The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 27, 2017
Filed:
Jul. 08, 2013
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Kiwamu Kobayashi, Kawasaki, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 3/042 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0428 (2013.01); G06F 3/0425 (2013.01);
Abstract
A touch detection method executed by a touch detection apparatus projects light that does not include a wavelength component of visible light onto a screen, has a sensitivity in a wavelength component of the light projected by the projecting, takes an image on the screen in a state where light is projected by the projecting, and performs detection pertaining to a touch, based on image data taken by the image-sensing.