Iron core for the magnetic induction of a visual information dis

Details Iron core for the magnetic induction of a visual information dis Iron core for the magnetic induction of a visual information dis

1983-05-31

1985-07-16

Yasich, Daniel M.

Signals and indicators

Indicators

Magnetically actuated

40449, 34081520, 34081526, G01D 520, G08B 524

Patent

active

045289328

ABSTRACT:
An iron core for the magnetic induction of a visual information displaying element with a magnetic flip plate, wherein the display element comprises one or more permanent-magnetic flip plates magnetized perpendicular to their face and suitable for the direct or indirect display of the information. It is provided with one or more exciting coils with an iron core with a repolarizable remanent induction adapted to produce a magnetic field and with a coercive force less than the coercive force of the permanent magnet in the flip plate. On the end of the core facing the display element a profiled body is closely fitted, which is made of a magnetic material having a higher initial permeability than the initial permeability of the iron core and which is provided with a profiled cut-out corresponding to the cross-section of the end of the iron core.

REFERENCES:
patent: 3295238 (1967-01-01), Winrow
patent: 3365824 (1968-01-01), Winrow
patent: 3518664 (1970-06-01), Taylor
patent: 3624941 (1969-12-01), Chantry
patent: 3916403 (1975-10-01), Mandzsu et al.
patent: 3991496 (1976-11-01), Helwig et al.
patent: 4156872 (1979-05-01), Helwig

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