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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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Dc-dc converter
Murata Manufacturing Co., Ltd.
November 30, 2017 - N°20170346409

A dc-dc converter includes a filter circuit, a full-bridge circuit connected to the filter circuit, and a transformer having a primary winding and a secondary winding, the primary winding being connected to the full-bridge circuit. The full-bridge circuit includes first to fourth semiconductor switches. First to fourth overvoltage protection circuits are associated with the first to fourth semiconductor switches, respectively. ...
Battery protection board, battery and mobile terminal
Guangdong Oppo Mobile Telecommunications Corp., Ltd.
November 30, 2017 - N°20170346315

Embodiments of the present disclosure provide a battery protection board, a battery and a mobile terminal. A battery protection board includes a protection circuit and a detection circuit. The protection circuit is configured to be coupled to a charge and discharge circuit of a battery in a mobile terminal. The detection circuit is coupled to at least part of the ...
Battery protection board, battery and mobile terminal
Guangdong Oppo Mobile Telecommunications Corp., Ltd.
November 30, 2017 - N°20170346314

Embodiments of the present disclosure provide a battery protection board, a battery and a mobile terminal. The battery protection board includes a first protection circuit, a current sensing element and a battery voltmeter. The first protection circuit is configured to control the charge and discharge circuit to turn on or off. The current sensing element is configured to be coupled ...
Protection Circuit Patent Pack
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Protection Circuit Patent Applications
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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.
Selective protection circuit and method, and power supply system
Huawei Technologies Co., Ltd.
November 30, 2017 - N°20170346275

A selective protection circuit includes a current-limiting module and a control module, where the current-limiting module includes a switch unit, and the switch unit includes a first end, a second end, and a control end; the first end is connected to a positive electrode of a bus voltage of an hvdc power supply, and the second end is connected to ...
Semiconductor device
Renesas Electronics Corporation
November 30, 2017 - N°20170346274

A semiconductor device according to related art has a problem that a clamp voltage that clamps an output voltage cannot adaptively vary in accordance with a power supply voltage, and it is thus not possible to reduce heating of a semiconductor chip to a sufficiently low level. According to one embodiment, a semiconductor device includes a drive circuit (10) that controls ...
Secured body of memory card reader
Ingenico Group
November 30, 2017 - N°20170346208

A memory card reader body has a generally rectangular parallelepiped shape and a slot for inserting a memory card. The reader body furthermore includes a housing for receiving a memory card connector, and at least one protection circuit. The body includes an upper lid and a lower lid, where the protection circuit is positioned on an internal face of the ...
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.
Distribution block with integrated surge protective device
Erico International Corporation
November 23, 2017 - N°20170338649

A modular distribution block for a high-current power system includes a ground module and one or more phase modules. The ground module includes a grounding clamp configured to electrically and mechanically connect to a din rail and to retain the distribution block in place with respect to the din rail. The phase module(s) include: a conductive splice block that ...
Digital power supply protection circuit, and apparatus
Huawei Technologies Co., Ltd.
November 23, 2017 - N°20170338647

A digital power supply protection circuit includes: a signal preprocessing circuit, configured to receive an overcurrent signal and a first inceptive impulse clock timing, and perform preprocessing on the overcurrent signal according to the first inceptive impulse clock timing so as to obtain a first reference signal a signal generation circuit, configured to receive the first inceptive impulse clock timing, ...
Integrated circuit and electrostatic discharge protection circuit thereof
Vanguard International Semiconductor Corporation
November 23, 2017 - N°20170338221

An electrostatic discharge protection circuit is provided. The electrostatic discharge protection circuit includes a first metal-oxide-semiconductor (mos) transistor, a second mos transistor, and a third mos transistor. The first mos transistor is coupled between a power terminal and a ground terminal. The first mos transistor has a control electrode terminal coupled to a first node to receive a first signal. ...
Semiconductor integrated circuit device including an electrostatic discharge protection circuit
Sk Hynix Inc.
November 23, 2017 - N°20170338219

A semiconductor integrated circuit device having a first clamping circuit, a second clamping circuit, a third clamping circuit, a first path-changing line and a second path-changing line. The first clamping circuit may be connected between an input/output pad and a power pad. The first clamping circuit may include a plurality of diodes serially connected with each other. The second ...
Battery protection circuit and method
Motorola Solutions, Inc.
November 16, 2017 - N°20170331304

A method and apparatus for a battery protection circuit. One embodiment provides a method for protecting a battery including receiving, with a comparator, a first voltage, the first voltage including a switch voltage across a current limiting switch provided on a current path of a battery and coupled to a current limiting control circuit to limit current output by the ...
Semiconductor device, liquid crystal display panel, and mobile information terminal
Renesas Electronics Corporation
November 16, 2017 - N°20170330524

A semiconductor device includes a plurality of sets of external drive terminals in a marginal region along one long side of a rectangular semiconductor substrate, a plurality of sets of esd protection circuits arranged in the marginal region and coupled to corresponding sets of the drive terminals, and a plurality of output circuits coupled to corresponding sets of the drive ...
Electro-static discharge protection circuit
Realtek Semiconductor Corporation
November 09, 2017 - N°20170324239

This disclosure provides an esd protection circuit coupled to a first and a second terminals of a differential-pair circuit. The esd protection circuit includes: an esd sensing unit coupled to the first and the second terminals and sensing electrical changes at the first and the second terminals to generate a first trigger signal; and a first discharging unit coupled to ...
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.
Bus driver / line driver
Analog Devices Global
November 09, 2017 - N°20170323879

A bus driver is provided that can withstand over voltages being applied to its output terminal without the protection circuit detracting from the voltage swing that can be provided by the driver. The circuit arrangement also allows transistors having good on state resistance and large tolerance of drain-to-source voltages to be used.
Led lighting system
Analog Devices Global
November 02, 2017 - N°20170318633

The invention describes an led lighting system (1) comprising a wireless communication arrangement (11, 12) for wireless transfer of signals (d10_11, d11_12, d4_12, d5_12) between devices (10, 11, 12, 4, 5) of the led lighting system (1); at least one led lamp (10) connectable to a mains power supply (2), which led lamp (10) comprises a driver arrangement (100) with a control unit (102) for controlling the led lamp (10) according to a received signal (...
Semiconductor device including amplifier
Analog Devices Global
November 02, 2017 - N°20170317652

Disclosed here is an apparatus that comprises an amplifier having first and second input nodes, first and second resistors, a first electrostatic discharge protection circuit coupled between the first input node and the first resistor, and a second electrostatic discharge protection circuit coupled between the second input node and the second resistor.
Dc-dc converter
Analog Devices Global
November 02, 2017 - N°20170317592

There is provided a dc-dc converter which is safe and secure, but yet with low power consumption. The dc-dc converter is configured such that an overcurrent protection circuit is operated intermittently only for a predetermined period of time based on a signal output from an output control circuit to turn on a switching element.
Dc-dc converter
Analog Devices Global
November 02, 2017 - N°20170317590

There is provided a dc-dc converter which is safe and secure, but yet with low power consumption. The dc-dc converter is configured to monitor the output voltage of an error amplifier, and detect that the output voltage of the error amplifier becomes a fixed value or smaller to drive an overheat protection circuit and a supply voltage monitoring circuit intermittently.
Enablement of device power-on with proper assembly
Analog Devices Global
November 02, 2017 - N°20170317490

An electronic device is configured with sub-assemblies including a main logic board, flexible printed circuit, and dual battery packs that are assembled together with electrical connectors to enable power from the battery packs to flow over a power bus that is distributed along the flexible printed circuit and main logic board. A protection circuit module (pcm) in each battery pack ...
Over-current protection in multiphase dc-dc switching regulators
Analog Devices Global
November 02, 2017 - N°20170317488

The disclosure provides an over-current protection circuit. A signal generating block in the over-current protection circuit generates one or more input voltages, a summed voltage and an average voltage in response to one or more differential voltages. A control block generates one or more control signals in response to the one or more input voltages and the average voltage. An ...
Multiple voltage output battery case with protection and alarm system
Analog Devices Global
November 02, 2017 - N°20170317333

A battery holder containing 2 or more batteries connected to allow multiple voltage outputs. Each output being protected by an automatically resettable circuit to limit maximum current under all possible external connections and sound an alarm or produce a visual indication or both if any output current is exceeded. Protection and alarm are designed to sense current levels and work in ...
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