公开(公告)号：US20210057822A1

公开(公告)日：2021-02-25

申请号：US16978490

申请日：2019-03-04

Applicant: TORAY INDUSTRIES, INC.

Inventor： Yoshihiro KARIYA ,  Kenta NOGUCHI ,  Hiroji SHIMIZU ,  Seiichiro MURASE ,  Hisashi NISHIKAWA

IPC: H01Q7/00 ,  H04B1/59 ,  H04B5/00 ,  H01Q1/22 ,  H04B5/02

Abstract: A wireless communication device includes: an antenna for transmitting and receiving a radio wave, a rectifying circuit that is connected to the antenna and rectifies the radio wave received by the antenna to generate voltage, an internal circuit that operates by the voltage generated by the rectifying circuit, and a switch circuit that is disposed contactlessly with respect to the antenna and operates on the basis of an output signal of the internal circuit, wherein the switch circuit includes a coupling wiring and a switch element, and the operation of the switch element varies the impedance of the antenna so that communication can be carried out.

公开(公告)号：US20200261278A1

公开(公告)日：2020-08-20

申请号：US16645683

申请日：2018-08-29

Applicant: TORAY INDUSTRIES, INC.

Inventor： Shota KAWAI ,  Yoshihiro KARIYA ,  Junji WAKITA ,  Seiichiro MURASE

IPC: A61F13/42 ,  H04B1/3827 ,  H01Q1/27 ,  G01N27/04

Abstract: The present invention provides a wireless communication device including: a circuit unit; and an antenna which is connected to the circuit unit and which transmits and receives signals to and from a transceiver in a non-contact manner. The wireless communication device transmits different signals to the transceiver, depending on the presence or absence of contact between at least a part of the circuit unit and moisture.