US 12,246,675 B2
Portable device, driving assistance system, control method, and storage medium storing a control program
Kohtaroh Akimoto, Toyota (JP); Katsuharu Tachibana, Nagoya (JP); and Koji Nakao, Okazaki (JP)
Assigned to TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP); and DENSO CORPORATION, Kariya (JP)
Filed by TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP); and DENSO CORPORATION, Kariya (JP)
Filed on Sep. 9, 2022, as Appl. No. 17/930,847.
Claims priority of application No. 2021-161299 (JP), filed on Sep. 30, 2021.
Prior Publication US 2023/0094573 A1, Mar. 30, 2023
Int. Cl. B60R 25/24 (2013.01); B60R 25/01 (2013.01); B60W 30/18 (2012.01); G05D 1/00 (2024.01)
CPC B60R 25/245 (2013.01) [B60R 25/01 (2013.01); B60W 30/18 (2013.01); G05D 1/0016 (2013.01); G05D 1/0022 (2013.01); G05D 1/021 (2013.01); B60R 2325/10 (2013.01); B60R 2325/205 (2013.01); B60W 2556/45 (2020.02)] 5 Claims
OG exemplary drawing
 
1. A portable device, comprising:
an unlock button configured to enable an operation for unlocking a door of a vehicle; and
a processor,
wherein the processor is configured to:
when the unlock button is operated in a case in which a reception sensitivity of a predetermined signal that is transmitted by wireless communication from the vehicle is a first sensitivity, change the reception sensitivity to a second sensitivity that is a higher reception sensitivity than the first sensitivity, and
change the reception sensitivity to the first sensitivity in a case in which a predetermined time has elapsed since changing the reception sensitivity to the second sensitivity.