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Theft prevention device has inclination sensor which is attached at vehicle to detect inclination angle and emit inclination angle signal corresponding to angle of inclination
Theft prevention device has inclination sensor which is attached at vehicle to detect inclination angle and emit inclination angle signal corresponding to angle of inclination
The device has an inclination sensor (10) which is attached at the vehicle to detect the inclination angle and emit an inclination angle signal corresponding to the angle of inclination. A filter (30) has pass-band and filters the angle of inclination signal in which frequencies are equal or smaller than a limiting frequency. A limiting frequency adjusting unit (40,50,60,70) adjusting the limiting frequency on the basis of output signals of the filter.
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