Method of terminal control signal transmission and photonic swit

Details Method of terminal control signal transmission and photonic swit Method of terminal control signal transmission and photonic swit

1995-05-26

1996-12-03

Pascal, Leslie

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359128, 359139, 359179, H04J 1400, H04B 1016

Patent

active

055813860

ABSTRACT:
The present invention provides a method for transmitting terminal connection control signals and supervisory signals between a photonic switching system and its subscriber terminals without using any light source in the photonic switching system. After modulating amplitude of the photonic communications signals by the terminal connection control signals in the form of electric signals the photonic communications signals are inputted to the subscriber terminals to be demodulated for regenerating the terminal connection control signals.

REFERENCES:
patent: 4736462 (1988-04-01), Joel
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patent: 4807227 (1989-02-01), Fujiwara
patent: 5383046 (1995-01-01), Tomofuji
patent: 5416628 (1995-05-01), Betti
patent: 5420868 (1995-05-01), Chraplyvy
"Optical Switching in Telecommunications Networks", SPIE, vol. 1141 5th European Conference on Integrated Optics: ECIO '89, Nick Parson and Nigel Whitehead.
"A 565 MBit/s Line Equipment for Single-Mode Optical Waveguides", IEEE International Conference on Communications, CH 2028-9/84/0000-0783, May 1984, Jurgen Gier and Baldur Stummer.
"A High Capacity Metropolitan Area Network Using Lightwave Transmission and Time-Multiplexed Switching", IEEE Transactions on Communications, vol. 38, No. 10, Oct. 1990, Anthony Acampora.
"Method for Interconnecting Present and Future Optical Networks Via Switches", IBM Technical Disclosure Bulletin, vol. 32, No. 12, May 1990.

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