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:
Oct. 13, 1987
Filed:
Sep. 08, 1986
Applicant:
Inventors:
Shohei Naemura, Tokyo, JP;
Keiichi Kubota, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355 / ; 355-5 ; 383122 ; 350330 ;
Abstract
In an improved image projector with liquid crystal light shutter, a layer of ferroelectric liquid crystals contained in a liquid crystal light shutter at which the light modulated linearly in accordance with image signals is produced is of the thickness of less than a helical pitch of molecules of the liquid crystals whereby a response time becomes as fast as, for instance, 0.18 ms and the time sharing operation can be performed in the liquid crystal light shutter.
Naemura, Shohei. (1987). Image projector with liquid crystal light shutter (U.S. Patent No. 4699498). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4699498
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile