Indicator element for a magnetic rotation angle sensor

Details Indicator element for a magnetic rotation angle sensor Indicator element for a magnetic rotation angle sensor

2008-03-14

2010-11-09

Whittington, Kenneth J (Department: 2858)

Electricity: measuring and testing

Magnetic

Displacement

C324S207220

Reexamination Certificate

active

07830138

ABSTRACT:
An indicator element for a magnetic rotation angle sensor having a field probe for generating a sensor signal in response to a geometric position of the indicator element relative to the field probe is disclosed. The indicator element has a permanent magnet with an annular cross-section having a plurality of segments, magnetization of the segments being in different directions so that a homogeneous magnetic field is formed in an inner region of the indicator element into which the field probe is arranged. At least two segments exhibit radial or diametrical magnetization and at least two segments exhibit lateral magnetization.

REFERENCES:
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patent: 6614223 (2003-09-01), Schroeder et al.
patent: 6720763 (2004-04-01), Nehl et al.
patent: 6753681 (2004-06-01), Enomoto et al.
patent: 7652470 (2010-01-01), Spratte
patent: 2001/0009366 (2001-07-01), Kono et al.
patent: 2003/0034775 (2003-02-01), Schroeder et al.
patent: 2007/012419 (2007-02-01), None

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