| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an information input system which has superior portability. SOLUTION: A two-dimensional coordinate position pointed with a pointing means inserted into a two-dimensional information input area 1a which is plane is detected according to image formation positions of imaging devices of a couple of image pickup devices 2 and 3 equipped with a radio communication means. Consequently, the image pickup devices 2 and 3 are provided as different bodies and able to communicate with each other by radio, so the information input system 1 having superior portability can be provided.</p> |
