Electricity: motive power systems – Reciprocating or oscillating motor – Energizing winding circuit control
Patent
1977-04-06
1982-12-14
Duggan, Donovan F.
Electricity: motive power systems
Reciprocating or oscillating motor
Energizing winding circuit control
310 36, 350 65, 335229, H02K 3300
Patent
active
043640001
ABSTRACT:
A device for reciprocally rotating an output element such as a scanning mirror by means of an electric motor employs a two-degree-of-freedom suspension in which the motor armature is constrained by a first torsional suspension and the output element is supported from the armature by an independent second suspension. The resonant frequency of the armature and its suspension is substantially equal to the resonant frequency of the output element and its suspension.
REFERENCES:
patent: 3642344 (1972-02-01), Corker
patent: 3678308 (1972-07-01), Howe
patent: 3952217 (1976-04-01), Rawlings
Duggan Donovan F.
MFE Corporation
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