JPS6133509B2 - - Google Patents

Info

Publication number
JPS6133509B2
JPS6133509B2 JP8647181A JP8647181A JPS6133509B2 JP S6133509 B2 JPS6133509 B2 JP S6133509B2 JP 8647181 A JP8647181 A JP 8647181A JP 8647181 A JP8647181 A JP 8647181A JP S6133509 B2 JPS6133509 B2 JP S6133509B2
Authority
JP
Japan
Prior art keywords
electrode
diaphragm
diameter
organic protective
protective layer
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.)
Expired
Application number
JP8647181A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57202196A (en
Inventor
Takeshi Yamada
Seiichi Shirai
Yoshinori Fujimori
Toshiharu Nakagawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Nippon Telegraph and Telephone Corp
Original Assignee
Toshiba Corp
Nippon Telegraph and Telephone Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toshiba Corp, Nippon Telegraph and Telephone Corp filed Critical Toshiba Corp
Priority to JP8647181A priority Critical patent/JPS57202196A/ja
Publication of JPS57202196A publication Critical patent/JPS57202196A/ja
Publication of JPS6133509B2 publication Critical patent/JPS6133509B2/ja
Granted legal-status Critical Current

Links

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
    • H04R17/005—Piezoelectric transducers; Electrostrictive transducers using a piezoelectric polymer

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
JP8647181A 1981-06-05 1981-06-05 Piezoelectric type electroacoustic converter Granted JPS57202196A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8647181A JPS57202196A (en) 1981-06-05 1981-06-05 Piezoelectric type electroacoustic converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8647181A JPS57202196A (en) 1981-06-05 1981-06-05 Piezoelectric type electroacoustic converter

Publications (2)

Publication Number Publication Date
JPS57202196A JPS57202196A (en) 1982-12-10
JPS6133509B2 true JPS6133509B2 (enrdf_load_stackoverflow) 1986-08-02

Family

ID=13887870

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8647181A Granted JPS57202196A (en) 1981-06-05 1981-06-05 Piezoelectric type electroacoustic converter

Country Status (1)

Country Link
JP (1) JPS57202196A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04103228A (ja) * 1990-08-22 1992-04-06 Mitsubishi Electric Corp 無線中継装置と無線装置
JP2008532370A (ja) * 2005-02-24 2008-08-14 エプコス アクチエンゲゼルシャフト マイクロフォンダイアフラムおよびマイクロフォンダイアフラムを有するマイクロフォン
JP2024081715A (ja) * 2020-08-31 2024-06-18 エルジー ディスプレイ カンパニー リミテッド 振動装置およびそれを含む装置

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100411216C (zh) * 2003-12-31 2008-08-13 中国兵器工业集团第五三研究所 一种有机压电薄膜极化方法
JP2010140752A (ja) * 2008-12-11 2010-06-24 Nsk Ltd 発電素子
WO2013047872A1 (ja) * 2011-09-30 2013-04-04 富士フイルム株式会社 電気音響変換器および表示デバイス
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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04103228A (ja) * 1990-08-22 1992-04-06 Mitsubishi Electric Corp 無線中継装置と無線装置
JP2008532370A (ja) * 2005-02-24 2008-08-14 エプコス アクチエンゲゼルシャフト マイクロフォンダイアフラムおよびマイクロフォンダイアフラムを有するマイクロフォン
JP2024081715A (ja) * 2020-08-31 2024-06-18 エルジー ディスプレイ カンパニー リミテッド 振動装置およびそれを含む装置

Also Published As

Publication number Publication date
JPS57202196A (en) 1982-12-10

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