Single core display device

Details Single core display device Single core display device

1988-02-01

1989-08-29

Apley, Richard J.

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34081505, 40492, G09F 900

Patent

active

048604704

ABSTRACT:
An electromagnetic display device has a rotor rotatable between limiting positions and in said limiting positions to display contrasting faces in the viewing direction. The drive for the rotor uses a permanent magnet mounted on the rotor eccentrically of the rotary axis and a stator core mounted behind the rotor and on a line intersecting the rotor axis and parallel to the viewing direction.

REFERENCES:
patent: 3295238 (1967-01-01), Winrow
patent: 3624941 (1971-12-01), Chantry
patent: 4531318 (1985-07-01), Chang et al.
patent: 4577427 (1986-03-01), Browne

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