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:
Feb. 12, 1985
Filed:
Jun. 09, 1982
Applicant:
Inventors:
Serge Le Berre, Paris, FR;
Michel Hareng, Paris, FR;
Assignee:
Thomson-CSF, Paris, FR;
Primary Examiner:
Int. Cl.
CPC ...
G09G / ;
U.S. Cl.
CPC ...
340713 ; 340784 ; 340783 ; 350333 ;
Abstract
The present invention relates to cells using a smectic phase liquid crystal film and provides in the same cell two addressing modes: optical addressing by means of a laser beam and matrix addressing by means of heating electrodes.