Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1978-05-08
1979-06-19
Budd, Mark O.
Electrical generator or motor structure
Dynamoelectric
Rotary
310319, 310321, 310323, 310326, H01L 4110, H02K 524
Patent
active
041587871
ABSTRACT:
Arrangements are disclosed for substantially reducing the effect of the inherent transducer capacitance in a transducer-coupled electromechanical system which is subject to vibrational movement. Electrical circuitry is coupled across the transducer output to provide a negative capacitance having a magnitude substantially the same as that of the inherent transducer capacitance, thereby substantially nullifying the inherent transducer capacitance and enabling improved damping (including low-noise damping) to be achieved.
REFERENCES:
patent: 2416337 (1947-02-01), Mason
patent: 3029356 (1962-04-01), Renaut
patent: 3179823 (1965-04-01), Nesh
patent: 3400284 (1968-09-01), Elazar
Budd Mark O.
Coble Paul M.
Hughes Aircraft Company
MacAllister W. H.
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