Title:
TOUCH PANEL CONTROLLER AND ELECTRONIC DEVICE USING SAME
Document Type and Number:
WIPO Patent Application WO/2014/084089
Kind Code:
A1
Abstract:
A touch panel controller is provided with a driver (5a) which, at a first time, drives signal lines (HL1-HLM) at the same driving value and outputs first linear sum signals based on the electric charges of capacitances from signal lines (VL1-VLM), and at a second time that is a driving timing subsequent to the first time, drives the signal lines (VL1-VLM) on the basis of a code sequence and outputs second linear sum signals from the first signal lines.
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Inventors:
HAMAGUCHI MUTSUMI
Application Number:
PCT/JP2013/081159
Publication Date:
June 05, 2014
Filing Date:
November 19, 2013
Export Citation:
Assignee:
SHARP KK (JP)
International Classes:
G06F3/041; G06F3/044; H03K17/96
Domestic Patent References:
| WO2009107415A1 | 2009-09-03 | |||
| WO2012141112A1 | 2012-10-18 | |||
| WO2011114900A1 | 2011-09-22 |
Foreign References:
| JP2010003048A | 2010-01-07 | |||
| JP2012168919A | 2012-09-06 | |||
| JP2011128982A | 2011-06-30 | |||
| JPH09222947A | 1997-08-26 | |||
| JP2013008318A | 2013-01-10 | |||
| JP2013092872A | 2013-05-16 |
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
Patent business corporation Hara [Kenzo] international patent firm (JP)
Patent business corporation Hara [Kenzo] international patent firm (JP)
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