Including Semiconductor Means Patents (Class 363/60)
  • Patent number: 10355593
    Abstract: An inductor; a first switch having a first side connected to a first voltage source (VS1); a second switch having a first side connected to a second side of the first switch (2SS1), and a second side connected to a first side of the inductor (1SI); a third switch having a first side connected to the 1SI; a fourth switch having a first side connected to a second side of the third switch (2SS3), and a second side connected to a second voltage source (VS2); a fifth switch having a first side connected to the 1SI, and a second side connected to the VS1 and/or the VS2; a first capacitor having a first side connected to the 2SS1, and a second side connected to the 2SS3; and a second capacitor having a first side connected to a second side of the inductor, and a second side connected to the VS2.
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: July 16, 2019
    Assignee: Lion Semiconductor Inc.
    Inventors: Alberto Puggelli, Minbok Lee, Hans Meyvaert, Zhipeng Li
  • Patent number: 10340783
    Abstract: The present invention provides a pulse modulating power source, which comprises: a plurality of discharging modules connected in series during discharging; a plurality of triggers corresponding to said plurality of discharging modules, wherein each trigger provides a trigger signal to the corresponding discharging module to turn it on; a control logic module for controlling the trigger signals so as to turn on said plurality of discharging modules successively with a time delay; an output terminal for outputting a voltage.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: July 2, 2019
    Assignees: Nuctech Company Limited, Tsinghua University
    Inventors: Yaohong Liu, Chuanxiang Tang, Xinshui Yan, Wei Jia, Jianjun Gao, Jinsheng Liu, Wei Yin, Xiying Liu, Hao Shi
  • Patent number: 10312791
    Abstract: A negative high-voltage generation device with multi-stage selection includes an input, an output, negative charges pumps, electrical switches, and a control device. The negative charge pumps are electrically cascaded between the input and the output and configured to receive zero voltage through the input. The control device turns off at least one of the electrical switches close to the output and turns on the remains of the plurality of electrical switches, and the negative charge pumps and the electrical switches use zero voltage to generate a negative voltage at the output.
    Type: Grant
    Filed: July 2, 2018
    Date of Patent: June 4, 2019
    Assignee: National Chiao Tung University
    Inventors: Ming-Dou Ker, Shiau-Pin Lin
  • Patent number: 10270339
    Abstract: A charger integrated circuit is provided which includes a DC-DC converter configured to receive an input voltage and generate an output voltage through a switching operation for charging a battery, and a charging controller configured to control the switching operation such that the output voltage is supplied to the battery through charging paths chargeable according to a level of the input voltage.
    Type: Grant
    Filed: December 9, 2015
    Date of Patent: April 23, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kwang Chan Lee, Sanghee Kang, Jungwook Heo, Sungwoo Lee, Daewoong Cho
  • Patent number: 10222777
    Abstract: An input-output device includes an input circuit unit including an input-signal-setting storing unit that stores a plurality of ON conditions of the input signal and an input circuit that determines whether any one of the ON conditions of the stored input signal holds, a computing unit including an output-signal-setting storing unit that stores information in which the ON conditions of the input signal, output ports for outputting an output signal, and specifications of the output signal are associated and an output-signal selecting unit that generates, on the basis of a determination result of the input circuit and the stored information, an output command indicating the output ports and the specifications of the output signal, and an output circuit unit including an output circuit that outputs, to the output ports indicated by the output command, the output signal according to the specifications indicated by the output command.
    Type: Grant
    Filed: December 3, 2014
    Date of Patent: March 5, 2019
    Assignee: Mitsubishi Electric Corporation
    Inventor: Masahiro Takahashi
  • Patent number: 10216009
    Abstract: A lens driver or lens driver circuitry for an ophthalmic apparatus comprising an electronic system which actuates a variable-focus optic is disclosed herein. The lens driver is part of an electronic system incorporated into the ophthalmic apparatus. The electronic system includes one or more batteries or other power sources, power management circuitry, one or more sensors, clock generation circuitry, control algorithms and circuitry, and lens driver circuitry. The lens driver circuitry includes one or more power sources, one or more high voltage generators and one or more switching circuits. Specifically, the lens driver comprises an H-bridge/H-bridge controller for providing the proper voltage, including polarity, to drive the electronic included in the ophthalmic apparatus.
    Type: Grant
    Filed: January 4, 2018
    Date of Patent: February 26, 2019
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Donald Whitney, Adam Toner
  • Patent number: 10217921
    Abstract: A display apparatus is provided. The display apparatus includes a display panel, a chassis configured to support the display panel, a backlight unit configured to be installed on the chassis, and an electricity generator configured to use the backlight unit as a heat source to generate electricity. The electricity generator includes a heat transfer unit which contacts the backlight unit, at least one heat storage unit which contacts the heat transfer unit, and at least one thermoelectric device comprising a heat generator and a heat absorber contacting the heat transfer unit. The at least one thermoelectric device absorbs heat, which is generated from the backlight unit, through the heat transfer unit in response to the backlight unit being driven and absorbs heat from the at least one heat storage unit through the heat transfer unit in response to the backlight unit not being driven.
    Type: Grant
    Filed: March 24, 2016
    Date of Patent: February 26, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Su-hwan Jin, Hyun-taek Na, Dae-hyun Nam, Dae-yeon Yun, Jeong-il Kang, Jin-hyun Cho
  • Patent number: 10211727
    Abstract: A voltage multiplier circuit operates in response to a received clock signal to perform a voltage multiplication operation on an input voltage to generate an output voltage. The voltage multiplier circuit includes a pair of intermediate nodes that are capacitively coupled to receive, respectively, opposite phases of a clock signal. A first CMOS driver circuit is coupled to one of the intermediate nodes and has an output configured to generate one phase of a level shifted output clock signal. A second CMOS driver circuit is coupled to another one of the intermediate nodes and has an output configured to generate another phase of the level shifted output clock signal.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: February 19, 2019
    Assignee: STMicroelectronics International N.V.
    Inventor: Vikas Rana
  • Patent number: 10163418
    Abstract: A driver circuit for an electronic display, including a power supply system configured to provide a reference voltage, a DC-DC converter having an input connected to the power supply system and having at least a first output configured to provide a first driving voltage, a second output configured to provide a second driving voltage and a third output configured to provide a third output voltage, wherein the second output voltage is higher than the first output voltage and wherein the third output voltage is higher than the second output voltage, wherein the DC-DC converter includes at least a first charge pump, and wherein the input is directly connectable to the second output to provide the reference voltage as the second output voltage.
    Type: Grant
    Filed: October 9, 2017
    Date of Patent: December 25, 2018
    Assignee: The Swatch Group Research and Development Ltd
    Inventor: Alberto Ramon Ruiz Donate
  • Patent number: 10147796
    Abstract: The present disclosure is directed to a plurality of waffle gate parallel transistors having a shared gate on a surface of a semiconductor substrate. The shared gate has connected channels that form a plurality of squares, lines of each of the squares over the perimeter of a respective source or drain region of the plurality of waffle gate parallel transistors. The shared gate includes squares of a first size and shape and a second size and shape. The squares having the first size and shape are each over a respective source region and the squares having the second size and shape are each over a respective drain region. Each of the squares having a first size and shape share at least one side with one of the squares having the second size and shape.
    Type: Grant
    Filed: May 26, 2017
    Date of Patent: December 4, 2018
    Assignee: STMICROELECTRONICS DESIGN AND APPLICATION S.R.O.
    Inventors: Patrik Vacula, Milos Vacula, Vlastimil Kote, Adam Kubacak, Milan Lzicar
  • Patent number: 10141847
    Abstract: A switched capacitor DC-DC convertor circuit and a production method thereof are described. The switched capacitor DC-DC convertor circuit includes two switched-capacitor circuits each including at least one capacitor, multiple internal switches and the same circuit layout. The internal switches of the two switched-capacitor circuits corresponding in position to each other are controlled by different control signals, and the turn-on durations of the control signals do not overlap. The capacitors of the two switched capacitor circuits are connected by an interconnection switch, and a turn-on duration of a control signal for the interconnection switch also does not overlap with that of the control signals for the internal switches. The switched capacitor DC-DC convertor circuit has a lower switching power loss compared to current state of the art.
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: November 27, 2018
    Assignee: NUVOTON TECHNOLOGY CORPORATION
    Inventors: Chung-Ming Hsieh, Wei-Chan Hsu
  • Patent number: 10050515
    Abstract: In described examples, a DC-DC converter provides electrical power. The converter includes an inductor and a flying capacitor. In response to an input voltage transitioning from below a normal operation threshold to above the threshold, a first transition phase and a second transition phase are repeatedly performed. The first transition phase comprises coupling an input terminal of the inductor to a ground, and the second transition phase comprises delivering power through the inductor by discharging the flying capacitor through the inductor. After the input voltage is above the normal operation threshold, and a voltage across the flying capacitor has reached a target voltage proportional to the input voltage, a charging phase, a freewheeling phase and a discharging phase are repeatedly performed. The charging phase comprises charging the flying capacitor by coupling the flying capacitor to the input voltage, and delivering current from the input voltage through the inductor.
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: August 14, 2018
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Sombuddha Chakraborty, Jeff Lee Nilles, Mervin John
  • Patent number: 10050091
    Abstract: A display device includes a display panel displaying an image. A light source unit provides light to the display panel. A cover member covers a portion of an upper surface of the display panel and a side surface of the display panel. The cover member exposes a display area of the display panel. A thermoelectric device is disposed between the cover member and the light source unit. The thermoelectric device contacts the cover member, and the thermoelectric device generates an electromotive force due to a difference in temperature between the light source unit and the cover member.
    Type: Grant
    Filed: June 29, 2016
    Date of Patent: August 14, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Taehee Lee, Myungim Kim, Hongshik Shim, Yong-Suk Yeo, Byunghan Yoo
  • Patent number: 10044259
    Abstract: A DC-DC converter comprises an oscillator and a charge pump, to ensure operation at low voltage. The oscillator comprises one or more source degenerated transistors comprising a degeneration impedance located between a source of the transistor and a ground connection. The degeneration impedance comprises an inductor and a capacitor. Also provided is an energy harvesting device comprising such a DC-DC converter.
    Type: Grant
    Filed: November 21, 2016
    Date of Patent: August 7, 2018
    Assignee: Dialog Semiconductor (UK) Limited
    Inventors: Stefano D'Amico, Francesco Dalena, Mirko Pasca
  • Patent number: 9966851
    Abstract: A buck-boost converter automatically chooses work mode between buck mode, boost mode and buck-boost mode, in response to an input voltage and an output voltage. The buck-boost converter is with simple structure, convenient mode transition and lower output voltage ripple.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: May 8, 2018
    Assignee: Monolithic Power Systems, Inc.
    Inventor: Qian Ouyang
  • Patent number: 9960754
    Abstract: These various embodiments serve to facilitate interlaced amplitude pulsing using a hard-tube type pulse generator having at least one energy-storage unit each comprising at least one energy-storing capacitor. Generally speaking, this comprises controlling an amount of energy withdrawn from the energy-storage unit and provided to an output load to form productive electric pulses by controlling at least one of: (1) energy replenishment; and (2) non-productive energy withdrawal of the energy-storage unit, to thereby achieve a series of productive interlaced amplitude electric pulses.
    Type: Grant
    Filed: June 8, 2010
    Date of Patent: May 1, 2018
    Assignee: Varex Imaging Corporation
    Inventors: Gongyin Chen, Robert Edward Drubka
  • Patent number: 9948177
    Abstract: A system for supplying a load comprising: an input inductor configured to receive an input voltage, a selection module connected to the inductor via a switching node, and a multi-level half-bridge stage comprising a plurality of half-bridge stages, each half-bridge stage comprising a pair of switches connected between a switching node; a power combining stage coupled to each half-bridge stage using parallel bus voltage lines output from the multi-level half-bridge stage, the power combining stage configured to output a voltage to the load; and a controller configured, based on the input voltage, to selectively control a half-bridge stage to operate in a half-bridge mode to provide a stepped-up voltage on a bus voltage line, wherein the controller is further configured to control the power combining stage to provide a voltage between the bus voltage lines and the sum of these voltages is higher than a peak of the input voltage.
    Type: Grant
    Filed: January 7, 2015
    Date of Patent: April 17, 2018
    Assignee: PHILIPS LIGHTING HOLDING B.V.
    Inventors: Eduardo-Jose Alarcon-Cot, Julia Delos Ayllon, Toni Lopez, Reinhold Elferich, Harald Josef Gunther Radermacher, Machiel Antonius Martinus Hendrix
  • Patent number: 9923457
    Abstract: An intellectual property (IP) block portion in an integrated circuit includes a first regulator, a first circuit, a power converter, and a second circuit. The first regulator is configured to receive a supply voltage and to generate a first output voltage. The first circuit is coupled with the first regulator and configured to receive the first output voltage. The power converter includes a charge pump configured to receive the supply voltage and to generate a pumped voltage; and a second regulator configured to receive the supply voltage or the pumped voltage and to generate a second output voltage. The second output voltage has a voltage level greater than a voltage level of the first output voltage. The second circuit is coupled with the power converter and configured to receive the second output voltage.
    Type: Grant
    Filed: April 23, 2015
    Date of Patent: March 20, 2018
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventor: Tien-Chun Yang
  • Patent number: 9906122
    Abstract: A capacitive voltage converter providing multiple gain modes comprising a switched capacitor array having a voltage input and a voltage output. A skip gating control coupled to the switched capacitor array and configured to control a switch resistance value of the switched capacitor array, and to control a switching sequence of the switched capacitor array. An override control coupled to the skip gating control and the switched capacitor array, the override control configured to detect transitions in a gain mode and to modify the switch resistance value of the switched capacitor array and the switching sequence of the switched capacitor array for a finite amount of time following the gain mode transition.
    Type: Grant
    Filed: April 3, 2013
    Date of Patent: February 27, 2018
    Assignee: SYNAPTICS INCORPORATED
    Inventors: Lorenzo Crespi, Lakshmi Murukutla
  • Patent number: 9906127
    Abstract: Various circuits, apparatuses and methods are disclosed for generating a DC voltage conversion. In an example embodiment, an apparatus includes a DC voltage multiplier having a first capacitor. In a first mode, the first capacitor is charged to store a first voltage between first and second terminals of the capacitor. In a second mode, the DC voltage multiplier shifts a voltage of the second terminal up to a second voltage, thereby shifting the first terminal to a third voltage. The apparatus also includes a fractional output control circuit that when enabled, connects a second capacitor between the first terminal of the first capacitor and the ground reference voltage. The connecting of the second capacitor causes the first terminal of the first capacitor to be pulled down to a voltage between the first and third voltages when the second terminal is shifted up to the second voltage.
    Type: Grant
    Filed: September 26, 2014
    Date of Patent: February 27, 2018
    Assignee: NXP B.V.
    Inventor: Ananthasayanam Chellappa
  • Patent number: 9843313
    Abstract: The present invention provides a high voltage pulse modulating power source based on alternate group triggering, which comprises: a DC stabilized voltage source for supplying power to the high voltage pulse modulating power source; a plurality of solid-state switches; a plurality of triggers corresponding to said plurality of solid-state switches, wherein each trigger provides a trigger signal to its corresponding solid-state switch to turn on said corresponding solid-state switch, wherein said plurality of triggers are divided into at least two groups of triggers; a time sequence control module, which, at time t1, controls said plurality of triggers to generate trigger signals so as to turn on said plurality of solid-state switches simultaneously, and at time t2, controls one group of said at least two groups of triggers to generate trigger signals to turn on solid-state switches corresponding to this group of triggers, wherein time t1 and time t2 appear alternately.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: December 12, 2017
    Assignees: Nuctech Company Limited, Tsinghua University
    Inventors: Yaohong Liu, Chuanxiang Tang, Xinshui Yan, Wei Jia, Jianjun Gao, Jinsheng Liu, Wei Yin, Xiying Liu, Hao Shi
  • Patent number: 9837891
    Abstract: A power circuit includes a first charge pump for converting a supply voltage into a first high voltage and a first low voltage, at least one second charge pump, each for increasing the first high voltage by a first variance value to a second high voltage, and at least one third charge pump, each for decreasing the first low voltage by a second variance value to a second low voltage. A difference between the first high and low voltages is less than a breakdown threshold. The second and third variance margins are less than the breakdown threshold.
    Type: Grant
    Filed: October 15, 2015
    Date of Patent: December 5, 2017
    Assignee: Sitronix Technology Corp.
    Inventor: Min-Nan Liao
  • Patent number: 9837993
    Abstract: Aspects of this disclosure relate to voltage generators, such as negative voltage generators. In certain configurations, a negative voltage generator includes a charge pump controllable by a clock signal and configured to provide a negative voltage at an output node, an oscillator configured to activate based on an enable signal and to provide the clock signal to the charge pump, a comparator configured to generate the enable signal based on comparing a feedback voltage with a reference value, a voltage divider electrically connected between a positive voltage node and the output node and configured to generate the feedback voltage at a feedback node, and a start-up capacitor electrically connected between the positive voltage node and the feedback node and configured to control a settling time of the feedback voltage.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: December 5, 2017
    Assignee: SKYWORKS SOLUTIONS, INC.
    Inventor: Jonathan Christian Crandall
  • Patent number: 9806607
    Abstract: This disclosure describes techniques for controlling a power supply voltage for a high-side gate driver that is used in a power converter. In some examples, in response to an overvoltage condition that occurs on an input voltage lead of a power converter, a power converter may decouple a terminal of a charge pump capacitor from the input voltage lead, and couple the terminal of the capacitor to a reference voltage lead. In further examples, in response to an overvoltage condition that occurs on an input voltage lead of a power converter, a power converter may turn off both switching transistors.
    Type: Grant
    Filed: September 9, 2015
    Date of Patent: October 31, 2017
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventor: Indumini W. Ranmuthu
  • Patent number: 9806604
    Abstract: The current invention relates to a power conversion device (10), for supplying a load (11) with a PWM signal through an inductive output filter (105). The power conversion device (10) comprises a power conversion module (101) supplied by a DC input voltage (Vin) and is configured for providing a plurality of output signals (PWM1, . . . , PWMn) having a level amplitude that is a fraction of the input voltage (Vin) level. Each output signal is floating with a bias component equally split in a plurality of steps ranging from a determined lowest fraction level amplitude to a determined highest fraction level amplitude. The power conversion device (10) further comprises a multiplexer (103) receiving as a plurality of inputs the plurality of output signals (PWM1, . . . , PWMn). The multiplexer is configured for outputting one output signal (PWMx) selected from the plurality of inputs, whereby the output signal (PWMx) of the multiplexer (103) is connected to the output filter (105).
    Type: Grant
    Filed: September 3, 2014
    Date of Patent: October 31, 2017
    Assignee: PHILIPS LIGHTING HOLDING B.V.
    Inventors: Julia Delos Ayllon, Toni Lopez, Machiel Antonius Martinus Hendrix, Eduardo-Jose Alarcon-Cot
  • Patent number: 9793793
    Abstract: A power factor correction circuit includes: a coil and MOSFETs that boost an input voltage to generate a boosted voltage; a first capacitor having one end connected to a first output terminal, and the other end connected to an intermediate node; and a second capacitor having one end connected to the intermediate node, and the other end connected to a second output terminal. In a first operation mode, the boosted vol tage is applied to the two ends of the first capacitor when a positive voltage is input, and applied to the two ends of the second capacitor when a negative voltage is input. In a second operation mode, the boosted voltage is applied to two ends of the first and second capacitors connected in series. Thus, there is provided a power factor correction circuit which has a high efficiency and is compatible with an input voltage in a broad range.
    Type: Grant
    Filed: June 9, 2016
    Date of Patent: October 17, 2017
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Kohtaroh Kataoka, Masaru Nomura, Shuji Wakaiki, Hiroki Igarashi, Akihide Shibata, Hiroshi Iwata, Takeshi Shiomi
  • Patent number: 9787131
    Abstract: A system, in certain embodiments, includes a power supply. The power supply includes an ultracapacitor configured to be charged by a DC source. The power supply also includes a first switch that enables charging of the ultracapacitor by the DC source when in a closed position and disables charging of the ultracapacitor when in an open position. The power supply further includes a second switch configured to enable discharging of the ultracapacitor when in a closed position and to disable discharging of the ultracapacitor when in an open position. As the ultracapacitor is discharged, a current is supplied to actuate a shape memory alloy element.
    Type: Grant
    Filed: July 22, 2010
    Date of Patent: October 10, 2017
    Assignee: University of Houston
    Inventors: Garrett Lewis, Gangbing Song, Devendra Patil, Claudio Olmi
  • Patent number: 9787185
    Abstract: A boost converter receives an input voltage and provides an output voltage and includes a power switch and a voltage control circuit configured to drive the power switch as a function of the output voltage. A voltage sensing circuit in the form of a voltage divider is coupled to sense the output voltage and provide a feedback voltage. The voltage control circuit drives the power switch. An electronic control switch is configured to selectively connect the voltage divider to sense the output voltage as a function of an enable signal generated by a timer circuit. The enable signal is pulsed such that the voltage divider is periodically connected to sense the output voltage during a first time and is disconnected from sensing during a second time.
    Type: Grant
    Filed: August 31, 2015
    Date of Patent: October 10, 2017
    Assignee: STMicroelectronics S.r.l.
    Inventors: Gioacchino Lo Iacono, Domenico Cristaudo, Daniele Battaglia
  • Patent number: 9774250
    Abstract: A DC/DC converter comprising a first charge pump circuit including first MOS transistors including first depletion MOS transistors, an oscillating circuit connected to the charge pump circuit only at the gates of some at least of the first MOS transistors, including the first depletion MOS transistors.
    Type: Grant
    Filed: December 7, 2015
    Date of Patent: September 26, 2017
    Assignee: COMMISARIAT À L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Gaël Pillonnet, Thomas Martinez
  • Patent number: 9729047
    Abstract: A voltage multiplier includes a supply voltage, at least two multiplier stages electrically connected together, each stage having a trigger voltage terminal, an input terminal, an output terminal, and a capacitor, and each stage connected to the supply voltage, an input stage electrically connected to a first of the at least two multiplier stages, and an output stage electrically connected to a final of the at least two multiplier stages.
    Type: Grant
    Filed: May 11, 2015
    Date of Patent: August 8, 2017
    Assignee: PALO ALTO RESEARCH CENTER INCORPORATED
    Inventors: David Eric Schwartz, Tse Nga Ng
  • Patent number: 9584521
    Abstract: Apparatus for communication includes a single one-way link, which is physically capable of carrying the communication signals in one direction and incapable of carrying the communication signals in the opposite direction. Ancillary circuitry is coupled so as to cause the single one-way link to convey both first communication signals from a first station to a second station and second communication signals from the second station to the first station.
    Type: Grant
    Filed: July 20, 2016
    Date of Patent: February 28, 2017
    Assignee: WATERFALL SECURITY SOLUTIONS LTD.
    Inventor: Lior Frenkel
  • Patent number: 9526140
    Abstract: The current invention relates to a driver (10,20) for driving at least one main load and one auxiliary load comprising: a power converter (101) adapted to convert an input voltage (Vin) into at least one main output voltage provided through a main output (1011) for driving said main load, and at least one auxiliary output DC voltage through an auxiliary output (1013) for supplying said auxiliary load, a controller (103) adapted to control the main output based on at least one input set point, wherein the power converter (101) comprises a switched capacitor converter comprising a plurality of switches and a plurality of capacitors, the main output (1011) being connected to at least one internal node of the power converter (101), the auxiliary output (1013) being connected to a DC node of the power converter (101).
    Type: Grant
    Filed: September 18, 2014
    Date of Patent: December 20, 2016
    Assignee: PHILIPS LIGHTING HOLDING B.V.
    Inventors: Julia Delos Ayllon, Toni Lopez, Machiel Antonius Martinus Hendrix, Eduardo-Jose Alarcon-Cot
  • Patent number: 9484810
    Abstract: A regulator includes a capacitor connected between a ground terminal and an output terminal at which a first voltage is supplied. The first voltage is higher than a power source voltage supplied to the regulator. A feedback circuit in the regulator is configured to output a boost signal corresponding to a comparison between the first voltage and a threshold voltage value. A clock generating circuit includes an oscillator circuit that outputs an oscillation signal and a buffer circuit that outputs a clock signal according to the oscillation signal. The clock signal has an electric current level that is controlled in accordance with the boost signal. A charge pump outputs the first voltage in accordance with the clock signal.
    Type: Grant
    Filed: February 10, 2014
    Date of Patent: November 1, 2016
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventor: Takayuki Teraguchi
  • Patent number: 9450493
    Abstract: A negative bias circuit outputs a DC voltage of a negative polarity. A positive bias circuit outputs a DC voltage of a positive polarity. The DC voltage of the positive polarity is used, for example, as a transfer voltage, and the DC voltage of the negative polarity is used as a cleaning voltage for cleaning toner. A cycle of the clock signal in a period during which the DC voltage of the first polarity is output is longer than a cycle of the clock signal in the period during which the voltage supplied to the load transits from the DC voltage of the first polarity to the DC voltage of the first polarity.
    Type: Grant
    Filed: August 27, 2014
    Date of Patent: September 20, 2016
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Osamu Nagasaki, Atsuhiko Yamaguchi, Naoki Nishimura
  • Patent number: 9419975
    Abstract: Apparatus for communication includes a single one-way link, which is physically capable of carrying the communication signals in one direction and incapable of carrying the communication signals in the opposite direction. Ancillary circuitry is coupled so as to cause the single one-way link to convey both first communication signals from a first station to a second station and second communication signals from the second station to the first station.
    Type: Grant
    Filed: April 22, 2013
    Date of Patent: August 16, 2016
    Assignee: Waterfall Security Solutions Ltd.
    Inventor: Lior Frenkel
  • Patent number: 9411346
    Abstract: An integrated circuit in which a voltage divider circuit is integrated comprises a first resistor, second resistor, control portion, switch, and switching portion. The first resistor and second resistor form a resistive voltage divider element for dividing a voltage obtained by rectifying an alternating-current voltage, or a direct-current voltage, supplied to a control portion. The switch is provided in series with the resistive voltage divider element, and passes or cuts off current passing through the resistive voltage divider element. The switching portion switches the switch so as to pass current during driving of the control portion, and cut off current during standby of the control portion.
    Type: Grant
    Filed: August 12, 2013
    Date of Patent: August 9, 2016
    Assignee: Fuji Electric Co., Ltd.
    Inventors: Taichi Karino, Akio Kitamura, Takato Sugawara
  • Patent number: 9407252
    Abstract: One or more circuits are provided wherein leakage current is mitigated. A circuit comprises a pad, a first transistor, a second transistor, a power leakage component and a data leakage component. The first transistor and the second transistor are respectively configured to control a voltage level at the pad. The first transistor is connected to the pad and to a first voltage source. The second transistor is connected to the pad and to a third voltage source. The power leakage component is connected between the first transistor and the pad. The data leakage component is connected between the second transistor and the pad. The power leakage component is configured to mitigate leakage current from the first transistor to the pad. The data leakage component is configured to mitigate leakage current from the pad to the second transistor.
    Type: Grant
    Filed: November 14, 2013
    Date of Patent: August 2, 2016
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Hao-chieh Chan, Tsung-Hsin Yu
  • Patent number: 9391063
    Abstract: An apparatus comprises an integrated circuit (IC) comprising an external IC connection, an IC substrate connection, a voltage clamp circuit and an under voltage circuit. The voltage of the IC substrate connection is set to a first voltage when a voltage of the external connection of the IC is within a normal operating voltage range. The voltage clamp circuit is configured to clamp the voltage supply of one or more circuits internal to the IC to within a normal operating voltage range when the voltage of the external IC connection exceeds the normal operating voltage range. The under voltage circuit is communicatively coupled to the clamp circuit and configured to set the voltage of the substrate to a second voltage when the voltage at the external IC connection of the IC is less than zero volts.
    Type: Grant
    Filed: May 24, 2011
    Date of Patent: July 12, 2016
    Assignee: Fairchild Semiconductor Corporation
    Inventors: Nickole Gagne, Gregory A. Maher, Christian Klein
  • Patent number: 9369006
    Abstract: Provided is a wireless power data transmission system that may transmit wireless power and may transmit data using wireless power. A wireless power transmitter may include capacitors, and may convert an electrical connection of the capacitors to a parallel connection for charging. The wireless power transmitter may also convert the electrical connection of at least two of the capacitors to a series connection for discharging.
    Type: Grant
    Filed: December 27, 2011
    Date of Patent: June 14, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ui Kun Kwon, Sang Joon Kim
  • Patent number: 9318686
    Abstract: The present invention relates to a driver device (40; 60) for driving a capacitive load (12), in particular an ultrasound transducer (12) having one or more transducer elements, comprising an output terminal (42; 68) for providing an alternating drive voltage (V14; V22) to the load (12), a plurality of voltage supply elements (46, 48, 50, 52; 72, 74) for providing intermediate voltage levels (V16), a plurality of controllable connecting means (S0-S7) each associated to one of the voltage supply elements (46, 48, 50, 52; 72, 74) for connecting the voltage supply elements (46, 48, 50, 52; 72, 74) to the output terminal (42; 68) and for supplying one of the intermediate voltage levels (V16) or a sum of a plurality of the intermediate voltage levels (V16) as the alternating drive voltage (V14; V22) to the output terminal.
    Type: Grant
    Filed: December 12, 2012
    Date of Patent: April 19, 2016
    Assignee: Koninklijke Philips N.V.
    Inventor: Antonia Cornelia Van Rens
  • Patent number: 9318952
    Abstract: Series switches for power delivery. A regulator operated as a current source is arranged in parallel with a switched capacitor divider. A switched capacitor divider is configured in series with a plurality of linear regulators with each regulating one of a plurality of voltage outputs from the switched capacitor divider. In another embodiment, a series switch bridge has a first pair of switches connected in series with a second pair of switches across a voltage input, each switch within a pair of switches is switched in-phase with the other while the first pair of switches is switched out of phase with the second pair of switches. A balancing capacitor is coupled across one switch in both the first and second pair to be in parallel when either of the pair of switches is closed to reduce a charge imbalance between the switches.
    Type: Grant
    Filed: February 13, 2014
    Date of Patent: April 19, 2016
    Assignee: Intel Corporation
    Inventors: Bradley S. Oraw, Telesphor Kamgaing
  • Patent number: 9312756
    Abstract: A charge pump system may include a charge pump including a plurality of boosting units boosting an input voltage input to an input terminal multiple times depending on clock signals and outputting the boosted voltage to an output terminal; and a charge pump protection circuit including a series resistor unit disposed between the output terminal and a ground and including a plurality of resistors connected to each other in series. A portion of the plurality of resistors are disposed in parallel to a portion of the plurality of boosting units.
    Type: Grant
    Filed: September 9, 2014
    Date of Patent: April 12, 2016
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Yong Il Kwon, Tah Joon Park, Ui Jong Song
  • Patent number: 9312400
    Abstract: Techniques are described to harvest power from a single current carrying conductor to furnish power to a powered device. The techniques employ a power harvesting device that is coupled to the conductor. In implementations, the conductor has a first path and a second path. The power harvesting device includes a first switch coupled to the second path. An energy storing element is coupled to the first path and configured to store energy based upon the direct current flowing through the first path. The power harvesting device also includes a power condition and management device coupled to the energy storing element configured to switch the first switch to a closed configuration when the energy storing element is measured to have a predefined high voltage threshold, and to switch the first switch to an open configuration when the energy storing element is measured to have a predefined low voltage threshold.
    Type: Grant
    Filed: July 1, 2011
    Date of Patent: April 12, 2016
    Assignee: Tyco Electronics Corporation
    Inventors: Mudhafar Hassan-Ali, Boris Golubovic
  • Patent number: 9312250
    Abstract: Various embodiments provide a chip. The chip has a carrier, an integrated circuit formed above the carrier, and an energy storage element. The energy storage element has a first electrode and a second electrode and is used to supply the integrated circuit with electrical energy. The carrier, the integrated circuit and the energy storage element are monolithically formed, the first electrode being formed from the carrier.
    Type: Grant
    Filed: August 26, 2014
    Date of Patent: April 12, 2016
    Assignee: INFINEON TECHNOLOGIES AUSTRIA AG
    Inventors: Gerald Holweg, Thomas Herndl, Guenter Hofer, Walther Pachler
  • Patent number: 9246382
    Abstract: Some embodiments include apparatuses and methods having an input node to receive a first voltage, an output node to provide an output voltage, and a charge pump to generate the output voltage based on the first voltage. The charge pump can include a control node to receive a control signal for controlling at least one switch of the charge pump, such that the output voltage includes a value greater than a value of the first voltage. The control signal can include a level corresponding to a second voltage having a value greater than the value of the output voltage. Additional apparatus and methods are described.
    Type: Grant
    Filed: August 8, 2013
    Date of Patent: January 26, 2016
    Assignee: Micron Technology, Inc.
    Inventors: Dong Pan, John F. Schreck
  • Patent number: 9236804
    Abstract: A power conversion system includes a power converter that converts an input voltage into a DC output voltage. Additionally, the power conversion system also includes a controller that provides a self-adjusting set-point control scheme for the power converter. A method of power conversion system operation is also provided.
    Type: Grant
    Filed: December 25, 2012
    Date of Patent: January 12, 2016
    Assignee: General Electric Company
    Inventors: Subarna Pal, Richard Hock
  • Patent number: 9229461
    Abstract: An integrated circuit in which a voltage divider circuit is integrated comprises a first resistor, second resistor, control portion, switch, and switching portion. The first resistor and second resistor form a resistive voltage divider element for dividing a voltage obtained by rectifying an alternating-current voltage, or a direct-current voltage, supplied to a control portion. The switch is provided in series with the resistive voltage divider element, and passes or cuts off current passing through the resistive voltage divider element. The switching portion switches the switch so as to pass current during driving of the control portion, and cut off current during standby of the control portion.
    Type: Grant
    Filed: August 12, 2013
    Date of Patent: January 5, 2016
    Assignee: FUJI ELECTRIC CO., LTD.
    Inventors: Taichi Karino, Akio Kitamura, Takato Sugawara
  • Patent number: 9209710
    Abstract: We describe a modular adjustable power factor renewable energy inverter system. The system comprises a plurality of inverter modules having a switched capacitor across its ac power output, a power measurement system coupled to a communication interface, and a power factor controller to control switching of the capacitor. A system controller receives power data from each inverter module, sums the net level of ac power from each inverter, determines a number of said capacitors to switch based on the sum, and sends control data to an appropriate number of the inverter modules to switch the determined number of capacitors into/out of said parallel connection across their respective ac power outputs.
    Type: Grant
    Filed: July 29, 2014
    Date of Patent: December 8, 2015
    Assignee: SOLARCITY CORPORATION
    Inventors: Paul Garrity, Aaron Michael Jungreis
  • Patent number: 9209681
    Abstract: In an initialization phase of a charge pump, an input signal is supplied to an input electrode of a capacitor of the charge pump and to an initialization device of the charge pump. An initialization signal is supplied to the initialization device of the charge pump. The initialization device supplies an output signal to an output electrode of the capacitor. The output signal has a high level and a low level corresponding to a high level and a low level of the input signal, the input signal and the output signal causing a charge to be accumulated in the capacitor. In a pumping operation phase following the initialization phase, the initialization signal is removed from the initialization device to place the output electrode of the capacitor in a floating state, and a pumping action is performed with the charge accumulated in the capacitor.
    Type: Grant
    Filed: February 25, 2014
    Date of Patent: December 8, 2015
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chan-Hong Chern, Chih-Chang Lin, Tsung-Ching Huang, Ming-Chieh Huang
  • Patent number: 9203299
    Abstract: An apparatus for converting a first voltage into a second voltage includes a reconfigurable switched capacitor power converter having a selectable conversion gain. converter includes a cascade multiplier switched capacitor network having capacitors, each of which electrically connects to a stack node and to a phase node. A controller causes the network to transition between first and second operation modes. In the first mode, at least one capacitor is isolated from a charge transfer path of the reconfigurable switched capacitor power converter. Consequently, in the first mode of operation, the power converter operates with a first gain. In the second mode, the power converter operates with a second conversion gain. Meanwhile, a third voltage across the at least one capacitor is free to assume any value.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: December 1, 2015
    Assignee: ARTIC SAND TECHNOLOGIES, INC.
    Inventors: Aichen Low, David M. Giuliano, Gregory Szczeszynski, Jeff Summit, Oscar Blyde