| 摘要 |
PROBLEM TO BE SOLVED: To provide a communication device which operates with low power consumption.SOLUTION: A communication device 1 includes: light-emitting elements 111, 112, and 113 which emit light for transmitting an optical signal representing a control code of an electric apparatus; thick plate members 101, 102, and 103 having a rotation center; and a column member inserted into a through hole formed so as to penetrate the rotation center. Each of the plate members has an outer peripheral surface corresponding to the thickness thereof, and each of the light-emitting elements is provided on the outer peripheral surface. The plate members are attached rotatably around the column member. |
