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:
Sep. 24, 1991
Filed:
Mar. 22, 1990
Applicant:
Inventors:
Assignee:
Pioneer Electronic Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ; H04N / ; H04N / ;
U.S. Cl.
CPC ...
358231 ; 358201 ; 358206 ;
Abstract
An apparatus has a light modulator for emitting a first-order diffracted beam to scan a screen two-dimensionally and a zero-order diffracted beam which is two-dimensionally deflected and projected onto the screen. The zero-order diffracted beam is effectively utilized, and the projection-type display apparatus is capable of displaying a new image pattern in which a moving image and a character drawn with a single stroke are displayed in an overlapping manner.
Matui, Fumio. (1991). Projection-type display apparatus utilizing both zero-order and (U.S. Patent No. 5051834). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5051834
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