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. 29, 1980
Filed:
Mar. 31, 1978
Applicant:
Inventors:
Craig P Stephens, Carlsbad, CA (US);
Andrew G Toth, Ramona, CA (US);
Assignee:
Hughes Aircraft Company, Los Angeles, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02F / ;
U.S. Cl.
CPC ...
350345 ; 350338 ; 350211 ; 350292 ; 362346 ; 40502 ;
Abstract
Light is directed at a liquid crystal display with the aid of a Fresnel mirror. With the liquid crystal display upright, the mirror is placed in front of, and slightly below it, so that light from overhead is reflected at the display by the mirror's facets.
Quick Actions:
Stephens, Craig. (1980). Reflective mode, dynamic scattering liquid crystal display system having (U.S. Patent No. 4185895). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4185895
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile