Synchronous optical digital transmission system and method

Details Synchronous optical digital transmission system and method Synchronous optical digital transmission system and method

1993-04-19

1995-10-17

Raevis, Robert

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359158, 375356, 3701001, H04L 700

Patent

active

054596076

ABSTRACT:
A synchronous optical digital transmission system comprises a local interface unit having a phase locked loop circuit that senses and adjusts the phase of the clock signals arriving from the remote unit to match the phase of the principal or local clock so that arriving data bit streams can be directly applied to the local system for further processing. The system is also designed to transmit and receive high speed and low speed data over a single fiber operating in a diplex mode without adverse crosstalk effects by employing non-standard line coding techniques.

REFERENCES:
patent: 4847831 (1989-07-01), Spiesman et al.
patent: 4912706 (1990-03-01), Eisenberg et al.
patent: 5052028 (1991-09-01), Zwack
patent: 5062124 (1991-10-01), Hayashi et al.
patent: 5241543 (1993-08-01), Amada et al.

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