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Title:
TOUCH PANEL DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/059061
Kind Code:
A1
Abstract:
A touch panel device according to an embodiment of the present invention is provided with: a panel that has a contact surface for receiving a contact; a light-emitting unit that emits, to the panel, input light which is to be inputted to and transmitted through the panel; a light-receiving unit that detects output light including reflected light of evanescent light which has been generated, on the contact surface, from the input light; and a control unit that calculates and outputs a contact position on the basis of the output light detected by the light-receiving unit and the relationship between a pre-stored position on the contact surface and the output light.

Inventors:
SUZUKI MASAHIRO (JP)
UEDA TOMOAKI (JP)
Application Number:
PCT/JP2018/033779
Publication Date:
March 28, 2019
Filing Date:
September 12, 2018
Export Citation:
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Assignee:
KDDI CORP (JP)
International Classes:
G06F3/042; G06V10/145
Foreign References:
JP2017510928A2017-04-13
JP2010055349A2010-03-11
JP2011513828A2011-04-28
JP2017102851A2017-06-08
JP2015521313A2015-07-27
Attorney, Agent or Firm:
TAZAKI Akira et al. (JP)
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