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Method and apparatus for implementing one-key type computer opening/closing

A key switch and switch technology, applied in the field of electronics, can solve the problems of poor reliability, high cost, large size, etc., and achieve the effects of stable and reliable functions, improved efficiency, and simple and easy-to-use circuits.

Active Publication Date: 2009-01-21
HUAWEI DEVICE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] For the first implementation of the prior art, due to the use of mechanical key switches, the cost is high, the volume is large, and the reliability is poor, which is not conducive to the miniaturization design and long-term use of the product; for the second implementation, due to the use of Dedicated power management system is costly and technically difficult for most existing terminal electronic products, which is not conducive to promotion and popularization

Method used

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  • Method and apparatus for implementing one-key type computer opening/closing
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  • Method and apparatus for implementing one-key type computer opening/closing

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Embodiment Construction

[0034] The embodiment of the present invention provides a method and device for realizing one-button power on and off. Through the embodiment of the present invention, one-button power on and off is adopted for the terminal, the circuit is simple and easy to use, the function is stable and reliable, and the efficiency of terminal power on and off is improved, which is suitable for general promotion.

[0035] The implementation of the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0036] like figure 1 As shown, it is a schematic structural diagram of a device for realizing one-button power on and off proposed in Embodiment 1 of the present invention, including: a switch 10, a power on and off control circuit 11, a shutdown detection circuit 12, a power converter 13, and a first feedback circuit 14. Processor 15, wherein,

[0037] The switch 10 includes a control terminal 100, a first terminal 101...

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PUM

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Abstract

The invention discloses a method and a device, which realize one-click on / off. The method realizing one-click on / off includes the following steps. A conduction switch is connected with an external power; the enable active level of a supply convertor is generated according to the external power, which makes the supply convertor change the level of the external power into a first level. The first level ensures the normal work of a processor. The processor is started according to the first level. The enable active level of the supply convertor is generated according to the first level. The enable of the supply convertor is kept to be the enable active level. The switch is cut off. With the invention embodiment, the one-click on / off of the terminal is realized. The circuit is simple and the function is stable. The on / off efficiency of the terminal is improved. The invention embodiment is suitable for generalization.

Description

technical field [0001] Embodiments of the present invention relate to the field of electronic technology, and in particular to a method and device for realizing one-button power on and off. Background technique [0002] One-button switch, that is, the system is turned on and off with the same action. The main purpose of booting is to start and maintain the power supply to make the system work normally; the main purpose of shutting down is to detect the shutdown signal, save the necessary system information, and turn off the power supply. [0003] The one-button power on / off mode has gradually become one of the main ways to power on and off terminal electronic products, such as mobile phones, due to its safe and reliable information storage and simple operation. [0004] The existing one-button switch machine adopts two kinds of realization ways to realize. One is to use a self-holding button switch to change the switch state through a mechanical button action to control th...

Claims

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Application Information

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IPC IPC(8): H04Q7/32H04M1/02
Inventor 常智
Owner HUAWEI DEVICE CO LTD
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