Magnetic length or angle measuring system having improved magnetic sensor arrangement
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United States of America Patent
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-
Sep 16, 1986
Grant Date -
N/A
app pub date -
Apr 4, 1983
filing date -
Apr 21, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A magnetic measuring instrument for measuring the relative position of two objects includes a scanning unit which incorporates a magnet positioned to scan a measuring division. The measuring division is provided with alternately magnetically conducting and magnetically non-conducting zones. Measuring signals of high signal quality are generated because the induction generated by the magnet in the measuring division runs only in planes perpendicular to the longitudinal extent of the measuring division (the measuring direction x). Magnetic field sensitive sensor elements in the air gap between the magnet and the measuring division scan the air gap induction to generate position dependent measuring signals.
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