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. 29, 2002
Filed:
May. 26, 2000
Applicant:
Inventors:
Kinya Ueda, Mobara, JP;
Yukihiko Shimizu, Mobara, JP;
Masao Saito, Mobara, JP;
Satoshi Yamaguchi, Mobara, JP;
Yoichi Kobori, Mobara, JP;
Hiroshi Yamaguchi, Mobara, JP;
Assignee:
Futaba Corporation, Mobara, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01K 1/62 ; H01K 6/304 ;
U.S. Cl.
CPC ...
H01K 1/62 ; H01K 6/304 ;
Abstract
A fluorescent luminous device which is capable of eliminating arrangement of independently controllable control electrodes and a power supply for applying a negative potential to the control electrodes. A plurality of anode chains and a plurality of filamentary cathodes are arranged in a manner to correspond to each other. A potential across the cathodes is changed over between a zero or negative potential and a positive potential to control the anode dots.