Communications: electrical – Continuously variable indicating – With meter reading
Reexamination Certificate
2007-08-31
2011-11-01
Wong, Albert (Department: 2612)
Communications: electrical
Continuously variable indicating
With meter reading
C324S076110, C324S076770, C324S110000, C324S304000, C340S644000, C361S661000, C361S660000, C361S672000, C702S062000
Reexamination Certificate
active
08049642
ABSTRACT:
Disclosed are apparatus and methodology subject matters for providing improved functionality of a meter in a 2-way communications arrangement, such as an Advanced Metering System (AMS) or Infrastructure (AMI). More particularly, the present technology relates to methodologies and apparatus for providing load side voltage sensing for utility meters which preferably are operable with remote disconnect features in an Advanced Metering Infrastructure (AMI) open operational framework. The present subject matter provides enhanced capabilities resulting in improved functionality, increased safety, and greater economy vis-à-vis fraud detection for individual metrology components in an open operational framework. Meters per the present subject matter utilize a detection circuit, which is situated generally downstream of a remote disconnect functionality. Such detection circuit is able to sense whether voltage exists or doesn't exist at such relatively downstream, or load side location. Providing such functionality allows for: (a) verification that a remote disconnect switch did open subsequent to an instruction or command to do so, (b) identification of possible user fraud, as would possibly be reflected by the presence of voltage at a time when the remote disconnect switch is open, (c) verification that the remote disconnect switch did re-close after having been given an instruction or command to close, and (d) verification of lack of voltage present before re-closing such remote disconnect switch, which serves an important safety feature.
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patent:
Lancaster Andrew
Makinson David N.
Swanson Scott
Dority & Manning P.A.
Itron, Inc.
Wong Albert
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