Communications: electrical – Continuously variable indicating – With meter reading
Patent
1986-09-17
1989-02-14
Caldwell, Sr., John W.
Communications: electrical
Continuously variable indicating
With meter reading
379107, G08C 1506, G08C 1920
Patent
active
048049573
ABSTRACT:
The utility meter is a microprocessor-based circuit using Hall effect electric current sensors to measure power usage by residential and commercial customers. An analog signal from the Hall effect sensor is converted to a digital signal which is fed to the microprocessor for analysis and storage in random access memory. Using a real time clock, the microprocess or determines time of use information which is also stored in random access memory. The memory may be remotely interrogated via a telephone line or serial communication link. If desired, the meter can receive utility usage inputs from other utility meters, such as water, gas, etc. and to fire and intrusion alarms. To effect a submetering configuration useful in apartment complexes, institutional and manufacturing applications, a mutiplicity of meters are multiplexed to a data collection computer which is in turn networked with other data collection computers to a central billing computer.
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"Centralized Load Control & Auto. Meter Read. Syst. for Dist. Line", Third International Conference on Metering, . . . , London, England, Nov. 15-17, 1977.
"Telephone Meter Reading is Possible" and "Get Meter Readings into Computers Quickly", The American City, Oct. 1972.
"Meter Readers Don't Stop Here Anymore", The American City & Country, Dec. 1975.
Hughes Derek B.
Selph Marvin P.
Caldwell Sr. John W.
Queen Tyrone
Triad Communications, Inc.
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