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:
Feb. 01, 2000
Filed:
Jan. 23, 1997
Applicant:
Inventors:
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
315248 ; 315344 ; 313493 ; 313624 ; 31323141 ;
Abstract
An electrodeless discharge lamp has an arc tube which seals at least rare gas and one of luminous metal and metal halide thereinto, an opening of the arc tube being vacuum-sealed with at least molten glass, and an sealing unit of the arc tube being placed outside a cavity which supplies excitation energy to make said electrodeless discharge lamp emit a light.