Non-contact position sensor

Details Non-contact position sensor Non-contact position sensor

1998-11-06

2000-12-12

Patidar, Jay

Electricity: measuring and testing

Magnetic

Displacement

32420724, 32420725, G01B 714, G01B 730

Patent

active

061603953

ABSTRACT:
A core of semi-permeable material forms a magnetic circuit having air gaps. A movable magnet provides flux in a first portion and a second portion of the magnetic circuit with the location of the magnet determining the portion. Magnetoresistive sensors in the air gaps provide signals related to the position of the magnet.

REFERENCES:
patent: 4395695 (1983-07-01), Nakamura
patent: 4810965 (1989-03-01), Fujiwara et al.
patent: 5351003 (1994-09-01), Bauer et al.
patent: 5600238 (1997-02-01), Holloway et al.

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