ELECTROMAGNETIC DRIVING MECHANISM
United States Patent 3518464
US Patent References:
Magnetically coupled oscillatory and rotary motions
- - 2913905
Self-starting magnetic escapement mechanisms
- - 2946183
Synchronised magnetic escapement
- - 3148497
Electromagnetically actuated tuning fork drive adapted for clockwork
- - 3171991
Magnetically coupled oscillatory and rotary motions
- - 2913905
Self-starting magnetic escapement mechanisms
- - 2946183
Synchronised magnetic escapement
- - 3148497
Electromagnetically actuated tuning fork drive adapted for clockwork
- - 3171991
Inventors:
Kawakami, Tsuneta
Ikeno, Hitoshi
Sato, Masami
Ikeno, Hitoshi
Sato, Masami
Publication Date:
06/30/1970
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Export Citation:
Assignee:
HATTORI TOKEITEN KK
Primary Class:
Other Classes:
968/79, 74/142, 968/485, 310/37, 368/126, 74/1.500
International Classes:
G04B11/04; G04C3/10; H02K7/065; G04B11/00; G04C3/00; H02K7/06; H02K7/06