Remote data acquisition and communication system

Details Remote data acquisition and communication system Remote data acquisition and communication system

1993-06-25

1995-09-05

Groody, James J.

Communications: electrical

Continuously variable indicating

With meter reading

34087011, 340539, 34031006, 375200, H04Q 900, H04M 1104, H04B 354

Patent

active

054482305

ABSTRACT:
A remote data acquisition and communication system includes a plurality of collector devices including a radio transmitter, optionally a plurality of concentrator devices including a radio transmitter, a radio receiver and a memory, a plurality of controller devices including a radio transmitter, a radio receiver and a memory, optionally a plurality of data communications nodes coupled to corresponding concentrator devices via a first communications link, and a data management platform computer coupled to the data communications nodes or the next lower level of devices via a second communications link. The collector devices, concentrator devices and controller devices communicate with one another via RF communications, preferably a single communication channel at a single carrier frequency. The collector devices preferably transmit data to the concentrator devices at intervals of between 4 to 6 hours and in preferred transmission bursts of less than 200 milliseconds, to minimize collisions between transmissions from different collector devices, and the transmitted data is sorted and redundancies discarded for each desired period of data keeping, i.e., typically daily.

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