CN113767646A - 音频再现装置和音频设备 - Google Patents

音频再现装置和音频设备 Download PDF

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Publication number
CN113767646A
CN113767646A CN202080032614.1A CN202080032614A CN113767646A CN 113767646 A CN113767646 A CN 113767646A CN 202080032614 A CN202080032614 A CN 202080032614A CN 113767646 A CN113767646 A CN 113767646A
Authority
CN
China
Prior art keywords
audio
electrode layer
layer
reproduction apparatus
electrode
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.)
Withdrawn
Application number
CN202080032614.1A
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English (en)
Chinese (zh)
Inventor
中川俊之
大桥芳雄
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.)
Sony Group Corp
Original Assignee
Sony Group 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 Sony Group Corp filed Critical Sony Group Corp
Publication of CN113767646A publication Critical patent/CN113767646A/zh
Withdrawn legal-status Critical Current

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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
    • 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; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; 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)
CN202080032614.1A 2019-05-27 2020-04-03 音频再现装置和音频设备 Withdrawn CN113767646A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019-098438 2019-05-27
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
CN113767646A true CN113767646A (zh) 2021-12-07

Family

ID=73553391

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080032614.1A Withdrawn CN113767646A (zh) 2019-05-27 2020-04-03 音频再现装置和音频设备

Country Status (4)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2023048022A1 (https=) * 2021-09-24 2023-03-30

Citations (6)

* 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
US5796854A (en) * 1997-03-04 1998-08-18 Compaq Computer Corp. Thin film speaker apparatus for use in a thin film video monitor device
CN103843367A (zh) * 2012-08-30 2014-06-04 京瓷株式会社 声音产生器、声音产生装置及电子设备
JP2015070110A (ja) * 2013-09-30 2015-04-13 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
JP2016100760A (ja) * 2014-11-21 2016-05-30 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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05122793A (ja) * 1991-10-25 1993-05-18 Murata Mfg Co Ltd 圧電スピーカ
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
KR102668290B1 (ko) * 2018-12-11 2024-05-23 삼성디스플레이 주식회사 표시 장치와 그의 구동 방법

Patent Citations (6)

* 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
US5796854A (en) * 1997-03-04 1998-08-18 Compaq Computer Corp. Thin film speaker apparatus for use in a thin film video monitor device
CN103843367A (zh) * 2012-08-30 2014-06-04 京瓷株式会社 声音产生器、声音产生装置及电子设备
JP2015070110A (ja) * 2013-09-30 2015-04-13 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
JP2016100760A (ja) * 2014-11-21 2016-05-30 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

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Publication number Publication date
JPWO2020241049A1 (https=) 2020-12-03
WO2020241049A1 (ja) 2020-12-03
US20220210578A1 (en) 2022-06-30

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Application publication date: 20211207