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Data Processing: Measuring, Calibrating, Or Testing > Measurement System In A Specific Environment > Electrical Signal Parameter Measurement System > Waveform Analysis > Waveform-to-waveform Comparison > Phase Comparison Phase ComparisonPhase Comparison patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.03/30/06 - 20060069522 - Method and apparatus for phase determination 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. ... 10/27/05 - 20050240365 - Phase comparing method and apparatus in which a sampled periodic signal has a predetermined resolution A phase difference between a first periodic signal, and a sample signal corresponding to a second periodic signal and having a predetermined signal resolution M is calculated in a phase comparing method. The sample signal is obtained by sampling the second periodic signal at a sampling frequency fs for one ... 09/22/05 - 20050209803 - Signal detecting method and device, and radiation image signal detecting method and system A signal detecting method, which employs correlated double sampling, capable of setting an appropriate baseline sampling time and improving signal-to-noise ratio of the signal. The time constant τ in the low-pass filtering by a first holding circuit, which is constructed to sample the baseline signal, and the baseline sampling time ... ### FreshPatents.com Support |