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:
Jan. 17, 1995
Filed:
Jan. 11, 1993
Applicant:
Inventors:
Mitsuo Hata, Kanagawa, JP;
Shigeo Matsumoto, Kanagawa, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B / ; G03B / ;
U.S. Cl.
CPC ...
353 94 ; 359460 ;
Abstract
A number of units of projectors of a rear projection type are assembled together, and one screen commonly used for the assembled screen units is attached to front portions of the screen units. Assemblies, each having the above construction, are assembled in longitudinal and lateral directions to form a picture, so that a margin in the middle of the screen can be eliminated or the number of margins can be significantly reduced.