US 12,259,830 B2
Device and method
Yosuke Maekawa, Chiyoda-ku (JP); Camille Gay, Chiyoda-ku (JP); and Tsutomu Matsumoto, Yokohama (JP)
Assigned to TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP); and National University Corporation YOKOHAMA National University, Yokohama (JP)
Filed by TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP); and National University Corporation YOKOHAMA National University, Yokohama (JP)
Filed on Aug. 28, 2023, as Appl. No. 18/456,641.
Claims priority of application No. 2022-136847 (JP), filed on Aug. 30, 2022.
Prior Publication US 2024/0070097 A1, Feb. 29, 2024
Int. Cl. G06F 13/20 (2006.01); H04L 12/40 (2006.01)
CPC G06F 13/20 (2013.01) [H04L 12/40 (2013.01); G06F 2213/36 (2013.01); H04L 2012/40215 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A device comprising:
a first interface unit connected to a first controller area network (CAN) bus;
a second interface unit connected to a second CAN bus; and
a control unit configured to identify, in a case where transmission of a CAN frame is started, a CAN bus detected to be in a dominant state first after end of arbitration from the first CAN bus or the second CAN bus, as a CAN bus to which a transmission source device of the CAN frame is connected.