Fault tolerant, self-powered data reporting system

Details Fault tolerant, self-powered data reporting system Fault tolerant, self-powered data reporting system

1982-07-06

1984-07-31

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

34082536, 340505, H04Q 900, G08B 1900

Patent

active

044633521

ABSTRACT:
A fault tolerant, self-powered data gathering system is provided having a communication channel having at least three lines, a controller connected to the communication channel for receiving data messages from remote stations and for supplying power to the remote stations, the controller having a selector for selecting a pair of the three lines over which data messages can be received, the pair also supplying the power to the remote stations, and a plurality of remote stations connected to the communication channel, each remote station having a rectifier bridge connected to the three lines, the rectifier bridge accepting power of either polarity and bidirectional data flow, a power store connected to the rectifier bridge for storing power supplied by the controller, a data message apparatus for transmitting data messages to the controller, and a transmitter connected to the rectifier bridge and to the data message apparatus for transmitting the data messages over the communication channel to the controller.

REFERENCES:
patent: 3387266 (1968-06-01), Swartwout et al.
patent: 3717858 (1973-02-01), Hadden
patent: 3732562 (1973-05-01), Faber et al.
patent: 4002847 (1977-01-01), Dail
patent: 4009469 (1977-02-01), Boudreau et al.
patent: 4139737 (1979-02-01), Shimada et al.
patent: 4311986 (1982-01-01), Yee
patent: 4394655 (1983-07-01), Wynne et al.
patent: 4413250 (1983-11-01), Porter et al.

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