Title:
タッチパネル装置および指示物判別方法
Document Type and Number:
Japanese Patent JP4897983
Kind Code:
B1
Abstract:
A touch screen device includes a panel body having electrodes arranged in a grid pattern; a sensitivity calculator configured to calculate a sensitivity for each electrode intersection based on an amount of change in a signal output from the electrodes in response to a touch operation; a touch position detector configured to detect the touch position based on the sensitivity obtained by the sensitivity calculator; and a pointing device determiner configured to correct the sensitivity obtained by the sensitivity calculator, based on the touch position obtained by the touch position detector, and to determine whether a pointing device performing the touch operation is a pen or a finger, based on the corrected sensitivity.
Inventors:
Taichi Yamada
Hirakawa Masazo
Tatsuhito Ueno
Yasunobu Hayashida
Yasuhiro Tasaka
Hirakawa Masazo
Tatsuhito Ueno
Yasunobu Hayashida
Yasuhiro Tasaka
Application Number:
JP2011111105A
Publication Date:
March 14, 2012
Filing Date:
May 18, 2011
Export Citation:
Assignee:
Panasonic Corporation
International Classes:
G06F3/041; G06F3/03; G06F3/044
Domestic Patent References:
| JP2010061351A | 2010-03-18 | |||
| JPH0460715A | 1992-02-26 | |||
| JPH07129321A | 1995-05-19 |
Foreign References:
| US20080284752A1 | 2008-11-20 |
Attorney, Agent or Firm:
Patent business corporation Oshima patent office
Yoichi Oshima
Yoichi Oshima