Retrofitting device providing automatic reading capability for m

Details Retrofitting device providing automatic reading capability for m Retrofitting device providing automatic reading capability for m

1993-09-08

1996-04-09

Sikes, William L.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

25023116, 34087028, G01D 534, G08C 1700

Patent

active

055064043

ABSTRACT:
The present invention provides a retrofitting assembly and system providing automatic reading capability for gas, electric power, and water meters. The assembly includes a differential sensing system which recognizes and stores the angular position of an optical pattern mounted onto a rotating member of a meter. Light pulses stemming from pulsed sources travel through fiber optic cables on their way to the optical pattern. A Sensing/Transmitting/Receiving module generates, processes, and stores the pulses sent to and received from the optical pattern. Also disclosed is a billing system which may be built around the retrofitted or modified meters.

REFERENCES:
patent: 4654523 (1987-03-01), Tanaka
patent: 4811368 (1989-03-01), Lee
patent: 5311581 (1994-05-01), Merriam

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