Patents Assigned to Bedford Tellabs, Inc. - Justia Patents Search

Patents Assigned to Bedford Tellabs, Inc.

Wavelength division multiplexed (WDM) ring passive optical network (PON) with route protection for replacement of splitter based passive optical networks

Patent number: 7212541

Abstract: A method and apparatus for low cost upgrading on demand of an optical fiber communication system without installing additional optical fiber and minimal installation of optical circuitry at destination and distribution terminals. The upgraded systems comprise an optical data loop of a plurality of destination terminals and a single intermediate terminal.

Type: Grant

Filed: March 23, 2005

Date of Patent: May 1, 2007

Assignee: Bedford Tellabs, Inc.

Inventors: George H. Buabbud, Muneer Zuhdi, Ulrich Trick, Thomas Volk, Debra D. Wawro