Communications: electrical – Continuously variable indicating – With meter reading
Patent
1985-09-16
1987-01-27
Myracle, Jerry W.
Communications: electrical
Continuously variable indicating
With meter reading
379107, G08C 512
Patent
active
046397280
ABSTRACT:
Pulses generated by the pulse initiator of an electricity meter (30) are counted during successive measurement intervals. The pulse count for each interval is stored in the solid state memory (42) of a recorder (10), to be thereafter transmitted to a central computer and printed and/or displayed to obtain energy demand survey and billing data. The operation of the recorder is controlled by a programmable microprocessor (38). To verify the accuracy of the pulses counted during each interval, the counts are accumulated over a predetermined number of successive intervals constituting a record. The accumulated count is compared with an encoded register reading obtained from the meter (30) at the end of the record. If there is acceptable correlation between the accumulated count and encoded meter reading, the interval pulse counts associated with that record are deemed verified. Power for the recorder (10) is obtained from the powerline, except during power outages in which case a rechargeable battery (28) provides back-up power. Battery charging is under the control of the microprocessor.
REFERENCES:
patent: 4298839 (1981-11-01), Johnston
patent: 4504831 (1985-03-01), Jahr et al.
Gaudier Dale
Myracle Jerry W.
Sangamo Weston, Inc.
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