| 摘要 |
A sensing apparatus for detecting a predetermined type of physical information which changes in accordance with an external factor, such as an operation force from the outside or the like, includes a camera, an attachment which includes a subject which changes a state thereof in accordance with the external factor, and a CPU which detects the physical information described above based on image data from the camera. For example, as the subject, a globe is provided which is arranged on a concave surface. Tilting of a case fitted with the attachment causes the globe to move on the surface. The CPU, from the image data, analyzes the position of the globe and detects the inclination of the case.
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