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公开(公告)号：US10382858B1
公开(公告)日：2019-08-13
申请号：US15904628
申请日：2018-02-26
发明人： Ian R. Singer , Dargham Alyassiry , Runhong Deng
摘要： A vibration reduction assembly includes a mass and an actuator. The mass is configured to be attached to a rear plate or a frame of a speaker in a manner that allows the mass to move along a longitudinal axis of a pole of the rear plate. The mass is sized to yield a force that is equal in magnitude and opposite in direction relative to a force generated by moving components in the speaker and acoustic pressure of the speaker. In one example, the actuator is configured to move the mass in phase with movement of a voice coil of the speaker along the longitudinal axis of the pole and in an opposite direction than the voice coil movement. In another example, the actuator is configured to move the mass out of phase with the voice coil movement and in the same direction as the voice coil movement.
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公开(公告)号：US20190268690A1
公开(公告)日：2019-08-29
申请号：US15904628
申请日：2018-02-26
发明人： Ian R. Singer , Dargham Alyassiry , Runhong Deng
摘要： A vibration reduction assembly includes a mass and an actuator. The mass is configured to be attached to a rear plate or a frame of a speaker in a manner that allows the mass to move along a longitudinal axis of a pole of the rear plate. The mass is sized to yield a force that is equal in magnitude and opposite in direction relative to a force generated by moving components in the speaker and acoustic pressure of the speaker. In one example, the actuator is configured to move the mass in phase with movement of a voice coil of the speaker along the longitudinal axis of the pole and in an opposite direction than the voice coil movement. In another example, the actuator is configured to move the mass out of phase with the voice coil movement and in the same direction as the voice coil movement.
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