Coherence multiplexed optical position transducer

Details Coherence multiplexed optical position transducer Coherence multiplexed optical position transducer

1986-10-15

1988-05-31

Orsino, Jr., Joseph A.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

73655, 324 96, 455612, H04B 900

Patent

active

047486864

ABSTRACT:
An optical fiber transducer system employs a single optical fiber that carries an optical carrier signal to a remote transducer location and also carries a multiplexed multichannel signal, each channel having a characteristic delay and a binary amplitude value, to a receiving unit, where each channel of a set of reference signals having a corresponding characteristic delay interferes with the multiplexed signal to separate a channel signal that is envelope detected.

REFERENCES:
patent: 4545253 (1985-10-01), Avicola
patent: 4613752 (1986-09-01), Davis
Brooks et al.-"Coherence Multipleying"-Jour. of Lightwave Tech., vol. LT3, No. 5, Oct. 1985, pp. 1062-1071.

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