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. 23, 2006
Filed:
Oct. 03, 2002
Applicants:
Akira Tokai, Kawasaki, JP;
Hitoshi Yamada, Kawasaki, JP;
Manabu Ishimoto, Kawasaki, JP;
Tsutae Shinoda, Kawasaki, JP;
Inventors:
Akira Tokai, Kawasaki, JP;
Hitoshi Yamada, Kawasaki, JP;
Manabu Ishimoto, Kawasaki, JP;
Tsutae Shinoda, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 17/49 (2006.01); H01J 61/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
A gas discharge tube has a phosphor layer formed and a discharge gas enclosed within an elongated tube which is to serve as the gas discharge tube. The gas discharge tube includes a light-emitting section and a cleaning section for cleaning the discharge gas. The cleaning section is connected to the light-emitting section.