Title:
座標位置検出方法及び検出装置
Document Type and Number:
Japanese Patent JP4286698
Kind Code:
B2
Abstract:
It is an object of the present invention to perform a coordinate position detection not involving detection miss, even if a drawing process frequently involves detection interruptions on a display surface. A method of the invention comprises: performing a scanning in a first scanning area corresponding to the width of the display surface at the time of an initial detection of a shading object; performing, when continuing the detection of the shading object, a scanning in a second scanning area whose scanning region is an area near the latest detection position; performing, after an interruption in the detection of the shading object, a scanning in a third scanning area which is broader than the second scanning area but narrower than the first scanning area, within a predetermined time period and with the detection position of a continued detection serving as reference.
Inventors:
Haruo Watari
Application Number:
JP2004100131A
Publication Date:
July 01, 2009
Filing Date:
March 30, 2004
Export Citation:
Assignee:
Pioneer Corporation
International Classes:
G06F3/042; G06F3/03; G06F3/041; H01J40/14
Domestic Patent References:
| JP3054616A | ||||
| JP7281813A | ||||
| JP5233137A | ||||
| JP59194276A |
Attorney, Agent or Firm:
Nobujun Kobashi
Ritsumasa Kobashi
Ritsumasa Kobashi