Communications: electrical – Systems – Selsyn type
Patent
1996-10-28
1998-09-08
Swarthout, Brent A.
Communications: electrical
Systems
Selsyn type
34031005, 375257, 455 33, H04M 1104
Patent
active
058050523
ABSTRACT:
The system provides for one single cable with four electrical conductors (16 to 19). Two of the conductors (18, 19) form a field bus line for the signal transmission, and the other two conductors (16, 17) form an energy line for providing energy supply. All signal transmitters (1, 2) and signal receivers (3, 4) are connected to the cable, and the cable (16-19) is fitted at both ends with a line termination (20-22). Each signal transmitter (1, 2) and each signal receiver (3, 4) has a field bus controller (8, 10). The entire signal transmission takes place via the two-wire field bus line (18, 19).
REFERENCES:
patent: 4627076 (1986-12-01), Staal et al.
patent: 4860309 (1989-08-01), Costello
patent: 4888764 (1989-12-01), Haug
patent: 5046072 (1991-09-01), Shimuzi et al.
patent: 5148144 (1992-09-01), Sutterlin et al.
patent: 5379441 (1995-01-01), Watanabe et al.
patent: 5465255 (1995-11-01), Tanaka et al.
patent: 5483110 (1996-01-01), Koide et al.
Hansemann Heinrich
Laupichler Herbert
Muller Jan-Hermann
Politt Joachim-Christian
Schmitz Gunter
Gestra GmbH
Swarthout Brent A.
Trieu Van T.
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