Method of and system for accumulating verifiable energy demand d

Telephonic communications – Telephone line or system combined with diverse electrical... – To produce visual-graphic copy

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340310A, 34087002, 379107, G08C 1916

Patent

active

046821694

ABSTRACT:
A solid state electricity demand recorder (10) is controlled by a programmable microprocessor (38) to obtain energy demand survey and billing data. The accumulated count of pulses during a record interval is compared with an encoded register reading obtained from an electricity 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 power line, except during power outages in which case a battery (28) provides back-up power. The time of day and date of detection of a low battery condition is stored and used to assess data reliability.

REFERENCES:
patent: 4254472 (1981-03-01), Juengel et al.
patent: 4504831 (1985-03-01), Jahr et al.

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