Stepping motor for timepiece

Details Stepping motor for timepiece Stepping motor for timepiece

1976-07-15

1978-02-21

Hohauser, Herman

Electricity: motive power systems

Reciprocating or oscillating motor

Energizing winding circuit control

58 23D, H02K 2900

Patent

active

040755401

ABSTRACT:
A stepping motor for a timepiece comprising one-piece upper stator pair, one-piece lower stator pair, and magnetic material between said one-piece upper stator and said one-piece lower stator and circular rotor having at least two pairs of magnetic poles positioned circumferentially thereof is disposed between the stator pairs, and a driving coil is connected magnetically to said one-piece upper stator pair and to said one-piece lower stator pair. The stepping motor includes means for defining a rest position of the rotor.

REFERENCES:
patent: 3497782 (1970-02-01), Petrides
patent: 3665271 (1972-05-01), Assmus et al.

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