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:
May. 27, 1997
Filed:
May. 26, 1995
Applicant:
Inventors:
Assignee:
Northern Telecom Limited, Montreal, CA;
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
385 16 ; 385 17 ; 385 24 ;
Abstract
An ATM switch has an ATM switch core comprising an N.times.N optical cross-connect core and a set of N port cards, each including a selector. Associated with each port card is a satellite. Wavelength shift keyed signals that are wavelength division multiplexed are employed for routing ATM cells between the satellites via the core by way of optical fibres.