11th week of 2014 patent applcation highlights part 20 |
Patent application number | Title | Published |
20140070728 | Circuit and Method for Driving LEDs - A circuit for driving light emitting diodes includes a first semiconductor switch that is responsive to a driver signal and a freewheeling device coupled between a first supply terminal that provides a supply voltage and a second supply terminal that provides a reference potential. An LED and an inductor are coupled in series between a common circuit node of the first semiconductor switch and the freewheeling device and either the first supply terminal or the second supply terminal. A current measurement circuit is coupled to the LED and provides a load current signal that represents a load current passing through the at least one LED. A first feedback circuit includes an on-off controller that receives load current signal and a reference signal, compares the load current signal with the reference signal and generates the driver signal dependent on the comparison. | 2014-03-13 |
20140070729 | ILLUMINATION APPARATUS AND STORAGE MEDIUM - There is provided an illumination apparatus including an illumination unit, a reception unit, and a control unit configured to control illumination of the illumination unit in accordance with a default illumination pattern. When the reception unit receives an illumination pattern, the control unit performs illumination control different from the illumination according to the default illumination pattern. | 2014-03-13 |
20140070730 | ARC MANAGEMENT WITH VOLTAGE REVERSAL AND IMPROVED RECOVERY - Systems and methods for arc handling in plasma processing operations are disclosed. The method includes providing current with a power supply to a plasma load at a first voltage polarity and energizing an energy storage device so when it is energized, the energy storage device applies a reverse polarity voltage that has a magnitude that is as least as great as the first voltage polarity. When an arc is detected, power is applied from the energy storage device to the plasma load with a reverse polarity voltage that has a polarity that is opposite of the first voltage polarity, the application of the reverse polarity voltage to the plasma load decreases a level of the current that is provided to the plasma load. | 2014-03-13 |
20140070731 | SYSTEMS AND METHODS FOR MODULAR AND CONFIGURABLE DRIVER SYSTEM FOR LED LIGHTING DEVICES - A modular LED power supply is provided. The modular LED power supply includes a docking module having a plurality of grooves for receiving a plurality of power supply driver modules. The plurality of power supply driver modules are modular in nature and are attached to the plurality of grooves in the docking module based on the power requirements, Also, the modular LED power supply includes a supervisory module for analyzing and controlling the number of power supply driver modules required to be attached to the docking module. | 2014-03-13 |
20140070732 | Dielectric laser electron accelerators - A laser-driven dielectric electron accelerator is composed of a dielectric photonic crystal accelerator structure having an electron beam channel and buried grating whose elements are arranged linearly parallel to the electron beam channel. The accelerator structure preferably has a thin film material coating. The grating may have an asymmetric structure. The accelerator and undulator structures may be integrated with on-chip optical and electronic devices such as waveguide devices and control circuits so that multiple devices can be fabricated on the same chip. | 2014-03-13 |
20140070733 | VEHICLE WINDOW OPENING AND CLOSING CONTROL DEVICE - A vehicle window opening and closing control device has a driver seat unit that is provided in a driver seat of a vehicle, and a sub-switch that is provided in a seat other than the driver seat. The driver seat unit includes a main switch that operates opening and closing of a first window of the driver seat and a second window of the seat other than the driver seat and a controller that controls a driver seat motor provided in the driver seat and an other-seat motor provided in the seat other than the driver seat to perform manual opening and closing and automatic opening and closing of the first and second windows based on the operation of the main switch. The sub-switch is a switch that performs only the manual opening and closing of the second window using the other-seat motor. | 2014-03-13 |
20140070734 | METHOD AND SYSTEM FOR MOTOR SPEED CONTROL - This invention relates to methods and devices for motor speed control. The invention has particular application in the control of motors over packet networks. In embodiments of the invention, phase-locked loop principles are used to remotely control the speed of an electric motor over a packet network. The setpoint for the motor is supplied by arriving timestamps from a speed-mapped variable frequency source. The shaft speed of the motor is measured with a tachometer with its output proportional to the motor speed. Any deviation of the actual speed from the setpoint is amplified by the power amplifier whose output drives the motor. Speed control over packet networks allow smoother operation of a process, acceleration control, different operating speeds for each process recipe, compensation for changing process variables, slow operation for setup purposes, adjustments to the rate of production, accurate positioning, and control torque or tension of a system. | 2014-03-13 |
20140070735 | ELECTRIC MOTOR MODE CONTROL - A vehicle includes one or more inverter-fed electric machines such as permanent magnet synchronous motors. A controller operates an inverter in either six-step mode or PWM mode depending upon motor speed, motor torque, and the inverter input voltage. A method of selecting the operating mode may determine a transition threshold based on the ratio of rotor speed to inverter input voltage, reducing the approximation error associated with multi-dimensional lookup tables. When the speed and voltage vary while maintaining a constant ratio and constant torque, the transition threshold does not change. Consequently, the controller remains in the same mode. | 2014-03-13 |
20140070736 | POWER ELECTRONICS APPARATUS AND CONTROL METHOD FOR AN ELECTRIC MACHINE AND FOR ELECTRICAL ENERGY STORES - A power electronics arrangement includes an inverter to which an electric machine can be connected, and at least one half bridge to which at least two electric energy storage devices can be connected. One of the at least two electric energy storage devices at least temporarily supplies the electric machine, and one of the electric energy storage devices at least temporarily charges another energy storage device of the at least two electric energy storage devices by way of the electric machine and one of the half bridges. For this purpose, a control method for the power electronics arrangement operates according to the principle of space vector modulation. | 2014-03-13 |
20140070737 | HANDHELD WORK APPARATUS HAVING A DRIVE CIRCUIT FOR AN ELECTRIC MOTOR WHICH DRIVES OSCILLATING TOOLS - A handheld work apparatus having an electric motor and a drive circuit for the electric motor. The rotation movement of the motor is converted into an oscillating movement of the work tool via a gear mechanism. The motor is situated in a circuit including at least the motor and a switch for operating the motor. To reduce wear of the gear mechanism, a control unit for operating the motor in one of two directions of rotation is provided. The control unit independently determines a selected direction of rotation for a next operating cycle as a function of a control variable. When the motor is started, the motor is started by the control unit in the direction of rotation which is associated with a value of the control variable. The control variable changes before the motor is restarted for a following operating cycle. The value of the control variable is independently determined again for the following operating cycle. | 2014-03-13 |
20140070738 | ELECTRIC MOTOR TORQUE CONTROL - A vehicle includes one or more inverter-fed electric machines such as permanent magnet synchronous motors. In response to a torque request, a controller issues commands to an inverter calculated to cause the motor to produce the requested torque. A method of operating the inverter may determine the commands based on the ratio of rotor speed to inverter input voltage, reducing the approximation error associated with multi-dimensional lookup tables. When the speed and voltage vary while maintaining a constant ratio and constant torque request, the issued commands produce a winding current in the electrical machine with constant direct and quadrature components. | 2014-03-13 |
20140070739 | ELECTRIC MOTOR TEMPERATURE COMPENSATION - A vehicle includes one or more inverter-fed electric machines such as permanent magnet synchronous motors. In response to a torque request, a controller issues commands to an inverter calculated to cause the motor to produce the requested torque at the current temperature. A method adjusts the direct component of the winding current such that the requested torque is delivered efficiently. For a given rotor speed, bus voltage, and torque, the direct component increases as the temperature increases. | 2014-03-13 |
20140070740 | IMAGE FORMING APPARATUS, MOTOR CONTROL APPARATUS AND MOTOR CONTROL METHOD - An image forming apparatus includes an engine unit to perform an image forming job; an engine control unit to control the operation of the engine unit; a brushless direct current (BLDC) motor to drive the engine unit; a sensor unit to sense electric angle information and driving velocity information of the BLDC motor; a communication interface to receive a digital control command with respect to the BLDC motor from the engine control unit; a driving signal unit to generate a driving signal to control the BLDC motor; and a digital control unit to control the operation of the driving signal unit in a digital phase locked loop (PLL) manner for feedback controls the BLDC motor, based on the received digital control command, the detected electric angle information and the driving velocity information and a digital gain value as a control factor with respect to the BLDC motor. | 2014-03-13 |
20140070741 | ELECTRIC MACHINE TORQUE CAPABILITY DETERMINATION - A vehicle comprises an electric machine configured with at least one controller issuing torque commands with the use of a voltage bus. The controller may be configured to respond to a torque requests based on multiple vehicle system inputs including vehicle speed, position of the accelerator pedal and brake pedal, and various other vehicle data. The controller may respond to a torque request that exceeds a threshold value by issuing torque commands for the electric machine based on a speed of the electric machine and a voltage on the bus. Based on the speed of the electric machine and voltage on the bus, the controller may issue a constant torque output by the electric machine as the speed and voltage vary. Calculating a ratio using speed of the electric machine to voltage on the bus to determine torque capability may result as a constant torque when the ratio is constant. | 2014-03-13 |
20140070742 | SYSTEM AND METHOD FOR IMPLEMENTING A REMEDIAL ELECTRICAL SHORT - A vehicle includes a polyphase, permanent magnet synchronous electric machine, DC and AC buses, a battery module, a traction power inverter module (TPIM), and a controller. The controller, which is in communication with the TPIM, executes a method to detect a fault condition, fixes the pulse width modulation (PWM) duty cycles of all phases of the electric machine to 50% such that all phases switch simultaneously, and applies a polyphase OPEN state to the AC bus in response to the detected fault condition. The controller then transitions to a polyphase SHORT state by automatically inserting an adjustable deadtime at each PWM switching transition of the TPIM over a calculated ramp duration, thereby transitioning from an initial deadtime to a minimum deadtime over the calculated ramp duration. The transition reduces peak overshoot of the negative d-axis current of the machine during the fault condition. | 2014-03-13 |
20140070743 | MOTOR DRIVE DEVICE WITH ALARM LEVEL SETTING UNIT - A motor drive device includes a converter which mutually converts power between AC power and DC power, an inverter which converts the DC power into AC power for driving a motor to output to a motor side, and converts regenerated AC power from the motor side into DC power to output to the DC side, a DC link unit which connects a DC side of the converter and a DC side of the inverter, a voltage detecting unit which detects a DC voltage value, an alarm level setting unit which sets an alarm level of the DC voltage value, an alarm determining unit which determines whether or not the DC voltage value exceeds the alarm level, and an alarm reporting unit which instructs the inverter to stop conversion operation when it is determined that the voltage value exceeds the alarm level. | 2014-03-13 |
20140070744 | METHODS AND SYSTEMS FOR REDUCING CONDUCTED ELECTROMAGNETIC INTERFERENCE - A drive circuit is provided for reducing conducted electromagnetic interference provided by a power line to a motor controller. The power line includes a first alternating current (AC) line output and a second AC line output. The drive circuit includes an EMI filter having a first input terminal, a second input terminal, a first output terminal, and a second output terminal. The first input terminal is configured to be coupled to the first AC line output and the second input terminal is configured to be coupled to the second AC line output. The drive circuit further includes at least two series-coupled filter capacitors positioned after the EMI filter and a power factor correction (PFC) choke. The PFC choke is coupled at a first end to the second output terminal and at a second end between the series-coupled filter capacitors. | 2014-03-13 |
20140070745 | Applied-Voltage Electrical Angle Setting Method For Synchronous Motor, And Motor Control Apparatus - An applied-voltage electrical angle setting method for a synchronous motor includes detecting applied voltage and current of the synchronous motor M, calculating current peak value Ip based on the detected values while calculating present applied voltage phase α, calculating target current phase βtarg based on the current peak value Ip followed by calculating target applied voltage phase αtarg corresponding to the target current phase in a target value setting unit | 2014-03-13 |
20140070746 | CONTROL DEVICE AND METHOD FOR ESTABLISHING THE ROTOR ANGLE OF A SYNCHRONOUS MACHINE - A method for establishing the rotor angle of a synchronous machine. The method includes determining a first estimated value for the d-axis of the synchronous machine, feeding at least one refinement voltage pulse pair into the stator of the synchronous machine, the refinement voltage pulse pairs each distanced from the first estimated value for the d-axis of the synchronous machine by the same angular value in different directions, detecting the angle-dependent refinement current responses to the refinement voltage pulses, determining the angle-dependent refinement phase differences on the basis of the respective detected refinement current response, determining first estimated curves on the basis of at least some of the angle-dependent refinement current responses, determining second estimated curves on the basis of at least some of the angle-dependent refinement phase differences. and determining a refined estimated value for the d-axis of the synchronous machine on the basis of the estimated curves. | 2014-03-13 |
20140070747 | CONTROL DEVICE AND METHOD FOR ESTABLISHING THE ROTOR ANGLE OF A SYNCHRONOUS MACHINE - A method and a device for establishing the rotor angle of a synchronous machine. In one embodiment, the method includes the steps of feeding at least one initial voltage pulse of predefinable pulse length and pulse height into the stator of the synchronous machine, detecting the respective current response to the at least one initial voltage pulse, determining the respective phase difference on the basis of the respective detected current response, establishing at least one first estimated value by comparing the current response with a current response characteristic curve of the synchronous machine, establishing at least one second estimated value by comparing the phase difference with a phase difference characteristic curve of the synchronous machine, forming a multiplicity of differences between each of the first estimated values and each of the second estimated values, and determining an initial estimated value for the rotor angle of the synchronous machine on the basis of the determined difference having the lowest value. | 2014-03-13 |
20140070748 | METHOD AND CONTROL UNIT FOR DETECTING A BLOCKED ELECTRIC MACHINE IN AN ELECTRIC VEHICLE - The invention relates to a method and a control unit, which makes it possible to reliably detect in an electric vehicle whether or not an electric machine is in a blocked state. For this purpose, a current rotational speed of the electric machine ( | 2014-03-13 |
20140070749 | FAN SPEED CONTROL CIRCUIT - A fan speed control circuit is provided. The circuit includes a sensor, a control chip, a first integrated circuit, an integrated operational amplifier, a second integrated circuit, and a feedback comparator. The sensor senses a temperature of an electronic component. The control chip outputs a PWM signal corresponding to the temperature to a fan. The first integrated circuit and the second integrated circuit respectively generate a first equivalent voltage and a second equivalent voltage. The integrated operational amplifier amplifies the first equivalent voltage to generate an upper limit voltage and reduces the first equivalent voltage to generate a lower limit voltage. The feedback comparator compares the second equivalent voltage with the upper limit voltage and the lower limit voltage to generate a comparison value. The control chip adjusts the duty cycle of the PWM signal according to the comparison value, and outputs the adjusted PWM signal to the fan. | 2014-03-13 |
20140070750 | Hybrid Motor - A hybrid motor, having a rotor simultaneously comprising a pair of permanent magnetic poles and a pair of induction magnetic poles. When the magnetic field generated by a stator coil of an electric motor is used to drive the pair of permanent magnetic poles, the electric motor operates as a synchronous motor. When such magnetic field is used to drive the pair of induction magnetic poles, the electric motor operates as an induction motor. According to the operation mode and/or the operation state of the electric motor, a controller (B | 2014-03-13 |
20140070751 | MOTOR CONTROL APPARATUS INCLUDING AT LEAST TWO RESISTANCE DISCHARGE UNITS - A motor control apparatus includes a rectifier for rectifying AC power to output DC power; an inverter for performing power interconversion of DC power of a DC link and AC power being driving power or regenerative power of a motor by being connected to the DC link being a DC output side of the rectifier; and at least two resistance discharge units each for performing resistance discharge of DC power of the DC link, the resistance discharge units each being connected to the DC link, in which each resistance discharge unit starts a resistance discharge operation for performing resistance discharge of DC power of the DC link at a DC voltage value in the DC link exceeding a first threshold value and stops the resistance discharge operation at a DC voltage value in the DC link smaller than a second threshold value below the first threshold value. | 2014-03-13 |
20140070752 | MOTOR CONTROL APPARATUS, MOTOR CONTROL METHOD, CONTROL SYSTEM, AND POSITION ESTIMATION METHOD TO BE USED IN CONTROL SYSTEM - The present invention provides a motor control device capable of operating a robot properly without stopping a motor that operates the robot even when an instantaneous voltage drop occurs. The motor control device | 2014-03-13 |
20140070753 | SYSTEM AND METHOD FOR CONTROL AND ANALYSIS OF A PRIME MOVER IN AN ELECTRICAL MACHINE USING CALCULATED TORQUE - Apparatus for controlling and diagnosing a prime mover of a vehicle traction system includes an alternator having a rotor and coupled to a crankshaft of the prime mover, a source of electrical energy, a position sensor supplying a position signal representative of an angular position of the rotor, and a control computer. The computer supplies energy to the alternator to crank the prime mover at a controlled rate. In a diagnosis mode, the computer generates a condition signal indicative of a malfunction of the prime mover, from a compression signal derived from an acceleration signal which is derived from the position signal. In a barring-over mode, the computer also supplies energy to the alternator and monitors the position signal to place the crankshaft in a desired angular position in an operation separate from diagnosis mode. | 2014-03-13 |
20140070754 | Mining Vehicle - A mining vehicle and a method of operating a mining vehicle. The mining vehicle includes a three or more phase electric drive motor. A nominal power of the drive motor is determined on the basis of a certain drive speed and load, whereby the drive motor has a nominal torque at a certain rotating speed. The drive motor is connected to a traction wheel of the mining vehicle using a fixed gear ratio. The rotation speed of the drive motor is controlled by using a motor controller. That drive motor is operated in a delta connection on the certain drive speed and when necessary the torque of the drive motor at a drive speed lower than the certain drive speed is increased by operating the drive motor in a star connection and simultaneously temporarily overloading the drive motor. | 2014-03-13 |
20140070755 | METHODS AND APPARATUSES FOR CONTROLLING OUTPUT VOLTAGES OF INVERTERS DRIVING ELECTRIC MOTORS - A method of controlling an output voltage of an inverter driving an electric motor may include calculating a current total harmonic distortion (THD) of a current output to the electric motor; comparing the current THD with a reference current THD; determining a pulse width modulation (PWM) method to be changed from a first modulation method that reduces harmonic components of the current output to the electric motor to a second modulation method when the current THD is less than the reference current THD, the PWM method modulating a pulse width of a control pulse signal for controlling the output voltage of the inverter; and/or generating the control pulse signal based on the determined PWM method. | 2014-03-13 |
20140070756 | METHOD FOR BALANCING FREQUENCY INSTABILITY ON AN ELECTRIC GRID USING NETWORKED DISTRIBUTED ENERGY STORAGE SYSTEMS - Embodiments of the present invention include control methods employed in multiphase distributed energy storage systems that are located behind utility meters typically located at, but not limited to, medium and large commercial and industrial locations. These distributed energy storage systems can operate semi-autonomously, and can be configured to develop energy control solutions for an electric load location based on various data inputs and communicate these energy control solutions to the distributed energy storage systems. In some embodiments, one or more distributed energy storage systems may be used to absorb and/or deliver power to the electric grid in an effort to provide assistance to or correct for power transmission and distribution problems found on the electric grid outside of an electric load location. In some cases, two or more distributed energy storage systems are used to form a controlled and coordinated response to the problems seen on the electric grid. | 2014-03-13 |
20140070757 | CELL BALANCING INTEGRATED CIRCUIT, CELL BALANCING SYSTEM, AND CELL BALANCING METHOD - Introduced are a cell balancing integrated circuit which may be realized including a small number of switches or diodes, an energy non-consumption type cell balancing system including the cell balancing integrated circuit, and an energy non-consumption type cell balancing method. The energy non-consumption type cell balancing system includes a battery pack, a cell balancing circuit, and a plurality of inductors and capacitors. | 2014-03-13 |
20140070758 | METHOD AND APPARATUS FOR POWER SUPPLY CONTROL AND ELECTRONIC DEVICE - The present invention provides a method and an apparatus for power supply control as well as an electronic device. The method includes: detecting that the first device is connected with the second device via the first physical interface, when the first device is in the unconnected state; determining whether the connection between the first device and the second device via the first physical interface satisfies a first predetermined condition or not, so as to obtain a first determination result; switching the first device from the unconnected state to the first connected state when the first determination result indicates that the connection between the first device and the second device via the first physical interface satisfies the first predetermined condition; obtaining power supply requirement information of the second device that indicates whether the first device is required to supply power to the second device or not; and controlling power supply to the second device via the first physical interface based on the power supply requirement information of the second device. With the method and apparatus for power supply control and the electronic device, a reasonable power supply control between electronic devices can be achieved. | 2014-03-13 |
20140070759 | VEHICLE-MOUNTED CONTROLLER - A vehicle-mounted controller mounted on a vehicle includes communication state determination unit and a battery charging control unit. The communication state determination unit is configured to determine whether or not vehicle-mounted information equipment performs communication with external charging equipment or an external information device via a charging cable. The battery charging control unit is configured to control, in a case where the communication state determination unit determines that the vehicle-mounted information equipment performs the communication with the external charging equipment or the external information device via the charging cable, a voltage converter so as to charge a low-voltage battery by supplying electric power from a high-voltage battery to the low-voltage battery when a first specific time has elapsed since start of the communication. The high-voltage battery, the vehicle-mounted information equipment, the low-voltage battery, and the voltage converter are provided with the vehicle. | 2014-03-13 |
20140070760 | POWER GENERATION SYSTEM THAT OPTIMIZES THE POWER PROVIDED TO CHARGE BATTERIES - Some embodiments relate to a power generation system. The power generation system includes a first generator and a first battery charger. The first battery charger is adapted to charge a first battery and a second battery. The first battery and the second battery are each adapted to provide power to start the first generator. The power generation system further includes a controller that determines a state of charge for each of the first battery and the second battery. Based on the state of charge for each of the first battery and the second battery, the controller determines which of the first battery and the second battery receives charging current from the first battery charger. | 2014-03-13 |
20140070761 | IMPLANT CURRENT CONTROLLED BATTERY CHARGING BASED ON TEMPERATURE - A method for wirelessly charging a battery in an implantable medical device including the steps of: providing a receiver in the implantable medical device and providing a temperature sensor in the implantable medical device. The method also includes receiving, via the receiver, a wireless power signal from an external charger and converting the wireless power signal into a battery charge signal including power for recharging the battery. The method yet also includes sensing a temperature of the implantable medical device with the temperature sensor. The method further includes changing a current of the battery charge signal from a first non-zero current to a second non-zero current that is different from the first non-zero current. Changing of the current of the battery charge signal is based on the temperature sensed by the temperature sensor. | 2014-03-13 |
20140070762 | MINIATURE WIRELESS POWER RECEIVER MODULE - An apparatus for wirelessly receiving power comprises a battery at least partially covered by magnetic material and a radio frequency (RF) charge energy receiving antenna surrounding the magnetic material and electrically coupled to the battery through a circuit card assembly (CCA). | 2014-03-13 |
20140070763 | E-FIELD SHIELD FOR WIRELESS CHARGER - A shielding arrangement for preventing AM radio interference when a wireless charger is used in a vehicle has a plurality of parallel conductors arranged at a distance from one another responsive to a frequency desired to be attenuated. An interconnection arrangement includes a solid conductive junction and connects the conductors to one another without forming loops, and to ground. The conductors are traces disposed on a PCB. Additional parallel conducts are disposed on the other side of the PCB at an orthogonal orientation with respect to the first conductors. The spacing between the conductors is determined in response to the frequency desired to be attenuated, as well as frequencies thereabove that are desired to be propagated therethrough, such as mobile telephone signals. The solid conductive junction that is disposed on the printed circuit board is electrically and thermally conductive, such as copper. | 2014-03-13 |
20140070764 | WIRELESS POWER TRANSFER SYSTEM COIL ARRANGEMENTS AND METHOD OF OPERATION - This disclosure provides systems, methods and apparatus for wireless power transfer. In one aspect, an apparatus is provided that includes a first conductive structure configured to wirelessly receive power via a magnetic field generated by a transmitter conductive structure having a length greater than a width. The first conductive structure has a length greater than a width and includes co-planar loops enclosing first and second areas. The first conductive structure has first and second edges each intersecting a first geometric line running along the length of the first conductive structure. The apparatus includes a second conductive structure configured to wirelessly receive power via the magnetic field. The second conductive has a length greater than a width. The first geometric line runs along the length of the second conductive structure. The first geometric line is substantially perpendicular to a second geometric line running along the length of the transmitter conductive structure. | 2014-03-13 |
20140070765 | CHARGING APPARATUS - A charging apparatus is provided that avoids a reduction in the strength of radio waves or a magnetic field used by a charging target device having a wireless communication function and reduces an influence on the radio waves or magnetic field. In this apparatus, position detection section ( | 2014-03-13 |
20140070766 | NON-CONTACT CHARGING MODULE AND RECEPTION-SIDE AND TRANSMISSION-SIDE NON-CONTACT CHARGING APPARATUSES USING THE SAME - It is an object to provide a non-contact charging module that prevents the magnet from negatively influencing particularly the inside portion of a coil and improves power transmission efficiency, even when a magnet is used for alignment. This non-contact charging module is a reception-side non-contact charging module, to which power is transmitted from a transmission-side non-contact charging module which is equipped with magnet, by electromagnetic induction, in which the non-contact charging module includes a planar coil portion around which spiral electric lines are wound, and a magnetic sheet disposed to face the surface of coil of the planar coil portion so that it faces the magnet of the transmission-side contact module, in which the inner diameter of the planar coil portion is larger than the magnet. | 2014-03-13 |
20140070767 | CHARGING STATIONS FOR ELECTRIC VEHICLES - The invention relates to systems and methods for charging a vehicle. A vehicle and charging station can be designed such that an electric or hybrid vehicle can operate in a fashion similar to a conventional vehicle by being opportunity charged throughout a known route. | 2014-03-13 |
20140070768 | ACTIVE VEHICLE RECHARGE PROTECTION DEVICE - active vehicle recharge protection device includes a detection unit, a control unit and an annunciator. The detection unit is connected electrically with a recharge power source and is a voltage detection circuit used to detect the output voltage of the recharge power source. | 2014-03-13 |
20140070769 | BRUSHLESS MOTOR CONTROL APPARATUS AND BRUSHLESS MOTOR CONTROL METHOD - Even in a situation other than engine normal operation such as engine stall, the output voltage of the three-phase brushless motor is prevented from causing the excessive voltage to be applied to an external load. | 2014-03-13 |
20140070770 | ELECTRIC ENERGY STORAGE DEVICE AND INSTALLATION-OPERATION METHOD THEREOF - Frequent charging/discharging to an electric energy storage element is suppressed for energy saving and longer lifetime. A transmission-line-side power converter device converts power from a transmission line, and supplies DC power to a feeder line connected to an electric energy storage element. An output current controller connected with a line voltage detector detects the feeder line voltage, and a charging rate detector detects a charging rate of the electric energy storage element. A control table sets charging/discharging start voltages and current saturated voltages based on the detected line voltage and charging rate. The output current controller controls the electric energy storage element to discharge at a high line voltage as the charging rate increase, to suppress charging the electric energy storage element at the low line voltage, and makes discharging difficult at the low line voltage to facilitate charging at the low line voltage as the charging rate decreases. | 2014-03-13 |
20140070771 | ENERGY STORE AND ENERGY STORAGE SYSTEM - A chargeable energy store includes a chargeable electrical accumulator, an interface for connecting the accumulator to a device for the exchange of energy and a control unit for controlling the energy exchange of the accumulator. The control unit includes a supply voltage terminal, which is connected to the accumulator when a device is connected to the interface for the exchange of energy, and which is otherwise disconnected from the accumulator. | 2014-03-13 |
20140070772 | METHOD FOR AUTOMATIC ENERGY DISCHARGE OF A BATTERY PACK VIA INTERNAL BATTERY ELECTRONICS POST CRASH EVENT - A system and method for individually discharging battery cells in a high voltage vehicle battery. The system includes a battery controller that monitors and controls the state-of-charge of each of the battery cells and a cell balancing circuit for maintaining the charge of the cells substantially equal. The controller receives a signal from a vehicle crash detector indicating that the vehicle has been in a crash, and in response instructs the cell balancing circuit to discharge all of the battery cells. | 2014-03-13 |
20140070773 | METHOD OF IMPROVING BATTERY RECHARGE EFFICIENCY BY STATISTICAL ANALYSIS - A system and method for using statistical analysis of information obtained during a rechargeable battery charging session, wherein the method is for optimizing one or more parameters that are used for controlling the charging of a rechargeable battery during the charging session. | 2014-03-13 |
20140070774 | CASCADING POWER FOR ACCESSORIES - Methods, systems, and apparatuses for charging a host device from a charging source through an accessory are described. Upon detecting an input power signal from the charging source, an accessory may send an identification request to the host device and authenticate the host device based on the identification information received from the host device. Upon authenticating the host device, the accessory may enable a power path between the charging source and the host device to supply a charging current to charge the host device. | 2014-03-13 |
20140070775 | METHOD FOR THE DETECTION OF SHORTED TURNS ON SALIENT POLES OF ROTORS OF ELECTRIC ROTATING MACHINES - A method for detecting shorted turns in the windings of salient rotor poles of an electric rotating machine, the method comprising: for each one of the salient rotor poles, measuring a radial magnetic flux between a stator of the electric rotating machine and the salient rotor pole, and measuring a thickness of an air-gap between the stator and the salient rotor pole; for each one of the salient rotor poles, determining an expected radial flux using the measured radial magnetic flux and the measured thickness of the air-gap; and identifying shorted turns by comparing, for each one of the salient rotor poles, the measured radial magnetic flux to the expected radial magnetic flux. | 2014-03-13 |
20140070776 | Switching Regulator - A switching regulator for outputting an output voltage is disclosed. The switching regulator includes an upper gate switch, for turning on and turning off according to an upper gate control signal; a lower gate switch, coupled to the upper gate switch, for turning on and turning off according to a lower gate control signal; and a logic circuit, for generating the lower gate control signal according to a lower gate off signal. The lower gate switch turns off during an activation period of the switching regulator. | 2014-03-13 |
20140070777 | BAND GAP REFERENCE VOLTAGE GENERATOR - A band gap reference voltage generator has first and second current conduction paths between a first node and a second node. The first current conduction path has first resistive elements in series with a first forward-biased PN junction element. A tap is connected selectively to the first resistive elements through switches that are controllable to select a voltage divider ratio at the tap. The second current conduction path includes a second resistive element in series with a second PN junction element of greater current density than the first PN junction. A voltage error amplifier has inputs connected to the tap and the second PN junction element, and an output for providing a thermally compensated output voltage V | 2014-03-13 |
20140070778 | VOLTAGE REGULATOR - Provided is a voltage regulator capable of suppressing excessive overshoot at the output terminal when the power supply fluctuates in a non-regulate state. The voltage regulator includes: an error amplification circuit that amplifies a difference between reference voltage and divided voltage, thus controlling a gate of an output transistor; an amplifier that compares the reference voltage and the divided voltage to detect overshoot at the output voltage; a first transistor that lets current that is proportional to current flowing through the output transistor pass therethrough; a current mirror circuit that mirrors current that is proportional to the current flowing through the output transistor; and a first bias circuit connected to the amplifier via the current mirror circuit, the first bias circuit increasing bias current of the amplifier to increase a response speed. | 2014-03-13 |
20140070779 | SWITCHING REGULATOR - A switching regulator includes a coil, switching transistor, a synchronous rectifying transistor, a switching control circuit, a comparator, a first buffer circuit operated by an input voltage, and a second buffer circuit operated by an output voltage. The switching control circuit assumes control such that control signals are outputted from the first buffer circuit to a switching transistor and a synchronous rectifying transistor, respectively, in response to a power supply switching signal indicating that the output voltage is lower than the input voltage, while the switching control circuit assumes control such that the control signals are outputted from the second buffer circuit to the switching transistor and the synchronous rectifying transistor, respectively, in response to the power supply switching signal indicating that the output voltage is equal to or higher than the input voltage. | 2014-03-13 |
20140070780 | SWITCHING REGULATOR, CONTROL CIRCUIT AND CONTROL METHOD THEREOF, AND ELECTRONIC APPARATUS - A control circuit for controlling a switching transistor and a synchronous rectifying transistor of a switching regulator includes: a bottom detection comparator configured to assert an on signal; a timer circuit configured to generate an off signal; a zero current detector configured to assert a zero current detection signal; and a driving circuit configured to receive the on signal, the off signal and the zero current detection signal, and (i) turn on the switching transistor and turn off the synchronous rectifying transistor when the on signal is asserted, (ii) turn off the switching transistor and turn on the synchronous rectifying transistor when the off signal is asserted, and (iii) turn off the switching transistor and the synchronous rectifying transistor when the zero current detection signal is asserted. | 2014-03-13 |
20140070781 | SWITCHING REGULATOR, CONTROL CIRCUIT AND CONTROL METHOD THEREOF, AND ELECTRONIC APPARATUS - A control circuit for controlling a switching transistor and a synchronous rectifying transistor of a switching regulator includes: a bottom detection comparator configured to assert an on signal; an off signal generator configured to assert an off signal; a zero current detector configured to assert a zero current detection signal; and a control logic part configured to receive the on signal, the off signal and the zero current detection signal and generate a control signal such that the control circuit (i) transitions to a first state where, when the on signal is asserted, (ii) transitions to a second state where, when the off signal is asserted, and (iii) transitions to a third state where, when the zero current detection signal is asserted; In the third state, the control logic part reduces an operation current of at least a portion of the control circuit. | 2014-03-13 |
20140070782 | MODULAR LOW-POWER UNIT WITH ANALOG SYNCHRONIZATION LOOP USABLE WITH A LOW-DROPOUT REGULATOR - A low-power-mode unit connected in parallel with a low-dropout regulator to provide a low-power mode includes a power P-MOS transistor, a differential amplifier, and an analog synchronization loop. The analog synchronization loop is configured to add a variable voltage offset depending on a total current at the output such that, in a high-power mode, the low-power unit current flowing through the P-MOS transistor is not zero, while being substantially smaller than the low-dropout regulator current flowing through the low-dropout regulator, and smaller than a predetermined value. | 2014-03-13 |
20140070783 | CONSTANT VOLTAGE SUPPLY CONSTRUCTED USING A CONSTANT CURRENT BOOST CONTROLLER - A constant voltage supply uses a constant current boost switching controller to generate an output voltage having a substantially constant voltage magnitude. The constant voltage supply thus constructed realizes fast transient response with small output capacitance. | 2014-03-13 |
20140070784 | FIXED FREQUENCY DC TO DC CONVERTER CONTROL CIRCUIT WITH IMPROVED LOAD TRANSIENT RESPONSE - Analog pulse width modulation (PWM) control circuits and techniques are presented for improving output voltage load transient response in controlling DC to DC conversion systems in which a transient detector circuit restarts a PWM carrier ramp waveform to initiate asynchronous injection of a pulse between the regular periodic PWM pulses in a fixed frequency pulse stream to mitigate the effect of output inductor energy depletion on output voltage. | 2014-03-13 |
20140070785 | CONTROLLER FOR A DC TO DC CONVERTER, A COMBINATION OF A CONTROLLER AND A DC TO DC CONVERTER, AND A METHOD OF OPERATING A DC TO DC CONVERTER - A controller for a DC to DC converter, comprising first and second electrically controlled switches and an inductor, wherein placing the first switch in a low impedance state causes a current flow in a first direction through the inductor to increase, and placing the second switch in a low impedance state causes the current flow in the first direction to decrease. The controller can operate a DC to DC converter in a first mode when a current taken by a load supplied by the converter is above a first current threshold, and in a low power mode when the current taken by the load is below the first current threshold, wherein the controller uses information about a switching time of the first switch in the first mode to control a switching time of the first switch in the low power mode. | 2014-03-13 |
20140070786 | Power Converter Including Integrated Driver Providing Overcurrent Protection - In one implementation, a power converter includes an output stage integrated circuit (IC) in a group III-V die including a depletion mode group III-V transistor, and a driver IC in a group IV die. The driver IC is configured to drive the output stage IC. In addition, a group IV control switch in the group IV die is cascoded with the depletion mode group III-V transistor. The power converter further includes an overcurrent protection circuit for the depletion mode group III-V transistor, the overcurrent protection circuit monolithically integrated in the group IV die. | 2014-03-13 |
20140070787 | Low Ripple Step-Up/Step-Down Converter - There is described a device for converting an input signal having a given input voltage (Vbat) value (Vbat) into an output signal having an output voltage (Vout) (Vout) different from the input voltage (Vbat). The device comprises a main module ( | 2014-03-13 |
20140070788 | CIRCUIT AND METHOD FOR GENERATING A BANDGAP REFERENCE VOLTAGE - A bandgap reference voltage generator includes a bipolar assembly having a first resistor, a first branch and a second branch that is in parallel with the first branch. The first branch includes a first bipolar transistor with a base coupled to a fixed voltage. The second branch includes a second bipolar transistor with a base coupled to the fixed voltage and a second resistor coupled in series with the second bipolar transistor. A differential module is coupled to the first and second bipolar transistors and configured to balance the currents in the first and the second branches. The bandgap reference voltage is output at a node to which the first resistor is connected. | 2014-03-13 |
20140070789 | METHOD AND ARRANGEMENT TO MONITOR A BEARING - A method is provided for measuring the condition of the lubrication in a bearing of a wind turbine. The bearing includes a first bearing shell and a second bearing shell and a layer of lubrication between the first and the second bearing shell. The method involves at least the steps of: applying a voltage from a voltage source to the bearing shells such that an electrical potential is building up between the bearing shells, increasing the level of the voltage applied to the bearing shells until the break down voltage of the layer of lubrication is reached, and measuring the voltage applied to the bearing shells to detect and measure the value of the break-down voltage of the layer of lubrication in the bearing. | 2014-03-13 |
20140070790 | TYPE DETERMINATION APPARATUS, TYPE DETERMINATION METHOD, AND COMPUTER-READABLE STORAGE MEDIUM - A type determination apparatus includes an acquisition unit configured to chronologically acquire power consumption consumed by an electrical device; and a determination unit configured to determine that a type of the electrical device is a type to be determined in accordance with a reference pattern representing a predetermined pattern of a power fluctuation when a fluctuation pattern of the power consumption acquired for a duration equal to or more than a reference period of time is matched with the reference pattern. | 2014-03-13 |
20140070791 | ELECTRONIC DEVICE AND METHOD OF ELECTRONIC DEVICE FOR DETERMINING POWER SOURCE DEVICE - An electronic device includes a current source for applying current, a pull-up resistor or a pull-down resistor configured to be connected to one of a plurality of data terminals, a voltage level detection circuit configured to detect voltage values of the plurality of data terminals, and a connected device determination circuit configured to determine a type of a power source device based on the voltage values of the plurality of data terminals detected by the voltage level detection circuit. | 2014-03-13 |
20140070792 | Handheld fiber optic current and voltage monitor for high voltage applications - A handheld fiber optic current and voltage monitor for applications in high voltage environment. A light source generates constant optical signal that is split by a fiber optic splitter into two paths. One path feeds a DMEMS based current sensor that is driven by a current to voltage conversion device that converts the current in a conductor into a voltage. The other path goes to a DMEMS based electric field sensor driven by a condenser antenna that converts the electric field near a high voltage power line conductor into a voltage. The output optical signals from the current sensor and the electric field sensor are received by respective optical receivers and converted into electric signals. A signal processing unit processes the signals, and a display screen displays the results. All these are mounted on a plastic mast for handheld operation. | 2014-03-13 |
20140070793 | ADJUSTABLE POWER SENSOR - A power sensor applies respective first and second currents having substantially equal magnitudes to a reference detector and a measurement detector that are thermally coupled to each other. The power sensor senses an input signal with the measurement detector, and it adjusts the respective magnitudes of the first and second currents by substantially equal amounts to correspondingly adjust a measurement characteristic of the measurement detector. | 2014-03-13 |
20140070794 | SENSOR AND TOOTH ARRANGEMENT FOR SHAFT SPEED DETECTION - A non-ferrous shaft includes multiple non-integral ferrous tooth components, thereby allowing a sensor to detect the shaft speed. | 2014-03-13 |
20140070795 | Hall Effect Device - A hall effect device includes an active Hall region in a semiconductor substrate, and at least four terminal structures, each terminal structure including a switchable supply contact element and a sense contact element, wherein each supply contact element includes a transistor element with a first transistor terminal, a second transistor terminal, and a control terminal, wherein the second transistor terminal contacts the active Hall region or extends in the active Hall region; and wherein the sense contact elements are arranged in the active Hall region and neighboring to the switchable supply contact elements. | 2014-03-13 |
20140070796 | HALL-EFFECT-BASED ANGULAR ORIENTATION SENSOR AND CORRESPONDING METHODS AND DEVICES - A sensor for sensing an angular orientation of a magnetic field of a magnet includes: N≧2 Hall effect devices (HD1, HD2, . . . ), each having a detection direction and including a first and a second pair of connectors, wherein, in presence of the magnetic field, a flow of an electric current between the connectors of the first pair allows to pick up a Hall voltage between the connectors of the second pair induced by the magnetic field, unless a magnetic field component of the magnetic field along the detection direction is zero, wherein the N Hall effect devices are aligned such that they have a common detection direction lying along an axis; a filtering-or-resonating unit (F) comprising an input and an output, wherein a signal outputted from the output is referred to as filtered signal. | 2014-03-13 |
20140070797 | Capacitive Position Encoder - In one embodiment, a method comprises driving one or more drive electrodes formed on a substrate with one or more drive signals. A wiper comprising at least one arm is driven to a predetermined voltage. The wiper is electrically insulated from a plurality of sense electrodes formed on the substrate. For each sense electrode of the plurality of sense electrodes, a charge stored by the sense electrode is detected. A processor determines a position of the wiper based on the detected charges stored by the plurality of sense electrodes. | 2014-03-13 |
20140070798 | POSITION MEASUREMENT USING FLUX MODULATION AND ANGLE SENSING - Systems and methods for determining a position of a movable component. One system includes a controllable source of varying magnetic flux. In a particular embodiment, the magnetic flux is directed through a magnetic sensor using a first flux concentrator and a second flux concentrator. The sensor generates a sensor signal that is provided to an electrical circuit designed to demodulate the signal. The demodulated signal is provided to a controller. The controller converts the signal and calculates the position of the second flux concentrator relative to the first flux concentrator. The controller may take a predetermined action based on the calculated position of the second flux concentrator. | 2014-03-13 |
20140070799 | ROTATIONAL POSITION SENSING APPARATUS - A rotational position sensing apparatus includes a rotational position sensing magnet and a fixing member. The fixing member is made of a non-magnetic material and is fixed to a rotatable shaft of a rotor. The fixing member includes a plurality of projections, which radially inwardly project and are arranged one after another in a circumferential direction at an inner peripheral surface of a first peripheral wall portion within a space, which is defined by the first peripheral wall portion and a bottom wall portion and holds the rotational position sensing magnet. | 2014-03-13 |
20140070800 | MAGNETIC FIELD GENERATION UNIT AND SEMICONDUCTOR TEST APPARATUS INCLUDING THE SAME - A test apparatus can be provided which includes a test control unit configured to input electrical signals for testing a semiconductor device including a magneto-resistive element, and to receive test result signals from the semiconductor device. A station unit can be configured to support the semiconductor device during testing. A magnetic field generation unit can be configured to apply a magnetic field to the semiconductor device during testing. And a magnetic control unit can be configured to control the magnetic field generation unit. Using the test apparatus, characteristics of the semiconductor device can be tested during application of a magnetic field. | 2014-03-13 |
20140070801 | CURRENT SENSOR - A current sensor includes a first conductor and a second conductor arranged so as to form current paths parallel to each other; a circuit board arranged such that a surface thereof is perpendicular to the current paths; and a first magnetoelectric transducer and a second magnetoelectric transducer arranged on the surface of the circuit board such that the first conductor is interposed therebetween. The first conductor, the second conductor, the first magnetoelectric transducer, and the second magnetoelectric transducer are located on a same plane. | 2014-03-13 |
20140070802 | ULTRASENSITIVE MAGNETIC SENSOR WITH MAGNETO-OPTICALLY ACTIVE MATERIAL WITH HIGH VERDET CONSTANT - A high-resolution sensor of magnetic field sensor system and materials for use in such a system are described. The sensor systems measure a magnetic field using inorganic and/or organic magneto-optically active materials, e.g. polymer material and have an interferometer based on Faraday rotation. The polymer material is preferably in the form of a film. The polymer material has an optical property that is sensitive to the magnetic field, eg the Faraday rotation effect. The present invention also provides a sensor head structure comprising the above polymer material. The sensor head may be designed for use with an optical fiber or with mirrors In particular the present invention provides a fiber Sagnac interferometer to measure the rotation of polarized plane of light. The present invention provides a fiber or mirror based Sagnac interferometer with passive phase bias applied to magnetic field sensing. | 2014-03-13 |
20140070803 | MR Parallel Imaging System Reducing Imaging Time - An MR imaging system uses multiple RF coils, for reducing image acquisition time, suitable for chemical exchange saturation transfer (CEST) imaging. Multiple RF (Radio Frequency) coils provide CEST imaging preparation in an anatomical volume by providing multiple interleaved RF pulses. The multiple interleaved RF pulses provide substantially increased RF pulse sequence duty cycle in the multiple RF coils relative to a duty cycle provided by a single coil of the multiple RF coils. The multiple RF coils subsequently provide RF excitation pulses in a reduced anatomical volume using k-space undersampling in an accelerated imaging method using the multiple RF coils and enable subsequent acquisition of associated RF echo data for deriving a CEST image. | 2014-03-13 |
20140070804 | MRI METHOD OF FASTER CHANNEL-BY-CHANNEL RECONSTRUCTION WITHOUT IMAGE DEGRADATION - A plurality of coil elements ( | 2014-03-13 |
20140070805 | MR IMAGING WITH B1 MAPPING - The invention relates to a method of MR imaging, wherein a portion of a body is subjected to an imaging sequence of RF pulses and switched magnetic field gradients, which imaging sequence is a stimulated echo sequence including an off-resonant Bloch-Siegert RF pulse (BS) radiated during a preparation period ( | 2014-03-13 |
20140070806 | NMR Measurement Method - A method of NMR measurement which achieves background suppression based on a technique employing differences in RF magnetic field strength while alleviating the problem that less latitude is allowed in setting the number of signal accumulations. This method suppresses a background-derived signal emanating from the material of an NMR probe. The method starts with applying an RF pulse sequence consisting of a 90° pulse and subsequent one or more 180° pulses to a sample to induce an NMR signal and detecting the signal. This application is repeated while varying the RF phases of the pulses to induce NMR signals in accordance with a cogwheel phase-cycling scheme to induce NMR signals. The NMR signals are detected. The detected NMR signals are accumulated. | 2014-03-13 |
20140070807 | MAGNETIC RESONANCE UNIT, A MAGNETIC RESONANCE APPARATUS WITH THE MAGNETIC RESONANCE UNIT, AND A METHOD FOR DETERMINATION OF A MOVEMENT BY A PATIENT DURING A MAGNETIC RESONANCE EXAMINATION - A magnetic resonance unit with a housing unit and a patient accommodation area for the accommodation and/or holding of at least one part region of a patient is provided. The patient accommodation area is surrounded at least partially by the housing unit, a first and a second movement sensor unit for acquiring a first and a second item of movement information of a movement of the patient. The first movement sensor unit exhibits a first field of view for the acquisition of a first part region of the patient and/or of the patient accommodation area, and the second movement sensor unit exhibits a second field of view for the acquisition of a second part region of the patient and/or of the patient accommodation area, which is formed differently in relation to the first part region of the patient and/or of the patient accommodation area. | 2014-03-13 |
20140070808 | FET SWITCH AS DETUNE CIRCUIT FOR MRI RF COILS - A radiofrequency (RF) coil assembly for use in magnetic resonance includes a radiofrequency coil ( | 2014-03-13 |
20140070809 | MAGNETIC RESONANCE IMAGING APPARATUS AND A POWER CONTROL METHOD OF A MAGNETIC RESONANCE IMAGING APPARATUS - In one embodiment, an MRI apparatus ( | 2014-03-13 |
20140070810 | NUCLEAR QUADRUPOLE RESONANCE SYSTEM AND METHOD OF USING THE SAME - A nuclear quadrupole resonance (NQR) sensor assembly includes an active sensor coil configured to transmit radiofrequency (RF) signals to an object of interest and receive return RF signals from the object of interest to generate sensor signals substantially representative of the return signals. The at least one reference coil is configured to receive environmental RF signals to generate reference signals at least partially representative of the environmental RF signals. The at least one reference coil is co-located with the active sensor coil. The active sensor coil and the at least one reference coil are in communication with a correction unit configured to remove interference components from the sensor signals using the reference signals. | 2014-03-13 |
20140070811 | MAGNETIC RESONANCE IMAGING APPARATUS - In one embodiment, an MRI apparatus ( | 2014-03-13 |
20140070812 | IMAGE DIAGNOSIS APPARATUS AND POWER CONTROL METHOD OF AN IMAGE DIAGNOSIS APPARATUS - In one embodiment, the image diagnosis apparatus ( | 2014-03-13 |
20140070813 | Wireless Handle for a Battery Tester and Battery Tester Assembly Thereof - A wireless handle for a battery tester, comprising a wireless signal transmitting/receiving means capable of exchanging information with a battery tester through wireless communication; an information input means; an information output means; and a signal processing and control means, wherein the wireless signal transmitting/receiving means, the information input means, and the information output means are coupled with the signal processing and control means. The wireless handle enables an operator to control some functions of the battery tester and/or monitor detected information remotely during the process of testing, which can increase efficiency of the testing and avoid any disturbance of the testing circuits caused by the information input means and the information output means. | 2014-03-13 |
20140070814 | DISCHARGE IONIZATION CURRENT DETECTOR AND GAS CHROMATOGRAPH - To provide a discharge ionization current detector | 2014-03-13 |
20140070815 | ACTIVE DIAGNOSTICS AND GROUND FAULT DETECTION ON PHOTOVOLTAIC STRINGS - A PV system includes a plurality of PV strings configured to generate a string output power responsive to received solar irradiation, with a source conductor and a return conductor being provided from the PV strings. One or more DC voltage regulators are electrically connected to the PV strings on at least one of the source or return conductors, with the DC voltage regulator being configured to regulate the voltage of a respective PV string or group of strings. A controller selectively controls a voltage output by the DC voltage regulator and is programmed to periodically cause the DC voltage regulator to alter the voltage of a PV string or group of strings, detect a change in current in the respective PV string(s) responsive to the altering of the voltage, and perform at least one of a PV string degradation detection and causal diagnosis and a grounded conductor fault detection. | 2014-03-13 |
20140070816 | TEST APPARATUS WITH PHYSICAL SEPARATION FEATURE - A test apparatus with physical separation feature is disclosed. The test apparatus includes probes ( | 2014-03-13 |
20140070817 | TESTING OF OPTICAL DEVICES - The present disclosure describes techniques for testing optical devices in a manner that, in some implementations, simulates the environment in which the devices will be used when they are integrated into the end-product or system. For example, one aspect includes providing a transparent sheet that is positioned near the optical device in a manner that simulates at least some aspects of the environment when the device is incorporated into the end-product or system. The testing can be performed, for example, while the optical devices are in production or at some other time prior to their being integrated into an end-product or system. | 2014-03-13 |
20140070818 | DEVICE FOR MEASURING ELECTRICAL TREEING OF MEDIUM VOLTAGE CABLES - A device for measuring electrical treeing of medium voltage cables. The device includes a plurality of test units connected in parallel. Each test unit includes: a test cup and an insulating base. The test cup includes an inner cavity for accommodating a salt solution, an insulating cover equipped with a first electrode, and an opening. The insulating base includes a side wall, an insulating washer, a second electrode, a conductor, and a through hole from top to bottom. The test cup is disposed on the insulating base. The lower part of the test cup is surrounded by the side wall and presses on the upper surface of the insulating washer. The lower part of the test cup is in threaded connection with the side wall. The space between the opening and the test sample is sealed by the insulating washer. | 2014-03-13 |
20140070819 | Technique for Determining Performance Characteristics Of Electronic Devices And Systems - A technique for determining performance characteristics of electronic devices and systems is disclosed. In one embodiment, the technique is realized by measuring a first response on a first transmission line from a single pulse transmitted on the first transmission line, and then measuring a second response on the first transmission line from a single pulse transmitted on at least one second transmission line, wherein the at least one second transmission line is substantially adjacent to the first transmission line. The worst case bit sequences for transmission on the first transmission line and the at least one second transmission line are then determined based upon the first response and the second response for determining performance characteristics associated with the first transmission line. | 2014-03-13 |
20140070820 | Electronic Power Converter - The present invention relates to electronic power converter suitable, in a first mode, for receiving electrical voltage and/or current magnitudes from a first device as input, for processing them using processing means capable of measuring said electrical magnitudes and servocontrolling said electrical magnitudes based on said measurements and constraints specific to a second device, and for providing the adapted voltage and/or current magnitudes to said second device. | 2014-03-13 |
20140070821 | THIN FILM SENSOR, CAPACITIVE TOUCH PANEL HAVING THE SAME AND PREPARATION METHOD THEREOF AND TERMINAL PRODUCT - The present invention relates to a thin film sensor, capacitive touch panel having the sensor and preparation method thereof and terminal product. The thin film sensor of the present invention has only one optically conductive substrate. Specifically, only one optically transparent substrate is used, a sensing electrode layer and a driving electrode layer are coated on the upper and lower surfaces of the substrate, respectively, which helps to reduce the thickness of the thin film sensor on one hand, thus contributes to the development of light and thin of a touch panel and touch electronics; on the other hand, the material selection and the preparation process are simple, the selection of two substrates is not necessary to prepare two optically conductive thin film. | 2014-03-13 |
20140070822 | USING IN SITU CAPACITANCE MEASUREMENTS TO MONITOR THE STABILITY OF INTERFACE MATERIALS IN COMPLEX PCB ASSEMBLIES AND OTHER STRUCTURES - An electric potential is applied to first and second electrodes on opposite sides of a gap between an electronic component and a heat spreader. At least one of a thermal interface material in the gap, the electronic component and the heat spreader is subjected to a changing physical condition. The electrical capacitance between the electrodes is monitored during the changing physical condition. Such a method can be practiced using an array of components sharing a common heat spreader. An assembly for testing thermal interfaces includes a printed circuit board, a plurality of electronic components mounted to and operatively associated with the printed circuit board, a heat spreader positioned for absorbing heat generated by the electronic components, a first electrode associated with the heat spreader, a plurality of second electrodes associated, respectively, with the electronic component, and a device for monitoring electrical capacitances between the first and second electrodes. The technique may be employed for monitoring physical changes in electronic devices and other structures having interfaces between components. | 2014-03-13 |
20140070823 | CAPACITIVE CONTROL INTERFACE DEVICE HAVING DISPLAY INTEGRATION - A capacitive detection control interface device is provided, including at least one measurement electrode including an active surface, a guard made from an electrically conductive material placed adjacent to the measurement electrodes, the guard is excited up to an alternating electric potential substantially identical to that of the measurement electrodes, a first electronic component for exciting the electrodes and processing the measurement signals from the capacitive coupling of the electrodes with an object laced adjacent thereto, the electronic component is at least partly referenced to the electric potential of the guard, and a second electronic component for performing another functional display, placed adjacent to the active surface which second electronic component is at least partly referenced to the electric potential of the guard. | 2014-03-13 |
20140070824 | SHORTING STRUCTURE IN PLASTIC ROLL-TO-ROLL PROCESS - Roll-to-roll processes for manufacturing touch sensors on a plastic base film are provided. The touch sensors can be deposited on the base film using various patterning techniques. One or more shorting bars can also be patterned onto the base film to couple together traces, such as drive lines, sense lines, conductive traces, and the like, of the touch sensor to prevent a potential difference from forming between traces due to static buildup during the manufacturing process. After the touch sensor is fully formed on the base film, the touch sensor can be removed from the base film using lithography or a physical cutting process. The removal process can separate the touch sensor from the one or more shorting bars, thereby uncoupling the traces of the touch sensor. | 2014-03-13 |
20140070825 | INTEGRATED CIRCUIT COMPRISING A GAS SENSOR - An integrated circuit and a method of making the same. The integrated circuit includes a semiconductor substrate. The integrated circuit also includes an electrical impedance based gas sensor located on the substrate. The sensor includes first and second electrically conductive sensor electrodes. Each sensor electrode is enclosed in an electrically conductive corrosion protection material. The sensor also includes a gas sensitive material located between the sensor electrodes. The impedance of the gas sensitive material is sensitive to a gas to be sensed. | 2014-03-13 |
20140070826 | Storage Vessel for a Liquid, and a Method for Measuring the Electric Conductivity of a Liquid - A storage vessel for a liquid has an arrangement for measuring the electric conductivity of the liquid situated in the vessel. The arrangement has a first contact and a second contact, which are wetted by the liquid and between which the conductivity is measured. The storage vessel has a first conductor loop with a first open end coupled electrically to the first contact and a second open end coupled electrically to the second contact. | 2014-03-13 |
20140070827 | SYSTEMS AND METHODS FOR COMPENSATED BARRIER PERMEABILITY TESTING - Systems and methods for compensated barrier permeability testing are provided. In one embodiment, a method for testing water vapor penetration through a barrier material comprises: obtaining a first series of resistance measurements from a first moisture sensor located on a substrate surface of a test card, wherein the first moisture sensor is exposed to a testing chamber sealed onto the substrate surface of the test card; obtaining a second series of resistance measurements from a second moisture sensor, wherein the second moisture sensor is isolated from the testing chamber, wherein the testing chamber is defined by a cavity within a spacer element that separates the first moisture sensor from a test barrier; and determining a measurement of water vapor penetration through the test barrier by adjusting the first series of resistance measurement based on the second series of resistance measurement. | 2014-03-13 |