US 11,956,640 B2
Communication device
Masanori Kosugi, Aichi (JP)
Assigned to KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO, Aichi (JP)
Filed by KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO, Aichi (JP)
Filed on Jun. 28, 2022, as Appl. No. 17/851,411.
Claims priority of application No. 2021-136798 (JP), filed on Aug. 25, 2021.
Prior Publication US 2023/0062736 A1, Mar. 2, 2023
Int. Cl. H04B 1/16 (2006.01); H04B 1/034 (2006.01); H04B 1/04 (2006.01); H04B 1/08 (2006.01); H04B 5/22 (2024.01); H04W 12/06 (2021.01); H04W 12/63 (2021.01); H04W 12/71 (2021.01); H04W 64/00 (2009.01)
CPC H04W 12/71 (2021.01) [H04B 1/034 (2013.01); H04B 1/04 (2013.01); H04B 1/086 (2013.01); H04B 5/22 (2024.01); H04W 12/63 (2021.01); H04W 64/00 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A communication device, comprising:
a wireless communication circuit configured to control wireless communication with a portable device in conformity with a specific communication standard;
a capacitive sensor circuit configured to detect proximity of an object on a basis of a change in capacitance;
an antenna configured to be used for both transmitting/receiving a wireless signal conforming to the specific communication standard and detecting the capacitance;
a high-pass filter disposed between the wireless communication circuit and the antenna; and
a low-pass filter disposed between the capacitive sensor circuit and the antenna,
wherein the communication device is configured to be disposed in a gripping portion to be gripped by a user carrying the portable device, and
the gripping portion includes a door handle provided on a vehicle.