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:
Jan. 22, 1991
Filed:
Aug. 28, 1989
Applicant:
Inventors:
Jacques Auge, Saint Cheron, FR;
Pascale Beaufume, Orsay, FR;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350 9633 ;
Abstract
The core (2) of a monomode fiber is surrounded by a slightly monomode annular waveguide (6) guiding masking light having the same wavelength as the light conveyed by the core. The invention is particularly suitable for telecommunications.