Bidirectional communication system

Details Bidirectional communication system Bidirectional communication system

1995-07-11

1997-08-12

Hsu, Alpus H.

Multiplex communications

Duplex

323277, 34031006, 375220, H04B 156, H04L 514

Patent

active

056573243

ABSTRACT:
A bidirectional communication system for communicating signals between a master device (1) and a slave device (2) connected by a single wire (3), in which the master device (1) includes a voltage signal generator (4) for generating voltage signals to be transmitted to the slave device (2) over the wire (3), a current sensor (6) for sensing current consumed on the wire (3), and a received signal generator (14, 19) for generating received signals corresponding to the sensed current consumption. The slave device (2) includes a receiver (7) for receiving the voltage signals transmitted over the wire and producing received data therefrom, and a current consuming device (8) for consuming current from the wire (3) in correspondence with a signal to be transmitted to the master device (1).

REFERENCES:
patent: 4450571 (1984-05-01), Hirayama et al.
patent: 4477896 (1984-10-01), Aker
patent: 4698800 (1987-10-01), Cavaliere et al.
patent: 4740952 (1988-04-01), Vernieres et al
patent: 5440543 (1995-08-01), Wakabayashi

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