Title:
SOT MODULE
Document Type and Number:
WIPO Patent Application WO/2023/084623
Kind Code:
A1
Abstract:
Provided is an SoT module 100 capable of attaining sufficient acoustic pressure in low to moderate acoustic ranges, and applicable in various uses. An SoT module 100 equipped with a flat, plate-shaped piezoelectric complex 105 for generating bending vibrations in response to the application of an AC voltage thereto, elastic bodies 120a, 120b which transmit the vibrations of the piezoelectric complex 105 and have one end thereof adhered to the main surface of the piezoelectric complex 105, and a vibrating plate 130, the main surface of which is adhered to the other end of the elastic bodies 120a, 120b, wherein the piezoelectric complex 105 includes piezoelectric elements 110a, 110b which are formed in a rectangular plate shape, and the center of gravity of the piezoelectric complex 105 is located between the plurality of elastic bodies 120a, 120b.
Inventors:
KIM KYUNGSU
OYAKAWA JUN
YAGI MICHIHIRO
NAKAMURA SHINOBU
OYAKAWA JUN
YAGI MICHIHIRO
NAKAMURA SHINOBU
Application Number:
PCT/JP2021/041263
Publication Date:
May 19, 2023
Filing Date:
November 10, 2021
Export Citation:
Assignee:
MICHIHIRO CO LTD (JP)
International Classes:
H04R1/02; G10K9/12; G10K9/122; H04R17/00
Domestic Patent References:
| WO2008146678A1 | 2008-12-04 | |||
| WO2007102305A1 | 2007-09-13 |
Foreign References:
| JP2021016118A | 2021-02-12 | |||
| JP2015149632A | 2015-08-20 | |||
| JP2020167360A | 2020-10-08 | |||
| JP3798678B2 | 2006-07-19 |
Attorney, Agent or Firm:
FUKUCHI Takeo (JP)
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