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Title:
ELECTRONIC CONTROL DEVICE, VEHICULAR ELECTRONIC CONTROL SYSTEM, DIFFERENCE DATA CONSISTENCY DETERMINATION METHOD, AND DIFFERENCE DATA CONSISTENCY DETERMINATION PROGRAM
Document Type and Number:
WIPO Patent Application WO/2020/032119
Kind Code:
A1
Abstract:
This electronic control device (19) is equipped with: a difference data acquisition unit (103a) that acquires difference data which indicates a difference between old data and new data and which is data to be used for rewriting a data storage region of the electronic control device; a consistency determination unit (103b) that, on the basis of first determination information related to stored data stored in the data storage region and second determination information acquired in a format associated with the difference data, determines whether the difference data is consistent with the data storage region or the stored data; an update data restoration unit (103c) that, when the consistency determination unit has determined that the difference data is consistent with the data storage region or the stored data, uses the difference data and the stored data to restore update data, which is new data; and a data writing unit (103d) that writes the update data, which has been restored by the update data restoration unit, to the data storage region.

Inventors:
HARATA YUZO (JP)
UEHARA KAZUHIRO (JP)
NATSUME MITSUYOSHI (JP)
KAWASAKI TAKUYA (JP)
Application Number:
PCT/JP2019/031174
Publication Date:
February 13, 2020
Filing Date:
August 07, 2019
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Assignee:
DENSO CORP (JP)
International Classes:
G06F8/65; B60R16/02
Domestic Patent References:
WO2016121442A12016-08-04
Foreign References:
JP2015153160A2015-08-24
JP2006518059A2006-08-03
Attorney, Agent or Firm:
SATO INTERNATIONAL PATENT FIRM (JP)
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