Speaker drive unit, speaker apparatus, and speaker driving method

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United States of America Patent

PATENT NO 11477572
APP PUB NO 20210352407A1
SERIAL NO

17277789

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A speaker drive unit includes a control signal generation unit and a signal processing unit. The control signal generation unit generates a control signal on the basis of detection signals generated by a plurality of detection units that is disposed in one-to-one correspondence with a plurality of actuators that vibrates a diaphragm, and detects vibration conditions. The signal processing unit includes a plurality of signal systems corresponding one-to-one to the plurality of actuators. The signal systems provide a drive signal to the corresponding actuators on the basis of the same audio signal. The drive signal generated by at least one signal system of the signal systems is controlled by the control signal.

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Patent Owner(s)

  • SONY CORPORATION OF JAPAN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kamata, Masaki Tokyo, JP 11 16
Kuroda, Yoshiyuki Tokyo, JP 19 6
Shinmen, Naoki Tokyo, JP 18 51
Yoneda, Michiaki Tokyo, JP 46 1099

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