Active vibration attenuation

Electrical generator or motor structure – Dynamoelectric – Linear

Reexamination Certificate

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Details

C438S617000, C228S004500, C228S180500, C318S135000

Reexamination Certificate

active

06861771

ABSTRACT:
An apparatus and method are provided for attenuating vibration when driving an object. The apparatus includes a driving device for generating a driving force to drive the object and an attenuation actuator mounted in reciprocal relationship with the driving device for generating an attenuation force substantially concurrently with the generation of the driving force. The attenuation force is generated so as to oppose and at least partially cancel a reaction force exerted by the object in response to the driving force.

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patent: 4555052 (1985-11-01), Kurtz et al.
patent: 5208497 (1993-05-01), Ishii et al.
patent: 5231336 (1993-07-01), van Namen
patent: 6028376 (2000-02-01), Osanai et al.
patent: 6417914 (2002-07-01), Li
patent: 6668449 (2003-12-01), Rumsey et al.
patent: 6669076 (2003-12-01), Nogawa
patent: 6674085 (2004-01-01), Miura et al.

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