Switch and abnormality determining method thereof
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United States of America Patent
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Aug 23, 2022
Grant Date -
Jun 17, 2021
app pub date -
Oct 20, 2020
filing date -
Dec 12, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
A switch includes an operating member and three contacts (first, second and third contacts). The operating member displaces between a first and a second positions. A state of the three contacts is switched between a first and a second states by displacement of the operating member. Each contact connects or disconnects a signal line in the first state, and puts, in the second state, the signal line into a state reverse to the first stat. In course of the displacement of the operating member from the first position to the second position, the first contact switches from the first state to the second state, the second contact switches from the first state to the second state after switching of the first contact, and the third contact switches from the second state to the first state at a timing between switching of the first contact and switching of the second contact.
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