Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
TOUCH POSITION DETECTION METHOD, TOUCH PANEL CONTROLLER, AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/085997
Kind Code:
A1
Abstract:
According to the present invention, capacity distribution on a touch panel is detected with a simple configuration. Drive sense lines (DS 0 to DS (M-1)) are driven at a first electric potential on the basis of a code sequence. Then, respective drive sense switch elements (DST 22 and DST 22') corresponding to a touched area (22) are turned off, and a linear sum signal based on charges of each detecting electrode (E) is read.

Inventors:
HAMAGUCHI MUTSUMI
MIYAMOTO MASAYUKI
SHINJO SHINJI
Application Number:
PCT/JP2016/076685
Publication Date:
May 26, 2017
Filing Date:
September 09, 2016
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SHARP KK (JP)
International Classes:
G06F3/041; G06F3/044
Foreign References:
JP2015064899A2015-04-09
JP2013131080A2013-07-04
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
Download PDF: