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Title:
TOUCHPAD BACK OF TOUCH SCREEN DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/127210
Kind Code:
A1
Abstract:
Provided is a quick positioning apparatus; the back of the touchpad can, according to the relative positional relationship of touch points, perform quick positioning according to the same scale in the operating area of a target device.

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Inventors:
LI QINGYUAN (CN)
Application Number:
PCT/CN2017/119372
Publication Date:
July 04, 2019
Filing Date:
December 28, 2017
Export Citation:
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Assignee:
LI QINGYUAN (CN)
International Classes:
G06F3/041
Foreign References:
CN105955539A2016-09-21
CN101110007A2008-01-23
CN104661454A2015-05-27
CN102830821A2012-12-19
CN203028380U2013-07-03
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