Title:
SOUND OUTPUT DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/019004
Kind Code:
A1
Abstract:
A sound output device equipped with an actuator for outputting drive force according to a drive signal, a vibrating body which has a plurality of receiving parts and vibrates as a result of the drive force transmitted from the actuator, a transmission plate provided with a plurality of pressing parts for pressing on the plurality of receiving parts, a coil spring for imparting a biasing force on the transmission plate and pressing the plurality of pressing parts against the plurality of receiving parts, and a base body for receiving one end surface of the actuator, wherein the vibrating body is pressed against the other end surface of the actuator as a result of the biasing force of the coil spring which is applied via the plurality of pressing parts and the plurality of receiving parts.
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Inventors:
ENDOH TAKUMI (JP)
SUZUKI NOBUKAZU (JP)
SEKI TAKAYOSHI (JP)
SUZUKI NOBUKAZU (JP)
SEKI TAKAYOSHI (JP)
Application Number:
PCT/JP2021/022574
Publication Date:
January 27, 2022
Filing Date:
June 14, 2021
Export Citation:
Assignee:
SONY GROUP CORP (JP)
International Classes:
H04R7/12; H04R17/00
Domestic Patent References:
| WO2016103931A1 | 2016-06-30 |
Foreign References:
| JP2009164991A | 2009-07-23 | |||
| US8724833B1 | 2014-05-13 |
Attorney, Agent or Firm:
IWATA, Masanobu et al. (JP)
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