Rotational angle sensing device and assembling method thereof

Details Rotational angle sensing device and assembling method thereof Rotational angle sensing device and assembling method thereof

2006-04-18

2006-04-18

Ledynh, Bot (Department: 2862)

Electricity: measuring and testing

Magnetic

Displacement

Reexamination Certificate

active

07030608

ABSTRACT:
A magnet is provided to one of two members, which make relative rotation therebetween. First and second Hall elements are arranged adjacent to each other and are provided to the other one of the two members. A magnetic sensing surface of the first Hall element is generally perpendicular to a magnetic sensing surface of the second Hall element, and a relative rotational angle between the two members is determined through the first and second Hall elements based on a magnetic flux, which is generated by a magnetic flux generating portion of the magnet and passes through the first and second Hall elements toward a magnetic flux attracting portion of the magnet.

REFERENCES:
patent: 6940275 (2005-09-01), Sogge
patent: 2004/0160220 (2004-08-01), Wendt
patent: 2004/0164733 (2004-08-01), Fukaya et al.
patent: 2004/0217758 (2004-11-01), Leonard
patent: 62-95402 (1987-05-01), None
patent: 2003-75108 (2003-03-01), None

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