Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Patent
1989-08-11
1991-04-16
Healy, Brian
Telecommunications
Receiver or analog modulated signal frequency converter
Signal selection based on frequency
350 9616, 350 9620, 455601, 455606, 455608, 455612, 455613, G02B 626, G02F 100
Patent
active
050076973
ABSTRACT:
A fibre optic data coupler comprises (a) a fibre optic data link input module comprising an input connector for a fibre optic connected to a fibre optic receiver for providing a digital electrical output signal corresponding to the fibre optic signal, (b) a coupler drive module for converting the digital electrical output signal to an analogue drive signal for input to an inductive coupler, (c) an inductive coupler unit comprising an inlet element for receiving the analogue drive signal and an outlet element for transmitting an induced analogue drive signal, corresponding to the input signal, (d) a coupler output module for converting the induced analogue drive signal to a digital electrical output signal for input to a fibre optic data link output module, and (e) a fibre optic data link output module comprising a fibre optic transmitter module, for providing a fibre optic signal corresponding to the digital electrical input signal, connected to a connector for a fibre optic. The coupler is particularly suitable for use in subsea applications in association with a power cable.
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Curatolo Joseph G.
Evans Larry W.
Healy Brian
The British Petroleum Company p.l.c.
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