General purpose data control system

Communications: electrical – Continuously variable indicating – With meter reading

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Details

34082544, 3408255, 455 70, H04Q 900, H04B 700

Patent

active

045918511

ABSTRACT:
A general purpose data control and information system particularly well adapted for multiple unit radio communications providing reliable enhancement to normal voice systems. The system provides addressing capability along with data transfer and utilizes handshake and retransmission protocol to enhance flexibility and reliability. The system utilizes fixed length signalling packets, with error correction encoding, to permit data transfer, transmitter identification and control and status monitoring.

REFERENCES:
patent: 4027243 (1977-05-01), Stackhouse
patent: 4369443 (1983-01-01), Giallanza et al.
patent: 4427980 (1984-01-01), Fennell et al.
patent: 4430742 (1984-02-01), Milleker et al.
patent: 4445214 (1984-04-01), Reynolds et al.

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