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:
Dec. 22, 1998
Filed:
Sep. 12, 1996
Applicant:
Inventors:
Takayuki Uchiyama, Yokohama, JP;
Atsushi Kawahara, Yokohama, JP;
Assignee:
Nikon Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
353 94 ; 353 82 ;
Abstract
A projective display device can function as a video projector and a slide projector. The device is compact, easy to use and simple in operation. A video projector that projects video information can be used as a slide projector by utilizing a reflection type spatial light modulator in a reflected state when a photographic film is held in the optical system of the projector. Alternatively, a moveable mirror can be used to switch from a video projector to a slide projector.