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:
Mar. 01, 2011
Filed:
May. 19, 2006
Naosato Taniguchi, Saitama, JP;
Naosato Taniguchi, Saitama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
At least one exemplary embodiment is directed to an image display apparatus which displays an image on a surface to be scanned and includes a light source configured to emit a light beam modulated on the basis of image information, a scanner configured to scan the surface to be scanned with the light beam emitted from the light source, a light receiver configured to receive the light beam that is incident upon a particular area of the surface to be scanned when the surface to be scanned is scanned with the light beam, a first determiner configured to determine whether or not an output signal from the light receiver are output at a predetermined time interval, and a controller configured to control driving of the light source on the basis of a determination signal from the determiner.