Fiber optic signal conditioning circuit

Details Fiber optic signal conditioning circuit Fiber optic signal conditioning circuit

1979-01-12

1982-02-23

Orsino, Jr., Joseph A.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

307311, 372 43, H04B 900

Patent

active

043172326

ABSTRACT:
A circuit for both transmitting and receiving information in the form of light energy using a single light-emitting diode. Signals are received by the diode from a fiber optic light pipe or bundle and are converted into electrical energy. A transmission section in the same circuit converts electrical energy into light energy in the diode to transmit information. The system, therefore, requires only one diode and one optical connector at each end of the light pipe or bundle for two-way communications.

REFERENCES:
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patent: 4056719 (1977-11-01), Waaben
patent: 4070572 (1978-01-01), Hayes
patent: 4096382 (1978-06-01), Numata et al.
patent: 4168427 (1979-09-01), Hubbard
Adlerstein-Optical Communcations, Computing GGT A Semiconductor Boost at SPIE-Electronic Design 17-Aug. 16, 1978, pp. 30, 40, 41.
Mims-Communicate Over Light Beams With the First Single _LED Transceiver-Pop. Elect., Mar. 1974, pp. 66-70.
Mims-LED Circuits and Projects-Published by H. W. Sams, 1975.
Grundy et al., Collector Diffusion Isolation Packs Many Functions on a Chip-Electronics-Jul. 3, 1972, pp. 96 and 104.
Ramsay et al., Subsystems for Optical Fibre Communication Field Demonstrations-Proc. of Ire-vol. 123, #6, pp. 633-641, Jun. 1976.
Mortensen-Low Cost Optical Sensor Overcomes Ambient Light-Electronics-Jun. 12, 1975, p. 124.

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