Patent ID: 7325454

Claim:
An acceleration/angular velocity sensor unit comprising: an X-direction acceleration sensor for sensing an acceleration in an X-axis direction, a Y-direction acceleration sensor for sensing an acceleration in a Y-axis direction, a Z-direction acceleration sensor for sensing an acceleration in a Z-axis direction, an X-axis angular velocity sensor for sensing an angular velocity around an X-axis, a Y-axis angular velocity sensor for sensing an angular velocity around a Y-axis, and a Z-axis angular velocity sensor for sensing an angular velocity around a Z-axis, wherein the acceleration sensors and angular velocity sensors are all packaged on a single substrate, where the X-axis, the Y-axis, and the Z-axis intersect orthogonally mutually, wherein the X-direction acceleration sensor, the X-axis angular velocity sensor, the Y-direction acceleration sensor, and the Y-axis angular velocity sensor are packaged on a first surface of the substrate such that respective X-axes and respective Y-axes are set in parallel, respectively, to the first surface, the Z-direction acceleration sensor and the Z-axis angular velocity sensor are packaged on a second surface that is opposed to the first surface of the substrate such that respective Z-axes are set perpendicularly to the second surface, and wherein the X-direction acceleration sensor and the X-axis angular velocity sensor are arranged parallel to each other on the first surface of the substrate, the Y-direction acceleration sensor and the Y-axis angular velocity sensor are arranged parallel to each other on the first surface of the substrate, and the Z-direction acceleration sensor and the Z-axis angular velocity sensor are arranged parallel to each other on the second surface of the substrate.