Electromechanical resonator

Details Electromechanical resonator Electromechanical resonator

1975-10-22

1977-08-23

Duggan, Donovan F.

Electricity: motive power systems

Reciprocating or oscillating motor

Energizing winding circuit control

310 25, 58 23TF, 350 6, H02K 3300

Patent

active

040442837

ABSTRACT:
An electromechanical resonator is disclosed for use in optical scanning systems. The resonator comprises a torsionally resonant system including a torsion rod having one end fixed to a nodal zone member and an oscillatory mass at the free end. A flexurally resonant system includes a pair of oppositely disposed flexure arms extending transversely of the torsional axis and having their inner ends fixed to the nodal zone member. The nodal zone member is suspended by a coupling spring from a frame member and the coupling spring permits energy transfer from the flexurally resonant system to the torsional resonant system through nodal zone member. The resonant systems are maintained in oscillation by electrodynamic means coupled with the flexure arms.

REFERENCES:
patent: 3308313 (1967-03-01), Favre
patent: 3428879 (1969-02-01), Marti
patent: 3431808 (1969-03-01), Oudet et al.
patent: 3491258 (1970-01-01), Siefert
patent: 3609485 (1971-09-01), Dostal
patent: 3642344 (1972-02-01), Corker
patent: 3666974 (1972-05-01), Dostal
patent: 3678308 (1972-07-01), Howe
patent: 3921045 (1975-11-01), Reich et al.

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