Data processing network

Communications: electrical – Continuously variable indicating – With meter reading

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Details

375 36, H04Q 900, H04B 350

Patent

active

045231923

ABSTRACT:
A data processing network has a plurality of data processing stations which communicate over a bus. Each station is inductively coupled to the bus. Data is transmitted in a binary coded form in which a zero is represented by a pair of oppositely poled pulses and a one is represented by the absence of any pulse. The transmitter circuit includes an energy saving circuit for recovering energy from the backswing of each pulse. Preferably the bus consists of a twisted pair of wires.

REFERENCES:
patent: 3237164 (1966-02-01), Evans
patent: 3794759 (1974-02-01), Nick
patent: 4184045 (1980-01-01), Philipson et al.
patent: 4199663 (1980-04-01), Herzog
patent: 4353130 (1982-10-01), Carasso et al.
patent: 4411004 (1983-10-01), Graham

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