CN115176308B - 压电发声部件 - Google Patents

压电发声部件 Download PDF

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Publication number
CN115176308B
CN115176308B CN202180017345.6A CN202180017345A CN115176308B CN 115176308 B CN115176308 B CN 115176308B CN 202180017345 A CN202180017345 A CN 202180017345A CN 115176308 B CN115176308 B CN 115176308B
Authority
CN
China
Prior art keywords
wall portion
vibrating plate
piezoelectric
protrusion
piezoelectric vibrating
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
Application number
CN202180017345.6A
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English (en)
Chinese (zh)
Other versions
CN115176308A (zh
Inventor
山内政和
萨赫特本·基塔亚瓦尼奇
蓬萨科恩·苏林图姆
草开重雅
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.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co Ltd
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 Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Publication of CN115176308A publication Critical patent/CN115176308A/zh
Application granted granted Critical
Publication of CN115176308B publication Critical patent/CN115176308B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
    • G10K9/122—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using piezoelectric driving means
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/20—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/80—Constructional details
    • H10N30/85—Piezoelectric or electrostrictive active materials
    • H10N30/853—Ceramic compositions
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/80—Constructional details
    • H10N30/87—Electrodes or interconnections, e.g. leads or terminals
    • H10N30/872—Interconnections, e.g. connection electrodes of multilayer piezoelectric or electrostrictive devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Multimedia (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
CN202180017345.6A 2020-07-09 2021-03-09 压电发声部件 Active CN115176308B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020-118493 2020-07-09
JP2020118493 2020-07-09
PCT/JP2021/009308 WO2022009473A1 (ja) 2020-07-09 2021-03-09 圧電発音部品

Publications (2)

Publication Number Publication Date
CN115176308A CN115176308A (zh) 2022-10-11
CN115176308B true CN115176308B (zh) 2025-04-29

Family

ID=79553260

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202180017345.6A Active CN115176308B (zh) 2020-07-09 2021-03-09 压电发声部件

Country Status (4)

Country Link
US (1) US12200441B2 (https=)
JP (1) JP7417206B2 (https=)
CN (1) CN115176308B (https=)
WO (1) WO2022009473A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI863020B (zh) * 2022-11-08 2024-11-21 音賜股份有限公司 電聲裝置及其電路板端蓋
KR20240145195A (ko) * 2023-03-27 2024-10-07 엘지디스플레이 주식회사 음향 장치 및 이를 포함하는 운송 장치

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108141675A (zh) * 2016-09-28 2018-06-08 株式会社村田制作所 压电发声部件
CN108140373A (zh) * 2016-09-28 2018-06-08 株式会社村田制作所 压电发声部件及其制造方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0713038Y2 (ja) 1988-03-17 1995-03-29 ティーディーケイ株式会社 圧電ブザー
JPH075520Y2 (ja) 1988-09-09 1995-02-08 ティーディーケイ株式会社 圧電ブザー
JPH0610399Y2 (ja) * 1988-10-15 1994-03-16 太陽誘電株式会社 圧電ブザー
JP2516993Y2 (ja) 1990-11-22 1996-11-13 北陸電気工業株式会社 圧電振動装置
JPH08123426A (ja) * 1994-10-19 1996-05-17 Hokuriku Electric Ind Co Ltd 圧電サウンダ
JPH0844368A (ja) * 1995-05-29 1996-02-16 Hokuriku Electric Ind Co Ltd 圧電ブザーとその製造方法
JP3277759B2 (ja) 1995-06-29 2002-04-22 株式会社村田製作所 圧電ブザーの製造方法
JPH10224894A (ja) * 1997-02-10 1998-08-21 Taiyo Yuden Co Ltd 圧電音響装置
JPH1152958A (ja) * 1997-08-05 1999-02-26 Murata Mfg Co Ltd 圧電型電気音響変換器
JP2000333296A (ja) 1999-05-20 2000-11-30 Matsushita Electric Ind Co Ltd 圧電発音体
JP5810328B2 (ja) * 2010-03-29 2015-11-11 パナソニックＩｐマネジメント株式会社 圧電型音響変換器
JP5578218B2 (ja) * 2012-09-25 2014-08-27 Ｔｄｋ株式会社 圧電サウンダ

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108141675A (zh) * 2016-09-28 2018-06-08 株式会社村田制作所 压电发声部件
CN108140373A (zh) * 2016-09-28 2018-06-08 株式会社村田制作所 压电发声部件及其制造方法

Also Published As

Publication number Publication date
CN115176308A (zh) 2022-10-11
US12200441B2 (en) 2025-01-14
US20230016891A1 (en) 2023-01-19
WO2022009473A1 (ja) 2022-01-13
JPWO2022009473A1 (https=) 2022-01-13
JP7417206B2 (ja) 2024-01-18

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