Circuit for serial data communication and power transmission

Details Circuit for serial data communication and power transmission Circuit for serial data communication and power transmission

1982-02-12

1988-03-29

Safourek, Benedict V.

Pulse or digital communications

Repeaters

Testing

178 49, 178 63R, 375 36, H04B 350, H04L 2502

Patent

active

047349190

ABSTRACT:
A circuit for serial data communication and power transmission between a main controller and a sub-station along two balanced transmission lines. The circuit includes a power supply for providing a DC voltage to the sub-station along the transmission lines. A main controller sending circuit generates two data signals of substantially equal magnitude and opposite polarity and supplies the data signals to the transmission lines. A sub-station receiving circuit detects the data signals, on the transmission lines and converts the data signals into a serial format output data signal.

REFERENCES:
patent: 1687432 (1928-10-01), Drake
patent: 3413413 (1968-11-01), Peisl
patent: 3671671 (1972-06-01), Watanabe
patent: 3835334 (1974-09-01), Notteau
patent: 4341927 (1982-07-01), Shinoi et al.
patent: 4402073 (1983-08-01), Hammond
The Radio Amateur's Handbook, 1964, pp. 226-227, TK6550 R162.
The Radio Amateur's Handbook, 41st edition, 1964, pp. 224+225.

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