Optical: systems and elements – Deflection using a moving element – Using a periodically moving element
Patent
1992-07-09
1994-12-06
Chilcot, Jr., Richard E.
Optical: systems and elements
Deflection using a moving element
Using a periodically moving element
359113, 359114, H04B 1006
Patent
active
053716221
ABSTRACT:
In an optical telecommunication system having a direct-access optical transmission medium, a plurality of send/receive terminals may communicate with each other on different optical carriers. In order to make it possible for a terminal which is already in communication with a second terminal to also transmit to or receive a message from a third terminal, each terminal includes modulation and demodulation circuits for modulating/demodulating particular message signals on particular subcarriers. Signals received from different terminals can thereby be distinguished from each other on the basis of their respective subcarriers.
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Hooijmans Pieter W.
Khoe Giok D.
Kluitmans Johannes T. M.
Chilcot Jr. Richard E.
Eason Leroy
Moller Richard A.
U.S. Philips Corporation
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