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:
Mar. 18, 1980
Filed:
Mar. 29, 1978
Applicant:
Inventors:
Jacques Lewiner, Saint-Cloud, FR;
Gerard Dreyfus, Villebon sur Yvette, FR;
Didier Perino, Suresnes, FR;
Assignee:
Agence Nationale de Valorisation de la Recherche (ANVAR), Neuilly-sur-Seine, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B / ;
U.S. Cl.
CPC ...
340373 ; 3403782 ;
Abstract
The invention concerns a switching device using electrets. It comprises at least two electrodes and at least two electrets; control signals are applied between electrodes to cause a mobile element carrying an electret to pass from one rest position to the other. Application to electrical, pneumatic and optical switching.