Rotational angle detecting device

Details Rotational angle detecting device Rotational angle detecting device

2007-12-04

2007-12-04

LeDynh, Bot (Department: 2862)

Electricity: measuring and testing

Magnetic

Displacement

C324S207200, C324S251000

Reexamination Certificate

active

11208761

ABSTRACT:
A rotational angle detecting device includes a sensor portion disposed on a shaft. The sensor portion includes longitudinal hall elements disposed perpendicular to each other for outputting a hall voltage proportional to a magnetic flux induced by a magnet disposed on the shaft. The device also includes an engagement mechanism for maintaining a positional relationship with the magnet in which a center portion of the sensor is aligned with a center portion of the magnet.

REFERENCES:
patent: 4048670 (1977-09-01), Eysermans
patent: 2002/0167310 (2002-11-01), Wallner et al.
patent: A-2002-323345 (2002-08-01), None
patent: A-2003-149000 (2003-05-01), None

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