Switch circuit and computing device having same
AssigneesHon Hai Precision Industry Co., Ltd., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.
InventorsSONG MA, WU ZHOU
Life of this patent
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Abstract
A computing device includes a display, a universal serial bus (USB) power source having a voltage output port to output a voltage to power input/output (I/O) devices connected to USB interfaces of the computing device, and a switch circuit connected between the display and the USB power source. The switch circuit can synchronously turn off the display and control the USB power source to stop outputting the voltage, and can synchronously turn on the display and control the USB power source to output the voltage.
Claims20
A switch circuit of a computing device, the computing device comprising a universal serial bus (USB) power source and a display, the USB power source comprising a voltage output port to output a voltage to power I/O devices connected to USB interfaces of the computing device, wherein:
- the switch circuit is electrically connected between the display and the USB power source, the switch circuit is configured to synchronously turn off the display and control the USB power source to stop outputting the voltage, and to synchronously turn on the display and control the USB power source to output the voltage.
A computing device, comprising:
- a display;
- a universal serial bus (USB) power source comprising a voltage output port to output a voltage to power I/O devices connected to USB interfaces of the computing device;
- and
- a switch circuit connected between the display and the USB power source, wherein the switch circuit is configured to synchronously turn off the display and control the USB power source to stop outputting the voltage, and to synchronously turn on the display and control the USB power source to output the voltage.
Dependencies are inferred from the claim text.