Oscillators – Relaxation oscillators
Patent
1975-11-25
1979-01-30
Corbin, John K.
Oscillators
Relaxation oscillators
350 9616, 331 945C, G02B 514, H01S 300
Patent
active
041369297
ABSTRACT:
The ends of a length of optical fiber are coupled to each other to form a closed loop so that light wave may propagate freely through the looped optical fiber. At one or more portions of the looped path of light are provided the sections through which the loop is optically coupled to external equipments. A light pulse is injected through the sections into the loop fiber and a part of it is taken out through the sections each time it completes a cycle of travel through the loop fiber, so that a light pulse train with pulses equidistantly appearing on the time base can be obtained.
REFERENCES:
patent: 3558213 (1971-01-01), Marcatili
patent: 3589794 (1971-06-01), Marcatili
patent: 3760297 (1973-09-01), Thompson
patent: 3849740 (1974-11-01), Brandt
Corbin John K.
Hille Rolf
Hitachi , Ltd.
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