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:
Jan. 07, 1992
Filed:
Mar. 20, 1990
Applicant:
Inventors:
Masaharu Baba, Yokohama, JP;
Yasuhiro Nieda, Yokohama, JP;
Akihiko Komatsuzaki, Yokohama, JP;
Takao Mizukami, Yokosuka, JP;
Assignee:
Toshiba Lighting and Technology Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21S / ; H01J / ;
U.S. Cl.
CPC ...
362263 ; 362223 ; 362260 ; 362216 ; 362256 ; 313 15 ; 315115 ;
Abstract
An illuminating apparatus including a casing having an open side, a light reflective surface formed on the interior of the casing, a light diffusive transmission member on the casing and covering the open side, a discharge lamp mounted in the casing underneath the light diffusive transmission member, a first heating element disposed between the discharge lamp and the light reflective surface and a second heating element disposed between the discharge lamp and the light diffusive transmission member.