| 摘要 |
PROBLEM TO BE SOLVED: To provide a user interface device which is compact, excellent in usability, applicable to a portable electronic device and installable both inside and outside an electronic device.SOLUTION: A user interface device has a holder 16 to be attached to a user. A camera 11 equipped with a wide-angle lens 112 images at least one of a shift in user's posture and a change in user's expression as a user's manner in operation. The camera 11 is installed on the holder 16 in such a way that a center of field angle of the wide-angle lens 112 turns to the opposite side of the user when the holder 16 is attached to the user. |
