In order to monitor an individual’s posture, a cable is incorporated within a garment that is configured to be worn on an individual’s upper body such that at least a portion of the cable spans an upper back region of the garment. The control device includes a slide speed detector for detecting the speed of the slide, a die cushion speed detector for detecting the speed of the die cushion, and a die cushion speed commanding part for controlling the speed of the die cushion. As a result, the entire image is captured at the same time by the sensor. The terminal housing disposed in the compressor housing covers the terminal connection.