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:
May. 28, 2002
Filed:
Oct. 18, 1999
Applicant:
Inventors:
Mitsutoshi Hasegawa, Yokohama, JP;
Ihachiro Gofuku, Chigasaki, JP;
Yasuhiro Hamamoto, Yokohama, JP;
Kazuya Shigeoka, Yokohama, JP;
Yutaka Arai, Atsugi, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 2/946 ;
U.S. Cl.
CPC ...
H01J 2/946 ;
Abstract
An image display apparatus is provided with an external housing constituted by members including first and second substrates positioned with a gap therebetween, an electron source positioned on the first substrate in the external housing, and a fluorescent film and an accelerating electrode provided on the second substrate. A first getter is positioned in the image display area in the external housing. And a second getter is so provided as to be insulated from the electron source and the accelerating electrode and as to surround the first getter.