Communication link

Details Communication link Communication link

1991-08-02

1993-11-02

Chin, Stephen

Pulse or digital communications

Repeaters

Testing

375 17, 375 36, H04L 2728

Patent

active

052590020

ABSTRACT:
A method and an electronic communication link for piece of information serial transmission includes at multiple conductor constellation having at least three conductors (R, S, T). There could be provided at least three different combinations ((H,L,L), (L,H,L), (L,L,H)) of signal levels (V.sub.L, V.sub.H) on the conductors, which combinations are set in a prescribed order. One kind of piece of information, for instance "0", is transmitted by a change of combination in said prescribed order. The other kind of piece of information, for instance "1" is transmitted by a change of combination backwards against the prescribed order.

REFERENCES:
patent: 4097859 (1978-06-01), Looschen
patent: 4631428 (1986-12-01), Grimes
patent: 4983965 (1991-01-01), Doi et al.
patent: 5166956 (1992-11-01), Baltus et al.
"Halbleiter-Schaltungstechnik", 5th Edition, By Dr.-Ing. U, Tietz et al., pp. 617-619.
"Standard for Electrical Characteristics of Generators and Receivrs for Use In Balanced Digital Multipoint Systems", EIA Standard, RS-485, Apr. 1983, pp. 1-12.

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