Electronic device for activating and deactivating wireless communication by a power supply switch configuration
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United States of America Patent
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Apr 4, 2017
Issued Date -
N/A
app pub date -
Nov 25, 2014
filing date -
Sep 9, 2014
priority date (Note) -
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Abstract
An electronic device includes a wireless module, a power supply, and a switch module. The wireless module is adapted to receive or send a wireless signal. The power supply is adapted to supply power for the wireless module. The switch module is connected between the wireless module and the power supply, and the switch module includes a first switch and a transistor. A collector terminal of the transistor is coupled to the power supply, the first switch is coupled to the collector terminal and the base terminal of the transistor, and an emitter terminal of the transistor is coupled to the wireless module. The transistor is switched on when the first switch is switched on, and the power supply supplies power for the wireless module. The transistor is switched off when the first switch is switched off, and the power supply is disconnected from the wireless module.
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