JP5195895B2 - 圧電発音部品 - Google Patents
圧電発音部品 Download PDFInfo
- Publication number
- JP5195895B2 JP5195895B2 JP2010289289A JP2010289289A JP5195895B2 JP 5195895 B2 JP5195895 B2 JP 5195895B2 JP 2010289289 A JP2010289289 A JP 2010289289A JP 2010289289 A JP2010289289 A JP 2010289289A JP 5195895 B2 JP5195895 B2 JP 5195895B2
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric
- resin sheet
- piezoelectric diaphragm
- diaphragm
- housing
- 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.)
- Active
Links
- 239000011347 resin Substances 0.000 claims description 33
- 229920005989 resin Polymers 0.000 claims description 33
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 230000000052 comparative effect Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 4
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 239000004642 Polyimide Substances 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052451 lead zirconate titanate Inorganic materials 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 1
- 239000004962 Polyamide-imide Substances 0.000 description 1
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229920002312 polyamide-imide Polymers 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000011115 styrene butadiene Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/16—Mounting or tensioning of diaphragms or cones
- H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
- H04R7/06—Plane diaphragms comprising a plurality of sections or layers
- H04R7/10—Plane diaphragms comprising a plurality of sections or layers comprising superposed layers in contact
Description
10…樹脂シート
10A…中央部
10B…周縁部
10a…第1の主面
10b…第2の主面
11…圧電振動板
11a〜11d…角部
12…筐体
12A1〜12A4…支持部
12a…第1の筐体片
12b…第2の筐体片
Claims (3)
- 樹脂シートと、
前記樹脂シートの周縁部を除く中央部の少なくとも一部の上に取り付けられており、屈曲振動する多角形状の圧電振動板と、
前記樹脂シートの周縁部を保持する筐体と、
を備え、
前記筐体は、前記圧電振動板の角部を支持するように構成されている、圧電発音部品。 - 前記筐体は、前記樹脂シートの前記圧電振動板側に配置された第1の筐体片と、前記樹脂シートの前記圧電振動板とは反対側に配置されており、前記第1の筐体片と共に前記樹脂シートの周縁部を挟持する第2の筐体片とを有し、
前記第2の筐体片が、前記圧電振動板の角部と重なるように構成されている一方、前記第1の筐体片は、前記圧電振動板の角部に重ならないように構成されている、請求項1に記載の圧電発音部品。 - 前記圧電振動板が矩形状である、請求項1または2に記載の圧電発音部品。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010289289A JP5195895B2 (ja) | 2010-12-27 | 2010-12-27 | 圧電発音部品 |
EP20110194030 EP2469889A2 (en) | 2010-12-27 | 2011-12-16 | Piezoelectric sound component |
US13/336,169 US8942393B2 (en) | 2010-12-27 | 2011-12-23 | Piezoelectric sound component |
CN2011104437273A CN102547541A (zh) | 2010-12-27 | 2011-12-26 | 压电发声元件 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010289289A JP5195895B2 (ja) | 2010-12-27 | 2010-12-27 | 圧電発音部品 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012138733A JP2012138733A (ja) | 2012-07-19 |
JP5195895B2 true JP5195895B2 (ja) | 2013-05-15 |
Family
ID=45442868
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010289289A Active JP5195895B2 (ja) | 2010-12-27 | 2010-12-27 | 圧電発音部品 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8942393B2 (ja) |
EP (1) | EP2469889A2 (ja) |
JP (1) | JP5195895B2 (ja) |
CN (1) | CN102547541A (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014034208A1 (ja) * | 2012-08-30 | 2014-03-06 | 京セラ株式会社 | 音響発生器、音響発生装置および電子機器 |
CN104054356B (zh) * | 2012-09-26 | 2017-08-04 | 京瓷株式会社 | 音响发生器、音响发生装置以及电子设备 |
JP5993772B2 (ja) * | 2013-03-28 | 2016-09-14 | 富士フイルム株式会社 | 電気音響変換フィルム、フレキシブルディスプレイ、声帯マイクロフォンおよび楽器用センサー |
JP5685703B1 (ja) * | 2013-09-20 | 2015-03-18 | 新シコー科技株式会社 | リニア駆動装置、リニア駆動装置を用いた電子機器及び身体装着品 |
TWI527471B (zh) | 2014-03-14 | 2016-03-21 | 財團法人工業技術研究院 | 壓電電聲換能器 |
TWI533714B (zh) | 2014-04-18 | 2016-05-11 | 財團法人工業技術研究院 | 壓電電聲換能器 |
KR102012860B1 (ko) * | 2015-06-17 | 2019-08-21 | 다이-이치 세이코 가부시키가이샤 | 이어폰 |
CN108111946B (zh) * | 2015-06-29 | 2019-08-20 | Oppo广东移动通信有限公司 | 振动发声结构及终端 |
JP7268477B2 (ja) * | 2019-05-20 | 2023-05-08 | Tdk株式会社 | 音響デバイス |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5221364B2 (ja) * | 1971-11-04 | 1977-06-10 | ||
JPH11113094A (ja) * | 1997-10-03 | 1999-04-23 | Megasera:Kk | 圧電スピーカ |
JP3882890B2 (ja) | 2001-10-19 | 2007-02-21 | 株式会社村田製作所 | 圧電型電気音響変換器 |
JP3925414B2 (ja) | 2002-04-26 | 2007-06-06 | 株式会社村田製作所 | 圧電型電気音響変換器 |
JP4564879B2 (ja) * | 2005-04-19 | 2010-10-20 | 靖男 大森 | 圧電振動素子及び該圧電振動素子を備えた音声変換装置 |
EP1988741A4 (en) | 2006-02-21 | 2014-11-05 | Murata Manufacturing Co | PIEZOELECTRIC SOUND BODY |
KR101654379B1 (ko) | 2009-05-25 | 2016-09-05 | 파나소닉 아이피 매니지먼트 가부시키가이샤 | 압전형 음향 변환기 |
-
2010
- 2010-12-27 JP JP2010289289A patent/JP5195895B2/ja active Active
-
2011
- 2011-12-16 EP EP20110194030 patent/EP2469889A2/en not_active Withdrawn
- 2011-12-23 US US13/336,169 patent/US8942393B2/en active Active
- 2011-12-26 CN CN2011104437273A patent/CN102547541A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
JP2012138733A (ja) | 2012-07-19 |
EP2469889A2 (en) | 2012-06-27 |
US8942393B2 (en) | 2015-01-27 |
US20120163638A1 (en) | 2012-06-28 |
CN102547541A (zh) | 2012-07-04 |
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