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. 21, 1983
Filed:
Oct. 27, 1980
Applicant:
Inventor:
Edward H Phillips, Middletown, CA (US);
Assignee:
Optimetrix Corporation, Mountain View, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V / ; F21V / ;
U.S. Cl.
CPC ...
362308 ; 355 67 ; 362263 ; 362299 ; 362300 ; 362301 ; 362307 ;
Abstract
An illumination system having a light source disposed along a central axis of the system is provided with a conical reflector coaxially disposed about the light source for forming an annular virtual image of an arc of the light source. A toroidal lens is coaxially disposed about the central axis for forming a circular real image of the annular virtual image of the arc at the input port of a utilization device.