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:
Dec. 07, 1976
Filed:
Jan. 28, 1975
Applicant:
Inventors:
Joseph Borel, Echirolles, FR;
Bruno Dargent, Grenoble, FR;
Guy Labrunie, Seyssinet, FR;
Jacques Robert, Saint-Engreve, FR;
Assignee:
Commissariat a l'Energie Atomique, Paris, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08B / ; G02F / ;
U.S. Cl.
CPC ...
3501 / ; 340336 ; 3403 / ;
Abstract
A method for controlling an optical characteristic of a material which is intercalated between two electrodes driven by periodic excitation signals having a zero mean value consists in applying to the electrodes signals having the same time-duration and the same recurrence frequency but in which one signal has a phase shift .phi. with respect to the other, the phase shift being modified in order to adjust the optical characteristic.