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. 06, 2002
Filed:
May. 11, 2001
Applicant:
Inventors:
Mark Thomas, Petaluma, CA (US);
Michael Munroe, Petaluma, CA (US);
Assignee:
Mahi Networks, Petaluma, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
G02B 2/710 ; G02B 6/26 ; H04J 1/402 ;
U.S. Cl.
CPC ...
G02B 2/710 ; G02B 6/26 ; H04J 1/402 ;
Abstract
Methods and apparatus are contemplated for dropping and adding a user-chosen wavelength sub-band in a band of wavelengths. Methods and apparatus are contemplated for separating and dropping individual wavelengths from a wavelength sub-band, and adding the individual wavelengths back to the wavelength sub-band. An OADM is contemplated that combines a wide-band OADM stage and a narrow-band OADM stage.