Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Plural inputs
Reexamination Certificate
2008-07-22
2008-07-22
Tang, Minh N (Department: 2829)
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Plural inputs
C340S870020, C702S062000
Reexamination Certificate
active
07402993
ABSTRACT:
Methods of detecting atypical patterns of usage of electricity, determined by monitoring consumption at the primary line, permit detection of grow-ops and unusual line losses due to defective service lines. A meter having a high resolution is connected to the primary line and the data collected is compared to known consumption patterns thus identifying a potential theft or a loss. Once an atypical pattern has been found, the heat signatures of transformers fed by the primary line are measured. An unusual heat signature alerts the utility to load test the secondary lines of each residence fed from the transformer and thus locate suspect residences which may be grow-ops or to locate a line loss due to defective service lines.
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Dtechs EPM Ltd.
Goodwin Sean W.
Tang Minh N
Thompson Linda M.
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