JP2006148612A5 - - Google Patents

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Publication number
JP2006148612A5
JP2006148612A5 JP2004336843A JP2004336843A JP2006148612A5 JP 2006148612 A5 JP2006148612 A5 JP 2006148612A5 JP 2004336843 A JP2004336843 A JP 2004336843A JP 2004336843 A JP2004336843 A JP 2004336843A JP 2006148612 A5 JP2006148612 A5 JP 2006148612A5
Authority
JP
Japan
Prior art keywords
layer
acoustic device
vibration film
fixed pole
water repellent
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2004336843A
Other languages
English (en)
Other versions
JP2006148612A (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP2004336843A priority Critical patent/JP2006148612A/ja
Priority claimed from JP2004336843A external-priority patent/JP2006148612A/ja
Publication of JP2006148612A publication Critical patent/JP2006148612A/ja
Publication of JP2006148612A5 publication Critical patent/JP2006148612A5/ja
Pending legal-status Critical Current

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Claims (2)

  1. 振動膜と、当該振動膜との間に空隙部を含むように積層された導電性を有する固定極層と、固定極層における振動膜と反対側に設けられた多孔質層と含む音響装置において、
    前記多孔質層の少なくとも一方の面及び又は厚み方向中間部に撥水層を設けたことを特徴とする音響装置。
  2. 前記撥水層より外側には、水蒸気を吸収する捕水層が設けられていることを特徴とする請求項１記載の音響装置。
JP2004336843A 2004-11-22 2004-11-22 音響装置 Pending JP2006148612A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004336843A JP2006148612A (ja) 2004-11-22 2004-11-22 音響装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004336843A JP2006148612A (ja) 2004-11-22 2004-11-22 音響装置

Publications (2)

Publication Number Publication Date
JP2006148612A JP2006148612A (ja) 2006-06-08
JP2006148612A5 true JP2006148612A5 (ja) 2007-12-13

Family

ID=36627774

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004336843A Pending JP2006148612A (ja) 2004-11-22 2004-11-22 音響装置

Country Status (1)

Country Link
JP (1) JP2006148612A (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4862700B2 (ja) * 2007-03-12 2012-01-25 ヤマハ株式会社 静電型スピーカ
JP4998299B2 (ja) * 2008-02-04 2012-08-15 ヤマハ株式会社 静電型スピーカ
JP2009278479A (ja) * 2008-05-16 2009-11-26 Foster Electric Co Ltd 静電型スピーカ
JP5380960B2 (ja) * 2008-09-08 2014-01-08 ヤマハ株式会社 静電型スピーカ
JP5545091B2 (ja) * 2010-07-14 2014-07-09 ヤマハ株式会社 静電型スピーカ
US8885853B2 (en) 2010-07-09 2014-11-11 Yamaha Corporation Electrostatic loudspeaker
JP5663986B2 (ja) * 2010-07-09 2015-02-04 ヤマハ株式会社 静電型スピーカ
US8502062B2 (en) 2010-07-12 2013-08-06 Yamaha Corporation Electronic keyboard musical instrument
JP5201247B2 (ja) * 2011-08-01 2013-06-05 ヤマハ株式会社 静電型スピーカ

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS609300A (ja) * 1983-06-29 1985-01-18 Toshiba Corp 静電型電気音響変換器およびその製造方法
JPS6174498A (ja) * 1984-09-20 1986-04-16 Toshiba Corp 静電型電気音響変換器
JPH05308784A (ja) * 1992-04-28 1993-11-19 Mitsubishi Kasei Corp 静電アクチュエータ
FI115598B (fi) * 1998-04-27 2005-05-31 Panphonics Oy Akustinen elementti
WO2002065451A1 (en) * 2001-02-14 2002-08-22 Intellimats, Llc. Floor mat with voice-responsive display
FI20010766A0 (fi) * 2001-04-11 2001-04-11 Panphonics Oy Sähkömekaaninen muunnin ja menetelmä energioiden muuntamiseksi

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