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. 02, 2004
Filed:
Oct. 04, 2002
Applicant:
Inventors:
Hideaki Mitsutake, Yokohama, JP;
Hiroshi Takagi, Yokohama, JP;
Yoichi Ohsato, Yokohama, JP;
Noriaki Ohguri, Zama, JP;
Masahiro Fushimi, Zama, JP;
Kazuo Kuroda, Atsugi, JP;
Yoshimasa Okamura, Odawara, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H07J 1/62 ;
U.S. Cl.
CPC ...
H07J 1/62 ;
Abstract
The image forming apparatus comprises an electron source having a substrate on which a plurality of electron emitting devices are arranged, a face plate provided with fluorescent substances for emitting light of different colors and serving to form a color image upon irradiation of electrons by the electron emitting devices. Rectangular spacers are arrange between the substrate and the face plate and are fixed to the face plate and contacted to the substrate via soft members.