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:
Jul. 20, 1982
Filed:
Mar. 12, 1979
Applicant:
Inventors:
Michihiro Tsuchihashi, Kamakura, JP;
Masato Saito, Kamakura, JP;
Keiichi Baba, Kamakura, JP;
Yusaku Matsushima, Kamakura, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
315283 ; 315246 ; 315D / ;
Abstract
A lighting equipment comprises a high pressure metal vapor discharge lamp having a lamp voltage of 145 to 180 V actuated by a lag type ballast supplied with a voltage of lower than 220 V or a high pressure metal vapor discharge lamp having a lamp voltage of 150 to 200 V actuated by a lag type ballast supplied with a voltage of higher than 220 V whereby a consumed power is reduced in comparison with the conventional lighting device.