Title:
ELECTROACOUSTIC TRANSDUCER
Document Type and Number:
WIPO Patent Application WO/2018/221264
Kind Code:
A1
Abstract:
[Problem] To provide an electroacoustic transducer capable of selecting acoustic characteristics desired by a user. [Solution] An electroacoustic transducer according to one embodiment of the present invention is provided with: a housing; a piezo-electric sounder; and a movable member. The housing includes a sound guide path. The piezo-electric sounder includes: a first diaphragm having a peripheral edge portion; a piezo-electric element disposed on at least one surface of the first diaphragm; and one or more channel parts provided between the peripheral edge portion and the piezo-electric element. The piezo-electric sounder divides the inside of the housing into a first space section and a second space section via the channel part. The movable member has a support surface for providing support at the peripheral edge portion and is configured to be able to move the piezo-electric sounder relative to the housing.
More Like This:
| WO/2022/000317 | CONTROL METHOD, DEVICE AND READABLE STORAGE MEDIUM |
| JP2004527948 | headset |
Inventors:
ISHII SHIGEO (JP)
HAMADA HIROSHI (JP)
DOSHIDA YUTAKA (JP)
TOMITA TAKASHI (JP)
HAMADA HIROSHI (JP)
DOSHIDA YUTAKA (JP)
TOMITA TAKASHI (JP)
Application Number:
PCT/JP2018/019252
Publication Date:
December 06, 2018
Filing Date:
May 18, 2018
Export Citation:
Assignee:
TAIYO YUDEN KK (JP)
International Classes:
H04R1/10; H04R1/24; H04R17/00; H04R23/02
Foreign References:
| JP2016086399A | 2016-05-19 | |||
| US5729605A | 1998-03-17 | |||
| JP2011216992A | 2011-10-27 | |||
| JPS6057293U | 1985-04-22 | |||
| JPS54140729U | 1979-09-29 |
Download PDF: