Gateway device, in-vehicle network system, and firmware update method

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12169708
APP PUB NO 20240053977A1
SERIAL NO

18495971

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Abstract

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A gateway device is connected to a plurality of electronic controllers on-board a vehicle. The gateway device acquires firmware update information, which includes at least a part of updated firmware to be applied to a first electronic controller, patch data, and information indicating where to apply the patch data. When the gateway device determines that the first electronic controller does not include a firmware cache for performing a pre-update firmware cache operation, the gateway device executes a proxy process. In this regard, the gateway device requests the first electronic controller to transmit boot ROM data to the gateway device, merges the patch data and existing firmware to create updated boot ROM data with updated firmware, and transmits the updated boot ROM data to the first electronic controller that updates the boot ROM data and resets the first electronic controller with the updated firmware.

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Patent Owner(s)

Patent OwnerAddress
PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICATORRANCE CA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Anzai, Jun Kanagawa, JP 73 613
Haga, Tomoyuki Nara, JP 191 4850
Kishikawa, Takeshi Osaka, JP 114 946
Maeda, Manabu Osaka, JP 185 2656
Matsushima, Hideki Tokyo, JP 240 4975
Nakano, Toshihisa Osaka, JP 231 3824
Ujiie, Yoshihiro Tokyo, JP 114 996

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