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Protection Circuit

Protection Circuit-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Failure avoidance for battery packs having overcharge protection circuits
Black & Decker Inc.
July 12, 2018 - N°20180198293

A battery pack is provided for use with a power tool. The battery pack includes a housing and a plurality of battery cells connected in series within the housing, such that an inter-cell node is defined between each pair of adjacent battery cells.
Display device
Japan Display Inc.
July 12, 2018 - N°20180197893

To make the dimension of an electrostatic protection circuit small with the same maintained high in sensitivity. The electrostatic protection circuit is of the configuration that a first diode and a second diode are connected in series, wherein a semiconductor layer owned by each diode is configured to be sandwiched between a gate electrode and a conductive light shielding film.
Level shift circuit
Fuji Electric Co., Ltd.
July 05, 2018 - N°20180191340

A level shift circuit including serially-connected first resistor and first transistor and serially-connected second resistor and second transistor, a protection circuit that receives signals at a first junction between the first resistor and the first transistor and a second junction between the second resistor and the second transistor, a latch circuit receiving an output of the protection circuit, serially-connected third ...
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Protection Circuit Patent Applications
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  • 262+ full patent PDF documents of Protection Circuit-related inventions.
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Electronic switch and protection circuit
Infineon Technologies Ag
July 05, 2018 - N°20180191147

Disclosed is an electronic circuit and a method. The electronic circuit includes a plurality of electronic switches each including a load path and a control node, wherein the load paths are connected in parallel between a first load node and a second load node of the electronic circuit; a current sense circuit configured to sense a load current between the ...
Protection circuit for a fuel cell and method of use
General Electric Company
July 05, 2018 - N°20180191010

A protection circuit for a fuel cell coupled to a load. The protection circuit includes a switch and a controller.
Esd protection for depletion-mode devices
Nxp Usa, Inc.
July 05, 2018 - N°20180190639

A device includes a transistor configured for depletion-mode operation, the transistor having a gate terminal and a drain terminal, and an electrostatic discharge (esd) protection circuit coupling the gate terminal and the drain terminal. The esd protection circuit includes a discharge path circuit and a trigger circuit coupled to, and configured to control, the discharge path circuit.
Protection Circuit Patent Pack
Download 262+ patent application PDFs
Protection Circuit Patent Applications
Download 262+ Protection Circuit-related PDFs
For professional research & prior art discovery
inventor
  • 262+ full patent PDF documents of Protection Circuit-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Fault and short-circuit protected output driver
Infineon Technologies North America Corp.
June 28, 2018 - N°20180183426

A driver and protection circuit for driving a power switch is disclosed. The driver and protection circuit includes a fault detection block configured to detect a discrepancy between a reference drive signal and a measured voltage at a gate of the power switch.
Electrostatic discharge (esd) protection for use with an internal floating esd rail
Nxp B.v.
June 28, 2018 - N°20180183233

Embodiments of an electrostatic discharge (esd) protection device and a method of operating an esd protection device are described. In one embodiment, the esd protection circuit is connected between a vdd rail and a vss rail and includes an internal floating esd rail located between the vdd rail and the vss rail, i/o pins connected between the internal floating ...
Dynamically triggered electrostatic discharge cell
Texas Instruments Incorporated
June 28, 2018 - N°20180182749

An electrostatic discharge (esd) protection circuit includes an active shunt transistor, a first pull-down transistor, and a second pull-down transistor. The active shunt transistor is coupled between a first i/o pad and a reference voltage.
Electronic switching and reverse polarity protection circuit
Infineon Technologies Dresden Gmbh
June 21, 2018 - N°20180175846

An electronic circuit includes a first transistor device and a second transistor device of the same conductivity type. The first transistor device is integrated in a first semiconductor body and includes a first load pad at a first surface of the first semiconductor body and a second load pad at a second surface of the first semiconductor body.
Input protection circuit for an analog optocoupler
Micro Motion, Inc.
June 21, 2018 - N°20180175810

An input protection circuit (110) for an optocoupler (20) is provided. The input protection circuit (110) includes a first voltage limiter (d1) with a first terminal that is electrically coupled to an input terminal of an amplifier circuit (120), wherein the input terminal of the amplifier circuit (120) is configured to receive a pwm signal and the amplifier circuit (120) is configured to provide a voltage ...
Radio frequency integrated circuit (rfic) charged-device model (cdm) protection
Qualcomm Incorporated
June 21, 2018 - N°20180175803

An apparatus is described. The apparatus includes an input device.
Isolated synchronous rectification-type dc/dc converter
Rohm Co., Ltd.
June 21, 2018 - N°20180175738

A secondary controller drives a light emitting element of a photocoupler such that a detection voltage vouts corresponding to an output voltage vout generated in an output capacitor c approximates to a reference voltage vref. A primary controller controls a switching transistor m according to a feedback signal vfb.
Protection Circuit Patent Pack
Download 262+ patent application PDFs
Protection Circuit Patent Applications
Download 262+ Protection Circuit-related PDFs
For professional research & prior art discovery
inventor
  • 262+ full patent PDF documents of Protection Circuit-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Systems and methods for reuse of battery pack-side current and voltage sensing
Qualcomm Incorporated
June 21, 2018 - N°20180175641

Systems and methods for reuse of battery pack-side current and voltage sensing are disclosed. By reusing elements within a battery pack, a battery field effect transistor (fet) within a power management integrated circuit (pmic) may be eliminated or at least bypassed.
Power control module using protection circuit for regulating backup voltage to power load during power ...
Western Digital Technologies, Inc.
June 21, 2018 - N°20180175619

A power control module comprising low voltage (lv) port for receiving low supply voltage via lv supply line, high voltage (hv) input port for receiving high supply voltage via hv supply line, wherein high supply voltage is higher than low supply voltage, lv output port for providing low output voltage, hv output port for providing high output voltage, lv node ...
Overvoltage protection circuit
Ebm-papst Mulfingen Gmbh & Co.kg
June 21, 2018 - N°20180175616

The present invention relates to an overvoltage protection circuit (1) for protecting the electronics of a motor, in particular of an ec motor, against overvoltage pulses, with two protective devices (fs1, fs2) arranged in series connection between two connections (10, 20), wherein a resistor (r1) or (r2) is connected in parallel to each of the protective devices (fs1, fs2) and at least one ...
Electronic device protection circuit, coresponding device and method
Stmicroelectronics International N.v.
June 21, 2018 - N°20180175606

A circuit includes an input terminal and a regulated supply line for supplying an electronic device with an electrostatic discharge protection and driver circuit for the electronic device. The supply line is coupled to the input terminal via the circuitry, so that current injected into the input terminal may produce a voltage increase on the regulated supply line.
Display panel and overcurrent protection circuit of gate driver on array circuit for display panel
Shenzhen China Star Optoelectronics Technology Co. Ltd.
June 21, 2018 - N°20180174501

The present disclosure proposes an overcurrent orotection circuit of the goa circuit. A voltage signal from a control signal source of the goa circuit is converted into a current signal, and then the current signal is amplified.
Lightweight trusted tasks
Intel Corporation
June 21, 2018 - N°20180173644

Methods and apparatus relating to lightweight trusted tasks are disclosed. In one embodiment, a processor includes a memory interface to a memory to store code, data, and stack segments for a lightweight-trusted task (ltt) mode task and for another task, a ltt control and status register including a lock bit, a processor core to enable ltt-mode, configure the ltt-mode task, ...
Oring control using low voltage device for high voltage dc rack
Google Inc.
June 14, 2018 - N°20180166873

A protection circuits for server racks may include an oring circuit having a first mosfet, a first diode, and first and second comparators. Each of the first and second comparators supports a maximum voltage difference that is less than an operational voltage of the power supply.
Esd protection circuit cell
Taiwan Semiconductor Manufacturing Co., Ltd.
June 14, 2018 - N°20180166439

A protection cell for a cell library. The protection cell defines a protection circuit for an ic having a driving device with a first supply voltage vdd1 and an output, and a driven device having an input and a second supply voltage vdd2.
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