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. 26, 2004
Filed:
Oct. 04, 2002
Yoko Shimomura, Nara, JP;
Koji Miyazaki, Osaka, JP;
Satoshi Kominami, Osaka, JP;
Kohei Enchi, Osaka, JP;
Hiroyuki Uchiyama, Hyogo, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A self-ballasted electrodeless discharge lamp of the invention is provided with a discharge vessel filled with discharge gas, the discharge vessel having a cavity portion, a coil inserted into the cavity portion of the discharge vessel, a ballast circuit for supplying high frequency power to the coil, and a lamp base that is electrically connected to the ballast circuit, wherein the discharge vessel, the coil, the ballast circuit, and the lamp base are configured as a single unit, and a reflective tape for reflecting light that is radiated from the discharge gas and emitted from inside the discharge vessel to its cavity portion side is wound around the coil.