Title:
USB POWER-SAVING KEYBOARD
Document Type and Number:
WIPO Patent Application WO/2017/132915
Kind Code:
A1
Abstract:
Provided is a USB power-saving keyboard, belonging to the technical field of computer peripherals and comprising a keyboard main body (1); said keyboard main body (1) is connected to a connection cable (4) used for connecting to a mobile device; the keyboard main body (1) is internally provided with a battery (2) capable of charging the mobile device and being charged by means of the mobile device; the keyboard main body (1) is also provided with a charging interface used for charging said battery (2). when the mobile device is not externally connected to a power source and the supply of the battery of the mobile device is inadequate, the battery (2) in the keyboard automatically supplies power to the mobile device; the battery (2) of the keyboard can connect directly to an external power supply by means of a USB data cable, solving the problem of the keyboard consuming power when in standby, while also providing sufficient electric power when the user is using the mobile device outdoors, so as to extend the time that the mobile device may be used without a connection to an external power source.
Inventors:
SUN HUA (CN)
XU SHAOHANG (CN)
CHEUNG TATTUNG (CN)
XU SHAOHANG (CN)
CHEUNG TATTUNG (CN)
Application Number:
PCT/CN2016/073399
Publication Date:
August 10, 2017
Filing Date:
February 04, 2016
Export Citation:
Assignee:
SUN HUA (CN)
XU SHAOHANG (CN)
XU SHAOHANG (CN)
International Classes:
G06F3/02
Foreign References:
| CN201993708U | 2011-09-28 | |||
| CN2565078Y | 2003-08-06 | |||
| CN201926973U | 2011-08-10 | |||
| CN203933124U | 2014-11-05 | |||
| CN202486705U | 2012-10-10 | |||
| JP2013084083A | 2013-05-09 | |||
| US7327560B1 | 2008-02-05 |
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