Rotation angle detector

Details Rotation angle detector Rotation angle detector

2008-03-04

2008-03-04

Aurora, Reena (Department: 2862)

Electricity: measuring and testing

Magnetic

Displacement

C324S207200, C324S207210

Reexamination Certificate

active

07339371

ABSTRACT:
A rotation angle detector for detecting change in the magnetic flux has a magnetic sensor being disposed at a position in a space between an outer surface of a shaft and a periphery of the magnetic flux generation means. A supplementary magnet is also used in a space that is enclosed in a circular trace of the magnetic sensor around the shaft for even distribution of the magnetic flux generated by the magnetic flux generation means.

REFERENCES:
patent: 5889400 (1999-03-01), Nakazawa
patent: 6268722 (2001-07-01), Kogure et al.
patent: 6310473 (2001-10-01), Zhao
patent: 7009388 (2006-03-01), Johnson et al.
patent: 2006/0267581 (2006-11-01), Wiese
patent: 2003-75108 (2003-03-01), None
U.S. Appl. No. 11/168,381, filed Jun. 29, 2005, inventor: Kawashima et al., English Counterpart of JP 2004-231636.

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