US 12,334,755 B2
Information processing system, ECU, and information processing method
Masaya Hizaki, Nagareyama (JP)
Assigned to TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed by TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed on Nov. 22, 2021, as Appl. No. 17/532,419.
Claims priority of application No. 2021-010192 (JP), filed on Jan. 26, 2021.
Prior Publication US 2022/0239118 A1, Jul. 28, 2022
Int. Cl. H02J 7/00 (2006.01); B60L 15/20 (2006.01); B60L 53/30 (2019.01); B60L 53/60 (2019.01); B60L 58/12 (2019.01); H04W 52/02 (2009.01)
CPC H02J 7/00032 (2020.01) [B60L 15/20 (2013.01); B60L 53/305 (2019.02); B60L 53/60 (2019.02); B60L 58/12 (2019.02); H02J 7/0047 (2013.01); H02J 7/00712 (2020.01); H04W 52/0229 (2013.01); B60L 2240/70 (2013.01)] 8 Claims
OG exemplary drawing
 
1. An information processing system comprising:
a plurality of electronic control units (ECUs) mounted on a vehicle equipped with a battery that is chargeable with an external power supply and configured to control an in-vehicle device including a battery; and
a communication terminal mounted on the vehicle, the communication terminal acquiring alarm information that is information regarding presence or absence of an alarm in the in-vehicle device from the plurality of ECUs and transmitting the acquired alarm information to a predetermined server when the communication terminal is in an activated state, and the communication terminal stopping acquisition of the alarm information and transmission of the alarm information to the predetermined server when the communication terminal is in a sleep state, wherein when the communication terminal is in the sleep state, a predetermined ECU among the plurality of ECUs executes
detecting start of charging of the battery with an external power supply, and
shifting the communication terminal from the sleep state to the activated state, triggered by detection of the start of charging of the battery with an external power supply.