Optical time-division switching system employing optical bistabl

Details Optical time-division switching system employing optical bistabl Optical time-division switching system employing optical bistabl

1983-11-29

1986-08-26

Orsino, Jr., Joseph A.

Multiplex communications

Wide area network

Packet switching

350 9614, H04B 900, H04J 300

Patent

active

046086820

ABSTRACT:
In an optical time-division switching system, time-division multiplexed calling and called station signals are arranged in incoming time slots and applied through an incoming common optical medium to a first optical switching circuit that switches the signals to optical bistable devices in which the signals are stored as binary 1's or 0's. A second optical switching circuit is coupled to the bistable devices for reading the stored calling station signal in the time slot of the called station and reading the stored called station signal in the time slot of the calling station to rearrange the signals in outgoing time slots. The signals in the outgoing time slots are applied through an outgoing common optical medium to a time-division demultiplexer which sequentially distributes the signals to the calling and called stations.

REFERENCES:
patent: 3604936 (1971-09-01), Kompfner
patent: 3849604 (1974-11-01), Benes et al.
patent: 4323984 (1982-04-01), Ishihara et al.
patent: 4467471 (1984-08-01), Troost
patent: 4483004 (1984-11-01), Inaba et al.
Cross, P. S. et al., "Optically Controlled Two Channel Integrated-Optical Switch", IEEE Journal of Quantum Electronics, vol. QE-14, No. 8, Aug. 1978, pp. 577-580.

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