04213119 is referenced by 124 patents and cites 3 patents.

An electro-optical remote meter reading system providing automatic load control and time related and peak demand readings from conventional electric power meters, including an electro-optical monitor unit having a non-contact meter scanner providing meter data to a digital storage and readout unit, and an electro-optical transponder effective to receive and to transfer data from the latter unit and to convert such data into a train of laser radiation pulses which are emitted in response to interrogation by a laser radiation pulse from a remote mobile interrogator unit which triggers the noncoded interrogation of the transponder. The interrogator includes a laser receiver and a pulse converting sub-system and is associated with further digital data processing equipment. A variant of the reading system interacts with a plurality of meters in a common location and provides sequential interrogation of a common, i.e. single, transponder, associated with the plurality of meters.

Title
Remote meter reading system providing demand readings and load control from conventional KWH meters
Application Number
681502
Publication Number
4213119
Application Date
November 7, 1977
Publication Date
July 15, 1980
Inventor
Michael A Dils
Phoenix
AZ, US
Steven M Ward
El Paso
TX, US
Ernest M Ward
El Paso
TX, US
Assignee
Energy Optics
NM, US
IPC
G01K 11/64
H04Q 9/00
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