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Title:
ACOUSTIC APPARATUS
Document Type and Number:
WIPO Patent Application WO/2014/175464
Kind Code:
A1
Abstract:
Provided is an acoustic apparatus that can suppress a loss in comfort and sense of sound volume. The present invention is provided with a curved piezoelectric element (101) and a panel (102) that is directly bent and vibrated by the piezoelectric element (101). The panel (102) is provided with a concavity (104), and the concavity (104) is contacted to the ear of a user, causing the user to hear sounds.

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Inventors:
INAGAKI TOMOHIRO (JP)
Application Number:
PCT/JP2014/062035
Publication Date:
October 30, 2014
Filing Date:
April 23, 2014
Export Citation:
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Assignee:
KYOCERA CORP (JP)
International Classes:
H04R25/00; A61F11/00; H04R1/00; H04R1/10; H04R7/04; H04R17/00
Domestic Patent References:
WO2008029515A12008-03-13
Foreign References:
JP2013078116A2013-04-25
JP2003264882A2003-09-19
JP2007103989A2007-04-19
JP2009302815A2009-12-24
JP2007165938A2007-06-28
JP2012204855A2012-10-22
JP2006304147A2006-11-02
Other References:
See also references of EP 2991377A4
Attorney, Agent or Firm:
SUGIMURA, KENJI (JP)
Kenji Sugimura (JP)
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