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:
Sep. 28, 1993
Filed:
Jul. 29, 1991
Goro Hamagishi, Toyonaka, JP;
Keiichi Kanatani, Hirakata, JP;
Shunichi Kishimoto, Kaizuka, JP;
Katsumi Terada, Tsuzuki, JP;
Yasuo Funazo, Hirakata, JP;
Takashi Ikeda, Hirakata, JP;
Masahiro Sakata, Hirakata, JP;
Hiroyuki Yagi, Nishinomiya, JP;
Sanyo Electric Co., Ltd., Osaka, JP;
Abstract
A flat fluorescent lamp comprises a flat glass container formed by a front glass panel, a rear glass panel and glass frames, a phosphor coating formed along the inner surface of the front glass panel, an anode disposed in the vicinity of the phosphor coating, a plurality of linear cathodes arranged in parallel to the anode and supported by support members, and at least one mesh electrode disposed between the anode and the cathodes The intensity of light of the lamp is adjusted by applying a pulse voltage to the mesh electrode.