CONTROL SWITCHING DEVICE
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United States of America Patent
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Issued Date -
Nov 2, 2023
app pub date -
Nov 30, 2020
filing date -
Nov 30, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
This control switching device includes: a first operating panel provided at a first place and having A1, A2 buttons connected to a first control device and B1, B2 buttons connected to a second control device; and a second operating panel provided at a second place and having a1, a2 buttons connected to the first control device and b1, b2 buttons connected to the second control device. The first control device includes a first determination circuitry which determines whether to shut down input/output to/from an input/output device located at the first place, using operation signals of the A1, A2, B1, B2 buttons from the first operating panel. The second control device also includes a second determination circuitry similar to the first determination circuitry.
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