CN113508605B - 电声换能器 - Google Patents

电声换能器 Download PDF

Info

Publication number
CN113508605B
CN113508605B CN202080018297.8A CN202080018297A CN113508605B CN 113508605 B CN113508605 B CN 113508605B CN 202080018297 A CN202080018297 A CN 202080018297A CN 113508605 B CN113508605 B CN 113508605B
Authority
CN
China
Prior art keywords
piezoelectric
exciter
electroacoustic transducer
layer
thickness
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
CN202080018297.8A
Other languages
English (en)
Chinese (zh)
Other versions
CN113508605A (zh
Inventor
三好哲
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.)
Fujifilm Corp
Original Assignee
Fujifilm 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 Fujifilm Corp filed Critical Fujifilm Corp
Publication of CN113508605A publication Critical patent/CN113508605A/zh
Application granted granted Critical
Publication of CN113508605B publication Critical patent/CN113508605B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/005—Piezoelectric transducers; Electrostrictive transducers using a piezoelectric polymer
    • 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
    • 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
    • H10N30/01—Manufacture or treatment
    • H10N30/05—Manufacture of multilayered piezoelectric or electrostrictive devices, or parts thereof, e.g. by stacking piezoelectric bodies and electrodes
    • H10N30/057—Manufacture of multilayered piezoelectric or electrostrictive devices, or parts thereof, e.g. by stacking piezoelectric bodies and electrodes by stacking bulk piezoelectric or electrostrictive bodies and electrodes
    • 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
    • H10N30/50—Piezoelectric or electrostrictive devices having a stacked or multilayer structure
    • 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
    • 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
    • H10N30/852—Composite materials, e.g. having 1-3 or 2-2 type connectivity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2270/00—Problem solutions or means not otherwise provided for
    • B60L2270/42—Means to improve acoustic vehicle detection by humans
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/13—Acoustic transducers and sound field adaptation in vehicles
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/15—Transducers incorporated in visual displaying devices, e.g. televisions, computer displays, laptops

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Multimedia (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
CN202080018297.8A 2019-03-07 2020-02-07 电声换能器 Active CN113508605B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2019041572 2019-03-07
JP2019-041572 2019-03-07
JP2019-149322 2019-08-16
JP2019149322 2019-08-16
PCT/JP2020/004849 WO2020179353A1 (ja) 2019-03-07 2020-02-07 電気音響変換器

Publications (2)

Publication Number Publication Date
CN113508605A CN113508605A (zh) 2021-10-15
CN113508605B true CN113508605B (zh) 2023-05-09

Family

ID=72336898

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080018297.8A Active CN113508605B (zh) 2019-03-07 2020-02-07 电声换能器

Country Status (7)

Country Link
US (1) US20210400395A1 (enExample)
EP (1) EP3937511A4 (enExample)
JP (2) JP7166428B2 (enExample)
KR (1) KR102633884B1 (enExample)
CN (1) CN113508605B (enExample)
TW (1) TW202034709A (enExample)
WO (1) WO2020179353A1 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112970128A (zh) 2018-11-08 2021-06-15 富士胶片株式会社 层叠压电元件及电声转换器
TWI714319B (zh) * 2019-10-28 2020-12-21 錼創顯示科技股份有限公司 微型發光二極體裝置
KR102787617B1 (ko) * 2020-10-21 2025-03-26 엘지디스플레이 주식회사 진동장치 및 이를 포함하는 장치
TWI839086B (zh) * 2020-12-22 2024-04-11 南韓商樂金顯示科技股份有限公司 振動裝置以及包含其的電子裝置
CN116783902A (zh) 2021-01-08 2023-09-19 富士胶片株式会社 压电薄膜
WO2022202195A1 (ja) 2021-03-26 2022-09-29 富士フイルム株式会社 圧電フィルム
WO2024009658A1 (ja) * 2022-07-08 2024-01-11 富士フイルム株式会社 電気音響変換器

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140068121A (ko) * 2011-09-30 2014-06-05 후지필름 가부시키가이샤 전기 음향 변환 필름, 플렉시블 디스플레이, 성대 마이크로폰 및 악기용 센서

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP2006229506A (ja) * 2005-02-16 2006-08-31 Citizen Electronics Co Ltd 平面スピーカ用エキサイタの固定構造
CN101336562B (zh) * 2005-12-27 2012-11-28 日本电气株式会社 压电致动器及电子装置
JP4960765B2 (ja) 2007-05-22 2012-06-27 日本放送協会 フレキシブルスピーカの音質補正装置および音質補正装置を備えたスピーカシステム
JP5741580B2 (ja) * 2010-07-23 2015-07-01 日本電気株式会社 発振装置
WO2014112241A1 (ja) * 2013-01-15 2014-07-24 東洋ゴム工業株式会社 高分子アクチュエータ
JP2014168132A (ja) * 2013-01-31 2014-09-11 Teijin Ltd 高分子圧電スピーカー
JP6005089B2 (ja) 2013-03-29 2016-10-12 富士フイルム株式会社 電気音響変換フィルム
JP6199245B2 (ja) 2014-06-30 2017-09-20 富士フイルム株式会社 電気音響変換フィルムおよび電気音響変換フィルムの導通方法
JP6216884B2 (ja) * 2014-06-30 2017-10-18 富士フイルム株式会社 電気音響変換フィルムおよびデジタルスピーカ
JP6297204B2 (ja) * 2015-03-12 2018-03-20 富士フイルム株式会社 高分子複合圧電体、電気音響変換フィルムおよび電気音響変換器
WO2017069057A1 (ja) * 2015-10-22 2017-04-27 富士フイルム株式会社 電気音響変換器
CN112970128A (zh) * 2018-11-08 2021-06-15 富士胶片株式会社 层叠压电元件及电声转换器
KR20220140577A (ko) * 2020-03-30 2022-10-18 후지필름 가부시키가이샤 적층 압전 소자

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140068121A (ko) * 2011-09-30 2014-06-05 후지필름 가부시키가이샤 전기 음향 변환 필름, 플렉시블 디스플레이, 성대 마이크로폰 및 악기용 센서

Also Published As

Publication number Publication date
JP7166428B2 (ja) 2022-11-07
CN113508605A (zh) 2021-10-15
TW202034709A (zh) 2020-09-16
KR102633884B1 (ko) 2024-02-05
JP2022188296A (ja) 2022-12-20
EP3937511A4 (en) 2022-04-27
US20210400395A1 (en) 2021-12-23
EP3937511A1 (en) 2022-01-12
JPWO2020179353A1 (enExample) 2020-09-10
KR20210121209A (ko) 2021-10-07
WO2020179353A1 (ja) 2020-09-10
JP7470765B2 (ja) 2024-04-18

Similar Documents

Publication Publication Date Title
JP7506773B2 (ja) 積層圧電素子および電気音響変換器
JP7137690B2 (ja) 圧電フィルム、積層圧電素子および電気音響変換器
CN113508605B (zh) 电声换能器
JP7143524B2 (ja) 高分子複合圧電体および圧電フィルム
JP7265625B2 (ja) 電気音響変換フィルムおよび電気音響変換器
US11778913B2 (en) Piezoelectric film, laminated piezoelectric element, and electroacoustic transducer
CN115280526A (zh) 层叠压电元件
CN115700063A (zh) 压电元件
JP7286790B2 (ja) 圧電素子
JP7177268B2 (ja) 高分子複合圧電体および圧電フィルム
WO2024009774A1 (ja) 画像表示装置
WO2023181699A1 (ja) 電気音響変換器
WO2023166892A1 (ja) 電気音響変換器
WO2022190729A1 (ja) 積層圧電素子

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant