06th week of 2013 patent applcation highlights part 16 |
Patent application number | Title | Published |
20130033194 | APPARATUS AND METHOD FOR CONTROLLING LED DRIVING CIRCUIT AND APPARATUS AND METHOD FOR DRIVING LED - An apparatus for driving a light-emitting diode (LED) is provided. The apparatus includes an LED, a voltage sensing unit which senses a voltage applied to the LED, a current sensing unit which senses a current flowing into the LED, a DC-to-DC converter which converts an input voltage into an LED driving voltage and provides the LED driving voltage to the LED, an LED driving unit which drives the LED according to a dimming-on signal and a dimming-off signal; and a control unit which controls the DC-to-DC converter such that the current sensed by the current sensor follows a reference current, if the dimming-on signal is received, and controls the DC-to-DC converter to maintain the voltage sensed by the voltage sensor at a same voltage as a voltage of the LED at a dimming-off time, if the dimming-off signal is received. | 2013-02-07 |
20130033195 | LIGHT SOURCE APPARATUS - A light source apparatus includes at least a light-emitting module. The light-emitting module includes a hollow rod-shaped base and a plurality of LED chips. The hollow rod-shaped base has an outer surface and an inner surface opposite to the outer surface, in which the inner surface surrounds a space. The LED chips are disposed in flip chip bonding way on the outer surface of the hollow rod-shaped base, in which the LED chips are disposed surrounding the space. | 2013-02-07 |
20130033196 | LIGHT EMITTING ELEMENT DRIVE APPARATUS AND PORTABLE APPARATUS USING SAME - A light emitting element drive apparatus capable of outputting the lowest voltage satisfying drive conditions and having high light emitting efficiency and low power loss, and a portable apparatus using the same, comprising an LED drive apparatus to which LEDs of different drive voltages required for emitting light are connected in parallel and driving one or more LEDs, wherein the LED drive apparatus | 2013-02-07 |
20130033197 | ISOLATED FLYBACK CONVERTER FOR LIGHT EMITTING DIODE DRIVER - An isolated flyback converter for an LED driver includes a snubber circuit unit connected to the primary side of a transformer; and a snubber voltage detection unit which detects a snubber voltage of the snubber circuit unit and generates a reference voltage proportional to the detected snubber voltage. Further, the isolated flyback converter includes a switching unit with a source terminal and a drain terminal, and may be turned on or off in response to an arbitrary logic signal. Furthermore, the isolated flyback converter includes a control unit which compares a voltage supplied through the switching current sensing resistor with the reference voltage, and supplies a logic signal at relatively high level or relatively low level to the switching unit to control the switching unit such that a secondary-side current of the transformer is maintained relatively constant. | 2013-02-07 |
20130033198 | BACKLIGHT UNIT AND METHOD FOR CONTROLLING LED - A backlight unit is provided, which includes a light-emitting diode LED, an LED driving unit which drives the LED, a control unit which measures a temperature of the LED driving unit, and, if the temperature exceeds a preset threshold temperature, interrupts an operation of the LED driving unit, and a threshold temperature adjustment unit which changes the preset threshold temperature based on a limit temperature of a circuit element included in the LED driving unit. | 2013-02-07 |
20130033199 | INDEPENDENTLY CONTROLLED STACKED INVERTED ORGANIC LIGHT EMITTING DIODES AND A METHOD OF MANUFACTURING SAME - An OLED apparatus is provided that includes a first electrode having a first polarity, and an electrode arrangement spaced apart from the first electrode and having a second polarity. The OLED apparatus also includes a first organic emissive layer interposed between the first electrode and the electrode arrangement, and a second electrode spaced apart from the electrode arrangement in a direction opposite the first electrode. The second electrode has the first polarity. The OLED apparatus further includes a second organic emissive layer interposed between the second electrode and the electrode arrangement, and a drive circuit for providing a first energizing signal to the first electrode and the electrode arrangement and a second energizing signal to the second electrode and the electrode arrangement. A method for manufacturing an OLED array is provided. | 2013-02-07 |
20130033200 | SPORT CHRISTMAS KIT - A sport Christmas kit includes an artificial Christmas tree having a trunk segment with bristled branches depending generally downwardly and radiating in different directions about the circumference of the trunk segment. A tree stand retains the trunk segment of the artificial Christmas tree in an upright position on a support surface. A sport helmet is put on the top of the tree. A plurality of lights representing a specific color and specific sport team is adorned about the bristle branches of the artificial Christmas tree. A plurality of ornaments, J-shape candies representing the specific sport are hung on the bristle branches of the artificial Christmas tree, whereby a sport fan can indicate and display their favorite sport team therefrom. The lights are flashed in 1-3 seconds programmable delay. | 2013-02-07 |
20130033201 | CHARGED PARTICLE ACCELERATOR AND CHARGED PARTICLE ACCELERATION METHOD - A cascade of accelerating electrode tubes (LA# | 2013-02-07 |
20130033202 | VIBRATION REDUCTION APPARATUS AND METHOD - A vibration reduction apparatus according to the present invention includes: an actuator apply a force to a beam supporting a cabin so as to bend the beam; an acceleration sensor measuring the acceleration of the cabin; and a controller controlling the actuator based on the measured acceleration. When a vibration containing a plurality of vibration components is transmitted to the cabin via the beam, the vibration reduction apparatus thus structured can achieve the vibration reduction more certainly by applying a bending load to the beam so that the bending load caused by the vibration is cancelled; this allows providing damping of the cabin more certainly. | 2013-02-07 |
20130033203 | THERMAL MANAGEMENT OF COMPONENTS IN ELECTRIC MOTOR DRIVE VEHICLES - Thermal management of various components such as electrical energy storage devices (e.g., batteries, super- or ultracapacitors), power converters and/or control circuits, in electrically powered vehicles may employ active temperature adjustment devices (e.g., Peltier devices), which may advantageously be powered using electrical energy generated by the traction electric motor during regenerative braking operation. Temperature adjustment may include cooling or heating one or more components. The adjustment may be based on a variety of factors or conditions, for instance sensed temperature, sensed current draw, sensed voltage, sensed rotational speed. | 2013-02-07 |
20130033204 | SYSTEM FOR CONTROLLING AN ELECTRICAL DEVICE OF A NACELLE - A control system for controlling an electrical device of a nacelle, the device having at least one element that is movable to a closed position and an open position. The control system includes at least one electromechanical member for actuating the movable element, a unit for electrically driving the electromechanical actuation member, and a controlling and monitoring unit for controlling the electrical drive unit so as to move the movable element to the closed and/or open position. The control system further includes a system for recovering braking power from the electrical drive unit during the movement of the movable element to the closed and/or open position. | 2013-02-07 |
20130033205 | Power Conversion Device - A control circuit of a power conversion device calculates voltage command signals for determining timings for making switching elements of a power switching circuit continuous by performing feed forward control on the basis of input information, and feedback control on the basis of the input information and current values of AC output, for each of the d axis and the q axis of a motor. | 2013-02-07 |
20130033206 | METHODS, SYSTEMS AND APPARATUS FOR ADJUSTING MODULATION INDEX TO IMPROVE LINEARITY OF PHASE VOLTAGE COMMANDS - Embodiments of the present invention relate to methods, systems and apparatus for controlling operation of a multi-phase machine in a motor drive system. The disclosed embodiments provide a mechanism for adjusting modulation index of voltage commands to improve linearity of the voltage commands. | 2013-02-07 |
20130033207 | MULTI-PHASE ROTARY MACHINE CONTROL APPARATUS AND ELECTRIC POWER STEERING SYSTEM USING THE SAME - A multi-phase rotary machine control apparatus executes calculation processing of an angle error caused by position error in attaching a rotation angle sensor to a motor. The control apparatus sets d-axis and q-axis current command values to zero. A rotary shaft of the rotary machine is rotated externally. The control apparatus detects phase currents caused by a counter-electromotive force, converts phases and outputs voltage command values so that the current detection values become zero. The control apparatus calculates an angle error based on the voltage command values, and stores the angle error as an angle correction value. The control apparatus corrects a detection value of a rotation angle sensor by the stored angle correction value. | 2013-02-07 |
20130033208 | PWM CONTROL CIRCUIT AND PWM CONTROL METHOD - The PWM control circuit includes a polarity determination unit, a full wave rectification unit, an adjustment unit that generates an adjusted waveform signal by adjusting waveform of the full wave rectification signal, and a carrier signal generating unit that generates a fixed frequency carrier signal. The PWM control circuit further includes a comparator that generates an original PWM signal by comparing the adjusted waveform signal and the carrier signal, and a PWM waveform shaping unit that generates a first PWM signal for the positive polarity section and a second PWM signal for the negative polarity section, by shaping the original PWM signal according to the polarity signal. | 2013-02-07 |
20130033209 | MOTOR CONTROL DEVICE - A motor control device has a motor driving circuit for driving a motor, a current detection circuit for detecting a motor current flowing through the motor driving circuit, and a controller for calculating a detected value of the motor current based on an output of the current detection circuit, comparing the detected value with a target value of the motor current, and generating a command value for allowing a motor current of the target value to flow through the motor based on a deviation therebetween, to output the command value to a motor driving circuit. The current detection circuit is configured of a first current detection circuit having a positive first gain and a second current detection circuit having a negative second gain obtained by inverting the first gain. | 2013-02-07 |
20130033210 | THREE-PHASE ROTARY MACHINE CONTROL APPARATUS - A first inverter and a second inverter supply two coil sets forming a three-phase motor with AC voltages, which are the same in amplitude but shifted by 30° in phase. Current detectors detect phase currents supplied from the inverters to the coil sets. Temperature estimation sections estimate temperatures of the inverters or the coil sets based on an integration value of the phase current detection values. A current command value limitation section limits upper limits of current command values of both coil sets based on the estimated temperatures Tm | 2013-02-07 |
20130033211 | SWITCHING-MODE POWER SUPPLIES AND CONTROL METHODS THEREOF - Disclosed include switching-mode power supplies and control methods thereof. A disclosed switching-mode power supply is coupled to an input power node and a ground node, comprising a controller, a first inductor, and a bootstrap circuit. The controller is for controlling a power switch coupled to the input power node and a connection node. The controller is powered by the connection node and an operation power node. The first inductor is coupled between the connection node and a discharge node. The bootstrap circuit is coupled between the discharge node, the operation power node and the connection node, to make an operation voltage at the operation power node substantially not less than a discharge voltage at the discharge node. The discharge node is coupled to power an output load. | 2013-02-07 |
20130033212 | SENSORLESS BLDC MOTOR CONTROL BY COMPARING INSTANTANEOUS & AVERAGE BEMF VOLTAGES - Sensorless driving of a brushless DC (BLDC) motor includes detecting a zero crossing time from back electromotive force (BEMF) voltage of the BLDC motor. An instantaneous BEMF voltage and an average BEMF voltage are compared to detect the crossover time, which can be used to change the commutation switching sequence. Since the average BEMF voltage differs for odd and even steps of the commutation switching sequence, average BEMF voltages are calculated separately for odd and even sequences and compared to instantaneous BEMF voltages to detect crossover points for the odd and even sequences. The times to commutations for the odd and even sequences are averaged to provide an average time to the next commutation cycle. The average time can be scaled by a reduction factor to reduce the effects of measurement noise. | 2013-02-07 |
20130033213 | FAN CONTROLLING CIRCUIT FOR SERVER COMPUTER - A circuit for controlling fans of a server computer includes a temperature sensing module configured to sense a temperature inside the server computer and a complex programmable logic device (CPLD) connected to the temperature sensing module. The CPLD includes a pulse width modulation (PWM) module connected to the fans. The PWM module is configured to output a plurality of PWM signals having different duty cycle values to control a rotating speed of each of the fans. The CPLD is configured to determine whether the temperature exceeds a tolerable value. | 2013-02-07 |
20130033214 | Rotating Electric Machine for Electric Vehicle, Drive Control Device and Insulation Diagnosis Method - A rotating electric machine for an electric vehicle, installed in a vehicle and driven by an inverter power source, includes: a partial discharge measuring device that measures partial discharges occurring in insulated areas between windings, between phases and between the rotating electric machine and a ground. | 2013-02-07 |
20130033215 | APPARATUS AND METHOD FOR PERMANENT MAGNET ELECTRIC MACHINE CONDITION MONITORING - An apparatus and method for determining a condition of an electric machine. Search coils are wound around stator teeth and the induced voltage is used to decouple stator and rotor fluxes. The decoupled fluxes allow for machine condition monitoring and fault diagnosis. | 2013-02-07 |
20130033216 | MOTOR CONTROL UNIT AND ELECTRIC POWER STEERING SYSTEM - An ECU that controls a motor includes: a target current value setting unit setting a target current; a voltage detecting unit detecting a detected voltage on the basis of a detection signal from a voltage sensor; a voltage calculation unit calculating an estimated voltage on the basis of a power supply voltage of a battery; and an induced voltage observer calculating an induced voltage generated at the motor using an inter-terminal voltage based on the estimated voltage when the target current is set to a value other than zero; whereas the induced voltage observer calculates the induced voltage using an inter-terminal voltage based on the detected voltage when the target current is set to zero. | 2013-02-07 |
20130033217 | ELECTRIC POWER TOOL - In an impact driver, a link unit (a link sleeve and first and second elongated protrusions) is provided between the mode switching ring for selecting an operation mode and the slide button for selecting the rotation speed. With the link unit, a switching operation of a slide button to the high-speed side is performed in coordination with a selecting operation of a mode switching ring to an impact mode or a vibration drill mode and the rotation speed is held at high speed. | 2013-02-07 |
20130033218 | SYNCHRONOUS CONTROL APPARATUS - A synchronous control apparatus capable of switching cam curves with ease and without delay is provided. A cam curve storing unit stores a representation of a first cam curve and a representation of a second cam curve. Before switch-over of the cam curves, a control unit finds a position command value to a driven-side member, after the switch-over of the cam curves, the control unit finds the position command value, and in a switch-over period of the cam curves, the control unit finds the position command value to the driven-side member based on a value obtained by utilizing first data based on the first cam curve or a position of the driven shaft and second data based on the second cam curve to provide a weighted average at each control timing. | 2013-02-07 |
20130033219 | MOTOR DRIVER CONTROL DEVICE - A position-command-pulse generation unit generates a position command pulse to be output to a motor driver by advancing an initial phase thereof by a phase indicated by initial phase information preset in a device. The initial phase information indicates an arbitrary phase in a period of a half cycle of a first pulse of the position command pulse. | 2013-02-07 |
20130033220 | MOTOR CONTROL DEVICE - A motor control device main unit includes a pressure command signal generation module, a pressure control module, a speed control module, and a current control module. The pressure command signal generation module of the motor control device main unit generates a pressure command value so that a derivative of the pressure command value is equal to or less than a product of an elastic constant of the pressurized target and a maximum motor speed. The pressure control module carries out pressure control calculation to calculate a motor speed command value based on a deviation between the pressure command value and an actual pressure value, and generates a motor speed command signal, which is a signal of the motor speed command value. | 2013-02-07 |
20130033221 | MOTOR CONTROL DEVICE - A motor control device main unit includes a pressure command signal generation module, a simulated pressure control module, a simulated position calculation module, a simulated pressure signal generation module, a pressure control module, a speed control module, and a current control module. The speed control module receives a motor speed command signal, which is a signal of a sum of an actual motor speed command value of an actual motor speed command signal from the pressure control module and a simulated speed calculated value of a simulated motor speed signal. The speed control module carries out speed control calculation based on a motor speed command value of the motor speed command signal and an actual motor speed of an actual motor speed signal. | 2013-02-07 |
20130033222 | PORTABLE SOLAR KIOSK - A portable solar kiosk is provided. The solar kiosk is configured for use with vending machines, outdoor kitchens, parking lot payment booths, bus stop waiting areas, and the like, as well as associated battery systems, solar power assemblies, traditional power access, wiring systems and harnesses, and so forth. The solar kiosk includes a multiplicity of solar panels. The multiplicity of solar panels can charge batteries to power a vending machine. The solar kiosk includes side beams supported by a base such that the solar panel array can swivel on swivel rod to an appropriate angle to the sun. The base of the solar kiosk can support battery bank assemblies. | 2013-02-07 |
20130033223 | PORTABLE CHARGER - The present invention provides a portable charger including a shell, a manual electricity generator assembly, an electricity supplier, a USB slot. The shell includes a battery assembly which is used to contain at least one rechargeable battery. The manual electricity generator assembly includes a manual driving device and an electricity generation mechanism, the manual driving device has one end connecting to the electricity generation mechanism, the electricity generation mechanism connecting to the battery assembly electrically. The electricity supplier and the USB slot connect to the battery assembly electrically. According to conditions, users can choose to recharge by the electricity supplier or the manual electricity generator assembly. Besides, the USB slot is capable of offering electricity to appliances with a USB plug. Therefore, the portable charger of the present invention can not only recharge for rechargeable batteries, but have more multi-purpose. As such, the practicability is increased as well. | 2013-02-07 |
20130033224 | METHOD AND APPARATUS FOR ALIGNING A VEHICLE WITH AN INDUCTIVE CHARGING SYSTEM - A method and apparatus for aligning a vehicle with an inductive charging system is characterized by the addition of alignment coils to a secondary coil on the vehicle. For efficient inductive charging, it is necessary that the vehicle mounted secondary coil be aligned with a stationary primary coil of a transformer of the inductive charging system. When the primary coil is energized, it produces a magnetic field which induces a voltage in the alignment coils as a function of the proximity of the alignment coils to the central axis of the primary coil. The voltage differential between opposed pairs of alignment coils is determined by a comparator which then generates a directional signal which can be used by the operator of the vehicle to position the vehicle for closer alignment of the vehicle secondary coil with the primary coil and more efficient charging. | 2013-02-07 |
20130033225 | Lossless Charger - A lithium ion power battery lossless charger adopts a charging method of overall serial constant-current and monomer parallel constant-voltage to realize lossless charging on lithium ion power batteries. Lossless includes two implications: one is that charging efficiency is close to 100%, and charging power is basically lossless; and the other one is that charging and discharging are completely based on the characteristic curve of the battery, and the battery per se is completely free of damages in charging and discharging processes. The lossless charger spares a battery management system, all functions of a battery system, a charging system, a discharging system and a maintenance management system are realized only by a simple circuit, and no overcharge, overheating, over discharge, over current or short circuit occurs. The terminal voltages of all monomer batteries are completely equal when charging is finished, and no equalized charging is required. Meanwhile, there aren't any complex control chips or software which are easy to be interfered, the charger is safe, reliable, simple and practical, and the cost, volume, weight and power consumption of the charge are all one tenth of those of the traditional charger. | 2013-02-07 |
20130033226 | Method and Apparatus for Handling a Charging State in a Mobile Electronic Device - Disclosed is a mobile device comprising a voltage supervisor and reset (VSAR) module configured to detect an input voltage, start a timer set to a predetermined time period responsive to detecting the input voltage, and output a low signal responsive to detecting the input voltage. The mobile device also comprises a battery charger module configured to receive the input voltage, receive the low signal, output a power signal, and charge a battery. The mobile device also comprises a processing module configured to receive the power signal, and attempt enumeration responsive to receiving the power signal, wherein the VSAR module is further configured to output a high signal to the battery charger module when the timer expires and enumeration has not been completed. | 2013-02-07 |
20130033227 | EXTENDABLE AND DEFORMABLE CHARGING SYSTEM - A subsurface mounted inductive charging coil system for electric vehicles accommodates the gap distance between primary charging coil and secondary coil on the vehicle with an extendable primary coil carrier. The system protects the primary coil when exposed by mounting on a deformable and elastic structure. By keeping the primary coil normally hidden in a deformable and elastic structure several advantages are obtained. The extendable structure is preferably a low pressure inflatable bladder or membrane in the floor for carrying, protecting, and extending the primary coil. | 2013-02-07 |
20130033228 | METHOD AND APPARATUS FOR INDUCTIVELY TRANSFERRING AC POWER BETWEEN A CHARGING UNIT AND A VEHICLE - An inductive charging system for vehicle battery chargers includes a transformer having a stationary primary coil and a secondary coil mounted on the vehicle. The primary coil is mounted in a charging station and has a power source connected therewith. When the vehicle is parked adjacent to the charging station, the secondary coil on the vehicle is proximate to the primary coil in the station. The power source is activated to deliver current to the primary coil which generates a magnetic field to induce a voltage in the secondary coil. A controller is connected with the power source to adjust the voltage delivered to the primary coil. A feedback loop between the secondary coil and the controller delivers a secondary voltage signal to the controller which continuously adjusts the power source in order to maintain the secondary output voltage at a predetermined value. | 2013-02-07 |
20130033229 | METHOD AND SYSTEM TO ELECTRICALLY CHARGE AND DISCHARGE A BATTERY USING AN ELECTRICAL CHARGING SYSTEM THAT ELECTRICALLY COMMUNICATES WITH A REGENERATIVE BRAKING ELECTRICAL CIRCUIT - A method to electrically charge an energy storage device (ESD) includes a step of electrically charging the ESD with energy transmitted through a regenerative braking electrical circuit (RBEC) disposed on vehicle by an electrical charging system (ECS) in electrical connection therewith. The ESD may be electrically charged by the ECS or a motor/generator that is also in electrical communication with the RBEC. The method also includes another step of electrically transmitting energy from the ESD through the RBEC and the ECS to supply energy to a power grid disposed external to the vehicle. An ECS for electrically charging an ESD is also presented that includes a first transducer, a second transducer that wirelessly receives energy from the first transducer, a motor/generator, and at least one electrical component which receives energy from the second transducer or energy from the motor/generator to electrically charge the ESD. | 2013-02-07 |
20130033230 | DEVICE AND METHOD FOR STORING ELECTRICAL ENERGY - A device for storing electrical energy in a vehicle includes at least one vehicle battery, which can be connected to an electrical power network by a vehicle charging interface of the vehicle. The vehicle battery has a storage capacity for storing electrical energy. The storage capacity of the vehicle battery is partitioned for different users. | 2013-02-07 |
20130033231 | SYSTEMS AND METHODS FOR BALANCING BATTERY CELLS - A cell balancing system includes multiple bypass paths and a battery management circuit. The multiple bypass paths are coupled in parallel to the battery cells. The battery management circuit is coupled to the bypass paths and monitors cell voltages of the battery cells, compares the cell voltages with a first reference voltage for a first stage, enables a bypass path in the first stage if a battery cell in parallel with the bypass path has a cell voltage at the first reference voltage, and compares the cell voltages of the battery cells with a second reference voltage for a second stage if a specified cell voltage in the first stage is at the first reference voltage. | 2013-02-07 |
20130033232 | STORAGE BATTERY DEVICE - According to one embodiment, an AC blocking filter is provided between charging/discharging terminals of a storage battery and an inverter that converts a DC output of the storage battery to an AC output. Further, a DC blocking filter is connected to the charging/discharging terminals. An alternating current generation device supplies a warm-up alternating current to the storage battery via the DC blocking filter. | 2013-02-07 |
20130033233 | BATTERY PACK FOR ELECTRIC POWER TOOL, CONTROL CIRCUIT, AND PROGRAM - A battery pack for electric power tool is provided with a battery and a control circuit. The circuit includes a condition satisfaction determination unit, a continua lion satisfaction determination unit, and a sleep-mode transition unit. The condition satisfaction determination unit determines whether each of at least one predetermined sleep-mode transition condition is satisfied, and determines whether an all-condition satisfaction state is present, which is a state wherein all of the at least one sleep-mode transition condition are satisfied. The continuation satisfaction determination unit determines whether the all-condition satisfaction state has continued for a predetermined. period of time when the condition satisfaction determination unit determines that the all-condition satisfaction state is present, The transition unit stops part of operation of the circuit to shift the circuit to a sleep mode when the continuation satisfaction determination. unit determines that the all-condition satisfaction state has continued for the predetermined period of time. | 2013-02-07 |
20130033234 | FREQUENCY BASED ELECTRIC VEHICLE CHARGE CONTROLLER SYSTEM AND METHOD FOR IMPLEMENTING DEMAND RESPONSE AND REGULATION SERVICES TO POWER GRID USING FREQUENCY DETECTION - Frequency responsive charging for plug-in hybrid electric vehicles (PHEV) and battery electric vehicles (BEV), a frequency sensing charging system and a method are provided for implementing demand response and regulation services to power grid using frequency detection for a frequency-based charge controller for plug-in hybrid electric vehicles (PHEV) and battery electric vehicles (BEV). A frequency of the power grid is continuously monitored and compared to a predefined tolerance band by a frequency sensor. Responsive to the frequency being outside the predefined tolerance band, the frequency is applied to a programmable logic controller. The programmable logic controller uses the applied frequency to identify a control action. A charge controller and a switch coupled to a battery charger receive respective identified control actions for controlling the battery charger. | 2013-02-07 |
20130033235 | POWER SUPPLY APPARATUS, CONTROL METHOD, AND RECORDING MEDIUM - A power supply apparatus includes a power supply unit that outputs power wirelessly to an electronic device and a setting unit that sets a first time and a second time. The first time includes a period of time that the power supply unit outputs the first power. The second time includes a period of time that the power supply unit outputs the second power. | 2013-02-07 |
20130033236 | SYSTEMS AND METHODS FOR DISCHARGING AN AC INPUT CAPACITOR WITH AUTOMATIC DETECTION - System and method for discharging a capacitor. An example system includes a signal detector and a discharge control component. The signal detector is configured to receive an input signal and generate a detection signal based on at least information associated with the input signal, the input signal being associated with an alternate current signal received by a capacitor including a first capacitor terminal and a second capacitor terminal. The discharge control component configured to receive at least the detection signal and generate an output signal to discharge the capacitor if the detection signal satisfies one or more conditions. | 2013-02-07 |
20130033237 | POWER GENERATION CONTROL SYSTEM FOR VEHICLE - A power generation control system for a vehicle may include a battery supplying power to an electric load, a power generator supplying power to the battery and the electric load, and an electronic control unit (ECU) controlling the power generator in real time, based on driving information inputted from outside, battery information inputted from outside, and an efficiency map of the power generator, which may be predetermined by an efficiency map of an engine and built in the power generator. | 2013-02-07 |
20130033238 | EXCITATION DEVICE - In an excitation device for stators of generators for high-induction measurement, the greatest possible compensation of the reactive power requirement is achieved. Depending on the size and energy requirement of the generator, a number of individual excitation modules with a corresponding number of individual excitation windings are provided, wherein a minimum necessary total excitation current can be supplied by superimposing the individual currents of the excitation windings. | 2013-02-07 |
20130033239 | Means of Providing Variable Reactive Load Capability on an Electronic Load - Embodiments of the invention include an electronic load having variable reactive load capability and techniques for controlling and/or modeling a reactive component in a load. The electronic load can include a user interface through which a latency value is received from a user. A delay is created based on the latency value between the time that a variable of the input signal is sensed and the time that a variable of the input signal is driven to a new value, thereby simulating a reactive component in the electronic load based on the created delay. In one example embodiment, the driven variable can be stepped after the created delay to produce an approximation of a capacitive or inductive element. In another example embodiment, the driven variable can be slewed during the delay period using an arbitrary waveform generator, thereby more accurately simulating the reactive component. | 2013-02-07 |
20130033240 | PFC THD REDUCTION BY ZVS OR VALLEY SWITCHING - A digital controller for a power factor correction (PFC) circuit, has first means for generating a first control signal for a switching transistor to avoid continuous oscillation between an inductor and parasitic capacitance of the switching transistor during discontinuous mode operation when an input voltage is less than substantially 50% of an output voltage. Second means generates a second control signal for a switching transistor to avoid continuous oscillation between an inductor and parasitic capacitance of the switching transistor during discontinuous mode operation when an input voltage is greater than substantially 50% of an output voltage. A power factor correction circuit and a method of operating a power factor correction circuit are also disclosed. | 2013-02-07 |
20130033241 | DC-DC CONVERTER CAPABLE OF CONFIGURING TOPOLOGY - Disclosed is a DC-DC converter including: a switch unit controlling a flow of a current based on a buck-boost topology; a short circuit unit short circuited or opened according to an external setting to change a topology of the switch unit; an inductor storing a current induced by the switch unit; a topology selecting unit selecting a topology in response to an external input signal and generating a signal corresponding to the selected topology; a pulse width modulating unit generating a signal for determining an operation time of the switch unit; a reverse flow detecting unit detecting a reverse flow of a current flowing through the switch unit to generate a signal; and a switch control unit controlling the switch unit in response to signals of the topology selecting unit, the pulse width modulating unit and the reverse flow detecting unit. | 2013-02-07 |
20130033242 | VOLTAGE REGULATOR WITH CHARGE PUMP - In one embodiment, a regulator circuit is provided. The regulator circuit includes a control circuit configured and arranged to adjust an oscillation frequency of a variable frequency oscillator in response to a feedback signal indicating the regulated output voltage. A charge pump is coupled to an output of the variable frequency oscillator and is configured to charge one or more energy storage elements in response to the output of the variable frequency oscillator. The regulator circuit includes a plurality of output stages, each having an input driven by the output of the charge pump and being configured to drive the regulated output voltage. Each output stage is selectably enabled or disabled in response to respective enable signal provided to the output regulator by an enable control circuit. | 2013-02-07 |
20130033243 | DRIVE CIRCUIT OF POWER UNIT, AND POWER UNIT - A drive circuit of a power unit, which includes a high-side transistor and a low-side transistor connected in series between a high potential power-supply line and a low potential power-supply line, and an inductor provided between a connection node of both of the transistors and an output terminal, and which drives both of the transistors, the drive circuit has: a first gate driver which drives a gate of the high-side transistor; and a second gate driver which drives a gate of the low-side transistor. In a transitional period of changing from a first state where the high-side transistor is ON and the low-side transistor is OFF to a second state where the high-side transistor is OFF and the low-side transistor is ON, the first gate driver drives the gate of the high-side transistor to a first voltage which is lower than a potential of the low potential power-supply line. | 2013-02-07 |
20130033244 | Low Dropout Linear Regulator - Various embodiments of the present invention provide apparatuses and methods for regulating an output voltage. For example, an apparatus is discussed that includes a low dropout regulator having a pass transistor and an amplifier and being operable to regulate the output voltage based on a feedback signal and a feedforward signal. The apparatus also includes an auxiliary low dropout regulator having an auxiliary pass transistor and an auxiliary amplifier. The auxiliary dropout regulator is operable to generate the feedforward signal and is substantially matched with the amplifier. | 2013-02-07 |
20130033245 | BANDGAP CIRCUIT FOR PROVIDING STABLE REFERENCE VOLTAGE - The invention provides a bandgap circuit for providing stable reference voltages. The bandgap circuit comprises a core circuit and an output branch. The core circuit comprises: a first transistor, coupled between a supplied working voltage and a first node, and having a gate coupled to the first node; a second transistor, coupled between the supplied working voltage and a second node, and having a gate coupled to the first node; a third transistor, coupled between the first node and a ground voltage, and having a gate coupled to a third node; a fourth transistor, coupled between the third node and the ground voltage, and having a gate coupled to the second node; and a first resistor, coupled between the second and third nodes. The output branch is coupled to the core circuit to receive an output of the core circuit, and arranged to output a reference voltage at an output node. | 2013-02-07 |
20130033246 | POWER MANAGEMENT FOR LOADS SUPPLIED WITH POWER FROM WILD SOURCES - A solid-state power regulator (SSPR) regulates power delivered to a frequency tolerant load from a wild-source generator. The SSPR includes a solid-state switching device and a controller. The solid-state switching device is turned On to deliver power from the wild-source generator to the frequency-tolerant load and Off to prevent the delivery of power to the frequency-tolerant load. The controller monitors the power delivered to the frequency-tolerant load and selectively modulates the solid-state switching device to regulate the power delivered. | 2013-02-07 |
20130033247 | VOLTAGE REGULATOR - A voltage regulator has a phase compensation circuit which changes consumption current according to load current thereby to reduce consumption current. The phase compensation circuit includes: a first transistor having a drain connected to an output terminal of an error amplifier circuit; a second transistor having a drain connected to a gate of the first transistor and a gate connected to the gate of the first transistor; a current mirror circuit connected to the output terminal of the error amplifier circuit, a drain of the first transistor, and the drain of the second transistor; and a capacitor connected between the gate of the second transistor and a drain of an output transistor. Thereby, current consumed by the phase compensation circuit can be changed according to the load current, resulting in that the voltage regulator consumes less current. | 2013-02-07 |
20130033248 | Methods to Reduce Output Voltage Ripple in Constant On-Time DC-DC Converters - According to one aspect of the teachings herein, a DC-to-DC converter operates according to an advantageous constant on-time topology that reduces output voltage ripple during light load conditions. The converter produces an output voltage by driving high-side and low-side switches in an inductor-based switching circuit, and regulates the output voltage by varying the on-time of a low-side switch, while holding the on-time of the high-side switch constant. Advantageously, the converter shortens the on-time of the high-side switch during light load conditions, which reduces the output voltage ripple. Thus, the converter may be understood as using a first, constant on-time for the high-side switch during “normal” operations and a second, shorter on-time for the high-side switch during light load conditions. | 2013-02-07 |
20130033249 | CONTROL OF DELIVERY OF CURRENT THROUGH ONE OR MORE DISCHARGE LAMPS - A process for controlling a current supplied to a load includes, in at least one aspect, detecting input to control a current supplied to a load operated by a driving signal, and in response to detecting the input, modifying the driving signal to control the current supplied to the load, wherein modifying the driving signal comprises alternately applying a first duty cycle and a second duty cycle to the driving signal. | 2013-02-07 |
20130033250 | POWER-UP INITIAL CIRCUIT - A power-up initial circuit includes a power-up control unit, a first switch and a second switch. The power-up control unit is used for receiving a high voltage start-up signal, and generating a first power-up control signal. The first switch has a first terminal for receiving an external voltage, a second terminal for coupling to the power-up control circuit for receiving the first power-up control signal, and a third terminal. The second switch has a first terminal coupled to the third terminal of the first switch, a second terminal for coupling to the power-up control circuit for receiving the first power-up control signal, and a third terminal for coupling to a high voltage generator. | 2013-02-07 |
20130033251 | SEMICONDUCTOR INTEGRATED CIRCUIT - A semiconductor integrated circuit includes constant current circuit, starter circuit and power supply start-up circuit. In the constant current circuit, first current mirror circuit includes first and second transistors, and second current mirror circuit includes third and fourth transistors that are connected to first and second nodes. In the starter circuit, a potential of first node controls sixth transistor, seventh transistor is connected to third node, gate electrode of the seventh transistor is at ground potential, a capacitance element is connected to fourth node, and a potential of fourth node controls fifth transistor, which supplies start-up current to the constant current circuit via second node. In the power supply start-up circuit, source electrode of eighth transistor is fixed at power supply voltage, gate electrode is at ground potential, and drain electrode supplies power to the other circuits. | 2013-02-07 |
20130033252 | Monitoring and Manipulating Cellular Transmembrane Potentials using Nanostructures - The use of nanostructures to monitor or modulate changes in cellular membrane potentials is disclosed. Nanoparticles having phospholipid coatings were found to display improved responses relative to nanoparticles having other coatings that do not promote localization or attraction to membranes. | 2013-02-07 |
20130033253 | MULTIMETER HAVING CLAMPING MEANS FOR TEST PROBE - A multi-meter for a test probe includes a main body, two test probes and a clamping means. The test probe includes a test pin, a connecting portion, and a lead electrically connected between the test pin and the connecting portion. The connecting portion is inserted into the main body and electrically thereto. The clamping means comprises a liftable cover and a clamping portion formed on the liftable cover. One end of the liftable cover is pivotally connected to the main body. The clamping portion is configured to clamp the test pin. By this structure, the test pin is clamped by the camping portion to help a user carrying out the measurement. | 2013-02-07 |
20130033254 | ROTOR PHASE/SPEED ESTIMATING DEVICE FOR AN AC MOTOR - A rotor phase/speed estimating device includes a high-frequency voltage injection unit, a high-frequency current amplitude detection unit of a fundamental wave component, a correlation signal generation unit, and a rotor phase generation unit. The high-frequency voltage injection unit applies a high-frequency voltage to an AC motor. The high-frequency current amplitude detection unit of a fundamental wave component detects a primary Fourier coefficient equivalent value. The correlation signal generation unit is arranged to generate a correlation signal using the Fourier coefficient equivalent value. The rotor phase generation unit is arranged to generate an estimated value of the rotor phase and an estimated value of a rotor speed using the correlation signal. | 2013-02-07 |
20130033255 | Gas Magnetometer - Measurement of a precessional rate of a gas, such as an alkali gas, in a magnetic field is made by promoting a non-uniform precession of the gas in which substantially no net magnetic field affects the gas during a majority of the precession cycle. This allows sensitive gases that would be subject to spin-exchange collision de-phasing to be effectively used for extremely sensitive measurements in the presence of an environmental magnetic field such as the Earth's magnetic field. | 2013-02-07 |
20130033256 | SENSOR AND SENSOR ELEMENT - Sensor with a one-layer or multi-layer sensor element operating in a contact-free manner and a housing comprising an electric/electronic connection and, in given cases, electronic components, where the sensor element comprises a coil arrangement whose windings have a defined line width, line thickness, and line spacing per layer and whose layers have a defined layer thickness and, in given cases, a defined layer spacing, characterized in that the sensor element is built up from ceramic layers in the sense of multi-layer ceramics and that with respect to traditional coil arrangements the line width is reduced and the number of windings per cross-sectional surface area is increased. | 2013-02-07 |
20130033257 | ELECTROMAGNETIC INDUCTION TYPE ABSOLUTE POSITION MEASURING ENCODER - An electromagnetic induction type absolute position measuring encoder having two or more rows of scale coils, each of the rows having a scale pitch different from that of another row; a transmitter coil and a receiver coil arranged on a grid that is movable relative to the scale in the measuring direction so as to face the scale coils; and the track is constituted by the scale coils, the transmitter coil and the receiver coil. The encoder is capable of measuring an absolute position of the grid with respect to the scale from a flux change detected at the receiver coil via the scale coils when the transmitter coil is excited, in which at least one loop-shaped additional scale coil is added between the scale coils in at least one of the tracks. | 2013-02-07 |
20130033258 | Power Line Proximity Monitoring System and Method - Several systems and methods for monitoring the proximity of a device to a power line are disclosed. Electric field monitoring systems are mounted to the device and include a plurality of electric field sensors and a monitoring system base unit. Each electric field monitoring sensor senses the strength of a magnetic field in which the sensor is positioned and transmits a corresponding magnitude output signal to the base unit when polled by the base unit. If a sensor reports a magnetic field exceeding a threshold, the frequency of polling for that sensor may be increased. If a sensor reports a magnetic field exceeding another (possibly identical) threshold, an alarm may be activated, movement of the device may be limited or stopped or another action or a combination of actions may be taken. | 2013-02-07 |
20130033259 | POSITION DETECTOR - A permanent magnet is fixed to a stationary portion. A yoke made of magnetic material is provided to a rotating portion. The yoke is tube-shaped to surround the permanent magnet and has a chord portion into which a magnetic flux generated by the permanent magnet preferentially flows. The chord portion is arranged in such a manner as to be close to the permanent magnet. A Hall element is arranged at a specified position of the stationary portion relative to the permanent magnet | 2013-02-07 |
20130033260 | CURRENT SENSOR - A current sensor includes a pair of magnetic balance sensors and a switching circuit. The magnetic balance sensors each include a magnetic sensor element and a feedback coil. The magnetic sensor element varies in characteristics due to an induction field caused by measurement current. The feedback coil is disposed near the magnetic sensor element and produces a canceling magnetic field canceling out the induction field. Each of the magnetic balance sensors outputs, as a sensor output, a value corresponding to current flowing through the feedback coil when a balanced state in which the induction field and the canceling magnetic field cancel each other out is reached after the feedback coil is energized. The switching circuit turns on/off one of the magnetic balance sensors. | 2013-02-07 |
20130033261 | Noble Gas Magnetic Resonator - Precise measurements of a precessional rate of noble gas in a magnetic field is obtained by constraining the time averaged direction of the spins of a stimulating alkali gas to lie in a plane transverse to the magnetic field. In this way, the magnetic field of the alkali gas does not provide a net contribution to the precessional rate of the noble gas. | 2013-02-07 |
20130033262 | METHOD TO GENERATE MAGNETIC RESONANCE EXPOSURES - In a method described for generating magnetic resonance exposures in which diffusion-coded raw data are acquired with of a diffusion gradient measurement sequence having a number of partial diffusion gradient sequences, at least one diffusion coding gradient pulse is emitted in each partial data set, and raw data of a k-space region are acquired during a first echo after a defined first echo time the k-space regions in total covering a complete k-space. Raw data of an established navigator k-space region are acquired during a second echo after a second echo time the navigator k-space region being identical for different partial diffusion gradient sequences. Reference raw data are acquired by a reference measurement sequence with multiple partial reference sequences. | 2013-02-07 |
20130033263 | METHOD AND MAGNETIC RESONANCE SYSTEM FOR ACQUIRING MAGNETIC RESONANCE DATA IN A PREDETERMINED REGION OF AN EXAMINATION SUBJECT - In a method and a magnetic resonance system to acquire MR data in a predetermined region within an examination subject, a first three-dimensional volume segment is selectively excited with an RF excitation pulse, this first volume segment including the predetermined region and having a first thickness along a first thickness direction. A selective refocusing pulse is activated in order to selectively refocus a second volume segment. The second volume segment likewise includes the predetermined region and has a second thickness along a second thickness direction orthogonal to the first thickness direction. | 2013-02-07 |
20130033264 | MAGNETIC RESONANCE IMAGING APPARATUS AND SCANNING-CONDITION SETTING METHOD - According to a Magnetic Resonance Imaging (MRI) apparatus, a scanning-parameter limit calculating unit creates examination information that represents scanning conditions for collection of magnetic resonance signal data based on scanning parameters set by an operator; a scanning-condition edit/scan positioning unit creates a time chart that indicates the type and a sequential execution order of an event to be executed when collecting magnetic resonance signal data based on the examination information created by the scanning-parameter limit calculating unit, and causes a time-chart display unit to display the created time chart. | 2013-02-07 |
20130033265 | Electrical and Fluid Connection System for Magnetic Imaging - Imaging signals from one or more surface coils are directed outwardly through a rear end portion of an imaging bore of an imaging machine, such as a magnetic resonance imaging machine (MRI). Initial processing of the imaging signals can be carried out within the imaging bore and transmitted through a pair of releasable connectors to external imaging processing equipment. By routing the surface coil imaging signals through the open rear end of an imaging bore, wires and other signal processing components need not be squeezed through the relatively limited space available around the front portion of an imaging bore. Fluid passages can be provided through the pair of releasable connectors for the passage of heating fluids, cooling fluids, and pressurized gasses including anesthesia gasses. | 2013-02-07 |
20130033266 | TESTING APPARATUS FOR PIEZOELECTRIC/ELECTROSTRICTIVE DEVICE - There is provided a method for testing a piezoelectric/electrostrictive actuator, wherein the displacement of a piezoelectric/electrostrictive actuator is estimated on the basis of the relations between one or more frequency characteristic values selected from the group consisting of the heights and areas of the peaks of the resonance waveforms and the difference of the maximum and minimum of the first order or first to higher orders of the resonance frequency characteristic values of the piezoelectric/electrostrictive actuator and the k-th order (k=1 to 4) of the first or first to higher orders of resonance frequencies. According to this piezoelectric/electrostrictive actuator testing method, a piezoelectric/electrostrictive actuator can be tested with high precision without actually driving the same as a product and without being accompanied by any disassembly/breakage. | 2013-02-07 |
20130033267 | OPTICAL SENSOR ASSEMBLY FOR INSTALLATION ON A CURRENT CARRYING CABLE - An optical sensor assembly, for installation on a current carrying cable, senses the current in the cable and provides an electrical output indicating the current. To sense the current, a magnetic concentrator is placed in close proximity to the cable and creates a magnetic field representing current in the cable. An optical current sensor, within the created magnetic field, exposes a beam of polarized light to the magnetic field. The beam of polarized light is rotated thereby, by Faraday effect, according to the current in the cable. The amount of rotation is analyzed and converted to electrical signals to portray the current in the cable. The electrical signals may be processed, evaluated and analyzed to provide one or more of several elements of quality of the current in the cable. | 2013-02-07 |
20130033268 | TEST SYSTEM FOR WIND TURBINE DUMP LOAD - The present invention relates to a dump load applied in a wind turbine generator; normally it is only operating to absorb the energy during faults. Therefore in the majority time of wind turbine generator operation, the dump load is not applied, and its health condition is unknown. This invention is about a method to check the dump load condition during normal operation. | 2013-02-07 |
20130033269 | Fuse Tester And Puller - A fuse tester ( | 2013-02-07 |
20130033270 | ELECTROMAGNETIC INTERFERENCE TEST SYTEM WITH SELF-CHECKING FUNCTION AND SELF-CHECKING METHOD - An electromagnetic interference (EMI) test system with self-checking function for detecting electromagnetic interference includes a signal source, a line impedance stabilization network (LISN), a coupling decoupling network (CDN), an impedance stabilization network (ISN) and a receiver. The signal source provides an electronic signal, the LISN separates interference signal from the electronic signal. The CDN outputs a coupling signal, and the ISN separates interference signal from the signal from the CDN. The receiver figures out current signal strength of each frequency points of the signal from the ISN and compares the current signal strength with a reference value to determine whether the EMI test system works normally according to the comparison. | 2013-02-07 |
20130033271 | Wireless Open-Circuit In-Plane Strain and Displacement Sensor Requiring No Electrical Connections - A wireless in-plane strain and displacement sensor includes an electrical conductor fixedly coupled to a substrate subject to strain conditions. The electrical conductor is shaped between its ends for storage of an electric field and a magnetic field, and remains electrically unconnected to define an unconnected open-circuit having inductance and capacitance. In the presence of a time-varying magnetic field, the electrical conductor so-shaped resonates to generate harmonic electric and magnetic field responses. The sensor also includes at least one electrically unconnected electrode having an end and a free portion extending from the end thereof. The end of each electrode is fixedly coupled to the substrate and the free portion thereof remains unencumbered and spaced apart from a portion of the electrical conductor so-shaped. More specifically, at least some of the free portion is disposed at a location lying within the magnetic field response generated by the electrical conductor. A motion guidance structure is slidingly engaged with each electrode's free portion in order to maintain each free portion parallel to the electrical conductor so-shaped. | 2013-02-07 |
20130033272 | INLINE MEASURING APPARATUS AND METHOD - An inline measuring apparatus ( | 2013-02-07 |
20130033273 | INDUCTIVE PROXIMITY SENSOR - An inductive proximity sensor and a method comprising a transmitter coil, a receiver coil, an excitation device which is connected to the transmitter coil and an evaluation device, wherein the evaluation device is designed to generate an output signal which depends on a voltage ratio between a transmission voltage of the transmitter coil and/or of the excitation device and a reception voltage of the receiver coil, wherein the excitation device is designed to generate a sinusoidal radio frequency transmission voltage. An inductive proximity sensor and a method comprising a transmitter coil, a receiver coil, an excitation device which is connected to the transmitter coil and an evaluation device, wherein the evaluation device is designed to generate an output signal which is dependent on a reception voltage of the receiver coil, wherein the excitation device is designed to generate a sinusoidal radio frequency transmission voltage with a constant amplitude. | 2013-02-07 |
20130033274 | MICROELECTROMECHANICAL SENSOR WITH DIFFERENTIATED PERFORMANCES AND METHOD OF CONTROLLING A MICROELECTROMECHANICAL SENSOR - A microelectromechanical sensor includes a supporting structure and a sensing mass, which is elastically coupled to the supporting structure, is movable with respect thereto with one degree of freedom in response to movements according to an axis and is coupled to the supporting structure through a capacitive coupling. A sensing device senses, on terminals of the capacitive coupling, transduction signals indicative of displacements of the first sensing mass according to the degree of freedom. The sensing device includes at least one first reading chain, having first operative parameters, one second reading chain, having second operative parameters different from the first operative parameters, and one selective electrical connection structure that couples the first reading chain and the second reading chain to the first terminals. | 2013-02-07 |
20130033275 | FUEL PROPERTY DETECTION DEVICE - A first electrode has a fuel passage. A second electrode defines a predetermined gap with the first electrode in the fuel passage. A third electrode defines a predetermined gap with the second electrode in the fuel passage. The first electrode and the second electrode form a first capacitance therebetween. The second electrode and the third electrode form a second capacitance therebetween. A circuit portion is configured to compute a property of fuel in the fuel passage according to the first capacitance and the second capacitance. | 2013-02-07 |
20130033276 | AUTOMATIC TESTING EQUIPMENT, AUTOMATIC TESTING SYSTEM AND METHOD FOR CONTROLLING AUTOMATIC TESTING THEREOF - An automatic testing equipment, an automatic testing system, an a method for controlling automatic testing thereof are disclosed. The automatic testing equipment is used for receiving a control signal to test a durability of a connecting port of a device under test (DUT). The automatic testing equipment includes a testing platform, a testing unit, and a power control unit. The testing platform is used for disposing the DUT. The testing unit includes a main body, an assembly unit, and a height adjustment unit. The assembly unit is used for assembling a test connector. The height adjustment unit is connected with the main body and works with the assembly unit to adjust a height of the assembly unit. The power control unit drives the testing unit to test the connecting port via the test connector after receiving the control signal. | 2013-02-07 |
20130033277 | THERMAL AND STRESS GRADIENT BASED RC EXTRACTION, TIMING AND POWER ANALYSIS - Timing, power and SPICE analysis are performed on a circuit layout, based on temperature and stress variations or gradient across the circuit layout. Specifically, the temperature and stress values of individual window locations across the layout are used to obtain temperature and stress variation aware resistance/capacitance (RC), timing, leakage and power values. In addition, in 3D integrated circuits (IC), the stress and thermal variations or gradients of one die may be imported to another die located on a different tier. | 2013-02-07 |
20130033278 | INSPECTION CONTACT ELEMENT AND INSPECTING JIG - Provided is a micro contact element which is capable of coping with the miniaturization and greater complexity of substrates or boards, which is simplified due to a reduction in the number of components, and which creates sufficient contact pressure and stroke. Also provided is an inspection jig using this contact element. An inspection contact element having the contact pressure and amount of contraction required to carry out an inspection is formed by using notch parts respectively formed in two conductive cylindrical members having different outer and inner diameters so that the notch parts can function as elastic parts, and combining the two cylindrical members in such a way that the elastic parts are arranged in parallel or in series. | 2013-02-07 |
20130033279 | Electromagnetic Test Enclosure - The present disclosure is directed to systems and methods for operating, designing, testing and verifying the performance of wireless communication devices. Specifically, the present systems and methods can reliably determine the operating behavior of wireless communication modules within electronic products and devices in a relatively inexpensive and compact testing cabinet, with useful electromagnetically isolating structure, that allows for scalable, multi-application and production line operation and testing and verification of electromagnetic equipment therein. | 2013-02-07 |
20130033280 | SELF-RETAINING VIA PROBE - A planar body is configured such that its edges engage the sidewall of a via of a device under test to create point electrical contacts and the planar body resists removal of the planar body from the via after insertion. The edges of the planar body may include barbs that create point electrical contacts and resist removal of the planar body from the via after insertion. The end of the body that is inserted into the via may form a tapered tip to facilitate insertion. The end of the planar body that is inserted into the via may include barbs that resist removal of the planar body from the via after insertion. The edges of the planar body may include stops that prevent further insertion of the planar body into the via beyond the stops. | 2013-02-07 |
20130033281 | PROBE ASSEMBLY - A probe assembly includes a probe, a transducer, and a cable electronically connecting the probe with the transducer. The cable has a jacket made of an extreme-environment resistant material. | 2013-02-07 |
20130033282 | CONTACT STRUCTURE AND METHOD OF MANUFACTURING CONTACT STRUCTURE - A contact structure has a probe and a housing disposed on an outer circumference thereof. The housing has a housing main body in which a hollow section vertically penetrating the same is formed, and a conductive coat film with which an inner wall surface of the hollow section is coated. The probe has a base end portion fixed in place on one end side of the housing, a conductive leading end portion that is movable in the hollow section while being in contact with the coat film and has, on a leading end thereof, a contact that comes into contact with a subject to be inspected, and an elastic portion that connects together the base end portion and the leading end portion, is disposed in the hollow section, and has elasticity. | 2013-02-07 |
20130033283 | PROBING DEVICE - A probing device includes a circuit board, a reinforcing plate, at least one space transformer and at least one probe assembly. The reinforcing plate is disposed on the circuit board, and the reinforcing plate has a plurality of inner conductive wires electrically connecting to those of the circuit board. The reinforcing plate defines a plurality of receiving space therein. The space transformer is disposed on the reinforcing plate, and the space transformer has a plurality of inner conductive wires electrically connecting to those of the reinforcing plate via a plurality of first solder balls. The probe assembly is disposed on the space transformer, and the probe assembly includes a plurality of probes. The first solder balls are disposed in the receiving spaces, and the reinforcing plate abuts against the space transformer. | 2013-02-07 |
20130033284 | DISGUISING TEST PADS IN A SEMICONDUCTOR PACKAGE - A method of forming a semiconductor package is disclosed including disguising the test pads. Test pads are defined in the conductive pattern of the semiconductor package for allowing electrical test of the completed package. The test pads are formed in shapes such as letters or objects so that they are less recognizable as test pads. | 2013-02-07 |
20130033285 | METHODS FOR RELIABILITY TESTING OF SEMICONDUCTOR DEVICES - In accordance with a exemplary embodiments, methods for performing reliability testing of a plurality of transistors formed on a substrate includes simultaneously stressing the plurality of transistors by applying a voltage potential from each of a plurality of voltage sources to respective drain contacts of a like plurality of row groups and to gate contacts of a like plurality of column groups for a time interval, while applying a reference potential to the substrate and source contacts of the plurality of transistors. After stressing the plurality of transistors for a time interval, the transistors are each measured individually to collect reliability data. | 2013-02-07 |
20130033286 | Non-Destructive Tilt Data Measurement to Detect Defective Bumps - The present disclosure includes techniques and apparatus for making non-contact differential measurements of various dimensions of electronic components surface mounted on circuit boards. Tilt data relating to the electronic components is derived from the differential measurements to provide an indication of the integrity of the electrical connection between the electronic components to the circuit board. The techniques and apparatus of the present disclosure make it possible to accomplish non-destructive inspection of the connection without individually inspecting each bump-terminal connection. | 2013-02-07 |
20130033287 | Balanced Single-Ended Impedance Control - A balanced single-end impedance control system is disclosed. In a particular embodiment, the circuit includes a first transistor coupled to a first output terminal and a second transistor coupled to a second output terminal. The circuit also includes a third transistor and a fourth transistor, where device characteristics of the third transistor substantially match device characteristics of the first transistor and device characteristics of the fourth transistor substantially match device characteristics of the second transistor. The circuit further includes a first control path and a second control path. The first path is coupled to the third transistor and provides a first rail voltage to control a first gate control voltage of the first transistor. The second control path is coupled to the fourth transistor and provides a second rail voltage to control a second gate control voltage of the second transistor. The impedances of the first and second transistors may be controlled by the first gate control voltage and the second gate control voltage respectively. | 2013-02-07 |
20130033288 | SEMICONDUCTOR DEVICE - A semiconductor device includes an impedance control signal generation unit configured to generate an impedance control signal for controlling an impedance value, a first processing unit configured to process the impedance control signal in response to a first setup value and generate a first process signal, a first clock termination unit configured to be coupled with a first clock path and determine an impedance value responding to the impedance control signal, and a second clock termination unit configured to be coupled with a second clock path and determine an impedance value responding to the first process signal. | 2013-02-07 |
20130033289 | INPUT AND OUTPUT BUFFER INCLUDING A DYNAMIC DRIVER REFERENCE GENERATOR - A system having an input and output buffer includes a dynamic driver reference generator to generate dynamic driver reference signals based on a data signal and an IO buffer supply voltage, a level shifter to generate level shifted signals based, in part, on the dynamic driver reference signals, and a driver having at least one stress transistor. The driver dynamically adjusts a voltage across the stress transistor based on at least one of dynamic driver reference signals, the level shifted signals, and a current state of an IO pad. | 2013-02-07 |
20130033290 | APPARATUSES AND METHODS OF COMMUNICATING DIFFERENTIAL SERIAL SIGNALS INCLUDING CHARGE INJECTION - Apparatuses and methods are disclosed, including an apparatus that includes a differential driver with charge injection pre-emphasis. One such apparatus includes a pre-emphasis circuit and an output stage circuit. The pre-emphasis circuit is configured to receive differential serial signals, and buffer the differential serial signals to provide buffered differential serial signals. The output stage circuit is configured to receive the buffered differential serial signals and drive the buffered differential serial signals onto differential communication paths. The pre-emphasis circuit is configured to selectively inject charge onto the differential communication paths to assist with a signal transition on at least one of the differential communication paths. Additional embodiments are disclosed. | 2013-02-07 |
20130033291 | MULTI-OUTPUT-RESISTANCE SWITCH DRIVER CIRCUITS - A switch circuit can include an impedance selection switch and a multi-output-resistance switch driver. The impedance selection switch can electrically connect an impedance to an input of an amplifier in response to a driver output signal, and include at least one transistor. The multi-output-impedance switch driver may provide the driver output signal to the switch, and have a first, relatively higher output resistance when providing a first logic state of the driver output signal to turn on the switch, and a second, relatively lower output resistance when providing a second logic state of the driver output signal to turn off the switch. The ratio of the first output resistance to the second output resistance can be greater than a selected predetermined ratio value. | 2013-02-07 |
20130033292 | CIRCUITS AND METHODS FOR LATCH-TRACKING PULSE GENERATION - Circuits and methods for latch-tracking pulse generation across process, voltage and temperature (PVT) variations are disclosed in one embodiment, the method includes receiving a clock input at a pulse generation circuit and generating a pulse at the pulse generation circuit in response to the clock input. The method further includes distributing the pulse to a mimic latch, which writes a mimic storage node through a mimic storage circuit of the mimic latch in response to the pulse. The method further includes terminating generation of the pulse at the pulse generation circuit in response to a transition of the mimic storage node. The method may include receiving a clock enable input at a pulse control circuit coupled to the pulse generation circuit and either suppressing or allowing generation of a pulse in response to a value of the clock enable input. | 2013-02-07 |
20130033293 | PHASE LOCKED LOOP WITH PHASE CORRECTION IN THE FEEDBACK LOOP - A frequency synthesizer circuit is disclosed. The frequency synthesizer circuit includes a comparator circuit coupled to a reference clock and a phase-corrected output signal. The frequency synthesizer circuit also includes a loop filter coupled to the comparator circuit. The frequency synthesizer circuit also includes an oscillator coupled to the loop filter. The frequency synthesizer circuit also includes a fractional divider coupled to an output of the oscillator. The frequency synthesizer circuit also includes phase correction circuitry that corrects a phase of an output of the fractional divider to produce the phase-corrected output signal. | 2013-02-07 |