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:
Nov. 29, 1983
Filed:
Oct. 02, 1980
Applicant:
Inventors:
Katsuya Otani, Kamakura, JP;
Ryo Suzuki, Kamakura, JP;
Keiji Watanabe, Kamakura, JP;
Michihiro Tsuchihashi, Kamakura, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01J / ; H01J / ; H01J / ;
U.S. Cl.
CPC ...
313573 ; 313594 ; 313634 ; 313642 ;
Abstract
A metal vapor discharge lamp including an arc tube including an outer bulb and having at least an oxide crystal incorporated in the outer bulb, with a starting aid equipped on the outer circumference of said arc tube; at least one end of said arc tube having a heat insulator to keep the end warm, and a rare gas enclosed at 100 Torr or above together with at least sodium and mercury in said arc tube.