SENSOR MODULE AND SENSOR SYSTEM FOR SOFT OBJECT
This sensor module is inserted into a filling material with which the inside of a soft object is filled. The sensor module has a plurality of photo reflectors disposed to face the directions different from each other such that light reflected by the filling material at the periphery of the sensor module is detected. On the basis of output from the photo reflectors, a density change of the filling material due to a load applied to the soft object or deformation of the soft object is measured. For instance, four sensor modules (62) are inserted into the four corners of a cushion (60). An information processing apparatus (63) transmits control instructions to a TV set (61), corresponding to measurement results (a cushion area depressed by a user) obtained from the sensor module (62).