The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 18, 2022
Filed:
Jun. 19, 2018
Hitachi Automotive Systems, Ltd., Hitachinaka, JP;
Shuhei Kaneko, Hitachinaka, JP;
Kenichi Osada, Hitachinaka, JP;
HITACHI ASTEMO, LTD., Hitachinaka, JP;
Abstract
Provided is a vehicle controller that can suppress increase in startup time due to increase in the number of function portions related to communication. The invention includes a power supply unitthat is capable of supplying or shutting off operating power to a microcomputerthat communicates with other electronic control units through CAN channels (CAN, CAN), and communication controllersandthat are respectively provided in the multiple CAN channels (CAN, CAN) used for communication of the microcomputer. When the communication controllerreceives a control start instruction signal instructing activation of the microcomputerthrough the CAN channel (CAN) related to the communication controller, the communication controllerswitches the state of the communication controllerfrom a standby state with a limited function to an operating state, transmits a power source activation instruction signal instructing switching of the supply state of operating power to the microcomputerfrom supply to shut-off to the power supply unit, and outputs a communication start instruction signal instructing switching from the standby state to the operating state to the communication controller