Optical processing system
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United States of America Patent
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-
Jan 30, 1996
Grant Date -
N/A
app pub date -
Jun 15, 1994
filing date -
Apr 9, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A telecommunications system comprising first and second nodes interconnected by a network transmission line. The first node comprises an optical data generator for producing an optical data signal at a first wavelength, an optical header generator for producing an optical control signal at a second wavelength, and means for multiplexing the data and control signals onto the transmission line. The second node comprises a switch and a controller responsive to signals at the second wavelength for controlling the routing of optical signals through the switch. A delay unit and associated control means are provided to ensure that sufficient delay occurs between the transmission start times of the control and data signals that the control signal completely overlaps the data signal at the second node.
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