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US07783414B2 Hall effect pick-up with timing correction 失效
霍尔效应拾音与定时校正

Hall effect pick-up with timing correction
Abstract:
A circuit and method for correcting signal timing. The circuit and method generate a first signal with a first phase that is out of phase with a periodic object, generate a voltage signal that corresponds to the frequency of the first signal and generate a second signal based on the first signal and the voltage signal, the second signal having a second phase that is substantially in phase with the periodic object.
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