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:
Jun. 01, 2004
Filed:
Dec. 12, 2001
Applicant:
Inventors:
Victor Il'ich Kopp, Flushing, NY (US);
Azriel Zelig Genack, New York, NY (US);
Assignee:
Chiral Photonics, Inc., Clifton, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/28 ; G02B 2/710 ; H04J 1/400 ;
U.S. Cl.
CPC ...
G02B 6/28 ; G02B 2/710 ; H04J 1/400 ;
Abstract
An add-drop filter, utilizing chiral elements, that enables a new signal to be added at a particular vacuum wavelength &lgr;′ to a fiber optic line carrying n signal channels over a band of wavelengths encompassing &lgr; . . . &lgr; , &lgr; , &lgr; . . . &lgr; , while an existing signal, &lgr; , is simultaneously dropped from the signal group.