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:
Sep. 23, 2008
Filed:
Oct. 20, 2005
Applicants:
Hirotomo Taniguchi, Kanagawa-ken, JP;
Hisanobu Azuma, Kanagawa-ken, JP;
Inventors:
Hirotomo Taniguchi, Kanagawa-ken, JP;
Hisanobu Azuma, Kanagawa-ken, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 29/46 (2006.01);
U.S. Cl.
CPC ...
Abstract
In an image display apparatus, by providing an insulating member which covers an electroconductive member existing in a region out of an electron beam emitting region, an unnecessary discharge from the electroconductive member is suppressed and a damage due to the discharge is prevented, thereby realizing a long life of the apparatus.