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:
Nov. 04, 1997
Filed:
May. 23, 1996
Applicant:
Inventors:
Assignee:
Minolta Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
353 94 ; 353 82 ;
Abstract
A projecting optical device which simultaneously projects one object onto two or more different screens has a first screen, a second screen, a first projecting optical system which projects the object onto the first screen, and a second projecting optical system which projects the object onto the second screen and does not share an optical element with the first projecting optical system. A first base line connecting the center of the object to the center of the image projected on the first screen by the first optical system and a second base line connecting the center of the object to the center of the image projected on the second screen by the second optical system are not parallel to each other.