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. 23, 2004
Filed:
Sep. 18, 2001
Applicant:
Inventors:
Yoshihisa Yonezawa, Chiba, JP;
Yukio Ogawa, Chiba, JP;
Kazuyoshi Ishikawa, Chiba, JP;
Katsutoshi Kogo, Chiba, JP;
Satoshi Yoshimura, Chiba, JP;
Assignee:
Futaba Denshi Kogyo Kabushiki Kaisha, Chiba, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 1/62 ; H01J 1/88 ;
U.S. Cl.
CPC ...
H01J 1/62 ; H01J 1/88 ;
Abstract
In a display device including a cathode filament containing a coiled portion and a linear portion thereof and a power feeding member, an end of the coiled portion is fixed to either a substrate made of an insulating material or an insulated support, the power feeding member being installed to contact with the linear portion of the cathode filament.