Inductive detection type rotary encoder
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United States of America Patent
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Oct 20, 2015
Grant Date -
Jul 25, 2013
app pub date -
Jan 24, 2013
filing date -
Jan 25, 2012
priority date (Note) -
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Abstract
A first reception wiring and a first magnetic flux coupler form a first track having a shape periodically changing in a rotation direction of the rotor at a first pitch. A second reception wiring and a second magnetic flux coupler form a second track having a shape periodically changing in a rotation direction of the rotor at a second pitch. The first reception wiring and the second reception wiring are stacked via a first insulative layer in a direction in which a rotation shaft extends. The first magnetic flux coupler and the second magnetic flux coupler are stacked via a second insulative layer in a direction in which the rotation shaft extends.
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