Master-slave communication system for stations having timer mean

Details Master-slave communication system for stations having timer mean Master-slave communication system for stations having timer mean

1988-10-25

1991-01-29

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

34082506, 34082514, 370 851, H04B 300

Patent

active

049889893

ABSTRACT:
A main station has a first timer device and each of a plurality of peripheral stations connected to the main station, through a communication line, has a second timer device. Data is transmitted between each of the plurality of peripheral stations and the main station, with every unit period of communication and the order of the communication therebetween being predetermined. In the unit period of communication mentioned above, an initializing data signal is transmitted from the main station to each of the peripheral stations and a data signal is transmitted between the main station and each peripheral station every individual communication period of each of the peripheral stations.

REFERENCES:
patent: 4679192 (1987-07-01), Vanbrabant
patent: 4733224 (1988-03-01), Kimura
patent: 4763339 (1988-08-01), Sutphin et al.
patent: 4785449 (1988-11-01), Nakamura et al.
patent: 4815105 (1989-03-01), Bottoms et al.
patent: 4860001 (1989-08-01), Yamanaka et al.

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