Oscillating reed electric motors

Details Oscillating reed electric motors Oscillating reed electric motors

1975-11-06

1977-11-01

Budd, Mark O.

Electrical generator or motor structure

Dynamoelectric

Reciprocating

310 25, 310330, H02K 3300

Patent

active

040567435

ABSTRACT:
An electric motor of the kind in which an oscillating element carries a magnet which is coupled magnetically to a rotor to transmit drive thereto. The electrical driving signals for the oscillating element, derived for example from a divided-down quartz crystal oscillator, have a frequency f which is f/2Q less than the natural resonant frequency of the oscillating element, where Q is the Q factor of the element, to maintain drive of the latter for all variations in natural frequency due to ambient changes.

REFERENCES:
patent: 3148497 (1964-09-01), Clifford et al.
patent: 3433009 (1969-03-01), Haag
patent: 3694681 (1972-09-01), Horstmann et al.
patent: 3699762 (1972-10-01), Zatsky
patent: 3737746 (1973-06-01), Cielaszyk et al.
patent: 3791133 (1974-02-01), Hashimura et al.

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