To enable update of a program in consideration of the remaining battery level.SOLUTION: The on-vehicle device is installed in a vehicle equipped with a battery and updates a program of another device installed in the vehicle. The on-vehicle device includes a power management unit configured to acquire a remaining battery capacity that is information on the remaining battery capacity, an update information acquisition unit configured to acquire, by communication, update information that is information related to program update, an update program determination unit configured to determine a program to be updated based on the update information and the remaining battery capacity, an update main body acquisition unit configured to acquire, by communication, an update main body that is information for updating the program based on the determination by the update program determination unit, and a transfer unit configured to transmit the update main body to another device to execute program update.SELECTED DRAWING: Figure 2
【課題】バッテリ残量を考慮したプログラムの更新ができる。【解決手段】車載装置は、バッテリを備える車両に搭載され車両に搭載される他の装置のプログラムを更新する車載装置であって、バッテリの残容量の情報であるバッテリ残量を取得する電源管理部と、プログラムの更新に関する情報である更新情報を通信により取得する更新情報取得部と、更新情報およびバッテリ残量に基づき更新するプログラムを決定する更新プログラム決定部と、更新プログラム決定部の決定に基づきプログラムを更新する情報である更新本体を通信により取得する更新本体取得部と、更新本体を他の装置に送信しプログラムの更新を実行させる転送部とを備える。【選択図】図2
ON-VEHICLE DEVICE, PROGRAM UPDATE METHOD, AND PROGRAM UPDATE SYSTEM
車載装置、プログラムの更新方法、プログラム更新システム
2019-10-31
Patent
Electronic Resource
Japanese
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