specific time interval. During the specific time interval, it is determined whether a remaining power of the battery is more than a lower bound of power. If yes, the battery is stopped form being charged and the battery is solely used to keep the electronic device working; otherwise, the power supply is controlled and an intermittence charging procedure is used to charge the battery in accordance with the lower bound of power. While not in the specific time interval, a normal charging procedure is used to charge the battery. By switching between the two different charging procedures, purposes of charging effectively and lowering electricity bills are both achieved. | 2012-03-15 |
| 20120062184 | WIRELESS SELF-SUFFICIENT MONITORING SYSTEM FOR A DOOR LOCK MECHANISM - The invention relates to a monitoring system for monitoring a state of a door lock mechanism of a door or of a closure of a storage space of a means of transportation, comprising a generator and a sensor/actuator. The generator produces electrical energy from vibration energy, and the sensor detects the state of the door lock mechanism. The sensor uses the kinetic energy that is produced by the actuation of the door lock to generate an electrical signal, which is then transmitted to a microcontroller. | 2012-03-15 |
| 20120062185 | POWER SOURCE GENERATION CIRCUIT AND INTEGRATED CIRCUIT - A power source generation circuit includes a regulator circuit which receives an external power source voltage VDDA from an external power source, and generates a predetermined internal power source voltage on a given terminal VDD; and a charging circuit which connects the external power source and the given terminal when the external power source voltage VDDA supplied from the external power source is equal to or lower than a predetermined threshold voltage. | 2012-03-15 |
| 20120062186 | METHOD OF CONTROLLING AN ENERGY STORAGE UNIT IN A VEHICLE MICRO-HYBRID SYSTEM - A method of controlling a supercapacitor energy storage unit ( | 2012-03-15 |
| 20120062187 | AUXILIARY POWER DEVICE, MEMORY SYSTEM HAVING THE SAME, AND CELL BALANCING METHOD THEREOF - An auxiliary power device includes an auxiliary power source having first and second charging cells connected in series, a cell balance circuit configured to sense a charging voltage between the first and second charging cells, generate a balance voltage based on the sensed charging voltage, and applies the generated balance voltage between the first and second charging cells, and a microprocessor configured to diagnose the first and second charging cells based on the sensed charging cells and control the cell balance circuit. | 2012-03-15 |
| 20120062188 | POWER SUPPLY DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE POWER SUPPLY DEVICE - A power supply device includes an AC generation part having a sinusoidal wave generation part generating a first sinusoidal wave signal, an integrator integrating a difference between the first sinusoidal wave signal and a feedback signal, a triangular wave generation part generating a triangular wave signal, a comparator comparing an output of the integrator and the triangular wave signal and outputting a PWM signal, a switching drive part amplifying the PWM signal and outputs an amplified PWM signal, a filter converting the amplified PWM signal into a second sinusoidal wave signal, a transformer increasing a voltage of the second sinusoidal wave signal and outputting an AC voltage, and a voltage divider dividing the AC voltage and generating the feedback signal, and a DC generation part generating a DC voltage. The power supply device superimposes the AC voltage and the DC voltage and outputs a superimposed voltage. | 2012-03-15 |
| 20120062189 | Switching regulator and control circuit and control method thereof - The present invention discloses a switching regulator, and a control circuit and method for controlling a switching regulator. The switching regulator includes a power stage driven by a driver voltage outputted from a driver circuit. The present invention detects an input current to generate an input current detection signal, and adjusts an operation voltage supplied to the driver circuit according to the input current detection signal. | 2012-03-15 |
| 20120062190 | DC-DC CONVERTERS - This application relates to switch mode DC-DC converter circuitry having a power switch operably connected between a supply node and an inductor node. The DC-DC converter has switch control circuitry for driving the power switch which is configured to controllably vary the rate of at least one of turn-on or turn-off of the first power switch. The rate may be based on the operational conditions of the converter, e.g. inductor current, one or more supply voltages and/or operating mode or activity level of a host device. By increasing the rate at which the switch turns-on or off switch transition power losses can be reduced. However a faster switching speed can lead to an increased voltage stress on the circuitry. Embodiments of the present invention varying the rate or turn-on and/or turn-off of the switch to reduce power losses but remain with the safe operating limits for the circuitry. | 2012-03-15 |
| 20120062191 | DC-TO-DC CONVERTER - In general, according to one embodiment, a DC-to-DC converter includes a high-side switch, a low-side switch, a diode, a high-side controller and a low-side controller. The low-side switch is connected in series with the high-side switch. The diode is connected in parallel with the low-side switch. The high-side controller has a detector for detecting a current of the high-side switch and controls the high-side switch to be turned on or off in accordance with an output of the detector. The low-side controller controls the low-side switch to be turned off when the high-side switch is ON and controls the low-side switch to be turned on or off in accordance with a peak value of the output of the detector when the high-side switch is OFF. | 2012-03-15 |
| 20120062192 | Voltage Regulator - To provide a voltage regulator capable of stably obtaining a desired output voltage even in a low-voltage operation with a voltage equal to or lower than 1 V, the voltage regulator includes a switch array in which a plurality of switches are connected in parallel, a switch state register storing an ON or OFF state of each of the switches in the switch array, and a comparator comparing a reference voltage and a voltage of an output terminal coupled to an output of the switch array and outputting a comparison result as a digital value, and a state of each of the switches in the switch array is changed by updating a value of the switch state register in accordance with the output of the digital value from the comparator. | 2012-03-15 |
| 20120062193 | VOLTAGE REGULATION CIRCUIT - A voltage regulation circuit including a differential input unit, a source follower and a driving unit is provided. The differential input unit has a first input terminal and a second input terminal for receiving a reference voltage and a system voltage respectively. Further, the differential input unit compares the reference voltage and the system voltage and accordingly generates a control voltage. The source follower is electrically connected between the differential input unit and the driving unit, and generates an adjustment voltage according to the control voltage. The differential input unit, the source follower and the driving unit form a feedback loop, so that the driving unit fixes a source voltage to the system voltage according to the adjustment voltage. | 2012-03-15 |
| 20120062194 | HIGH SIDE CONTROLLER CAPABLE OF SENSING INPUT VOLTAGE AND OUPUT VOLTAGE OF A POWER CONVERSION CIRCUIT - A high side controller capable of sensing input voltage and output voltage of a power conversion circuit, including: a first switch, having a control end and two channel ends, the control end being coupled to a gate signal, and one of the two channel ends being coupled to a voltage signal, wherein the voltage signal is proportional to a negative version of the input voltage when the gate signal is active; an inverting amplification circuit, having an input end coupled to the other one of the two channel ends, and an output end for providing a first processed voltage; and a first sample and hold circuit, having a control input end coupled to the gate signal, an input end coupled to the first processed voltage, and an output end for providing a first sample voltage. | 2012-03-15 |
| 20120062195 | ACTIVE WIRE COMPENSATION CIRCUIT AND CONTROLLER WITH THE SAME - An active wire compensation circuit, adapted to compensate a level of an output voltage detecting signal, is disclosed. A feedback controller controls a converting circuit according to the compensated output voltage detecting signal to have a load voltage for driving a load stabilized at a predetermined voltage level. The active wire compensation circuit comprises a compensating unit and a feedback compensating unit. The compensating unit detects the load current flowing through the load and accordingly generates a compensating current. The feedback compensating unit modulates the level of the output voltage detecting signal according to the compensating current and generates the compensated output voltage detecting signal. | 2012-03-15 |
| 20120062196 | CONVERTING CONTROLLER - The present invention employs a pin of a controller to set an over current protection value and a time period respectively by means of time-division and/or voltage and current. Therefore, the cost of the controller is reduced due to reducing the amount of pins thereof. Furthermore, the time period is not only used to setting a constant on time, but also used to setting a constant off time and an operating frequency for different controlling mode. | 2012-03-15 |
| 20120062197 | ELECTRONIC DEVICE AND METHOD FOR DISCRETE LOAD ADAPTIVE VOLTAGE REGULATION - The invention relates to an electronic device which comprises a voltage regulator for providing a regulated output voltage to an electronic circuit and a control stage coupled to control the voltage regulator. The control stage is further configured to detect a request for a change of a system configuration of the electronic circuit coupled to receive the output voltage of the voltage regulator, to determine an activity factor of the electronic circuit for the requested system configuration, to determine a system clock frequency of a system clock of the electronic circuit, to determine a required current drive level of the voltage regulator based on the activity factor, the system clock frequency or the product of both, and to adjust the current drive level of the voltage regulator to the requested current drive level. | 2012-03-15 |
| 20120062198 | REGULATOR AND DC/DC CONVERTER - A regulator and a DC/DC converter are provided in which a soft start is carried out even when an output is short-circuited by abnormality. Regulator includes soft start circuit that gradually starts up a reference voltage that is input into error amplifier from 0 V to the reference voltage and soft start reset circuit that monitors an input of error amplifier and performs soft start of soft start circuit again when an output of output terminal Vo is short-circuited. Soft start reset circuit includes comparator that is disposed in parallel with an input of error amplifier, offset voltage that gives an offset to the input of comparator, and NPN transistor that is turned on or off in accordance with a result of comparison of comparator and discharges capacitor C by being turned on when the output is short-circuited. | 2012-03-15 |
| 20120062199 | III-Nitride Power Converter Circuit - An integrated circuit that includes a power stage and a driver stage, all stages using III-nitride power devices. | 2012-03-15 |
| 20120062200 | VOLTAGE REGULATION DEVICE AND SYSTEM EMPLOYING THE SAME - A voltage regulation device employed in a voltage regulation system is for a motherboard power supply. The voltage regulation device includes a first sampling module, a voltage regulation module, a second sampling module, and a main controller. The first sampling module samples current and voltage signals from a power source through the motherboard power supply. The voltage regulation module outputs adjustable drive voltages for the motherboard power supply controlled by the main controller. The second sampling module samples current and voltage signals of the drive voltages from the motherboard power supply. The main controller receives the current and voltage signals, and converts the current and voltage signals from the first sampling module and the second sampling module to corresponding input power and output power, respectively, and the input power and the output power are calculated to generate conversion efficiencies of each drive voltage. | 2012-03-15 |
| 20120062201 | COMPARATOR TYPE DC-DC CONVERTER USING SYNCHRONOUS RECTIFICATION METHOD - A DC-DC converter | 2012-03-15 |
| 20120062202 | APPARATUS AND METHOD FOR TRACKING MAXIMUM POWER POINT AND METHOD OF OPERATING GRID-TIED POWER STORAGE SYSTEM USING THE SAME - An apparatus for tracking a maximum power point includes a converter unit for converting a first power, outputted from a solar cell module, into a second power and a maximum power point control unit for searching for a maximum power point voltage and an open-circuit voltage corresponding to a temperature and solar radiation of the solar cell module, decreasing voltage of the first power from the open-circuit voltage to the maximum power point voltage in a soft-start manner, and then performing Maximum Power Point Tracking (MPPT) control according to a Perturbation and Observation (P&O) algorithm. | 2012-03-15 |
| 20120062203 | APPARATUS FOR WIRELESS POWER TRANSMISSION AND RECEPTION - Provided is a wireless power transmission system to increase efficiency in wireless power transmission. A wireless power transmitter may include: one or more capacitors; a power inputting unit configured to receive power from a power supply and to charge the one or more capacitors; a transmitting unit configured to transmit resonance power; and a switching unit configured to control electrical connection of the one or more capacitors to the power inputting unit and to the transmitting unit. A wireless power receiver is also described. | 2012-03-15 |
| 20120062204 | Digital Voltage Converter Using A Tracking ADC - The disclosed DC-to-DC converter circuit comprises a tracking ADC configured to drive a DC-to-DC converter. In particular, the tracking ADC is configured to receive an analog feedback voltage from the output of the DC-to-DC converter. The analog feedback voltage is compared to an analog reference voltage and based upon the comparison a digital ADC output signal, comprising a digital code, is generated to drive the DC-to-DC converter. The digital ADC output signal is received by the DC-to-DC converter, which is configured to compare the digital code to a target code value. Based upon this comparison, the digital signal drives operation of the DC-to-DC converter by indicating whether the output of the DC-to-DC converter will be adjusted (e.g., by telling the DC-to-DC converter to increase its output voltage, to decrease its output voltage, or to keep its output voltage the same). Other systems and methods are also disclosed. | 2012-03-15 |
| 20120062205 | VOLTAGE COMPATIBLE CHARGE PUMP BUCK AND BUCK POWER SUPPLIES - The present disclosure relates to a flexible direct current (DC)-DC converter, which includes a charge pump buck power supply and a buck power supply. The charge pump buck power supply and the buck power supply are voltage compatible with one another at respective output inductance nodes to provide flexibility. In one embodiment of the DC-DC converter, capacitances at the output inductance nodes are at least partially isolated from one another by using at least an isolating inductive element between the output inductance nodes to increase efficiency. In an alternate embodiment of the DC-DC converter, the output inductance nodes are coupled to one another, such that the charge pump buck power supply and the buck power supply share a first inductive element, thereby eliminating the isolating inductive element, which reduces size and cost but may also reduce efficiency. | 2012-03-15 |
| 20120062206 | MOMENTARILY ENABLED ELECTRONIC DEVICE - A method and apparatus for providing intermittent or interruptible power to an electronic device. The circuit may provide power upon user initiation and interrupt that power in response to a user command, fault state, period of inactivity and so forth. As one example, interruptible power may be initially provided to activate or “power up” an electronic device and constant power provided after the initial activation. The initial powering up of the device may be facilitated by closing two contacts. The circuit may continue to provide power after the button is released through a monitoring and/or feedback mechanism. | 2012-03-15 |
| 20120062207 | Powder Core Material Coupled Inductors And Associated Methods - A multi-phase coupled inductor includes a powder core material magnetic core and first, second, third, and fourth terminals. The coupled inductor further includes a first winding at least partially embedded in the core and a second winding at least partially embedded in the core. The first winding is electrically coupled between the first and second terminals, and the second winding electrically is coupled between the third and fourth terminals. The second winding is at least partially physically separated from the first winding within the magnetic core. The multi-phase coupled inductor is, for example, used in a power supply. | 2012-03-15 |
| 20120062208 | CONDUCTIVE MEMBER EVALUATOR AND CONDUCTIVE MEMBER EVALUATION METHOD - A conductive member evaluator includes a first electrode which has contact with an outer circumferential face of a conductive member, a second electrode which is connected to the shaft center of the conductive member, a voltage applier configured to apply evaluation voltage including at least an AD component between the first electrode and the second electrode, a current value measuring device configured to measure a current value flowing between the first electrode and the second electrode when the evaluation voltage is applied, an extreme value obtaining device configured to obtain at least one extreme value of a maximum value and a minimum value in one cycle of the AD component included in the current value from the current value measured by the current value measuring device; and an evaluation device configured to evaluate the conductive member based on the extreme value obtained by the extreme value obtaining device. | 2012-03-15 |
| 20120062209 | CLOSED-LOOP FLUXGATE CURRENT SENSOR - Electrical current sensor comprising a measuring circuit ( | 2012-03-15 |
| 20120062210 | Process for Detecting Energy Theft - The present invention relates generally to detecting energy theft within an energy distribution system and more particularly to systems and methods for detecting energy discrepancies in voltages and/or currents reported by electric meters present in a distribution circuit, without requiring installation of additional hardware at the transformer. Typically, the location of each of at least two meters is determined with respect to a transformer. The line resistances within the distribution circuit are determined starting with a line resistance farthest from the transformer. Estimated line voltages are determined for at least one electric meter using the estimated line resistances, and the estimated voltages are compared to actual voltage readings for the at least one electric meter. The existence of line loss is determined based on this comparison. | 2012-03-15 |
| 20120062211 | COMPACT ELECTRICAL POWER METER - An electrical power meter for monitoring electrical power supplied to a load comprises a meter case, a plurality of current transformers within the meter case for sensing the electrical current in a plurality of line conductors of a power distribution system, and a plurality of pairs of terminals on the meter case for connecting the meter to the line conductors. The terminals of each pair are located on opposite sides of one of the current transformers, and a current transformer bus bar connects the two terminals and extends through one of the current transformers. A plurality of guides adjacent selected pairs of the terminals position lugs connecting line conductors to the selected pairs of terminals. | 2012-03-15 |
| 20120062212 | Zero Bias Power Detector - A zero bias power detector comprising a zero bias diode and an output boost circuit is provided. The output boost circuit comprises a zero bias transistor. The zero bias diode is not biased but outputs a rectifying signal according to a wireless signal. The zero bias transistor, not biased but coupled to the zero bias diode, is used for enhancing the rectifying signal. | 2012-03-15 |
| 20120062213 | MICROPROBE, RECORDING APPARATUS, AND METHOD OF MANUFACTURING MICROPROBE - According to one embodiment, a microprobe includes a supporting base, an insulating layer, and an electrode layer arrayed in a first direction in this order. A principal surface of the microprobe is formed in a second direction different from the first direction. A step is formed on at least the electrode layer on the principal surface, and the electrode layer is partitioned into a first area and a second area by the step. | 2012-03-15 |
| 20120062214 | CONTACTLESS ELECTRICAL CONNECTOR FOR AN INDUCTION SENSOR, AND SENSOR INCLUDING SUCH A CONNECTOR - An electrical connector between an induction sensor and a cable for transmitting a signal provided by the sensor, including a current transformer with a primary coil and a mechanism for electrically coupling to the sensor, and a secondary coil with a mechanism for electrically coupling to the cable, the primary and secondary coils being attached together by a removable attachment mechanism. | 2012-03-15 |
| 20120062215 | MAGNETIC-BALANCE-SYSTEM CURRENT SENSOR - A magnetic-balance-system current sensor includes: a magnetoresistive element, a resistance value of the magnetoresistive element being changed by applying an induction magnetic field generated by a measurement target current; magnetic cores disposed near the magnetoresistive element; a feedback coil disposed near the magnetoresistive element and configured to generate a cancelling magnetic field that cancels out the induction magnetic field; and a magnetic-field detecting bridge circuit having two outputs. The measurement target current is measured on the basis of a current flowing through the feedback coil when the induction magnetic field and the induction magnetic field and the cancelling magnetic field cancel each other out. The feedback coil, the magnetic cores, and the magnetic-field detecting bridge circuit are formed on a same substrate. The feedback coil is of a spiral type, and the magnetic cores are provided above and below the feedback coil. | 2012-03-15 |
| 20120062216 | TORQUE INDEX SENSOR - The present disclosure relates to a torque index sensor configured to enhance productivity with excellent economic feasibility by simplifying a magnet structure of an index sensor unit, the torque index sensor connected to an input axis and an output axis, the torque index sensor comprising: a housing; an index magnet housed in the housing, connected to the output axis to rotate with the output axis and formed in the shape of a rectangle at a cross-sectional view; and a magnetic device secured to an interior of the housing to output a magnetization signal in response to rotation of the index magnet, such that the shape of the index magnet is simplified to a rectangle to enhance productivity and economic feasibility. | 2012-03-15 |
| 20120062217 | Resolver - In a resolver for determining the relative angular position between two subassemblies, each subassembly includes a winding, the winding being situated inside a housing made up of two housing shells. The housing shells have tabs which are oriented with an axial directional component and joined in interlocking manner with axial overlap at a mutual offset in the circumferential direction. | 2012-03-15 |
| 20120062218 | ROTATION ANGLE DETECTING UNIT - A rotation angle detecting unit includes an IC package having a magnetism detecting element, a sealing body, and leads; and a covering member having a fixing part and a supporting part, which are integrally formed from resin. The element outputs a signal according to change of a magnetic field generated upon rotation of a magnetism generating device attached to a detection object. The sealing body covers the element. The leads are connected to the element, and project from the sealing body. The fixing part is fixed to a supporting body so that the covering member is attached to the supporting body. The supporting part supports the package such that the element can output the signal. The package is press-fitted into the supporting part after its formation, so that the package is supported by the supporting part with a predetermined pressure applied to part of an outer wall of the sealing body. | 2012-03-15 |
| 20120062219 | SENSOR DEVICE FOR MAGNETIC PARTICLES WITH A HIGH DYNAMIC RANGE - The invention relates to a method and a sensor device ( | 2012-03-15 |
| 20120062220 | AGGREGATED SPIN-TORQUE NANO-OSCILLATORS - A nano-oscillator magnetic wave propagation system has a group of aggregated spin-torque nano-oscillators (ASTNOs), which share a magnetic propagation material. Each of the group of ASTNOs is disposed about an emanating point in the magnetic propagation material. During a non-wave propagation state of the nano-oscillator magnetic wave propagation system, the magnetic propagation material receives a polarizing magnetic field. During a wave propagation state of the nano-oscillator magnetic wave propagation system, each of the group of ASTNOs initiates spin waves through the magnetic propagation material, such that a portion of the spin waves initiated from each of the group of ASTNOs combine to produce an aggregation of spin waves emanating from the emanating point. The aggregation of spin waves may provide a sharper wave front than wave fronts of the individual spin waves initiated from each of the group of ASTNOs. | 2012-03-15 |
| 20120062221 | METHOD OF CALIBRATING AN ATOMIC-FUNCTIONING APPARATUS - This method makes it possible to carry out the auto-calibration of the electromagnetic coils ( | 2012-03-15 |
| 20120062222 | MAGNETIC DETECTION DEVICE - An aspect of the present disclosure, there is provided a magnetic detection device including a magnetic detection unit including a magnetic sensor unit and a comparison unit, the magnetic sensor unit detecting a magnetic flux density, amplifying the detection signal and outputting an output signal to the comparison unit as a mode selected from one of a first mode and a second mode of which power consumption is lower than that of the first mode, the comparison unit comparing the output signal and a reference voltage as a threshold level which determines magnetic field being formed or not, and outputting a comparison result, a conversion gain control unit outputting a mode signal based on the comparison result to the magnetic sensor unit as the second mode when the mode signal is larger than the threshold level or as the first mode when the mode signal is smaller than the threshold level so as to control the magnetic sensor unit. | 2012-03-15 |
| 20120062223 | ECONOMICAL MAGNETIC LOCATOR APPARATUS AND METHOD - Magnetic locators for detection of buried objects, such as ferromagnetic objects, are disclosed. Inputs provided from one or more magnetic sensors, such as three three-axis magnetic sensors, as well as from other sensors, such as accelerometers and gyroscopic sensors, may be used to determine magnetic field distortion indicative of ferromagnetic objects and provide output information corresponding to the detected object. | 2012-03-15 |
| 20120062224 | MAGNETIC BALANCE TYPE CURRENT SENSOR - A magnetic balance type current sensor includes a magnetoresistance effect element whose resistance value changes owing to the application of an induction magnetic field from a current to be measured; a feedback coil disposed in the vicinity of the magnetoresistance effect element and generating a cancelling magnetic field cancelling out the induction magnetic field; a magnetic field detection bridge circuit including two outputs causing a voltage difference corresponding to the induction magnetic field to occur; and a magnetic shield attenuating the induction magnetic field and enhancing the cancelling magnetic field, wherein, on the basis of the current flowing through the feedback coil at the time of an equilibrium state in which the induction magnetic field and the cancelling magnetic field are cancelled out, the current to be measured is measured, wherein the feedback coil, the magnetic shield, and the magnetic field detection bridge circuit are formed on a same substrate. | 2012-03-15 |
| 20120062225 | IMAGE DISPLAY APPARATUS, IMAGE DISPLAY METHOD AND MAGNETIC RESONANCE IMAGING APPARATUS - An image display apparatus which displays a form image indicative of a form about an imaging area of a subject and a quantitative value image indicative of quantitative values measured with respect to characteristics of the imaging area, said image display apparatus includes a display unit which displays the form image on a display screen thereof and a specific area setting unit which sets a specific area at the form image displayed on the display screen by the display unit. When the specific area is set at the form image by the specific area setting unit, the display unit displays the quantitative value image on the display screen side by side with the form image in such a manner that the quantitative value image indicates the quantitative values measured with respect to a position corresponding to the specific area set at the imaging area. | 2012-03-15 |
| 20120062226 | DEVICE FOR PARTICULATE NMR SAMPLES IN A FLUID AND RELATED METHODS - Devices and related methods for nuclear magnetic resonance (NMR) analysis of particulate materials are provided including a detector chamber configured for insertion into an NMR spectrometer and configured to receive particulate materials in a fluid. A circulation chamber is attached to and in fluid communication with a first end of the detector chamber. A transition region is between the detector chamber and the circulation chamber, and a fluid supply interface is at a second end of the detector chamber that is configured to attach to a fluid source. The detector chamber, the circulation chamber and the transition region are sized and configured such that, when fluid flows from the fluid supply interface into the second end of the detector region, a circulating current is formed in the transition region and/or the circulation chamber such that the particulate matter is contained in the circulation chamber by the circulating current. | 2012-03-15 |
| 20120062227 | METHOD FOR MAGNETIC RESONANCE IMAGING USING INVERSION RECOVERY WITH ON-RESONANT WATER SUPPRESSION INCLUDING MRI SYSTEMS AND SOFTWARE EMBODYING SAME - Featured are methods for magnetic resonance imaging of a volume, such a volume having susceptibility-generating objects or interfaces having susceptibility mismatches therein. Such a method includes selectively visualizing one of susceptibility-generating objects or interfaces having susceptibility mismatches as hyperintense signals, where such visualizing includes controlling variable imaging parameters so as to control a geometric extent of a signal enhancing effect, m more particular aspects of the present invention, such selectively visualizing includes attenuating or essentially suppressing signals from fat and/or water, namely on-resonant water protons, so as to thereby enhance a signal(s) associated with magnetic susceptibility gradient(s). Also featured are MRI systems, apparatuses and/or applications programs for execution on a computer system controlling the MRI data acquisition process embodying such methods. | 2012-03-15 |
| 20120062228 | PREPARATION OF POLYAMIDE BLOCK COPOLYMERS - This invention relates to the preparation of polyamide block copolymers by sequential monomer addition. More particularly, it relates to catalysts capable of copolymerizing not only cyclic amides, but other monomers such as cyclic esters and epoxides as well, using sequential addition so as to produce useful and novel block copolymers. | 2012-03-15 |
| 20120062229 | Method And System For Magnetic Resonance Imaging, And Use Thereof - The present invention refers to a method for magnetic resonance imaging or nuclear magnetic resonance spectroscopy comprising emitting a radio frequency and gradient pulse sequence towards an object being subjected to a magnetic field, wherein said object comprises a molecule having an atom with a nuclear spin differing from 0, encoding, detecting and acquiring a magnetic resonance signal from said object corresponding to said emitted radio frequency and gradient pulse sequence, wherein the radio frequency and gradient pulse sequence comprises a first weighting block, a mixing block with duration t | 2012-03-15 |
| 20120062230 | ACTIVE TRANSMIT ELEMENTS FOR MRI COILS AND OTHER ANTENNA DEVICES - Apparatus and method that includes amplifiers for transceiver antenna elements, and more specifically to power amplifying an RF (radio frequency) signal using a distributed power amplifier having electronic devices (such as field-effect transistors) that are thermally and/or mechanically connected to each one of a plurality of antenna elements (also called coil elements) to form a hybrid coil-amplifier (e.g., for use in a magnetic-resonance (MR) imaging or spectroscopy machine), and that is optionally adjusted from a remote location, optionally including remotely adjusting its gains, electrical resistances, inductances, and/or capacitances (which controls the magnitude, phase, frequency, spatial profile, and temporal profile of the RF signal)—and, in some embodiments, the components are compatible with, and function in, high fields (such as a magnetic field of up to and exceeding one tesla or even ten tesla or more and/or an electric field of many thousands of volts per meter). | 2012-03-15 |
| 20120062231 | RADIO FREQUENCY (RF) COIL FOR MRI HAVING HIGH THERMAL CONDUCTIVITY - An MRI apparatus and method is disclosed comprising a magnetic resonance imaging (MRI) system having a plurality of gradient coils positioned about a bore of a magnet, and an RF transceiver system and an RF switch controlled by a pulse module to transmit RF signals to an RF coil assembly to acquire MR images. The RF coil assembly comprises an RF tube, a plurality of electrically conductive members disposed around the RF tube and configured to transmit RF excitation pulses, a plurality of electrical components coupled to the electrically conductive members, and at least one thermally conductive substrate mounted upon the RF tube, wherein one of the plurality of electrically conductive members and the plurality of electrical components is mounted to the at least one thermally conductive substrate and is in thermal contact therewith. | 2012-03-15 |
| 20120062232 | TRANSMIT COIL ARRANGEMENT FOR A MAGNETIC RESONANCE DEVICE AND MAGNETIC RESONANCE DEVICE - A transmit coil arrangement for a magnetic resonance device includes a plurality of individually actuatable conductor loops following one after another in a peripheral direction and a longitudinal direction on a cylinder surface. At least two groups, at a distance from one another in the peripheral direction, of at least two conductor loops following one after the other in the longitudinal direction are provided in the peripheral direction. To decouple the at least two groups, each of the at least two groups is bounded at least in the peripheral direction by at least one screen surface extending essentially in a radial direction and the longitudinal direction. | 2012-03-15 |
| 20120062233 | INPUT IMPEDANCE OF LOW NOISE PREAMPLIFIERS USED FOR MRI - A preamplifier ( | 2012-03-15 |
| 20120062234 | DISTINGUISHING FALSE SIGNALS IN CABLE LOCATING - Discriminating between a cable locating signal and a false cable locating signal is described. A reference signal, which contains a locating signal frequency impressed on it, is transmitted in a way which provides for detection of a phase shift between the locating signal and the false locating signal. Based on the phase shift, a receiver is used to distinguish the locating signal from the false locating signal. | 2012-03-15 |
| 20120062235 | DOWNHOLE SENSOR ASSEMBLY AND METHOD OF USING SAME - A sensor assembly for sensing downhole parameters is provided. The sensor assembly is positionable in a downhole tool deployable into a subterranean formation to form a wellbore. The sensor assembly includes a carrier positionable in the downhole tool, at least one set of three accelerometers, and at least one set of three magnetometers. The carrier includes at least one set of three receptacles. The three receptacles are positioned radially about a periphery of the carrier at equal distances thereabout. The set of three accelerometers are correspondingly positionable in the at least one set of three receptacles, and the set of three magnetometers are correspondingly positionable in the at least one set of three receptacles. The set of three magnetometers includes two physical magnetometers and one virtual magnetometer. The virtual magnetometer is produced from the two physical magnetometers. | 2012-03-15 |
| 20120062236 | ORGANIC EL PANEL INSPECTION METHOD, ORGANIC EL PANEL INSPECTION DEVICE, AND ORGANIC EL PANEL - In an organic EL panel inspection method, to determine whether an organic EL panel is good or bad, a plurality of voltages having different values are sequentially applied to the organic EL panel, thereby measuring the respective currents. According to the currents, the following three criteria are checked: criterion (1), whether or not a spike current is present in the measured currents, criterion (2), between when the plurality of voltages are sequentially applied from one direction to the other direction of the voltage and when the plurality of voltages are sequentially applied from the other direction to the one direction, whether or not currents having different current densities occur at the same voltage, and criterion (3), the absolute value of the current density of current flowing when a predetermined voltage in the reverse direction is applied to the organic EL panel. | 2012-03-15 |
| 20120062237 | Method and Apparatus for Charging a Battery - A method of testing a battery is provided the method may include: (a) applying a heavy load to the battery, (b) measuring the voltage V | 2012-03-15 |
| 20120062238 | Battery Controller and Voltage Abnormality Detection Method - A battery controller for controlling an assembled battery configured by connecting battery groups each including battery cells, includes: voltage measuring units that are provided respectively for the battery groups each to measure a voltage of each of the battery cells included in a corresponding battery group; a minimum value detecting unit that detects a minimum value of the battery cells for each of the battery groups based upon the measured voltage of each of the battery cells; a reference value setting unit that sets a reference value used to determine an abnormal voltage drop for each of the battery groups based upon the measured voltage of each of the battery cells; and an abnormality determining unit that makes a determination that an abnormal voltage drop is present, if a difference between the reference value and the minimum value exceeds a predetermined value, for each of the battery groups. | 2012-03-15 |
| 20120062239 | DIRECTIONAL FAULT SECTIONALIZING SYSTEM - A directional fault sectionalizing system that utilizes one phase voltage measurement and three phase current measurements to determine the directionality of high impedance faults on a three phase electric power circuit. This eliminates the need for two of the three voltage measuring devices at each monitoring station conventionally required to determine fault directionality, which makes it economical to install at a greater number of distribution tap points. The system is particularly useful for commonly used three-way tap points along distribution lines where three phase voltage measurement is not readily available. The system is capable of identifying faults under challenging circumstances, such faults occurring on unbalanced three phase power lines and faults occurring on tapped line segments where the currents are relatively small compared to the currents flowing in the main line segments. | 2012-03-15 |
| 20120062240 | CURRENT DETECTION CIRCUIT - An object is to widen detection range of current. A current detection circuit includes a first resistor, which is connected to a first connection terminal and a second connection terminal; a second resistor, which is connected to the first resistor; a third resistor, which is connected to the first resistor; a first transistor, a source of which is connected to the second resistor; a second transistor, a source of which is connected to the third resistor, and a drain and a gate of which is connected to a gate of the first transistor; a third transistor, a source of which is connected to the source of the second transistor, and a gate of which is connected to the drain of the first transistor; and a fourth resistor, which is connected to the drain of the third transistor, and to which a voltage is input. | 2012-03-15 |
| 20120062241 | DEVICE FOR PROTECTING A CONNECTOR AND A COMMUNICATIONS WIRE OF A MEMORY CARD READER - A device is provided for protecting an electronic payment terminal that includes an electronic printed circuit board and a casing. The device includes at least one capacitive detector in a volume formed by a first ground plane of the printed circuit and a second ground plane positioned on an internal surface of the casing, the at least one capacitive detector being configured to deliver a reference capacitance. A capacitive measurement microprocessor detects a variation of capacitance of the at least one capacitive detector. A transmitter transmits the variation when an absolute value of a difference between the reference capacitance and the measured capacitance exceeds a predetermined threshold. | 2012-03-15 |
| 20120062242 | INDUCTIVE PROXIMITY SWITCH - An inductive proximity switch for detecting the presence of an object in a monitored area includes a coil ( | 2012-03-15 |
| 20120062243 | Conductivity Measurement Device, Its Manufacture And Use - The invention relates to a method of manufacturing a device for measuring conductivity of a liquid, in particular ultrapure water, of the kind comprising two conductivity measurement electrodes suitable for defining a cell constant enabling the measurement of the conductivity of the ultrapure liquid, characterized in that it consists of producing each of the electrodes by forming an electrode pattern from electrically conductive material on a substrate of insulating material. | 2012-03-15 |
| 20120062244 | READOUT SYSTEM FOR MEMS-BASED CAPACITIVE ACCELEROMETERS AND STRAIN SENSORS, AND METHOD FOR READING - A method and an electronic readout circuit for measuring a capacitance of a MEMS sensor are disclosed. In one aspect, the readout circuit includes: an input stage for receiving a first signal from the sensor and for presenting a second signal; a charge amplifier stage for amplifying and integrating the second signal; and a control logic for controlling the readout circuit according to a predefined timing relation synchronized to actuation voltages applied to the sensor for generating the first signal. The readout circuit may further includes a first switching unit for applying a first reference voltage to the sensor and a second switching unit for applying the second signal to the charge amplifier stage, wherein the first and the second switching units are controlled according to the predefined timing relation such that a plurality of the second signals are accumulated. | 2012-03-15 |
| 20120062245 | Pressure Sensing Apparatuses and Methods - Sensors, sensing arrangements and devices, and related methods are provided. In accordance with an example embodiment, an impedance-based sensor includes a flexible dielectric material and generates an output based on pressure applied to the dielectric material and a resulting compression thereof. In certain embodiments, the dielectric material includes a plurality of regions separated by gaps and configured to elastically deform and recover in response to applied pressure. | 2012-03-15 |
| 20120062246 | Ultraprecision Non-Contact Three-Dimensional Probing System Based On Spherical Capacitive Plate - An ultraprecision non-contact three-dimensional probing system based on a spherical capacitive plate has a probe ( | 2012-03-15 |
| 20120062247 | TEST SYSTEM AND METHOD - A test system for testing a capacitive touch sensor is provided. The test system includes a resistor, a signal generator and a micro controller. A first end of the resistor is electrically connected to a sensing port of the capacitive touch sensor. The signal generator provides a test voltage to a second end of the resistor according to control information. In this way, the resistor generates a test current according to the test voltage, and the capacitive touch sensor provides a voltage difference to the sensing port according to a plurality of switching signals, and converts the test current into test information. The micro controller generates the control information according to a test table, and compares the test information according to the test table, so as to determine whether an operation of the capacitive touch sensor is normal. | 2012-03-15 |
| 20120062248 | TOUCH SENSING APPARATUS AND METHOD FOR DETECTING APPROACH - A touch sensing apparatus includes an approach sensing electrode unit including a plurality of first approach sensing electrode arrays disposed on a substrate and a plurality of second approach sensing arrays disposed adjacent to the first approach sensing electrode arrays, a voltage supply unit to supply a voltage to any of the first approach sensing electrode arrays and the second approach sensing electrode arrays, a signal generation unit to generate an approach sensing signal by detecting a variation of capacitance generated between the first approach sensing electrode arrays and the second approach sensing electrode arrays, the variation of capacitance occurring in a 3-dimensional (3D) approach sensing region, and an information generation unit to generate contact information corresponding to the approach sensing signal generated by the signal generation unit. | 2012-03-15 |
| 20120062249 | Distributed Electricity Metering System - Apparatus and methods are provided for the measurement of a power factor at points of interest, such as circuit breakers, machines, and the like. Accordingly, means are provided for measurement of a power factor for each electrical sub-network that is controlled by a circuit breaker. Each apparatus is enabled to communicate its respective data, in an environment of a plurality of such apparatuses, to a management unit which is enabled to provide finer granularity power factor profiles. | 2012-03-15 |
| 20120062250 | CAPACITIVE TOUCH SENSOR AND CAPACITIVE TOUCH APPARATUS - An exemplary capacitive touch sensor includes a first wire-like electrode and a second wire-like electrode. The first wire-like electrode includes at least a first main wire and multiple first sub-wires, the first main wire continuously extends along a first direction, and the first sub-wires are electrically connected with the first main wire. The second wire-like electrode includes at least a second main wire, and the second main wire continuously extends along a second direction different from the first direction. Moreover, the first wire-like electrode and the second wire-like electrode are electrically insulated from each other and each is made of an opaque conductive material. The second main line is arranged crossing over the first main wire. Furthermore, a capacitive touch apparatus using the above-mentioned capacitive touch sensor is provided. | 2012-03-15 |
| 20120062251 | METHODS AND DEVICES FOR ACQUIRING AN OIL SAMPLE AND MONITORING THE QUALITY THEREOF - Methods and devices are disclosed which can provide an indication of oil quality by measuring a capacitive property of the oil. The methods and/or devices may use a sample acquisition probe comprising a microvolume oil acquisition basin with a capacitive sensing element that is located on the floor of the basin and that is laterally bounded by an oleophilic wetting feature. The methods may involve immersing a sample acquisition probe at least partially into a supply of oil and withdrawing the probe from the supply of oil such that a microvolume oil sample is retained within a microvolume oil acquisition basin of the probe, and measuring a capacitive property of the microvolume oil sample with a capacitive sensing element that is located in the basin. | 2012-03-15 |
| 20120062252 | PROTECTION DEVICE, CORRESPONDING METHOD AND COMPUTER SOFTWARE PRODUCT - A device is provided for protecting an electronic payment terminal, which includes at least one printed circuit and one casing. The device includes at least one capacitive detector having a first part electrically connected to the printed circuit and a second part mounted within the casing of the electronic payment terminal without being electrically connected to the first part. The at least one capacitive detector is configured to deliver a reference capacitance when it is mounted in the electronic payment terminal. The device also includes a capacitive measurement microprocessor electrically connected to the at least one capacitive detector and configured to detect a variation in capacitance of the at least one capacitive detector. The device includes a transmitter for transmitting a piece of information representing the variation in capacitance when an absolute value of a difference between the measured capacitance and the reference capacitance exceeds a predetermined threshold. | 2012-03-15 |
