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:
Feb. 08, 2005
Filed:
Sep. 27, 2002
Applicants:
John Mcnicol, Ottawa, CA;
Babu O. Narayanan, San Jose, CA (US);
Ornan A. Gerstel, Los Altos, CA (US);
Inventors:
John McNicol, Ottawa, CA;
Babu O. Narayanan, San Jose, CA (US);
Ornan A. Gerstel, Los Altos, CA (US);
Assignee:
Nortel Networks Limited, Quebec, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B006/26 ; G02B006/42 ;
U.S. Cl.
CPC ...
Abstract
A photonic switching apparatus includes primary photonic switching logic to perform photonic pass-through and add/drop functions and secondary photonic switching logic to reduce the effective number of add/drop interfaces and/or switch optical signal channels to and from clients or client adaptation devices.