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:
Aug. 01, 1978
Filed:
May. 07, 1976
Applicant:
Inventors:
Bernard Desormiere, Paris, FR;
Erich Spitz, Paris, FR;
Assignee:
Thomson-CSF, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
3501 / ; 350151 ; 350355 ;
Abstract
The invention relates to switches which enable connections to be optically established between at least one incoming electrical circuit and one of several outgoing electrical circuits. It comprises associating at least one electrical light source, a thin magnetic layer forming a diffraction network and photoelectric receivers, the thin layer enabling the light beam issuing from the source to be directed onto the receivers selected.