Display element with an odd number of display surfaces and displ

Details Display element with an odd number of display surfaces and displ Display element with an odd number of display surfaces and displ

1994-07-18

1996-01-16

Budd, Mark O.

Electrical generator or motor structure

Dynamoelectric

Rotary

40449, 310 66, 310156, 318490, H02K 3700

Patent

active

054850436

ABSTRACT:
In display comprising a display surface member with a plurality of display surfaces, and a permanent magnet type motor mechanism composed of a stator having magnetic members each forming a magnetic pole at one free end and excitation windings wound on the magnetic members and a rotor having a magnet member with a double-pole permanent magnet, the number of display surfaces of the display surface member is three or more odd number; the numbers of magnetic members and excitation windings of the rotor are also odd in accordance with the number of display surfaces and the magnet member of the rotor has a first magnetic pole opposed to the magnetic pole of one of the odd number of magnetic members and a second magnetic pole opposed to the magnetic poles of the other two adjacent magnetic members.

REFERENCES:
patent: 4521983 (1985-06-01), Wakatake
patent: 4558267 (1985-10-01), Wakatake
patent: 4558529 (1985-12-01), Chang et al.
patent: 4706398 (1987-11-01), Browne et al.
patent: 5045767 (1991-09-01), Wakatake

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