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:
Aug. 06, 2002
Filed:
Aug. 04, 2000
Applicant:
Inventor:
Hiroyuki Tanaka, Yokohama, JP;
Assignee:
Nix Company Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09B 2/328 ; G09B 2/500 ; G09B 2/702 ;
U.S. Cl.
CPC ...
G09B 2/328 ; G09B 2/500 ; G09B 2/702 ;
Abstract
A developed film is illuminated to project its image onto a rear projection screen. A transparent case with a clear liquid filled therein is arranged, and the film is accommodated in the case. A writable transparent or translucent sheet is arranged over a front side of the rear projection screen.