Slight motion detecting device

Details Slight motion detecting device Slight motion detecting device

1994-10-07

1998-02-10

Trammell, James P.

Boots, shoes, and leggings

364508, 348208, G01H 100

Patent

active

057176116

ABSTRACT:
A slight motion detecting device includes a angular velocity sensor, a low pass filter, a high pass filter, an amplifier, and a CPU. The CPU differentiates an output from the angular velocity sensor so as to obtain an angular acceleration, and determines that a peak of the acceleration is obtained at the time at which the sign of the acceleration is changed, and further, calculates a zero level detection value of the angular velocity, from the peak, thereby the output of the angular velocity sensor is corrected in accordance with the zero level detection value.

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