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. 04, 1996
Filed:
Aug. 31, 1994
Applicant:
Inventors:
Glenn D Bergland, Berkeley Heights, NJ (US);
Edmond J Murphy, Bethlehem, PA (US);
Walter M Pitio, Old Bridge, NJ (US);
Assignee:
AT&T Corp., Murray Hill, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ;
U.S. Cl.
CPC ...
385 17 ; 359117 ;
Abstract
A hybrid optical switching-fabric architecture, for implementation via Y-branch switching elements, comprises an 8.times.8 array (100) of eighty Y-branch switching elements (110) configured as a Benes outer layer (105) consisting of two columns (105a, 105b) of four 2.times.2 networks (103) and an active-splitter/active-combiner inner layer (106) consisting of one column of two 4.times.4 active-splitter/active-combiner networks (104).