Control device for key-board switch

Abstract

The present invention relates to a keyboard switch control device, and comprises a switching circuit, a delay circuit and a control circuit, which are orderly connected. The switching circuit is used for generating level signals and transmitting the level signals to the delay circuit; the delay circuit is used for delaying the level signals received from the switching circuit and transmitting thelevel signals to the control circuit; the control circuit is used for receiving the level signals delayed by the delay circuit; the output end of the control unit transmits the control signals of different levels to the power supply end of a keyboard control circuit, so as to control the connection and disconnection of the power supply at the power supply end.

Description

technical field [0001] The invention relates to a keyboard switch control device. Background technique [0002] At present, the use rate of computers in our country is getting higher and higher, especially for the staff who work in the office every day, the average working time in front of the computer is as high as 78 hours, and the staff working overtime at night for specific jobs is even more Extended computer usage time. The research results of medical experts show that each component of the computer will produce electromagnetic radiation of different sizes to the human body according to the size of its power consumption and the distance from the human body, and long-term, excessive electromagnetic radiation will affect the reproductive system, nervous system and immune system of the human body. cause some damages. Computer radiation can radiate from computer monitors, hosts, keyboards, and even mice. Computer components that consume more power and are closer to the hu...

AI Technical Summary

Problems solved by technology

[0002] At present, the use rate of computers in our country is getting higher and higher, especially for the staff who work in the office every day, the average working time in front of the computer is as high as 78 hours, and the staff working overtime at night for specific jobs is even more Extended computer usage time

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