Automatic reset device

A technology of automatic reset and reset signal, applied in electrical components, pulse technology, electronic switches, etc., can solve problems such as non-reset

Active Publication Date: 2013-10-02
GOERTEK INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The invention provides an automatic reset device, which can solve the problem that the existing electronic products can only reset the program of running and flying by manually pressing the mechanical reset button, but cannot automatically reset

Method used

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Embodiment Construction

[0023] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0024] The automatic reset device provided by the present invention is arranged inside the electronic device and connected with the system chip inside the electronic device. When the electronic device is turned off, according to the detected shutdown signal, a reset signal is output to the system chip of the electronic device after a fixed length of time delay. The system chip of the electronic device realizes the reset of the electronic device according to the reset signal. The current equipment using the automatic reset device provided by the present invention does not need additional mechanical switches. The automatic reset device provided by the present invention uses electronic components, which can automatically detect the shutdo...

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Abstract

The invention discloses an automatic reset device. The automatic reset device comprises an on/off signal detection circuit, a time-delay circuit and a reset signal output circuit, wherein the on/off signal detection circuit is used for detecting an on signal and an off signal of electronic equipment; the time-delay circuit is connected with the on/off signal detection circuit and is used for delaying time with fixed length when the on/off signal detection circuit detects the off signal and then sending out a notification signal; the reset signal output circuit is connected with the time-delay circuit and is used for outputting a reset signal to a system chip of the electronic equipment after receiving the notification signal. The automatic reset device provided by the invention can solve the problem that the existing electronic products can reset the runaway program only by manually pressing down a mechanical reset press button.

Description

technical field [0001] The invention relates to the technical field of electronic product development, in particular to an automatic reset device. Background technique [0002] For electronic products powered by rechargeable batteries, due to the design, they cannot be easily removed from the product like button batteries or dry batteries. When the electronic product has a program disorder, it is impossible to reset the system by disconnecting the power supply and then reconnecting it, so it may cause problems that the system cannot be turned on or off, making the product unusable. [0003] In order to prevent the program of electronic products from running away, a mechanical key switch is generally designed to manually reset the system when the system program is disordered. [0004] The existing mechanical reset is relatively simple in design, but for miniaturized electronic products, there may be an embarrassing problem that there is no place to place the mechanical reset...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03K17/22
Inventor 刘东宝
Owner GOERTEK INC
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