Patent ID: 7621185
Filing Date: 2009-11-24
Classification: G01P

Abstract:
1. An acceleration sensor, comprising: a pair of cantilevers comprising two cantilevers arranged substantially parallel on a same straight line in such a manner that positions of fixed ends and free ends are arranged to face in opposite directions from each other, and each of said free ends has a degree of freedom to deflect along a same direction as each other; a pair of magnetic field generating devices with one magnetic field generating device mounted respectively to each of said free ends for generating a magnetic field in more than one direction; and a pair of magnetic field detecting devices arranged to face each of said magnetic field generating devices, respectively, for detecting directions of said magnetic fields generated by each of said magnetic field generating devices, wherein said magnetic field generating devices in a pair are provided, respectively, for measuring acceleration in a longitudinal direction of said cantilevers and for measuring acceleration in a direction orthogonal to said longitudinal direction of said cantilevers along a plane where a locus is formed when said cantilevers deflect.