Angular position transducer including permanent magnets and Hall Effect device
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United States of America Patent
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Feb 11, 1986
Grant Date -
N/A
app pub date -
Nov 20, 1981
filing date -
Nov 20, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A transducer for creating an electrical signal proportional to the angular position of a member pivotally mounted on a given axis, which transducer comprises an element pivoted directly by the member and containing a means for creating a flux field linearly varying in intensity along a given operating line extending in an air gap between spaced portions and having a preselected arcuate shape. A linear Hall Effect device, with an output voltage proportional to the intensity of the flux field to which the device is exposed, is mounted at a fixed position on the operating line and in the air gap. Consequently, as the element is pivoted by the monitored member, the output voltage from the Hall Effect device varies proportionally to the position of the Hall Effect device along the operating line.
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