INFORMATION UPDATE SYSTEM
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United States of America Patent
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Issued Date -
Sep 7, 2023
app pub date -
Oct 22, 2021
filing date -
Nov 27, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
An information update system is provided, which can update information stored in a control unit mounted on an industrial machine by using an update file transmitted wirelessly, while battery exhaustion is suppressed. The information update system 2 includes an ignition 62, a control unit 41, a gateway 3 which performs update of information stored in the control unit 41, a first relay 51 controlled to be connected and disconnected by the control unit 41 and switches between transmission and shut-off of electricity from a battery 61, and a second relay 52 controlled to be connected and disconnected by the gateway 3and switches between transmission and shut-off of the electricity from the battery 61. The control unit 41 disconnects the first relay 51 when the ignition 62 is set to off. The gateway 3 performs the information update in a state where the second relay 52 is kept connected, when the ignition 62 is set to off, and disconnects the second relay 52 after the information update is finished.
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