Importance

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Abstract

A sensor module includes: a reference period signal generation unit configured to output a reference period signal; a first count unit configured to generate, in synchronization with one of a first measured signal output by a first physical quantity sensor and the reference period signal, a first count value of a time event of the other of the first measured signal and the reference period signal; a second count unit configured to generate, in synchronization with one of a second measured signal output by a second physical quantity sensor and the reference period signal, a second count value of a time event of the other of the second measured signal and the reference period signal; a first filter configured to receive the first count value and output a third count value; a second filter configured to receive the second count value and output a fourth count value; and a filter unit configured to output a measurement value based on a difference between the third count value and the fourth count value.

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First Claim