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:
Apr. 10, 2001
Filed:
Nov. 17, 1999
Applicant:
Inventors:
David B. Duncan, Auburn, CA (US);
Gregory J. Leeson, Colfax, CA (US);
Judith G. Duncan, Auburn, CA (US);
Assignee:
Duncan Technologies, Inc., Auburn, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 2/714 ;
U.S. Cl.
CPC ...
G02B 2/714 ;
Abstract
Apparatus for forming multiple subimages including an image forming lens, a color separating prism, subimage receptors for receiving subimages from the prism, and lenses compensating for spherical aberrations caused by the prism and controlling the size of the subimages reaching the subimage receptors. Other features include structure for dissipating heat from the subimage receptors and from circuit boards associated with the subimage receptors.