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Two-way optical data communication network - has intermediate optical amplifiers with electrical control terminals for electrical signal input and output circuits.
 
: Kohn, U.; Ludwig, R.

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Frontpage ()

DE 1989-3928116 A: 19890825
EP 1990-250215 A: 19900823
H04B0010
Deutsch
Patent, Elektronische Publikation
Fraunhofer HHI ()

Abstract
EP 414333 A UPAB: 19950314 An optical data network, for bidirectional communication between subscriber stations, has an optical fibre cable with station connections including optical amplifiers (OVn-OVn+3). Each optical amplifier has a connection to a power supply (IV) via an inductive coupling. Each station has a data input and output. The value of the bias current IIV) determines the gain and sensitivity of the amplifier. In combination with the switching in of a modulating current the fibre optic line can handle bidirectional data transmissions. ADVANTAGE - Point to multipoint connection possible. Easily extended. ADVANTAGE - Point to multipoint connection possible. Easily extended. 2/4

: http://publica.fraunhofer.de/dokumente/PX-75584.html