JPWO2020241049A1 - - Google Patents

Info

Publication number
JPWO2020241049A1
JPWO2020241049A1 JP2021522669A JP2021522669A JPWO2020241049A1 JP WO2020241049 A1 JPWO2020241049 A1 JP WO2020241049A1 JP 2021522669 A JP2021522669 A JP 2021522669A JP 2021522669 A JP2021522669 A JP 2021522669A JP WO2020241049 A1 JPWO2020241049 A1 JP WO2020241049A1
Authority
JP
Japan
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
JP2021522669A
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 filed Critical
Publication of JPWO2020241049A1 publication Critical patent/JPWO2020241049A1/ja
Pending 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
    • 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
    • H04R7/045—Plane diaphragms using the distributed mode principle, i.e. whereby the acoustic radiation is emanated from uniformly distributed free bending wave vibration induced in a stiff panel and not from pistonic motion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/026—Supports for loudspeaker casings
    • 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
    • H04R2217/00—Details of magnetostrictive, piezoelectric, or electrostrictive transducers covered by H04R15/00 or H04R17/00 but not provided for in any of their subgroups
    • H04R2217/03—Parametric transducers where sound is generated or captured by the acoustic demodulation of amplitude modulated ultrasonic waves
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2440/00—Bending wave transducers covered by H04R, not provided for in its groups
    • H04R2440/05—Aspects relating to the positioning and way or means of mounting of exciters to resonant bending wave panels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
JP2021522669A 2019-05-27 2020-04-03 Pending JPWO2020241049A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019098438 2019-05-27
PCT/JP2020/015307 WO2020241049A1 (ja) 2019-05-27 2020-04-03 オーディオ再生装置及びオーディオデバイス

Publications (1)

Publication Number Publication Date
JPWO2020241049A1 true JPWO2020241049A1 (ja) 2020-12-03

Family

ID=73553391

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021522669A Pending JPWO2020241049A1 (ja) 2019-05-27 2020-04-03

Country Status (4)

Country Link
US (1) US20220210578A1 (ja)
JP (1) JPWO2020241049A1 (ja)
CN (1) CN113767646A (ja)
WO (1) WO2020241049A1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023048022A1 (ja) * 2021-09-24 2023-03-30 富士フイルム株式会社 圧電素子および圧電スピーカー

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4330730A (en) * 1980-03-27 1982-05-18 Eastman Kodak Company Wound piezoelectric polymer flexure devices
US4725994A (en) * 1984-06-14 1988-02-16 Kabushiki Kaisha Toshiba Ultrasonic transducer with a multiple-folded piezoelectric polymer film
JPH05122793A (ja) * 1991-10-25 1993-05-18 Murata Mfg Co Ltd 圧電スピーカ
US5796854A (en) * 1997-03-04 1998-08-18 Compaq Computer Corp. Thin film speaker apparatus for use in a thin film video monitor device
JPH11112046A (ja) * 1997-09-30 1999-04-23 Kyocera Corp 圧電アクチュエータ及びその製造方法
KR101507751B1 (ko) * 2012-08-30 2015-04-07 쿄세라 코포레이션 음향 발생기, 음향 발생 장치 및 전자 기기
JP6201583B2 (ja) * 2013-09-30 2017-09-27 株式会社村田製作所 圧電デバイスおよび圧電デバイスの製造方法
JP6367693B2 (ja) * 2014-11-21 2018-08-01 京セラ株式会社 圧電素子、圧電振動装置、音響発生器、音響発生装置および電子機器
KR102668290B1 (ko) * 2018-12-11 2024-05-23 삼성디스플레이 주식회사 표시 장치와 그의 구동 방법

Also Published As

Publication number Publication date
CN113767646A (zh) 2021-12-07
WO2020241049A1 (ja) 2020-12-03
US20220210578A1 (en) 2022-06-30

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