Device for determining the absolute angular position of a turning component
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United States of America Patent
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Apr 22, 2003
Grant Date -
Feb 28, 2002
app pub date -
Jun 29, 2001
filing date -
Jun 30, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A fixed magnetic sensor (16) is used to determine absolute angular position of a turning component (3, 4). A detection device (27) detects an angular position of a multipole magnetic ring (11) near a reference angular position. A resetting device (28) resets the angular position of the multipole magnetic ring (11) detected by detection device (27). The resetting device (28) is capable of assigning a value called 'offset' to the value of the absolute angular position of the multipole magnetic ring (11). A determination device (29) determines the absolute angular position of the multipole magnetic ring (11) on all of the turns made by a turning component (3, 4) ascertained from the offset value and variations in the angular position.
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