Identification of transmission characteristic

Details Identification of transmission characteristic Identification of transmission characteristic

1991-11-27

1994-10-04

Pascal, Leslie

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359110, 359161, 359140, 356 731, H04B 1012, H04B 1008

Patent

active

053531477

ABSTRACT:
An apparatus to determine characteristics of an optical communication path by utilizing electrical devices in an electrical path in parallel with the optical communication path. Each electrical device is physically located with a passive or active optical device and specifies the attenuation and delay of the optical device. A receiver measures the electrical qualities of each electrical device in the electrical path which is parallel to the optical path from the optical transmitter. The electrical measurements allow the receiver to automatically adjust its optical receiver to the attenuation and delay introduced by the optical devices in the optical path.

REFERENCES:
patent: 4751510 (1988-06-01), de Saint Michel
patent: 4994675 (1991-02-01), Levin
patent: 5046807 (1991-09-01), Unitt
patent: 5066139 (1991-11-01), Soderberg
patent: 5099349 (1992-03-01), Yoshida

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