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Patent Searching and Data


Title:
ELECTRONIC CONTROL DEVICE AND CONTROL PROGRAM VERIFICATION METHOD
Document Type and Number:
WIPO Patent Application WO/2019/064644
Kind Code:
A1
Abstract:
An electronic control device is provided with: a first nonvolatile memory to which a control program can be written; a second nonvolatile memory to which an identifier for verifying the correctness of the control program can be written; and a processor. In accordance with a write state of the identifier in the second nonvolatile memory, the processor selects either an identifier stored in advance in the control program or the identifier written to the second nonvolatile memory, and verifies the correctness of the control program.

Inventors:
ITO, Hisao (1671-1 Kasukawa-cho, Isesaki-sh, Gunma 23, 〒3720023, JP)
Application Number:
JP2018/011165
Publication Date:
April 04, 2019
Filing Date:
March 20, 2018
Export Citation:
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Assignee:
HITACHI AUTOMOTIVE SYSTEMS, LTD. (2520 Takaba, Hitachinaka-shi Ibaraki, 03, 〒3128503, JP)
International Classes:
G06F9/4401; B60R16/02; G06F11/10
Foreign References:
JPH07239777A1995-09-12
JP2004013790A2004-01-15
JP2002149412A2002-05-24
Attorney, Agent or Firm:
OGAWA, Moriaki et al. (7th Floor, Akasaka Eight One Building 13-5, Nagata-cho 2-chome, Chiyoda-k, Tokyo 14, 〒1000014, JP)
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