Magnetic tilt sensor

Details Magnetic tilt sensor Magnetic tilt sensor

1987-07-16

1989-02-07

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Magnetic

Displacement

33364, 324262, G01B 714

Patent

active

048034266

ABSTRACT:
A magnetic tilt sensor in which a permanent magnet having a surface coated with a magnetic fluid is housed in a space inside a nonmagnetic case and is freely movable, and a magnetic sensing element is disposed to oppose the space through the case. When the case is tilted, the permanent magnet inside the space is moved to a lower position, and hence magnetism detected by the magnetic sensing element changes, thereby detecting a tilt of the case.

REFERENCES:
patent: 4282484 (1981-08-01), Morrow
patent: 4371836 (1983-02-01), Nickel et al.
patent: 4517514 (1985-05-01), Howell
patent: 4661773 (1987-04-01), Kawakita et al.
patent: 4694247 (1987-09-01), Meili et al.

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