Power monitoring system that determines phase using a...

Details Power monitoring system that determines phase using a... Power monitoring system that determines phase using a...

2007-01-09

2007-01-09

Nguyen, Ha Tran (Department: 2829)

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Plural inputs

Reexamination Certificate

active

10936930

ABSTRACT:
A power monitoring system comprising a first current sensor suitable to sense first changing electrical current within a first conductor to a first load and a first conductor. A second conductor sensing a first voltage potential provided to the first load. A power monitor superimposes a first signal on the first conductor and first current sensor such that the first signal is sensed on the other of the first conductor and first current sensor. Associating the first voltage potential with first changing electrical current in the power usage calculation of the first load.

REFERENCES:
patent: 4241237 (1980-12-01), Paraskevakos et al.
patent: 5391983 (1995-02-01), Lusignan et al.
patent: 6861683 (2005-03-01), Rissing et al.
Veris Industries LLC, “Power Monitoring” product description, of at least one year prior to filing date, no month/year.

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