CN114175676A - 静电换能器和隔膜 - Google Patents

静电换能器和隔膜 Download PDF

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Publication number
CN114175676A
CN114175676A CN202080034266.1A CN202080034266A CN114175676A CN 114175676 A CN114175676 A CN 114175676A CN 202080034266 A CN202080034266 A CN 202080034266A CN 114175676 A CN114175676 A CN 114175676A
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CN
China
Prior art keywords
insulating layer
insulating
layer
composite
conductive
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.)
Pending
Application number
CN202080034266.1A
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English (en)
Chinese (zh)
Inventor
本杰明·利斯勒
朱利安·福德汉姆
詹姆斯·赫德格斯
戴维·路易斯
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.)
WARWICK AUDIO TECHNOLOGIES Ltd
Original Assignee
WARWICK AUDIO TECHNOLOGIES Ltd
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Filing date
Publication date
Application filed by WARWICK AUDIO TECHNOLOGIES Ltd filed Critical WARWICK AUDIO TECHNOLOGIES Ltd
Publication of CN114175676A publication Critical patent/CN114175676A/zh
Pending 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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • H04R7/06—Plane diaphragms comprising a plurality of sections or layers
    • H04R7/10—Plane diaphragms comprising a plurality of sections or layers comprising superposed layers in contact
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00—Electrostatic transducers
    • H04R19/02—Loudspeakers
    • 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
    • H04R31/003—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor for diaphragms or their outer suspension
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2207/00—Details of diaphragms or cones for electromechanical transducers or their suspension covered by H04R7/00 but not provided for in H04R7/00 or in H04R2307/00
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
    • H04R2307/025—Diaphragms comprising polymeric materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Manufacturing & Machinery (AREA)
  • Laminated Bodies (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
CN202080034266.1A 2019-05-07 2020-05-07 静电换能器和隔膜 Pending CN114175676A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB1906425.2 2019-05-07
GBGB1906425.2A GB201906425D0 (en) 2019-05-07 2019-05-07 Electrostatic transducer and diaphragm
PCT/GB2020/051134 WO2020225573A1 (en) 2019-05-07 2020-05-07 Electrostatic transducer and diaphragm

Publications (1)

Publication Number Publication Date
CN114175676A true CN114175676A (zh) 2022-03-11

Family

ID=67384985

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080034266.1A Pending CN114175676A (zh) 2019-05-07 2020-05-07 静电换能器和隔膜

Country Status (6)

Country Link
US (3) US11825265B2 (cg-RX-API-DMAC7.html)
EP (1) EP3967058A1 (cg-RX-API-DMAC7.html)
JP (2) JP2022531856A (cg-RX-API-DMAC7.html)
CN (1) CN114175676A (cg-RX-API-DMAC7.html)
GB (1) GB201906425D0 (cg-RX-API-DMAC7.html)
WO (1) WO2020225573A1 (cg-RX-API-DMAC7.html)

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CN106165449A (zh) * 2014-02-11 2016-11-23 沃威音响技术有限公司 改进的静电式换能器
JP2018129859A (ja) * 2018-04-12 2018-08-16 パイオニア株式会社 スピーカ装置用振動板、及び、スピーカ装置用振動板の製造方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5600610A (en) * 1995-01-31 1997-02-04 Gas Research Institute Electrostatic transducer and method for manufacturing same
CN1909747A (zh) * 2005-08-03 2007-02-07 精工爱普生株式会社 静电型超声波换能器、其电极的制造方法、超声波扬声器
US20070127746A1 (en) * 2005-12-07 2007-06-07 Seiko Epson Corporation Drive control method of electrostatic-type ultrasonic transducer, electrostatic-type ultrasonic transducer, ultrasonic speaker using electrostatic-type ultrasonic transducer, audio signal reproducing method, superdirectional acoustic system, and display
CN101385392A (zh) * 2006-03-20 2009-03-11 沃福森微电子股份有限公司 Mems器件
JP2007318405A (ja) * 2006-05-25 2007-12-06 Pioneer Electronic Corp 電気音響変換器用振動板
CN106165449A (zh) * 2014-02-11 2016-11-23 沃威音响技术有限公司 改进的静电式换能器
JP2018129859A (ja) * 2018-04-12 2018-08-16 パイオニア株式会社 スピーカ装置用振動板、及び、スピーカ装置用振動板の製造方法

Also Published As

Publication number Publication date
US11825265B2 (en) 2023-11-21
US12155996B2 (en) 2024-11-26
US20230421967A1 (en) 2023-12-28
US20220210579A1 (en) 2022-06-30
GB201906425D0 (en) 2019-06-19
JP2025098218A (ja) 2025-07-01
WO2020225573A1 (en) 2020-11-12
JP2022531856A (ja) 2022-07-12
US20250048039A1 (en) 2025-02-06
EP3967058A1 (en) 2022-03-16

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