(57) ABSTRACT A system and method are disclosed in which an optical net work may
include an optical-electrical converter module within an OEO (Optical Electrical Optical) …

The present invention is directed to a liquid cleaning and/or cleansing composition
comprising abrasive cleaning particles, wherein said abrasive cleaning particles have a …

Optical switches are provided in an optical transmission system having at least two optical
nodes in optical communication over a primary optical path and a backup optical path. An …

Methods and apparatus for enabling a protected circuit path to be created efficiently are
disclosed. In accordance with one embodiment of the present invention, a method for …

A self-healing ring-based passive optical network (PON) including an optical fiber ring, an
optical line termination (OLT), and a plurality of optical network units (ONUs) is provided …

56 References Cited-0 (56) A method of protection Switching between first and second US
PATENT DOCUMENTS transceivers where dispersion compensation is effected elec …

Optical Switches are provided in an optical transmission System having at least two optical
nodes in optical commu nication over a primary optical path and a backup optical path. An …

Optical switches are provided in an optical transmission system having at least two optical
nodes in optical communication over a primary optical path and a backup optical path. An …

An optical network and method of protection switching between first and second transceivers
where dispersion compensation is effected electrically in the transmitters. The method …

A method and an apparatus to provide optical equipment protection have been disclosed. In
one embodiment, the method includes sending a first optical signal from an optical …