Magnetic indicator assembly

Details Magnetic indicator assembly Magnetic indicator assembly

1980-04-28

1982-04-27

Pitts, Harold I.

Communications: electrical

Audible indication

Percussion-type sound producer

34081508, 34081202, 340764, G08B 524

Patent

active

043273572

ABSTRACT:
A magnetic indicator assembly has a casing containing a stator comprising a reversibly magnetizable core carrying a wire coil. A rotor is angularly turnable around said casing through an angle of approximately 120.degree. to expose either one of two flags carried by the rotor on angularly disposed walls of a nonmagnetic member. The rotor carries a block supporting two coplanar, aligned bar magnets oppositely polarized. Either one of the magnets is attracted to the core depending on the polarity of the magnetic circuit as determined by the energization of the wire coil.

REFERENCES:
patent: 3581301 (1971-05-01), Basserdorf

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