Telecommunication system

Details Telecommunication system Telecommunication system

1975-01-21

1977-01-11

Richardson, Robert L.

Radiant energy

Ionic separation or analysis

Static field-type ion path-bending selecting means

332 751, 350 96WG, 350161W, H04B 900

Patent

active

040028968

ABSTRACT:
In a telecommunications system employing modulated optical signals, a highway is formed from optical fibres and a source of coherent light or other electromagnetic radiation of an adjacent frequency band is connected to one end of the highway. One or more modulators are connected to the highway at intermediate positions along its length, the or each modulator being arranged to periodically vary the optical path length of the highway. A demodulator is connected to the other end of the highway.

REFERENCES:
patent: 3393381 (1968-07-01), Thomas et al.
patent: 3573463 (1971-04-01), Goodwin et al.
patent: 3625589 (1971-12-01), Snitzer
patent: 3645603 (1972-02-01), Smith
patent: 3781092 (1973-12-01), Sussman et al.
patent: 3827000 (1974-07-01), Matsushita et al.
patent: 3920982 (1975-11-01), Harris
GTE Lenkurt Demodulator -- "Optical Transmission" -- Feb., 1972--P3, Regarding Light Sources.

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