| 31st week of 2013 patent applcation highlights part 20 |
| Patent application number | Title | Published |
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| 20130193856 | SYSTEMS AND METHODS FOR PROVIDING HIGH-MAST LIGHTING - Systems and methods of providing illumination may be provided in accordance with the invention. A lighting unit may be provided comprising a plurality of light sources, each light source of said plurality being at least partially surrounded by an optical element, and a support configured to support the light source above a surface. The light sources may be light emitting plasma sources, and the support may be a high-mast support. In some embodiments, the optical element may be a reflector containing one or more facets, directing the light toward the surface. In some configurations, each light source of said plurality may be independently controllable and/or dimmable. A lighting unit may communicate with an external controller, which may provide instructions for controlling the light sources. A lighting system may be provided with a host controlling a plurality of lighting units, which may be organized into zones. The zones, lighting units, and/or light sources may be independently controllable. | 2013-08-01 |
| 20130193857 | HYBRID FIXTURE AND METHOD FOR LIGHTING - An energy efficient lighting fixture includes a light emitting diode section, a first high intensity fluorescent section having a first bulb and provided adjacent the light emitting diode section, and a second high intensity fluorescent section having a second bulb and provided adjacent the light emitting diode section. The fixture also includes a first reflector partially surrounding the first bulb and a second reflector partially surrounding the second bulb. | 2013-08-01 |
| 20130193858 | SPONTANEOUS LIGHT EMITTING DEVICE AND DRIVING METHOD THEREOF | 2013-08-01 |
| 20130193859 | Apparatus, Circuit and Method for Automatic Phase-Shifting Pulse Width Modulated Signal Generation - Systems, circuits and methods for phase-shifting pulse width modulated signal generation are disclosed. In some embodiments, a phase-shifting pulse width modulation circuit is configured to output pulses based on an input pulse width modulated signal. The pulses are staggered relative to one another, and can be received by a light-emitting diode driver for driving a light-emitting diode string at one or more time periods. The phase-shifting pulse width modulation circuit can include a counter-based programmable delay subcircuit consisting of two counter-based programmable delay blocks. | 2013-08-01 |
| 20130193860 | VARIABLE EFFECT LIGHT STRING - A light system that is controllable to generate a plurality of selected lighting effects, the light system includes a main processor, the main processor being in communication with a plurality of light sources; and each of the plurality of light sources having a distinct, known address whereby one of more of the light sources are individually addressable by the main processor, a known address being received by a selected light source of the plurality of light sources and acting to set the selected light source of the plurality of light sources in a disposition to receive a subsequent command from the main processor for generating a selected lighting effect. A light source and a method of forming a light system are further included. | 2013-08-01 |
| 20130193861 | LIGHT EMITTING DIODE CIRCUITS FOR GENERAL LIGHTING - Improved circuits minimize, or eliminate, energy losses in the supply of energy to control LEDs. Diodes and a capacitor reduce or eliminate LED blinking, and create smooth and continuous, infinitely variable dimming. The components are added to supply power to each LED during the half of the AC cycle where it would normally be turned off. A first added diode allows an added capacitor to charge during the half cycle that the original diode is turned on, but does not allow the other half cycle to discharge the added capacitor. When the added capacitor is charged enough to turn on the original diode, it stays on throughout the AC cycle. The same relationship exists between the second added diode, the added capacitor and the second original diode. Zener diodes protect the LEDs from voltage surges/spikes by shunting current around LEDs when the voltage exceeds the Zener diode's breakdown voltage. | 2013-08-01 |
| 20130193862 | LIGHT-EMITTING APPARATUS AND METHOD OF MANUFACTURING LIGHT-EMITTING APPARATUS - Provided is a light-emitting apparatus, wherein a plurality of light-emitting elements that emit the same type of color are arranged in a plurality of row directions and column directions, the plurality of light-emitting elements arranged in the row direction are connected in series in the row direction, and the rows having the plurality of light-emitting elements connected in series are connected in parallel. The plurality of light-emitting elements comprise first light-emitting elements, and second light-emitting elements having smaller outputs than the first light-emitting elements, and the first light-emitting elements and the second light-emitting elements are arranged alternately in each of the row directions. | 2013-08-01 |
| 20130193863 | Power Supply Device and Lighting Equipment Provided with Power Supply Device - A power supply device according to one embodiment is configured to control a lighting of semiconductor light-emitting elements, wherein a dimming signal is canceled during a predetermined time period (T) from a timing immediately after power-ON, so as to light on light-emitting diodes to have a predetermined light amount, for example, a minimum light amount. After an elapse of the predetermined time period (T), cancellation of the dimming signal is released to light on the light-emitting diodes to have a light amount instructed by the dimming signal. | 2013-08-01 |
| 20130193864 | LED DIMMING CIRCUIT FOR SWITCHED DIMMING - A light emitting diode (LED) dimming module includes an energy storage circuit, a load interface circuit, and a switch circuit. The energy storage circuit provides a substantially continuous current in response to a converter current. The load interface circuit provides a modulated load current in response to the continuous current. The switch circuit, which is operatively coupled to the load interface circuit, switches in accordance with a duty cycle. The modulated load current is based on the duty cycle. | 2013-08-01 |
| 20130193865 | METHOD AND APPARATUS FOR DRIVING A LIGHT EMITTING DIODE STROBE - In one embodiment, the present invention is a method and apparatus for driving a light emitting diode strobe. One embodiment of a circuit for driving a current controlled light source includes an energy storage stage for storing a charge level and an energy delivery stage for drawing current from the energy storage stage and applying a fixed amount, of current to the current controlled light source. | 2013-08-01 |
| 20130193866 | METHOD AND APPARATUS FOR DETECTING PRESENCE OF DIMMER AND CONTROLLING POWER DELIVERED TO SOLID STATE LIGHTING LOAD - A system and method control an amount of power delivered by a power converter ( | 2013-08-01 |
| 20130193867 | Impedance-Matching Network Using BJT Switches in Variable-Reactance Circuits - This disclosure describes systems, methods, and apparatuses for impedance-matching radio frequency power transmitted from a radio frequency generator to a plasma load in a semiconductor processing chamber. Impedance-matching can be performed via a match network having a variable-reactance circuit. The variable-reactance circuit can comprise one or more reactive elements all connected to a first terminal and selectively shorted to a second terminal via a switch. The switch can comprise a bipolar junction transistor (BJT) or insulated gate bipolar transistor (IGBT) controlled via bias circuitry. In an on-state, the BJT base-emitter junction is forward biased, and AC is conducted between a collector terminal and a base terminal. Thus, AC passes through the BJT primarily from collector to base rather than from collector to emitter. Furthermore, the classic match network topology used with vacuum variable capacitors can be modified such that voltages do not overload the BJT's in the modified topology. | 2013-08-01 |
| 20130193868 | INDEPENDENTLY ADJUSTABLE CURRENT AND VOLTAGE AC-AC CONVERTER - The present disclosure is directed to an alternating current (AC) to AC converter circuit for independently adjusting a current and voltage to adjust a light output of a light operating on AC power. In one embodiment, the AC to AC converter circuit includes a microprocessor, a first switch coupled to the microprocessor, a power factor controller (PFC) module coupled to the first switch, wherein the first switch is controlled by the microprocessor in accordance with a desired power output, one or more boost switches coupled to the PFC module, wherein the one or more boost switches are controlled by the PFC module as a function of an operation of the first switch and one or more load switches coupled to the one or more boost switches, wherein the one or more load switches are controlled by the microprocessor in accordance with the desired power output. | 2013-08-01 |
| 20130193869 | METHOD FOR CONTROLLING A LIGHTING APPARATUS - Disclosed is a method for controlling a lighting apparatus comprising a first light source unit, a second light source unit and a third light source unit, all of which emit lights having mutually different color temperatures and mutually different color coordinates, the method comprising: outputting an R component signal, a G component signal and a B component signal, each of which respectively corresponds to light quantities of an R component, a G component and a B component of lights outputted from the first light source unit, the second light source unit and the third light source unit; receiving the R component signal, the G component signal and the B component signal and generating a comparative color coordinate; and comparing the comparative color coordinate with standard color coordinates located within an area formed by the respective color coordinates of the first, the second and the third light source units, and controlling light quantities of the first, the second and the third light source units in such a manner as to reduce an error value between the standard color coordinate and the comparative color coordinate. | 2013-08-01 |
| 20130193870 | Digitally Controlled Current Regulator for High Power Solid State Lighting - A representative apparatus embodiment provides for controlling current supplied to solid state lighting, such as light emitting diodes. A representative apparatus comprises a memory adapted to store a plurality of current parameters, and a control circuit adapted to modulate an energizing cycle time period for providing a substantially constant DC average current to the solid state lighting in response to a selected current parameter from the plurality of current parameters. In a representative embodiment, the control circuit modulates a current provided to the solid state lighting in response to a predetermined minimum current level (I | 2013-08-01 |
| 20130193871 | Large Area Light Emitting Device Comprising Organic Light Emitting Diodes - The invention relates to an organic light emitting device having an electrode, a counter electrode, at least one light emitting region that includes a stack of organic layers between the electrode and the counter electrode, which stack of organic layers is provided between a metal substrate and a transparent encapsulation, a current supply layer, electrically connected to the electrode or the counter-electrode, the current supply layer being partially provided overlapping an electric insulating layer provided in direct contact with the metal substrate, and at least one electrical feedthrough through the metal substrate and through the electric insulating layer, which electrical feedthrough provides an electrical connection to the current supply layer and is electrically isolated from the metal substrate. | 2013-08-01 |
| 20130193872 | Multi-Functional Decorative Lighting - A decorative lighting system designed for both residential and commercial use is provided, which offers homeowners and business owners a means by which to selectively decorate their homes and businesses in a year-round fashion. Users can install the decorative lighting either a single time or few times, and thereafter manipulate a plurality of predetermined color schemes using a pre-programmed control panel. A plurality of methods and means for controlling the programming are also disclosed. | 2013-08-01 |
| 20130193873 | POWERING AND/OR CONTROLLING LEDS USING A NETWORK INFRASTRUCTURE - The subject matter disclosed herein provides methods and apparatus, including computer program products, for controlling and power lighting units connected to a network controller. In one aspect there is provided a method that may include receiving at a first input power from a power supply; receiving at a second input one or more illumination control packets from a data processing device via one or more network connections; transmitting from a first output power to one or more lighting units; and powering from a second output an illumination level of one or more colors associated with the one or more lighting units in accordance with the one or more illumination control packets via the one or more network connections. Related apparatus, systems, techniques and articles are also described. | 2013-08-01 |
| 20130193874 | POWER SUPPLY CIRCUIT AND METHOD FOR DRIVING THE SAME - A power supply circuit with high power efficiency is provided. Alternatively, a power supply circuit with high power efficiency that is suitable for driving a light-emitting device is provided. The power supply circuit can switch current control in which driving is controlled based on information on current flowing through a load and voltage control in which driving is controlled based on information on voltage applied to a load. In a period during which voltage control is performed, a current detector for detecting current flowing through the load is deactivated so that current does not flow through the current detector. | 2013-08-01 |
| 20130193875 | LIGHT SOURCE APPARATUS - A light source apparatus includes: a first light source unit; a second light source unit; and a light source control section that, divides a plurality of light sources in the first light source unit into a first light source group, light from which enters near an optical axis, and a second light source group surrounding the first light source group, and divides a plurality of light sources in the second light source unit into a third light source group, light from which enters near the optical axis, and a fourth light source group surrounding the third light source group, and performs control to decrease an output of the second light source group to be lower than an output of the first light source group and decrease an output of the fourth light source group to be lower than an output of the third light source group. | 2013-08-01 |
| 20130193876 | ADAPTIVE ENERGY PERFORMANCE MONITORING AND CONTROL SYSTEM - A controller is configured for and a corresponding method of adaptive monitoring and control of a lighting system are suited for adaptively establishing lighting parameters on a fixture by fixture basis. The controller includes a communication interface configured to communicate with a multiplicity of light fixtures, a memory for storing software routines and information associated with each of the light fixtures; and a processor coupled to the memory and the communication interface and configured to execute the software routines and selectively communicate with at least one of the multiplicity of light fixtures to adaptively establish lighting parameters for the at least one of the multiplicity of light fixtures. A method of facilitating the monitoring and control of the light fixture includes controlling a lamp circuit to provide one of a multiplicity of light levels; assessing performance parameters of the light fixture; and communicating with a central server. | 2013-08-01 |
| 20130193877 | CIRCUITS AND METHODS FOR DRIVING LIGHT SOURCES - A dimming controller can operate in a first mode or a second mode to control dimming of a light-emitting diode (LED) light source. The dimming controller can include a voltage control terminal and a current control terminal. The voltage control terminal provides a pulse signal when the dimming controller operates in the first mode to operate a control switch in either a first state or a second state. A first current flowing through the LED light source increases when the control switch is in the first state and decreases when the control switch is in the second state. The voltage control terminal provides a control signal to the control switch to cut off the first current when the dimming controller operates in the second mode. The current control terminal conducts a second current through the LED light source when the dimming controller operates in the second mode. | 2013-08-01 |
| 20130193878 | LED-Lighting System Comprising an Operational Data Memory - The invention relates to an LED operating circuit in which a second module ( | 2013-08-01 |
| 20130193879 | Universal Dimmer - Various embodiments of a universal dimmer are disclosed. In one embodiment of a universal dimmer, a power limiting switch is connected to an input voltage. An output driver in the universal dimmer includes a power input and a load path, with the power input being connected to the input voltage. A variable pulse generator includes a control input and a pulse output, with the control input connected to a control input of the power limiting switch. The pulse output is connected to a control input of the power limiting switch. | 2013-08-01 |
| 20130193880 | Power Supply Device and Lighting Equipment Provided with Power Supply Device - A power supply device according to one embodiment is configured to control a lighting of semiconductor light-emitting elements, wherein a dimming signal is canceled during a predetermined time period (T) from a timing immediately after power-ON, so as to light on light-emitting diodes to have a predetermined light amount, for example, a minimum light amount. After an elapse of the predetermined time period (T), cancellation of the dimming signal is released to light on the light-emitting diodes to have a light amount instructed by the dimming signal. | 2013-08-01 |
| 20130193881 | RECHARGEABLE ELECTRIC TOOL AND METHOD FOR MANUFACTURING RECHARGEABLE ELECTRIC TOOL - The electric tool is powered by a secondary battery as a power source, and includes: an output section configured to be transmitted thereto a rotation of a motor directly or through a decelerator; a voltage measurement section that measures a battery voltage; a storage means that stores, as a reference voltage, a voltage value of the battery voltage measured preliminarily when a motor-lock is occurring; and a control means that controls a driving of the motor. The control means is configured to decide that the motor is being locked and then stop or decelerate the motor upon detecting that the battery voltage measured through the voltage measurement section is maintained lower than or equal to the reference voltage stored in the storage means for a predetermined period of time during the driving of the motor. | 2013-08-01 |
| 20130193882 | METHOD FOR CONTROLLING INVERTER - A method for controlling an inverter in a system including a load, a motor for driving the load, and an inverter for operating the motor comprises when a load amount of the load is reduced to below a sleep level, checking whether a time corresponding to a sleep delay has lapsed; when the load amount of the load is still below the sleep level even after the sleep delay, varying an operating frequency of the motor, and if there is no change in a feedback from the load in response to the variation in the operating frequency, controlling the inverter to enter a sleep mode. | 2013-08-01 |
| 20130193883 | MOTOR DEVICE - A motor device may include a motor unit and a converter unit. The motor unit may include a brushless DC motor, an inverter circuit, and an inverter drive circuit. The inverter circuit may supply a drive current to the brushless DC motor. The inverter drive circuit may supply a drive pulse signal to the inverter circuit. The converter unit may be connected to the motor unit. The converter unit may include an AD/DC converter and a microcomputer. The AC/DC converter may convert an AC voltage to a DC voltage to be supplied to the motor unit. The microcomputer may receive a digital control signal and may output an analog control signal. The inverter drive circuit may receive the analog control signal outputted from the microcomputer and may output a drive pulse signal to be supplied to the inverter circuit. | 2013-08-01 |
| 20130193884 | SYNCHRONOUS MACHINE STARTING DEVICE - In a synchronous machine starting device, a timing detection unit outputs a first position signal indicating a timing at which a value of an armature voltage passes a prescribed reference level. A feedback operation unit calculates an error of an estimated phase based on the estimated phase, an estimated rotational speed of a rotor, an armature voltage, and an armature current, updates the estimated phase and the estimated rotational speed based on the calculated phase error, and outputs a second position signal indicating the updated estimated phase. A frequency detection unit detects a current rotational speed of the rotor based on the first position signal, as an initial value of the estimated rotational speed. A selector circuit selects the first position signal and the second position signal in this order, and outputs a selected position signal to the power conversion control unit. | 2013-08-01 |
| 20130193885 | METHOD FOR OPERATING A BRUSHLESS ELECTRIC MOTOR - A method for operating a brushless electric motor, the windings being energized by an inverter with the aid of six switches. A detection unit for detecting defective switches, a unit for measuring voltage at the outputs of the inverter, and a microcontroller for controlling the switch and for generating a pulse width modulated voltage supply for the windings are provided. A short-circuited switch causes a torque in the electric motor opposite the actuating direction of the electric motor. The method proposes that after detecting a short-circuited switch, the windings (U. V. W) are energized to generate a motor torque that is, on the whole, positive. An actuating period of the electric motor is divided into a plurality of sectors, wherein, in accordance with the defective switch, individual sectors are deactivated for the actuation of the windings (U, V, W), while other sectors are used to actuate the windings (V, W). | 2013-08-01 |
| 20130193886 | SENSORLESS CONTROL APPARATUSES OF MOTORS AND CONTROL METHODS THEREOF - A sensorless control apparatus of a motor may include: a position estimator configured to compensate for a resistance and a magnetic flux of a permanent magnet of the motor according to a temperature of the motor, and/or configured to generate an estimated speed of a rotor of the motor based on the compensated resistance and the compensated magnetic flux of the permanent magnet; and/or a speed controller configured to generate a command current based on a command speed of the rotor and the estimated speed of the rotor. | 2013-08-01 |
| 20130193887 | MOTOR CONTROL DEVICE - The present invention provides a motor control device including a feedback control system that generates a torque command for reducing a difference between an operation command signal for commanding an operation of a motor and a detection signal of a detector attached to the motor to detect a position and speed of the motor and drives the motor. The motor control device includes a correcting unit configured to estimate an amplitude and a phase of a correction amount for suppressing the detection error included in the detection signal and sequentially update estimation values of the amplitude and the phase and a post-correction-detection-signal calculating unit configured to generate a post-correction detection signal, which is a difference between the detection signal and the correction amount, instead of the detection signal. | 2013-08-01 |
| 20130193888 | SENSORLESS ROTOR POSITION DETERMINATION FOR A WOUND FIELD SYNCHRONOUS MACHINE - A rotor position determination and tracking system for a dynamo electric machine includes a first AC power supply to inject a carrier wave into a main stator of the dynamoelectric machine and a second AC power supply to inject an excitation voltage or current into an exciter stator of the dynamo electric machine. A plurality of current sensors and voltage sensors located at the exciter input lines sense current and voltage thereat. A first control logic receives the sensed current and voltage and outputs an estimated rotor position. A second control logic receives an estimated exciter field voltage or current rotating wave form angle and filtered sensed current or voltage signals from the first control logic and utilizes a known main stator carrier frequency to determine the rotor position. The rotor position is input into the first control logic to calibrate the first control logic for tracking of the true rotor position. | 2013-08-01 |
| 20130193889 | METHOD AND DEVICE FOR DRIVING BRUSHLESS DIRECT-CURRENT MOTOR DURING DISPLACEMENT OF ACTUATING ELEMENT - During displacement of an actuating element to a target position, a brushless direct-current motor is driven by a driving commutation pattern derived from rotor position signals. After the target position is reached the brushless direct-current motor is transferred to a holding mode in which it is driven by a commutation pattern providing a required holding torque. In the holding mode the holding current necessary for providing the required holding torque is minimized by an iterative holding current reduction method to a holding current value guaranteeing the required holding torque. | 2013-08-01 |
| 20130193890 | MEDIUM VOLTAGE INVERTER CONTROL APPARATUS AND MEDIUM VOLTAGE INVERTER SYSTEM - An exemplary embodiment of the present disclosure includes a medium voltage inverter control apparatus and a medium voltage inverter system using the same. The medium voltage inverter control apparatus determines input voltage information by receiving an input voltage of a medium voltage inverter, compares an output command of the medium voltage inverter with an output of a first PLL unit to output a difference therebetween, and synchronizes the output command of the medium voltage inverter using the difference. | 2013-08-01 |
| 20130193891 | PRECISION-FASTENING HANDHELD CORDLESS POWER TOOLS - Cordless power tools include a pistol housing having an upper portion that merges into a downwardly extending handle, a DC motor residing in the upper portion of the housing, the DC motor having a rotor that drives an output shaft; a torque transducer on board the tool in communication with the output shaft; and a dynamic motor control circuit residing in the housing in communication with the motor and torque transducer. The dynamic motor control circuit includes a Kelvin resistor in communication with the motor for measuring motor current and digital hall switches in communication with the motor for measuring motor speed. The motor current can vary by at least 100 A during operation. | 2013-08-01 |
| 20130193892 | HYBRID CONSTRUCTION MACHINE - In a hybrid construction machine, there is provided a drive control device which realizes in, as a simple a structure as possible, control means of a motor generator, which is capable of preventing rapid decreases in the state of charge. The control means, which calculates a motor torque command value to be output to the motor generator, is characterized by calculating the motor torque command value, based on a difference between an actual state-of-charge and a prescribed target state-of-charge and a torque margin obtained by a difference between a maximum torque of an engine determined based on an actual rotational speed of the engine and an actual torque of the engine. | 2013-08-01 |
| 20130193893 | METHOD OF CONTROLLING A FAN - A method of controlling a fan in a vehicle comprising: measuring a control input signal; measuring a continuous applied voltage to the fan; comparing the continuous applied voltage to a look up table; and activating the fan when the control input signal is open and the continuous applied voltage is greater than a system voltage by about 0.5 volts. | 2013-08-01 |
| 20130193894 | MOTOR CONTROL DEVICE, MOTOR CONTROL METHOD, AND COMPUTER-READABLE STORAGE MEDIUM - A motor control device includes a detecting unit configured to detect rotation of a motor to be controlled and output a rotation detection value related to the rotation; a drive control unit configured to perform drive control to rotate the motor at a control target value increasing with time based on the rotation detection value; and an abnormality detection unit configured to perform an abnormality detection process for detecting an abnormality in the drive control based on the rotation detection value and a predetermined threshold. The drive control unit performs control to stop rotation of the motor when the abnormality is detected. | 2013-08-01 |
| 20130193895 | MOTOR CONTROL APPARATUS AND CONTROL METHOD THEREOF - The second torque value and a motor speed detected from the motor in operation are compared to an upper limit and lower limit of torque tolerance which is obtained based on the third torque value. Accordingly, if the third torque value exceeds the upper limit or underruns the lower limit of the torque tolerance, the motor is stopped in accordance with a difference between the third torque value and the torque tolerance. Consequently, since abnormality of the motor can be promptly and accurately detected within an entire speed range including a lower speed range, it is effective for protecting the motor or the machine equivalent of a load for the motor. | 2013-08-01 |
| 20130193896 | METHOD AND APPARATUS FOR OPERATING AN ELECTRICAL DRIVE SYSTEM - An electrical drive system includes an electric motor having an armature, which is mounted on a stator, and a rotor, wherein aligning stator flux with rotor flux enables current to flow in the armature without inducing torque on the rotor shaft. The disclosed operation may be used, for example, in testing the electrical drive system. The electric drive system can carry full rated current yet produce little or no torque, thereby increasing the current that can be tested during electrical drive test procedures without producing undesired forces or motion. The method may be used, for example, in heating the electric motor, for example for de-icing. | 2013-08-01 |
| 20130193897 | MOTOR DRIVE PWM RECTIFIER HAVING MODULATION SCHEME SELECTOR - A motor drive PWM rectifier includes a control section which generates the PWM signal in accordance with either a three-phase modulation scheme or a two-phase modulation scheme in which a PWM voltage command for one phase selected from among three phases each constituting the PWM voltage command in the three-phase modulation scheme is set and held at a level equivalent to a maximum value or minimum value of the PWM carrier and in which a PWM voltage command for the other two phases created by also applying an offset, required to achieve the setting, to the other two phases, a detecting section which detects three-phase AC current and outputs a detected current value, and a selecting section which selects the two-phase modulation scheme when the detected current value is larger than a first threshold value but smaller than a second threshold value, and otherwise selects the three-phase modulation scheme. | 2013-08-01 |
| 20130193898 | Motor Control with Voltage Harmonic Shaping - A control system for an electric motor comprises a current sensing means arranged to produce a current sensing output indicative of electric current in the motor, current control means arranged to receive the current sensing output and to output a voltage demand indicative of voltages to be applied to the motor, and voltage demand correction means arranged to generate a correction signal and to use the correction signal and the voltage demand to produce a corrected voltage demand. | 2013-08-01 |
| 20130193899 | MOTOR DRIVE CONTROL DEVICE AND OPERATING METHOD THEREOF - The present invention properly starts up various types of motors under operating conditions where motor operations are performed in a wide range of temperature and power supply voltage. Output drive controllers supply PWM drive output signals to the output pre-driver in such a manner as to minimize the error between a current instruction signal and a current detection digital signal. In response to a detected induced voltage generated from a voltage detector upon startup of a motor, an initial acceleration controller supplies initial acceleration output signals specifying a conducting phase for initial acceleration of the motor to the output drive controllers. The initial acceleration controller, the output drive controllers, and an output driver make a conducting phase change and perform a PWM drive to provide the initial acceleration of the motor in response to the detected induced voltage and to an error upon startup of the motor. Upper-limit duty values for the PWM drive output signals to be supplied from the output drive controllers to the output pre-driver during the period of the initial acceleration can be arbitrarily set in the output drive controllers. | 2013-08-01 |
| 20130193900 | MOTOR DRIVE CONTROL DEVICE FOR LIMITING OUTPUT OF MOTOR - If it is predicted that the sum of the output of a servo motor and the output of a spindle motor exceeds power supplied by a rectifier unit, during a cutting operation, a motor drive control device controls alternating-current power of a first inverter unit so as to reduce the feed speed of at least one feed axis and controls alternating-current power of a second inverter unit so as not to limit torque of the spindle motor. Further, if it is predicted that the sum of the output of the servo motor and the output of the spindle motor exceeds power supplied by the rectifier unit, during an operation other than the cutting operation, the motor drive control device controls the alternating-current power of the second inverter unit so as to limit the torque so as not to reduce the feed speed. | 2013-08-01 |
| 20130193901 | METHOD OF CONTROLLING LINEAR MOTOR - In a linear motor used for a driving axis of a large-size machine tool having a very long driving stroke, pole position correction values at a plurality of stroke positions are stored in a memory. A pole position correction value corresponding to an actual stroke position of a slider is calculated based on the stored pole position correction value. A corrected electrical angle offset value derived based on the calculated pole position correction value is used to control the linear motor. | 2013-08-01 |
| 20130193902 | DRIVING APPARATUS, PRINTING APPARATUS HAVING DRIVING APPARATUS, AND METHOD OF CONTROLLING DRIVING APPARATUS - A driving apparatus including: a stepping motor configuring a drive source; an operating portion configured to reciprocate corresponding to forward and reverse rotations of the stepping motor; a home position detecting unit configured to detect a home position which corresponds to an outward movement starting position and a homeward movement terminating position of the operating portion; a homeward movement detecting unit configured to detect the driving amount of the stepping motor in a homeward movement of the operating portion from a start of the homeward movement of the operating portion driven by the stepping motor until a detection of the home position by the home position detecting unit; and an operation determining unit configured to determine that the operating portion is not operated normally when the driving amount detected by the homeward movement detecting unit is smaller than a predetermined driving amount. | 2013-08-01 |
| 20130193903 | SYNCHRONOUS MACHINE WITH SWITCHING ELEMENT IN THE EXCITATION CIRCUIT - A separately excited synchronous machine ( | 2013-08-01 |
| 20130193904 | Charging unit useful to transform a high plurality of Energy Storage Devices - Disclosed herein are system for managing transformation of large numbers of energy storage devices. Also provided are computer-implemented methods for managing the transformation of a large number of energy storage devices. Also provided are charging units to transform high plurality of energy storage devices to substantially charged state. | 2013-08-01 |
| 20130193905 | CONTAINER AND REMOVABLE PHOTOVOLTAIC CHARGING PACK - A portable container includes a body having an exterior surface and defining an interior compartment, and a photovoltaic (PV) charging pack including a PV panel and a compartment for containing a portable electronic device. The PV charging pack is removably coupleable to the exterior surface, such that the PV panel is positioned to absorb light energy when the PV charging pack is coupled to the exterior surface. | 2013-08-01 |
| 20130193906 | TERMINALS, TERMINAL SYSTEMS AND CHARGING/DISCHARGING METHODS THEREOF - Terminals, terminal systems, charging/discharging methods for the terminals, charging/discharging methods for the terminal systems, and discharging methods are disclosed. The terminal is coupled to a second terminal including a second switching unit, a second charging unit and a second battery unit. The second charging unit is coupled to the second battery unit. The terminal includes a first switching unit and a first battery unit. The first switching unit is coupled to each of the second switching unit and the first battery unit. The first switching unit is configured to receive a control instruction or a control signal, and to switch to the second switching unit based on the control instruction or the control signal so as to supply power to the second terminal with the first battery unit, or switch to the second charging unit based on the control instruction or the control signal so as to charge the second battery unit with the first battery unit. Thus, the battery of the terminal can be used to charge the battery of the second terminal or used directly as a second battery for supplying power to the second terminal. This improves user convenience and usability of the terminals. | 2013-08-01 |
| 20130193907 | CHARGING DEVICE, DETECTION SYSTEM, AND METHOD OF TESTING A DETECTION SYSTEM - A charging device for a power storage device includes a power conduit configured to deliver current to the power storage device and a detection system configured to be coupled to the power conduit. The detection system includes a current control device coupled to the power conduit and configured to control the current delivered to the power storage device. The detection system also includes a test conductor, a current sensor coupled to the test conductor, and a controller coupled to the current sensor by the test conductor. The current sensor is arranged to detect an amount of current within the test conductor and configured to generate a current measurement signal representative of the current detected. The controller is configured to generate a test signal, transmit the test signal through the test conductor, receive the current measurement signal, and determine a status of the detection system based on the current measurement signal. | 2013-08-01 |
| 20130193908 | METHODS AND SYSTEMS FOR CONTROLLING A CHARGING DEVICE - A charging device configured to receive power from a power source is described. The charging device includes a motion detection device configured to provide a signal corresponding to a motion of the charging device. The charging device also includes a system controller communicatively coupled to the motion detection device and configured to determine if the motion of the charging device has exceeded a predefined limit. | 2013-08-01 |
| 20130193909 | Device For Holding Portable Electronics - A device for holding portable electronics is disclosed. In one embodiment, the device comprises a base having a first end, and a second end, the first end positioned on one side of the base, and the second end positioned on a side of the base substantially opposite to the first end. The base has a plurality of apertures extending from the first end, through the base, to the second end; and at least one groove configured to receive an edge of the display. The device has a plurality of flexible legs configured to pass through an aperture in the base. | 2013-08-01 |
| 20130193910 | ELECTRIC POWER TRANSMISSION DEVICE - An electric power transmission device transmits an electric power of a power supply to a battery. The electric power transmission device includes relay capacitor, power supply side switching element, and a battery side switching element. The relay capacitor is located between the power supply and the battery, and stores an electric power of the power supply. The power supply side switching element opens and closes a first electrical path between the power supply and the relay capacitor. The battery side switching element opens and closes a second electrical path between the relay capacitor and the battery. The power supply side switching element has a pair of ends in the first electrical path, one of which is connected to the relay capacitor and the other is not connected to another capacitor that is short-circuited with the relay capacitor when the power supply side switching element is closed. | 2013-08-01 |
| 20130193911 | MOTION-ACTUATED PORTABLE CHARGER - A portable charger unit includes a charger housing that encloses a power input, at least one power output, and a rechargeable battery. The rechargeable battery is operatively connected with the power input (for providing an electrical charge from an external power source for recharging the internal battery when the charge unit is connected to the power source) and the at least one power output (for charging other electronic devices from the rechargeable battery). The charger unit also includes connector means capable of connecting two or more electronic devices to the charger unit via at least one output port. The charger unit can be actuated to initiate charging of an electronic device connected with the output port, by an actuating motion of the charger unit, such as a shaking motion. | 2013-08-01 |
| 20130193912 | BATTERY CHARGING TOP-OFF - This disclosure describes techniques for a method of charging a battery. In an example, the method includes determining a capacity of the battery, and determining a state of charge of the battery. The method also includes charging the battery with a charging current, wherein the charging current is based on the capacity of the battery and the state of charge of the battery, and wherein charging the battery comprises reducing the charging current in response to the state of charge of the battery changing with respect to the capacity of the battery. | 2013-08-01 |
| 20130193913 | RESONANCE-TYPE NON-CONTACT POWER SUPPLY SYSTEM, AND ADJUSTMENT METHOD FOR MATCHING UNIT DURING CHARGING OF RESONANCE-TYPE NON-CONTACT POWER SUPPLY SYSTEM - Power supply equipment ( | 2013-08-01 |
| 20130193914 | ADAPTIVE RATE RECHARGING SYSTEM - Devices, systems, and techniques for selecting a period for charging an implantable rechargeable power source are disclosed. Implantable medical devices may include a rechargeable power source that can be transcutaneously charged. A system may control a charging module to begin charging the rechargeable power source of the implantable medical device with a high power level. The system may then determine an estimated heat loss based on power initially delivered to the rechargeable power source when beginning the charging. Based on this estimated heat loss during the initial period of recharging, the system may select a boost period that includes a duration of time that the rechargeable power source is charged with the high power level. | 2013-08-01 |
| 20130193915 | Inductive Charger For Hand Held Appliances - An inductive charger for charging a hand-held appliance is disclosed. The inductive charger includes a charger coil surrounding a magnetic core, the magnetic core forming at least a part of a charger projection, wherein the charger projection is surrounded by the charger coil which is adapted to be inserted, together with the charger projection of the magnetic core, into a charging recess of the hand-held appliance. | 2013-08-01 |
| 20130193916 | SEMICONDUCTOR DEVICE AND IC LABEL, IC TAG, AND IC CARD HAVING THE SAME - The present invention provides a power supply circuit provided with a battery as a power source for supplying power to an RFID, and the battery of the power supply circuit is charged with a wireless signal. Then, a switching circuit is provided in the power supply circuit that supplies power to a signal control circuit which transmits and receives individual information to and from the outside to intermittently control supply of power to the signal control circuit by a signal from a low-frequency signal generation circuit. | 2013-08-01 |
| 20130193917 | CHARGING DEVICE AND CHARGING METHOD FOR POWER STORAGE DEVICE - A charger includes a conversion unit for converting external electric power from a charging port into DC, a conversion unit for converting the output of the preceding conversion unit into high-frequency AC, and a conversion unit for converting the electric power generated by transforming the output of the preceding conversion unit by an insulated transformer into DC to output the DC to a power storage device. The charger further includes a switch unit that enables the circuit configuration of the charger to switch between a single-stage charging circuit and a dual-stage charging circuit. The switch unit is controlled by a control signal from an ECU. The ECU controls the switch unit in accordance with the SOC of the power storage device and switches the circuit configuration of the charger to one of the single-stage charging circuit and the dual-stage charging circuit. | 2013-08-01 |
| 20130193918 | SYSTEMS AND METHODS FOR AUTOMATIC CONNECTION AND CHARGING OF AN ELECTRIC VEHICLE AT A CHARGING STATION - The invention provides systems and methods for connecting an electric or hybrid electric vehicle to a charging station. Automated charging and docking processes may be provided. In some embodiments, a vehicle arrival and position may be detected. The vehicle may be charged with a charging arm and some automated vehicle positioning may occur. The vehicle may be charged and released. Fault detection may occur. | 2013-08-01 |
| 20130193919 | Methods and Systems for Charging Vehicles - This disclosure provides 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. | 2013-08-01 |
| 20130193920 | APPARATUS AND METHOD OF DUAL USE RESISTOR FOR BATTERY DISCONNECT - A vehicle apparatus comprising a battery charger is provided. The battery charger is operably coupled to a power grid to receive AC energy during a vehicle charging operation and is operably coupled to a switching circuit for one of connecting and disconnecting the battery in the vehicle. The switching circuit includes a single resistor and is arranged to enable a pre-charge operation and a battery heating operation. The battery charger is configured to convert the AC energy into DC energy for delivering at least a portion of the DC energy to the single resistor for performing the battery heating operation when the vehicle charging operation is being performed. | 2013-08-01 |
| 20130193921 | ELECTRIC VEHICLE CHARGE POINT MANAGEMENT SYSTEM - An electric vehicle charge station incorporating an image sensor, which provides users with status information such as whether the charge point is available, in use, damaged, or blocked by another vehicle. The image sensor may also be used for to monitor the security of the vehicle during charging, detecting tampering with the vehicle or the charge cable. | 2013-08-01 |
| 20130193922 | APPARATUS FOR DISCHARGING DC-LINK CAPACITOR FOR ELECTRIC VEHICLE CHARGER - An exemplary embodiment of the present disclosure includes an apparatus for discharging DC-link capacitor for electric vehicle charger. In a case the apparatus operates abnormally, operations of a rectifier, a boost PFC circuit and a DC-DC converter are discontinued, and the apparatus receives the power source charged in the DC-link capacitor through the auxiliary power supply unit to thereby perform a control operation. | 2013-08-01 |
| 20130193923 | ELECTRIC VEHICLE CHARGING DEVICE - The purpose is to provide an electric vehicle charging device capable of preventing arc discharge when disconnecting a power supply connector and a vehicle-side connector. An electric vehicle charging device provided with: a power supply connector ( | 2013-08-01 |
| 20130193924 | CHARGE CONTROLLER WITH PROTECTION FUNCTION AND BATTERY PACK - A charge controller includes a charge control circuit which controls a charging transistor; and a protection circuit that, when the secondary battery is over-discharged, turns off the first control switch element to block discharge current and when the secondary battery is overcharged, turns off the second control switch element to prevent the charge current from flowing. The charge control circuit includes a function of control for applying constant charge current through the charging transistor until the voltage of the secondary battery reaches a predetermined value and switching to control for applying charge current at a constant voltage after the voltage of the secondary battery reaches the predetermined value, and a terminal voltage on the positive electrode side and a terminal voltage on the negative electrode side of the secondary battery are supplied as monitoring voltage to the charge control circuit. | 2013-08-01 |
| 20130193925 | COMMUNICATION SYSTEM AND STORAGE BATTERY SYSTEM - A communication system includes: an assembled battery including a plurality of series connected battery packs having at least one storage battery cell; a battery management section adapted to manage the battery packs; and an optical line connected in daisy chain for use in communication between the battery management section and each of the battery packs. | 2013-08-01 |
| 20130193926 | Battery System and Method for Charging a Large Number of Battery Cells which are Connected in Series - The disclosure describes a battery system having a large number of battery cells which are connected in series. At least one battery cell of the large number of battery cells is connected in parallel with an electrical component. The resistance of the electrical component is reduced when a voltage, which is applied to the electrical component and to the battery cell, exceeds a predetermined voltage threshold value. The disclosure also describes a method for charging a large number of battery cells which are connected in series. The method can be executed using the battery system according to the disclosure. | 2013-08-01 |
| 20130193927 | ELECTROCHEMICAL ENERGY STORAGE DEVICE, BATTERY HAVING AT LEAST TWO SUCH ELECTROCHEMICAL ENERGY STORAGE DEVICES, AND METHOD FOR OPERATING SUCH AN ELECTROCHEMICAL ENERGY STRORAGE DEVICE - Electrochemical energy storage device ( | 2013-08-01 |
| 20130193928 | CHARGE MANAGEMENT FOR ENERGY STORAGE TEMPERATURE CONTROL - Charging and discharging an energy storage device (ESD) generates heat and may prevent its temperature from dropping to unsafe levels. By monitoring and managing the charge and discharge of an ESD with respect to the periods of time in which demand charges are determined, the heating will have minimal adverse effect on demand charges. ESDs may also exchange energy in a controlled manner for heating purposes and reduce reliance on utility grid-based energy sources. ESD heating may also be made more efficient by offsetting the heating with load shedding during charging periods. Precharging the ESD while heating or preheating the ESD by charging and discharging can prevent new maximum demand levels from appearing and thereby limit increases in demand charges. | 2013-08-01 |
| 20130193929 | Battery with at least two electrochemical energy converters and method of operating said battery - A battery with a converter including at least two electrochemical energy converters provided to convert chemical energy into electrical energy and to supply electrical energy particularly to a consumer has the energy converters electrically connected to one another. The converter arrangement includes two configuration connectors of different polarity at which a configuration voltage is present, and the configuration voltage corresponds to the electrical voltage of the converter. Two battery connectors of different polarity are also included and make the electrical connection to the consumer. The battery connectors are electrically connected to the configuration connectors The battery also includes a device connected at least indirectly to the configuration connectors which can be converted from a first state into a second state. In the first state, the configuration connectors are electrically insulated from one another and in the second state they are electrically connected to one another. | 2013-08-01 |
| 20130193930 | Energy harvesting with a micro-electro-machanical system (MEMS) - Apparatuses and method are described to create an energy harvesting microstructure, referred to herein as a transduction micro-electro mechanical system (T-MEMS). A T-MEMS includes a substrate, a first buckled membrane, the first buckled membrane has a buckling axis and is connected to the substrate. The first buckled membrane further includes a transduction material, a first conductor, the first conductor is applied to a first area of the transduction material; and a second conductor, the second conductor is applied to a second area of the transduction material, wherein electrical charge is harvested from the transduction material when the first buckled membrane is translated along the buckling axis. | 2013-08-01 |
| 20130193931 | BATTERY CHARGING TOP-OFF - This disclosure describes techniques for a method of charging a battery. In an example, the method includes charging the battery during a first charging session until a first charging termination parameter value is reached. The method also includes determining, for a second charging session, a second charging termination parameter value based on a duration of the first charging session, wherein the second charging termination parameter value is different than the first charging termination parameter value. The method also includes charging the battery during the second charging session until the second charging termination parameter value is reached. | 2013-08-01 |
| 20130193932 | INTERACTION OF THERMAL MANAGEMENT AND CHARGING MANAGEMENT DURING EXTERNAL CHARGING - Several types of power demands, including a cooling power demand for components, a heating power demands for components and comfort performance demand for a passenger compartment, can be transferred from a thermal management to a charging management, wherein the types of power demands are prioritized by the charging management in a different manner. | 2013-08-01 |
| 20130193933 | METHOD AND ARRANGEMENT FOR OPERATING A WIND TURBINE CONVERTER - A method of operating a converter of a wind turbine for providing electric energy to a utility grid includes determining a grid voltage. If the grid voltage is between a nominal voltage and a first voltage threshold, i.e. higher than the nominal voltage, a normal procedure for lowering the grid voltage is performed. If the grid voltage is above the first voltage threshold, another procedure for keeping the wind turbine connected is performed, wherein the other procedure is different from the normal procedure. Further a corresponding arrangement is described. | 2013-08-01 |
| 20130193934 | WIND TURBINE GENERATOR, CONTROL METHOD FOR WIND TURBINE GENERATOR, WIND TURBINE GENERATOR SYSTEM, AND CONTROL METHOD FOR WIND TURBINE GENERATOR SYSTEM - It is an object to stabilize a utility grid even when an unexpected fluctuation in the frequency of the utility grid occurs. A wind turbine generator includes a rotor that rotates by wind power, a generator that is driven by rotation of the rotor, and a control device that controls a power output of the generator to increase while a rotational speed of the generator decreases when a frequency of a utility grid becomes smaller than or equal to a predetermined rated frequency and when the rotational speed of the generator is greater than or equal to a first predetermined value. In this way, even when the frequency of the utility grid fluctuates, the frequency fluctuation can be suppressed, and the utility grid can be stabilized. | 2013-08-01 |
| 20130193935 | VOLTAGE REFERENCE GENERATION CIRCUIT USING GATE-TO-SOURCE VOLTAGE DIFFERENCE AND RELATED METHOD THEREOF, AND VOLTAGE REGULATION CIRCUIT HAVING COMMON-SOURCE CONFIGURATION AND RELATED METHOD THEREOF - A voltage reference generation circuit includes a current supply circuit and a core circuit. The current supply circuit is arranged to provide a plurality of currents. The core circuit is coupled to the current supply circuit, and arranged to receive the currents and accordingly generate a voltage reference. The core circuit includes a first transistor, a second transistor and a third transistor, wherein the first transistor and the third transistor generate a first gate-to-source voltage and a third gate-to-source voltage, respectively, according to a first current of the received currents; the second transistor generates a second gate-to-source voltage according to a second current of the received currents; and the voltage reference is generated according to the first gate-to-source voltage, the second gate-to-source voltage and the third gate-to-source voltage. | 2013-08-01 |
| 20130193936 | Switched-Mode Power Supply - The switched-mode power supply includes a power stage, and a control unit to control the operation of the power stage based on a critical parameter of the power stage, wherein the control unit is configured to control the operation of the power stage to change from a first operational mode to a second operation mode if the critical parameter leaves a pre-defined range, and to change from the second operational mode to the first operational mode based on a measurement of a first time interval. | 2013-08-01 |
| 20130193937 | SWITCHING REGULATOR AND ELECTRONIC APPARATUS - According to one embodiment, a switching regulator includes a switching controller, a driver, a detector, and an adjustment module. The switching regulator outputs a first switch control signal for controlling switching of a high-side transistor and a second switch control signal for controlling switching of a low-side transistor. The driver supplies an output signal for driving the high-side transistor to a gate of the high-side transistor in accordance with the first switch control signal. The detector detects a ringing voltage on a switching node between the high-side transistor and the low-side transistor. The adjustment module adjusts a level of the output signal of the driver so as to decrease the level if the detected ringing voltage exceeds a threshold value. | 2013-08-01 |
| 20130193938 | DEAD-TIME COMPENSATION IN A POWER SUPPLY SYSTEM - One embodiment includes a power supply system. The system includes a pulse-width modulation (PWM) system configured to generate a PWM signal. The system also includes a power stage comprising a gate driver, a high-side switch, and a low-side switch. The gate driver can be configured to alternately activate the high-side and low-side switches to provide an output signal to a load in response to the PWM signal, and to provide an activation dead-time between the alternate activation of the high-side and low-side switches. The system further includes a digital delay system configured to measure the activation dead-time and to add the measured activation dead-time to the activation of the high-side switch. | 2013-08-01 |
| 20130193939 | VOLTAGE REGULATOR - Provided is a variable output voltage regulator capable of reducing heat generation during an overcurrent protection operation even when a setting value of an output voltage is high. The variable output voltage regulator can change an output voltage by trimming a resistor of a voltage dividing circuit in response to a trimming signal output from a trimming signal generation circuit. The trimming signal is used to change a limiting voltage of a fold-back type overcurrent protection circuit. | 2013-08-01 |
| 20130193940 | METHOD OF FORMING A SWITCHED MODE POWER SUPPLY CONTROLLER DEVICE WITH AN OFF MODE AND STRUCTURE THEREFOR - At least one embodiment is directed to a semiconductor voltage controller comprising: a start-mode circuit associated with a start-mode; and an off-mode circuit associated with an off-mode, where the voltage controller can be configured to receive a feedback signal and an off-mode signal from a single input and provide an output voltage, where the voltage controller can be configured to be in the off-mode when the feedback signal is less than a skip level and the feedback signal is less than a HV control level, and where the voltage controller can be configured to be in start mode when the feedback signal is greater than HV control level and Vcc is below a Vcc-start. | 2013-08-01 |
| 20130193941 | Bypass Control in a DC-to-DC Converter - The present document relates to switched power supplies. In particular, the present document relates to a method and system for controlling a bypass transistor in a DC-to-DC converter. A power converter configured to convert an input voltage at an input of the power converter into an output voltage at an output of the power converter is described. The power converter comprises a DC-to-DC converter comprising a high side switch; a bypass transistor parallel to the DC-to-DC converter, configured to couple a load at the output of the power converter to the input voltage during an on-state of the bypass transistor; and current sensing means configured to sense a current through the high side switch; wherein the bypass transistor is controlled based at least on the sensed current through the high side switch. | 2013-08-01 |
| 20130193942 | CURRENT DRIVER CIRCUIT - A current driver circuit includes a converter part having a switching element and converting an input voltage into an output voltage; a current detector which generates a detection signal indicative of the current of the switching element; an input voltage compensating circuit which generates a compensation signal corresponding to the input voltage; a comparator which compares the detection signal and the compensation signal against each other; and a switch driver circuit which generates a drive signal. The drive signal turns the switching element off in accordance with an output of the comparator, and turns the switching element on again after a lapse of a prescribed time from the switching element being turned off. | 2013-08-01 |
| 20130193943 | SWITCHED ARRANGEMENT FOR SWITCHED MODE SUPPLY - There is disclosed a switching stage comprising: a first switching path having at least one switching element for selectively connecting an input of the switching stage to an output of the switching stage; and a second switching path having at least one switching element for selectively connecting the input of the switching stage to the output of the switching stage, wherein the first and second switching paths are controlled such that a signal is selectively routed from the input of the switching stage to the output of the switching stage via the first and second switching paths in dependence on the current of the signal to be routed. | 2013-08-01 |
| 20130193944 | VOLTAGE GENERATOR - According to one embodiment, a voltage generator includes a step-up circuit and a limiter circuit. The step-up circuit outputs a first voltage to a first node. The limiter circuit includes first and second resistive elements, first and second capacitive elements, a switch element, and a comparator. The first resistive element is between the first node and a second node. The second resistive element is connected to the second node. The first capacitive element is between the first and second nodes. The switch element connects the second capacitive element to the second node at the same time that the first node is connected to a load. The comparator compares the potential at the second node with a reference potential. | 2013-08-01 |
| 20130193945 | Distributed Power Harvesting Systems Using DC Power Sources - A method for maintaining reliability of a distributed power system including a power converter having input terminals and output terminals. Input power is received at the input terminals. The input power is converted to an output power at the output terminals. A temperature is measured in or in the environment of the power converter. The power conversion of the input power to the output power may be controlled to maximize the input power by setting at the input terminals the input voltage or the input current according to predetermined criteria. One of the predetermined criteria is configured to reduce the input power based on the temperature signal responsive to the temperature. The adjustment of input power reduces the input voltage and/or input current thereby lowering the temperature of the power converter. | 2013-08-01 |
| 20130193946 | INRUSH CURRENT SUPPRESSING DEVICE - An inrush current suppressing device includes a residual-magnetic-flux calculating unit configured to retain an interruption characteristic of a breaker and an attenuation characteristic of a magnetic flux that are estimated by measurement, analysis, or the like beforehand, and apply the attenuation characteristic to a magnetic flux value at the time of current interruption obtained based on the interruption characteristic of the breaker to calculate a residual magnetic flux value. The breaker is turned on in a power supply voltage phase in which the calculated residual magnetic flux value and a theoretical value of a steady magnetic flux match. | 2013-08-01 |
| 20130193947 | POWER CONVERTER - A high voltage resonant step-up convertor converts a lower voltage signal to a higher voltage signal. The converter may be used, for example, to supply power via electromagnetic coupling to an implantable medical device. In some embodiments, a power converter comprises a driver circuit and a resonant circuit. The resonant circuit generates a high voltage output signal at a selected frequency. The driver circuit is controlled by a low voltage signal and periodically generates a higher frequency signal (e.g., approximately twice the selected frequency) to drive the resonant circuit. In some embodiments, the driver circuit comprises another resonant circuit and a switching circuit. The switching circuit periodically pumps current to the other resonant circuit and isolates the two resonant circuits. The other resonant circuit periodically pumps current to the output resonant circuit. | 2013-08-01 |
| 20130193948 | LOW POWER CIRCUIT FOR REDUCING LEAKAGE POWER USING NEGATIVE VOLTAGE - A power circuit for reducing a leakage power using a negative voltage is provided. The power circuit includes a current source including a transistor including a gate. The power circuit further includes a current source control circuit connected to the gate of the transistor, and configured to apply a positive voltage to the gate of the transistor if the current source is to operate in an active mode, and apply the negative voltage to the gate of the transistor if the current source is to operate in an inactive mode. | 2013-08-01 |
| 20130193949 | REFERENCE VOLTAGE CIRCUIT AND IMAGE-CAPTURE CIRCUIT - A reference voltage circuit for generating a reference voltage to be referred when a pixel signal is digitally converted, includes ramp voltage generating means for generating a ramp voltage which drops from a predetermined initial voltage at a certain gradient, a transistor for forming, together with the ramp voltage generating means, a current mirror circuit, and gain change means for changing a current value of a current flowing from a predetermined power supply via the transistor to change the gradient of the ramp voltage generated by the ramp voltage generating means. | 2013-08-01 |
| 20130193950 | Ingestible Circuitry - The present invention provides for safe and reliable electronic circuitry that can be employed in ingestible compositions. The ingestible circuitry of the invention includes a solid support; a conductive element; and an electronic component. Each of the support, conductive element and electronic component are fabricated from an ingestible material. The ingestible circuitry finds use in a variety of different applications, including as components of ingestible identifiers, such as may be found in ingestible event markers, e.g., pharma-informatics enabled pharmaceutical compositions. | 2013-08-01 |
| 20130193951 | Convolution Integral for Synchronized Phasor - Systems, methods, and apparatus for providing a synchronized phasor in power system based on voltage and current measurements, sampling of the voltage and current measurements and convolving the samples with a function. | 2013-08-01 |
| 20130193952 | System and Method for Verifying the Operating Frequency of Digital Control Circuitry - A system and method are presented for verifying the operating frequency of digital control circuitry. The system and method according to the present disclosure provide for a digitally controlled system, such as an electrosurgical system, to confirm or verify its operating frequency using a single external device, and software and/or firmware. | 2013-08-01 |
| 20130193953 | Method For Measuring Remote Field Eddy Current Thickness In Multiple Tubular Configuration - In accordance with aspects of the present invention, a method of inspecting a well tubular is disclosed. The method utilizes a probe with a transmitter and detectors spaced from the transmitter by at least twice the diameter of the pipe to be tested. In some cases where multi-tubular structures are tested, the probe can include further detectors spaced from the transmitter by at least twice the diameter of the outer pipes as well. The phase of signals detected by the detectors relative to the transmitter are utilized to detect faults in the pipes. | 2013-08-01 |
| 20130193954 | CURRENT DETECTING DEVICE - A current detecting device is readily attached to a wire while preventing variation in current detection accuracy. A current detecting device has a core module and an element module, the core module having a core support that supports a magnetic core, the element module having an element support that supports a Hall element therein. In a position of a gap of the magnetic core in the core module, a wire insertion path is provided, to which the element support is fitted. Two end portions of the magnetic core and the Hall element are positioned by first and second contact surfaces of the core support and by a third contact surface of the element support. The two modules are connected so as to be movable relative to each other and are fixated by a lock mechanism in a state where the element support is fitted to the wire insertion path. | 2013-08-01 |
| 20130193955 | Locator - A locator for detecting an article includes a push-pull measurement bridge configured to actuate a first and a second electromagnetic device in a variable ratio. Depending on the actuation the first electromagnetic device generates an alternating electromagnetic field in the region of the article. The locator further includes a comparator for detecting the article, should the variable ratio differ by more than a predetermined amount from a predetermined ratio. | 2013-08-01 |
