Optical waveguides – With optical coupler – Switch
Patent
1991-09-03
1993-08-31
Healy, Brian
Optical waveguides
With optical coupler
Switch
385 24, 385 88, 385 89, 359118, 359128, 359133, 359154, 359188, 359189, G02B 628, G02F 100
Patent
active
052416100
ABSTRACT:
A fiber optics communications system and method are provided. The system includes a transmitter apparatus located at a first location and having a plurality of laser transmitters and a plurality of optical switches coupling optical signals from the laser transmitters to optical fibers. A receiver apparatus is located at a second location remote from the first location and includes a plurality of receivers and a plurality of optical switches coupling optical signals from the optical fibers to the optical receivers. A first control circuit controls the switches of the transmitter apparatus in accordance with conditions at the first and the second locations. A second control circuit controls the switches of the receiver apparatus in accordance with conditions at the first and second locations. The backing up of a plurality of transmitting lasers by a single back up laser and the backing up of a plurality of receivers by a single back up receiver are also described.
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Hanson Ronald J.
Labiche Michael J.
Lyons Gary W.
Healy Brian
Marvin William A.
Powers, III Frederick W.
Scientific-Atlanta, Inc.
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