Title:
SENSING APPARATUS FOR TOUCH CHECKING
Document Type and Number:
WIPO Patent Application WO/2009/152715
Kind Code:
A1
Abstract:
A sensing apparatus for touch checking, includes: at least an image capturing device, at least a viewfinder and an image processing circuit. At least one image capturing device is used to acquire an image of a touch object in the checked screen, and an image of the virtual image for the touch object in at least a viewfinder. The image processing circuit can use the image of the touch object acquired by the image capturing device and the image of the virtual image for the touch object in a viewfinder to calculate a position of the touch object.
Inventors:
YE XINLIN (CN)
LIU JIANJUN (CN)
LIU XINBIN (CN)
LIU JIANJUN (CN)
LIU XINBIN (CN)
Application Number:
PCT/CN2009/071848
Publication Date:
December 23, 2009
Filing Date:
May 19, 2009
Export Citation:
Assignee:
BEIJING IRTOUCH SYSTEMS CO LTD (CN)
YE XINLIN (CN)
LIU JIANJUN (CN)
LIU XINBIN (CN)
YE XINLIN (CN)
LIU JIANJUN (CN)
LIU XINBIN (CN)
International Classes:
H04W4/00
Foreign References:
| CN101019096A | 2007-08-15 | |||
| CN101145091A | 2008-03-19 |
Attorney, Agent or Firm:
ZHONGZI LAW OFFICE (26 Pinganli XidajieXicheng District, Beijing 4, CN)
Download PDF: