| 主权项 |
1. A switch device comprising:
a communication sheet that propagates electromagnetic wave; a wireless communication part arranged close to said communication sheet, and stores predetermined information, and wirelessly transmits said predetermined information to the communication sheet; a shield part that shields a radio signal wirelessly transmitted from said wireless communication part; an operation part that enables or disables wireless communication between said communication sheet and said wireless communication part; and a discrimination part that discriminates contents of operation by said operation part based on the predetermined information wirelessly transmitted by said wireless communication part, wherein said shield part is arranged between said communication sheet and said wireless communication part; and according to an operation by said operation part to disable the wireless communication between said communication sheet and said wireless communication part, said shield part, said communication sheet or said wireless communication part slides and shields the radio signal from said wireless communication part, wherein said wireless communication part is supplied with electric power through said communication sheet, wherein said shield part does not shield the electric power supplied from said communication sheet to said wireless communication part, and wherein a frequency used for transmission of the electric power from the communication sheet to the wireless communication part is different from that used for transmission of a signal for the wireless communication, and the shield part is configured to pass only the frequency used for transmission of the electric power. |
