Communications: electrical – Digital comparator systems
Patent
1977-11-07
1980-07-15
Yusko, Donald J.
Communications: electrical
Digital comparator systems
340152T, 455606, 455608, 455609, 455613, H04Q 900, G01K 1164
Patent
active
042131197
ABSTRACT:
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.
REFERENCES:
patent: 3503061 (1970-03-01), Bray et al.
patent: 3747068 (1973-07-01), Bruner et al.
patent: 4008458 (1977-02-01), Wensley
Dils Michael A.
Ward Ernest M.
Ward Steven M.
Energy Optics Inc.
Yusko Donald J.
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