22-03-2018 дата публикации
Номер: US20180083627A1
Принадлежит:
The present disclosure provides a switch control device and method for electronic device, and an electronic device. The switch control device of the electronic device comprises: a high level output unit, connected with the high level input terminal and configured to output a high level with a predetermined amplitude to the high level input terminal, the predetermined amplitude higher than a predetermined voltage; a logic level output unit configured to output a logic level; and a switch unit, with a control terminal inputted with the logic level, a first terminal inputted with the ground terminal, and a second terminal inputted with a low level, and configured to connect the first terminal and the second terminal when the logic level is in a first state, in order to turn on the electronic device, and disconnect the first terminal from the second terminal when the logic level is in a second state, in order to turn off the electronic is device. 1. A switch control device for an electronic device comprising a ground terminal and a high level input terminal , the switch control device comprising:a high level output unit connected with the high level input terminal and configured to output a high level with a predetermined amplitude to the high level input terminal, the predetermined amplitude higher than a predetermined voltage;a logic level output unit configured to output a logic level; and,a switch unit, with a control terminal inputted with the logic level, a first terminal connected with the ground terminal, and a second terminal inputted with a low level, and configured to connect the first terminal and the second terminal when the logic level is in a first state, in order to turn on the electronic device, and to disconnect the first terminal from the second terminal when the logic level is in a second state, in order to turn off the electronic device.2. The switch control device for electronic device according to claim 1 , wherein the high level output unit is ...
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