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:
Oct. 12, 1976
Filed:
Oct. 15, 1975
Applicant:
Inventor:
Takao Ishii, Himeji, JA;
Assignee:
Ushio Electric Inc., Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V / ;
U.S. Cl.
CPC ...
240 47 ; 240 / ; 355 67 ;
Abstract
A light source device including an elongated box-shaped house, a gutter-shaped reflex mirror having a slit at its bottom and an elongated tubular light source positioned in the vicinity of said slit to effectively cool the bulb wall portion of said light source on the downstream side of a cooling flow generated by the cooling means disposed on the back wall of said house.