Patents Examined by Jeffrey Shin
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Patent number: 9847753Abstract: A cross-coupled complementary balanced voltage-controlled oscillator and a method for operating same. The oscillator comprises an electro-mechanical resonator, and an oscillator core. The oscillator core comprises capacitvely cross-coupled complementary inverters and a resistor network. The oscillator may comprise a frequency tuning network having inductors for increasing the tuning range. The capacitance inhibit the inverters from latching to a static direct current state. The resistor network forms a high pass filter with the capacitance to inhibit relaxation oscillations. The method comprises enabling the resistor network to form a high pass filter and starting balanced oscillations in the oscillator, the capacitance of the high pass filter for inhibiting latching, and the high pass filter for inhibiting relaxation oscillations. The method may comprise tuning the frequency by varying the capacitance of the oscillator.Type: GrantFiled: August 8, 2016Date of Patent: December 19, 2017Assignee: MAXLINEAR ASIA SINGAPORE PTE LTD.Inventors: Stanley Ho, Hormoz Djahanshahi
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Patent number: 9837823Abstract: A method and a system for controlling the charging and discharging of one or more battery packs (8) connected to a power source (7) or an apparatus (9) driven by the battery packs. The battery pack (8) comprises a number of battery cells connected to two or more terminals for establishing an electrical connection with the power source or the apparatus. The electronic system (2) for controlling the charging of the battery pack (8) and the electronic system (6) for controlling the operation of the apparatus (9) are integrated into the battery pack (8). The battery pack (8) comprises a communications interface for communicating with other battery packs (8) and generates a charging and discharging pool, where the most effective battery pack (8) to charge or discharge is charged and discharged first.Type: GrantFiled: September 26, 2012Date of Patent: December 5, 2017Assignee: NILFISK A/SInventor: Jan Thorsoe
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Patent number: 9827927Abstract: A device (1) for transmitting electrical current and/or signals in a motor vehicle is proposed. The device (1) has a wind up spring cassette (2) composed of a stator (4) and a rotor (5) in which at least one line (7) extending in windings is connected with one end thereof to the stator (4) and with the other end to the rotor (5), and at least one fixing element (3) through which a predetermined relative position for the mounting of the wind up spring cassette (2) into the motor vehicle is fixed. The fixing element is a foil like label (3) which is attached to the outside of the wind up spring cassette (2) and extends from the rotor (5) to the stator (4). The label (3) is inseparably mechanically secured at the stator (4) as well as at the rotor (5).Type: GrantFiled: February 11, 2015Date of Patent: November 28, 2017Assignee: NEXANSInventors: Stefan Krapf, Frank Schroer, Andreas Pedimonte
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Patent number: 9825588Abstract: An oscillator comprising a support substrate, at least one transducer mounted on a first surface of the support substrate, and an integrated circuit element mounted on a second surface of the support substrate. The integrated circuit element includes first and second frequency generating components integrated therein. The first frequency generating component generates a first output frequency, and the second frequency generating component generates a second output frequency that is higher than the first output frequency. The oscillator also includes a ground terminal to which the second frequency generating component is closer than the first frequency generating component.Type: GrantFiled: December 6, 2016Date of Patent: November 21, 2017Assignee: SEIKO EPSON CORPORATIONInventor: Yoshiaki Matsumoto
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Patent number: 9819306Abstract: The disclosed embodiments provide a resonant oscillator circuit. The resonant oscillator circuit includes a clipping mechanism configured to clip an output voltage of a signal pulse generated by the resonant oscillator circuit to a predefined constant level. The resonant oscillator circuit also includes a feedback path configured to return energy from the clipping mechanism to an input of the resonant oscillator circuit.Type: GrantFiled: July 15, 2016Date of Patent: November 14, 2017Assignee: Apple Inc.Inventors: William C. Athas, Catherine S. Chou
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Patent number: 9815422Abstract: A power connection box is disclosed for a hybrid vehicle and includes a current supply member and a lead line installation member. The current supply member has a first main relay, a second main relay, a bus bar, and a preliminary relay. The bus bar is connected to the first main relay and has a side connected to a battery and an opposite side connected to an inverter. The preliminary relay is positioned between the first main relay and the bus bar connected to the first main relay. The lead line installation member has a plurality of lead lines connected to the first main relay, the second main relay, and the preliminary relay.Type: GrantFiled: January 10, 2014Date of Patent: November 14, 2017Assignee: Tyco Electronics AMP Korea Ltd.Inventor: Young Geun Park
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Patent number: 9819307Abstract: A dual-band voltage controlled oscillator (VCO) includes: a first oscillator circuit including a first inductor; a second oscillator circuit including a second inductor; a first mode switch configured to electrically connect or disconnect a first output terminal of the first oscillator circuit and a first output terminal of the second oscillator circuit; a second mode switch configured to electrically connect or disconnect a second output terminal of the first oscillator circuit and a second output terminal of the second oscillator circuit; a third mode switch configured to electrically connect or disconnect a first terminal of the first inductor and a first terminal of the second inductor; and a fourth mode switch configured to electrically connect or disconnect a second terminal of the first inductor and a second terminal of the second inductor.Type: GrantFiled: June 19, 2015Date of Patent: November 14, 2017Assignee: QUALCOMM IncorporatedInventors: Mohammad Farazian, Masoud Moslehi Bajestan, Yiwu Tang, Jong Min Park, Sujiang Rong
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Patent number: 9806564Abstract: A novel integrated rectifier and boost converter circuit architecture is disclosed. The rectifier architecture includes a plurality of identical half-bridge rectifiers connected to receiving antennas to convert wireless AC power into DC power. The integrated rectifier may be coupled in series with a charging inductor in a boost converter. The inductor may discharge upon operation of two micro-controller-driven switching transistors using predetermined threshold and timing scheme to turn on/off. The rectifier architecture may provide high power densities, improve efficiency at larger load currents, and may be enabled in an integrated circuit with eight RF signal inputs, eight half-bridge rectifiers, and eight DC outputs ganged together as single feed into the boost converter.Type: GrantFiled: May 7, 2014Date of Patent: October 31, 2017Assignee: Energous CorporationInventor: Michael Leabman
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Patent number: 9800224Abstract: An electronic device includes a heat generator having a terminal, a resonator which has an outer connection terminal and on which the heat generator is disposed, a first substrate having a first surface and a second surface with the resonator connected to the first surface, and a circuit part and other electronic parts disposed on the first surface or the second surface. The outer connection terminal of the resonator is connected to the first surface, and the terminal of the heat generator is connected to the second surface.Type: GrantFiled: February 2, 2016Date of Patent: October 24, 2017Assignee: SEIKO EPSON CORPORATIONInventors: Kazuhiko Shimodaira, Kyo Horie
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Patent number: 9800172Abstract: A novel integrated rectifier and boost converter circuit architecture is disclosed. The rectifier architecture includes a plurality of identical half-bridge rectifiers connected to receiving antennas to convert wireless AC power into DC power. The integrated rectifier may be coupled in series with a charging inductor in a boost converter. The inductor may discharge upon operation of two micro-controller-driven switching transistors using predetermined threshold and timing scheme to turn on/off. The rectifier architecture may provide high power densities, improve efficiency at larger load currents, and may be enabled in an integrated circuit with eight RF signal inputs, eight half-bridge rectifiers, and eight DC outputs ganged together as single feed into the boost converter.Type: GrantFiled: December 29, 2014Date of Patent: October 24, 2017Assignee: Energous CorporationInventor: Michael Leabman
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Patent number: 9800069Abstract: A linear current regulator is provided for precharging a high voltage bus, such as within a hybrid electric vehicle, in a quick, efficient, and optimal manner. The linear current regulator can include a battery; a bus; a transistor having, a base, a collector coupled to the bus, and an emitter; a resistor coupled between a precharge switch and the base; the precharge switch coupled to the battery and the resistor; and a main contactor coupled to the battery, the emitter, and the bus. When the recharge switch is closed, the bus is connected to the battery through the resistor and the transistor so that the bus is charged. When the voltages of the bus and the battery are nearly equal, the transistor turns off, the precharge switch is opened, and the main contactor is closed for normal operation of the vehicle.Type: GrantFiled: April 3, 2014Date of Patent: October 24, 2017Assignee: Ford Global Technologies, LLCInventors: Hasdi R Hashim, Arnold Kweku Mensah-Brown, Bruce Carvell Blakemore
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Patent number: 9793905Abstract: An object of the present invention is to provide a semiconductor device including an oscillator circuit including a circuit between inverters. In the circuit, a sum of the length (a1) of a wiring path between a terminal A and a terminal C1 and a length (b1) of a wiring path between a terminal D1 and a terminal B is substantially equal to a sum of the length (a2) of a wiring path between the terminal A and a terminal C2 and the length (b2) of a wiring path between a terminal D2 and the terminal B.Type: GrantFiled: October 28, 2015Date of Patent: October 17, 2017Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Yuki Okamoto, Yoshiyuki Kurokawa
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Patent number: 9793716Abstract: Techniques are disclosed herein for improved power meter disconnect switch operation, which may include opening and/or closing of the disconnect switch. In particular, for reasons such as reduction of electromechanical stress on the disconnect switch, the disconnect switch may be operated based, at least in part, on a voltage at the load side of the disconnect switch. For example, in some cases, the disconnect switch may be opened slightly before a zero crossover of a waveform corresponding to the load side voltage. As another example, in some cases, the disconnect switch may be closed slightly before or slightly after a zero crossover of a waveform corresponding to the load side voltage.Type: GrantFiled: April 24, 2014Date of Patent: October 17, 2017Assignee: Elster Solutions, LLCInventor: Kenneth C. Shuey
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Patent number: 9789830Abstract: The invention relates to an energy supply circuit of electric components, in particular for a motor vehicle, having an accumulator, wherein a discharge monitoring circuit monitors the energy stored in the accumulator. If the energy stored in the accumulator falls below a threshold value, the discharge monitoring circuit switches off the energy supply at least of individual components, in particular of all components.Type: GrantFiled: January 24, 2014Date of Patent: October 17, 2017Assignee: Marquardt GmbHInventors: Karl Müller, Matthias Reckermann
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Patent number: 9787085Abstract: A hot plug device includes an electronic subsystem and a plurality of main turn on FETs, wherein each main turn on FET includes a gate, a power input for coupling to a power source, and an output for controllably providing power to the electronic subsystem. An auxiliary current path is in parallel with the main turn on FETs and includes a fuse, an impedance element and an auxiliary turn on FET. A turn on controller controls the main turn on FETs and the auxiliary turn on FET. Current is initially through the high impedance auxiliary current path to apply voltage to an output power rail. Subsequently, current is allowed to pass through a plurality of main turn on FETs to the output power rail in response to the output power rail having a voltage exceeding a voltage threshold as a result of using the high impedance auxiliary current path.Type: GrantFiled: April 18, 2014Date of Patent: October 10, 2017Assignee: International Business Machines CorporationInventors: Jamaica L. Barnette, Nicholas Celenza, Brian C. Totten
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Patent number: 9780726Abstract: A quadrature voltage controlled oscillator (QVCO). The QVCO includes a first node for providing a first quadrature signal, a second node for providing a second quadrature signal, a third node for providing a third quadrature signal, and a fourth node for providing a fourth quadrature signal. The QVCO further includes a first coil connected between the first node and the second node and a second coil connected between the third node and the fourth node. The first coil and second coil are positively magnetically coupled.Type: GrantFiled: October 10, 2016Date of Patent: October 3, 2017Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Sachin Kalia, Bradley A. Kramer, Swaminathan Sankaran
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Patent number: 9776514Abstract: As an object of reducing a noise resulted from the mutual influences between circuit-configuring components, a DC-DC converter includes a high voltage circuit section that is electrically connected to a transformer, a low voltage circuit section that is electrically connected to the transformer, a housing in which the high voltage circuit section and the low voltage circuit section are accommodated, a control circuit board that controls the driving of the low voltage circuit section, and a frame that supports the control circuit board. The frame is arranged on a position facing a bottom surface of the housing while crossing the low voltage circuit section. The housing includes a first wall that separates a first space in which the high voltage circuit section is accommodated and a second space in which circuit components configuring the low voltage circuit section are accommodated. The frame forms a second wall that protrudes toward a direction approaching a leading end of the first wall.Type: GrantFiled: November 6, 2013Date of Patent: October 3, 2017Assignee: Hitachi Automotive Systems, Ltd.Inventors: Yuuji Sobu, Mikito Komatsu, Keisuke Fukumasu, Tatsuya Nakazawa
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Patent number: 9768832Abstract: According to one embodiment, there is provided a power electronics device in which a selects a first power electronics device and a second power electronics device from power electronics devices, based on power attribute information and communication attribute information of each power electronics device, and the first power electronics device is a master of power allocation control of electric energy that the power electronics devices connected to one power line of power lines perform input and output on the one power line, and the second power electronics device is a master of output power phase synchronization control of power which the power electronics devices connected to the one power line outputs to the one power line.Type: GrantFiled: March 14, 2014Date of Patent: September 19, 2017Assignee: Kabushiki Kaisha ToshibaInventors: Yasuyuki Nishibayashi, Kotaro Ise, Takafumi Sakamoto, Yuji Tohzaka, Ikuya Aoyama
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Patent number: 9764647Abstract: The first power converter is connected with a circuit connected with an overhead line, and an intermediate link, and mutually converts power. The second power converter is connected with the intermediate link, and a circuit electrically connected with an induction motor, and mutually converts power. The auxiliary power-supply device receives power from the intermediate link, and supplies power to a load. The operation controller controls the operation/deactivation of the first power converter based on acceleration and speed of a vehicle, auxiliary source power, and a restriction value for regenerative power to the overhead line in such a way that the power to be supplied to the auxiliary power-supply device becomes equal to or larger than the auxiliary source power, and the regenerative power flowing to the overhead line 105 becomes equal to or smaller than the restriction value.Type: GrantFiled: March 6, 2013Date of Patent: September 19, 2017Assignee: MITSUBISHI ELECTRIC CORPORATIONInventor: Kotaro Matsuda
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Patent number: 9762293Abstract: Disclosed is a wireless power transmitter which transmits power to a wireless power receiver using resonance. The wireless power transmitter includes a repeating resonant unit and a power source transmitting AC power having a mutual-change resonant frequency, which results from a mutual inductance component between the wireless power receiver and the repeating resonant unit, to the repeating resonant unit.Type: GrantFiled: September 11, 2012Date of Patent: September 12, 2017Assignee: LG INNOTEK CO., LTD.Inventor: Su Ho Bae