Indicating device

Details Indicating device Indicating device

1995-10-20

1998-03-31

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 80, 310 83, 310114, 73490, H02K 3700, H02K 706, H02K 1600

Patent

active

057342105

ABSTRACT:
In an indicating device having a stepping-motor drive, an indicating element can be driven by a gear wheel which is in engagement with a worm which is connected with a stepping motor by a worm shaft. The stepping motor is preferably formed of two stators, and of two permanent-magnet rotors which are arranged, fixed for rotation, on the two ends of the worm shaft. The rotors are arranged with half a pole spacing apart, preferably 90.degree..

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patent: 4489600 (1984-12-01), Han
patent: 5233247 (1993-08-01), Stark
patent: 5325736 (1994-07-01), Tsujita
Patent Abstracts of Japan, vol. 18, No. 436 (P-1786), Aug. 15, 1994 & JP-A-06 137890 (Yazaki), May 20, 1994.

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