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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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Electronic switching and protection circuit with a logarithmic adc
Infineon Technologies Ag
October 12, 2017 - N°20170294922

An embodiment electronic circuit includes an electronic switch comprising a load path, a first protection circuit configured to generate a first protection signal based on a current-time-characteristic of a load current through the load path of the electronic switch, and a drive circuit configured to drive the electronic switch based on the first protection signal. The first protection circuit includes ...
Electronic switching and protection circuit
Infineon Technologies Ag
October 12, 2017 - N°20170294918

An embodiment electronic circuit includes an electronic switch comprising a load path, a first protection circuit configured to generate a first protection signal based on a current-time-characteristic of a load current through the load path of the electronic switch, and a drive circuit configured to drive the electronic switch based on the first protection signal. The first protection circuit includes ...
Smart senses for direct charging
Microsoft Technology Licensing, Llc
October 12, 2017 - N°20170294789

In an embodiment, a device is discussed, the device comprising: a battery, a battery charging circuit configured to allow direct charging of the battery by an external charger, a battery protection circuit configured to protect the battery from damage, coupled to the battery charging circuit; and a connector comprising: at least one sense wire coupled to the battery to sense ...
Protection Circuit Patent Pack
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Protection Circuit Patent Applications
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  • 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.
Electronic switching and protection circuit with test mode function
Infineon Technologies Ag
October 12, 2017 - N°20170294773

An embodiment electronic circuit includes an electronic switch comprising a load path, and a control circuit configured to drive the electronic switch and configured to operate in one of a first operation mode and a test mode. The control circuit comprises a test mode input and is configured to operate in the test mode based on a test signal received ...
Electronic switching and protection circuit with several operation modes
Infineon Technologies Ag
October 12, 2017 - N°20170294772

An embodiment electronic circuit includes an electronic switch comprising a load path, and a control circuit configured to drive the electronic switch. The control circuit is configured to operate in one of at least two operation modes. The at least two operation modes comprise a first operation mode and a second operation mode. The control circuit, in the second operation ...
Temperature detection device
Toyota Jidosha Kabushiki Kaisha
October 12, 2017 - N°20170294771

A protection circuit includes a first sensor connecting path having a first overcurrent protection element and connecting one of terminals of a first temperature sensor to a sensor input circuit; a second sensor connecting path having a second overcurrent protection element and connecting one of terminals of a second temperature sensor to the sensor input circuit; a rectifying element connecting ...
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.
Ultrasound catheter for imaging and blood flow measurement
Volcano Corporation
October 12, 2017 - N°20170290562

Rotational intravascular ultrasound (ivus) imaging devices, systems, and methods are provided. Some embodiments are directed to transducer mounting configurations that enable polymer piezoelectric micro-machined ultrasonic transducers (pmuts) to be used with a doppler color flow rotational ivus imaging system. In one embodiment, a rotational intravascular ultrasound (ivus) device includes: a flexible elongate body; a piezoelectric micromachined ultrasound transducer (pmut) coupled ...
Input overvoltage protection circuit
Fanuc Corporation
October 05, 2017 - N°20170288393

An input overvoltage protection circuit is equipped with a first wiring and a second wiring which are connected to a protected circuit in order to supply a voltage thereto, a fuse inserted in series in the first wiring and which interrupts a current flowing through the first wiring when a current greater than or equal to a predetermined value flows ...
Electronic device with reverse voltage protection circuitry for multiple control lines
Apple Inc.
October 05, 2017 - N°20170288392

A host electronic device may be coupled to an accessory electronic device. The host device and the accessory device may be connected via power supply lines and user data lines. If the host and accessory devices are improperly connected or if the accessory device is exposed to an incorrect voltage environment, the internal circuitry on the accessory device can be ...
Short-circuit protection circuit for self-arc-extinguishing type semiconductor element
Mitsubishi Electric Corporation
October 05, 2017 - N°20170288385

A short-circuit protection circuit for a self-arc-extinguishing type semiconductor element includes a first protection circuit and a second protection circuit. The first protection circuit is configured to reduce a voltage between a control electrode and a first main electrode of the self-arc-extinguishing type semiconductor element when detecting overcurrent flowing between the first main electrode and a second main electrode. The ...
Fingerprint sensor having electrostatic discharge protection
Elan Microelectronics Corporation
October 05, 2017 - N°20170286744

A fingerprint sensor having electrostatic discharge (esd) protection includes a first esd protection electrode and a second esd protection electrode. The first esd protection electrode is connected to an esd protection circuit for providing an esd path, where the first esd protection electrode and a fingerprint sensor electrode array are formed in a same layer of the fingerprint sensor. The ...
Apparatus and methods for overload protection of low noise amplifiers
Skyworks Solutions, Inc.
September 28, 2017 - N°20170279415

Apparatus and methods for overload protection of low noise amplifiers (lnas) are provided herein. In certain configurations, an lna system includes an input switch having an analog control input that controls an impedance of the input switch, an lna that amplifies a radio frequency (rf) input signal received from the input switch, and an overload protection circuit that provides feedback ...
Insulated synchronous rectification dc/dc converter
Rohm Co., Ltd.
September 28, 2017 - N°20170279363

An insulated synchronous rectification dc/dc converter is provided. A feedback circuit drives a light-emitting element of a first photocoupler such that the output voltage vout of the dc/dc converter approaches a target voltage. A primary side controller is coupled to a light-receiving element of the first photocoupler, so as to switch on and off a switching transistor according ...
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.
Semiconductor device including electrostatic protection circuit
Renesas Electronics Corporation
September 21, 2017 - N°20170272072

A semiconductor device includes: a first power source (ps1) pad supplied with a ps1 voltage; a ps1 line connected to the ps1 pad; a first ground line (g1); an output circuit operated using the ps1 voltage; a second power source (ps2) pad supplied with a ps2 voltage; a ps2 line connected to the ps2 pad; a second ground line (g2); ...
Display device and electronic device having the same
Samsung Display Co., Ltd.
September 21, 2017 - N°20170270864

A display device includes a display panel including data lines, scan lines, and pixels, a scan driver configured to provide a scan signal to the pixels through the scan lines, a data driver configured to provide data signal to the pixels through the data lines, a voltage generator configured to provide an on-bias voltage to the pixels through the data ...
Low side output driver reverse current protection circuit
Texas Instruments Incorporated
September 14, 2017 - N°20170264281

Disclosed examples include integrated circuits, output driver circuits and protection circuits to protect an output transistor connected between a driver output node and a first intermediate node, including a resistor connected between the output node and a gate terminal of the output transistor, a diode connected between a second intermediate node and the output transistor gate terminal, and a switching ...
Power amplifier with input power protection circuits
Texas Instruments Incorporated
September 14, 2017 - N°20170264253

An rf power amplifier circuit and input power limiter circuits are disclosed. A power detector generates a voltage output proportional to a power level of an input signal. There is a directional coupler with a first port connected to a transmit signal input, a second port connected to the input matching network, and a third port connected to the power ...
Overvoltage and overcurrent protection circuit and mobile terminal
Guang Dong Oppo Mobile Telecommunications Corp., Ltd.
September 14, 2017 - N°20170264114

The present disclosure provides an overvoltage and overcurrent protection circuit and a mobile terminal. The overvoltage and overcurrent protection circuit comprises a primary protection circuit and a secondary protection circuit. The primary protection circuit comprises a power end coupled to an anode of a cell, a detection end coupled to a cathode of the cell, and a low potential interface ...
Switching regulator
Sii Semiconductor Corporation
September 14, 2017 - N°20170264092

To provide a switching regulator equipped with an overheat protection circuit small in current consumption. A switching regulator of the present invention is configured to intermittently operate an overheat protection circuit only for a prescribed period based on a signal turning on a switching element, which is outputted from an output control circuit.
Route protection circuit and liquid crystal display
Shenzhen China Star Optoelectronics Technology Co., Ltd.
September 14, 2017 - N°20170263166

The circuit of the present invention comprises a detection module and a feedback module, wherein an output end of a power supply management module is coupled to one end of a voltage level shift module, and the other end of the voltage level shift module is coupled to a first end of the detection module, and a second end of ...
Regulator
Realtek Semiconductor Corporation
September 14, 2017 - N°20170262006

A regulator includes a driving circuit, an amplifying circuit and an overvoltage protection circuit. The driving circuit is configured to receive an input voltage and provide an output voltage through an output terminal. The amplifying circuit is configured to control the driving circuit according to the output voltage. The overvoltage protection circuit is configured to conduct a first current from ...
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