Method and apparatus for phase determination

Details Method and apparatus for phase determination Method and apparatus for phase determination

2007-05-01

2007-05-01

Barlow, Jr., John E. (Department: 2863)

Data processing: measuring, calibrating, or testing

Measurement system in a specific environment

Electrical signal parameter measurement system

C702S066000, C702S187000, C702S072000, C324S076110, C324S076130

Reexamination Certificate

active

10970580

ABSTRACT:
An electricity metering method and apparatus is provided for determining the phase of first waveform relative to a harmonically distorted, second waveform having cycles temporally distinguished by an occurrence of an amplitude that is neither zero amplitude nor a maximum amplitude of said waveform.

REFERENCES:
patent: 6269317 (2001-07-01), Schachner et al.
patent: 6549859 (2003-04-01), Ward

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