US 12,468,544 B2
Arithmetic device and computer program
Kazunori Kenjo, Kanagawa (JP); and Hiroshi Yoshida, Kanagawa (JP)
Assigned to KYB CORPORATION, Tokyo (JP)
Filed by KYB Corporation, Tokyo (JP)
Filed on Feb. 3, 2023, as Appl. No. 18/164,437.
Claims priority of application No. 2022-057386 (JP), filed on Mar. 30, 2022.
Prior Publication US 2023/0350692 A1, Nov. 2, 2023
Int. Cl. G06F 9/4401 (2018.01)
CPC G06F 9/4403 (2013.01) 2 Claims
OG exemplary drawing
 
1. A method for an arithmetic device that includes a communication device that communicates with another instrument, the method comprising:
providing
a first activation unit to which first identification information is set, the first activation unit including an information update unit, and
a second activation unit to which second identification information is set and at which a computer program can be updated by the first activation unit;
transmitting, using the second activation unit, the second identification information to the first activation unit when having determined that information of update that can be performed by the first activation unit is included in information acquired by the communication device;
when having received the second identification information from the second activation unit, changing, using the first activation unit, the first identification information to the second identification information, establishing communication with the other instrument based on the second identification information, and performing update at the second activation unit based on update information transmitted from the other instrument;
temporarily reading the first identification information and the second identification information;
upon transmission of the second identification information from the second activation unit, transmitting, using the first activation unit, the first identification information and the second identification information to the information update unit;
changing, using the information update unit, the first identification information to the second identification information;
rebooting, using the second activation unit, the first activation unit and the second activation unit after the update is completed; and
upon the reboot, deleting, using the information update unit, the first identification information and the second identification information read by the information update unit.