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:
Feb. 16, 2016
Filed:
Oct. 07, 2013
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Daisuke Takayanagi, Kawasaki, JP;
Teruki Kikkawa, Yokohama, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/34 (2006.01); G06F 3/14 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3406 (2013.01); G06F 3/1423 (2013.01); G09G 3/3426 (2013.01); G09G 2320/0233 (2013.01); G09G 2320/041 (2013.01); G09G 2320/064 (2013.01); G09G 2360/145 (2013.01);
Abstract
An image display apparatus according to the present invention includes: a light emitting unit configured to include a light source; a display unit configured to display an image on a screen by transmitting light irradiated from the light emitting unit; a detection unit configured to detect light from the light source; and a control unit configured to extend a lighting duration of the light source when the detection unit detects light in a case where the lighting duration of the light source is shorter than a predetermined time length.