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:
Oct. 29, 1991
Filed:
May. 23, 1990
Applicant:
Inventors:
Marc Turpin, Bures sur Yvette, FR;
Philippe Refregier, Palaiseau, FR;
Assignee:
Thomson-CSF, Puteaux, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B / ;
U.S. Cl.
CPC ...
359156 ; 25022717 ; 25022719 ; 385 15 ;
Abstract
A reading device of interferometric or polarimetric sensors including a main fiber on which a number of couplers equal to the number of sensors are placed, each coupler connected to a secondary compensation fiber, followed by a polarizer and a detector, thus constituting n elementary polarimeters.