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:
Aug. 16, 2022
Filed:
Mar. 30, 2020
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Ji Hyeon Kim, Hwaseong-si, KR;
Kwang Hae Ye, Seoul, KR;
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Abstract
A controller area network (CAN) sleep diagnosis apparatus can be used with a vehicle. A CAN signal detector is configured to detect a CAN signal from a CAN that connects a plurality of controllers and a CAN sleep diagnosis unit is configured to diagnose whether the CAN enters a sleep state. A memory unit is configured to determine whether to store data received from the CAN signal detector and the CAN sleep diagnosis unit depending on whether the CAN enters the sleep state and to store the data in a memory. A diagnosis unit is configured to check the data stored in the memory and to diagnose a non-sleep state of the CAN.