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:
Jun. 30, 1992
Filed:
Jul. 25, 1990
Applicant:
Inventor:
Kazumi Masaki, Osaka, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
315291 ; 3152 / ; 315205 ;
Abstract
Disclosed is a novel lighting device comprising a power source capable of supplying to an argon lamp a voltage exceeding its rating, and an argon lamp connected with an output terminal of said power source. Argon lamp emits a natural light when lighted by energizing a voltage exceeding the rating. Such a light has superior color rendering properties, as well as a color temperature of about 2,900.degree. K. or higher which is very close to that of that of early morning sunlight. Thus, the lighting device is advantageously used in luminares in general.