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. 11, 1977
Filed:
Nov. 04, 1975
Applicant:
Inventor:
John Nicholas Wilkinson, Duarte, CA (US);
Assignee:
Optical Radiation Corporation, Azusa, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V / ;
U.S. Cl.
CPC ...
362218 ; 240 / ;
Abstract
A high intensity lamphouse and cooling means for use with photographic slide projectors. The module has a protective glass face, and air inlet and a second air outlet on opposite diametrical points between the lamp and the glass face. Also included are an additional opening near the base of the lamp providing a second air path through the module along the rear side of a reflector and the length of the lamp.