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:
Oct. 10, 2006
Filed:
Oct. 31, 2003
Naruhide Kitada, Fujimi-cho, JP;
Mikio Aoki, Suwa, JP;
Naruhide Kitada, Fujimi-cho, JP;
Mikio Aoki, Suwa, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
The present invention provides a monitor system for a projection apparatus which system is suitable for detecting errors in a display on a projection screen. A projection apparatuscomprises a projection sectionthat projects an image on a screen, an image pickup elementinto which the actual projected image projected by the projection sectionis loaded, an error detection sectionthat detects errors in the projection sectionon the basis of the actual projected image loaded into the image pickup element, and a notification sectionthat carries out a predetermined notification when the error detection sectiondetects an error. The error detection sectiondetects errors in the projection sectionon the basis of an original projected image to be projected by the projection sectionand an actual projected image loaded into the image pickup element