CN114830685A - 收音装置 - Google Patents

收音装置 Download PDF

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Publication number
CN114830685A
CN114830685A CN202080086601.2A CN202080086601A CN114830685A CN 114830685 A CN114830685 A CN 114830685A CN 202080086601 A CN202080086601 A CN 202080086601A CN 114830685 A CN114830685 A CN 114830685A
Authority
CN
China
Prior art keywords
sound
acoustic
microphone
helmholtz resonator
resonator
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
CN202080086601.2A
Other languages
English (en)
Chinese (zh)
Inventor
寺岛友树
松村俊之
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.)
Panasonic Intellectual Property Corp of America
Original Assignee
Panasonic Intellectual Property Corp of America
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 Panasonic Intellectual Property Corp of America filed Critical Panasonic Intellectual Property Corp of America
Publication of CN114830685A publication Critical patent/CN114830685A/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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • 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
    • H04R19/005—Electrostatic transducers using semiconductor materials
    • 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
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects
    • 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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
    • 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
    • H04R19/04—Microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/003—Mems transducers or their use

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Multimedia (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
CN202080086601.2A 2020-01-27 2020-10-09 收音装置 Pending CN114830685A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020-010863 2020-01-27
JP2020010863 2020-01-27
PCT/JP2020/038239 WO2021152922A1 (ja) 2020-01-27 2020-10-09 収音装置

Publications (1)

Publication Number Publication Date
CN114830685A true CN114830685A (zh) 2022-07-29

Family

ID=77078491

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080086601.2A Pending CN114830685A (zh) 2020-01-27 2020-10-09 收音装置

Country Status (4)

Country Link
US (1) US12200431B2 (https=)
JP (1) JP7713392B2 (https=)
CN (1) CN114830685A (https=)
WO (1) WO2021152922A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118382045A (zh) * 2024-06-20 2024-07-23 瑞声光电科技(常州)有限公司 一种扬声器

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4024890B8 (en) * 2020-12-31 2025-01-22 GN Hearing A/S Microphone assembly with acoustic filter
KR20230024880A (ko) * 2021-08-11 2023-02-21 썬전 샥 컴퍼니 리미티드 마이크로폰
US20250113138A1 (en) * 2023-09-29 2025-04-03 Apple Inc. Wideband Sub-Wavelength Chip-Scale Acoustic Wave Attenuators

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1363550A (en) * 1971-12-20 1974-08-14 Ibm Electro-acoustic transducer device
US20110158452A1 (en) * 2009-12-30 2011-06-30 Foxconn Technology Co., Ltd. Microphone module with helmholtz resonance chamber
US20130034257A1 (en) * 2011-08-02 2013-02-07 Robert Bosch Gmbh Mems microphone
CN102934464A (zh) * 2010-06-01 2013-02-13 船井电机株式会社 麦克风单元以及设有该麦克风单元的声音输入装置
WO2018193109A1 (de) * 2017-04-21 2018-10-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Mems-wandler zum interagieren mit einem volumenstrom eines fluids und verfahren zum herstellen desselben
US20190141438A1 (en) * 2017-11-06 2019-05-09 Bose Corporation Microphone Cavity

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998051122A1 (en) * 1997-05-08 1998-11-12 Ericsson Inc. Horn loaded microphone with helmholtz resonator attenuator
US7280855B2 (en) * 2005-06-28 2007-10-09 Research In Motion Limited Microphone coupler for a communication device
US20130070950A1 (en) * 2009-12-30 2013-03-21 Hwang-Miaw Chen Microphone module with helmholtz resonance chamber
JP5636796B2 (ja) * 2010-08-02 2014-12-10 船井電機株式会社 マイクロホンユニット
US9351084B2 (en) * 2014-07-14 2016-05-24 Invensense, Inc. Packaging concept to improve performance of a micro-electro mechanical (MEMS) microphone
CN104822117B (zh) * 2015-05-06 2018-08-03 歌尔股份有限公司 一种mems麦克风的封装结构
WO2017068711A1 (ja) * 2015-10-23 2017-04-27 株式会社日立製作所 Ｍｅｍｓ装置
JP6540498B2 (ja) 2015-12-21 2019-07-10 富士通株式会社 電子機器
CN109327777B (zh) * 2018-11-01 2020-11-24 歌尔股份有限公司 声学模组和电子产品
US11051094B2 (en) * 2019-10-25 2021-06-29 Shore Acquisition Holdings, Inc. Interchangeable port acoustical cap for microphones
CN213718168U (zh) * 2019-12-30 2021-07-16 美商楼氏电子有限公司 传感器组件
EP4024890B8 (en) * 2020-12-31 2025-01-22 GN Hearing A/S Microphone assembly with acoustic filter
EP4090049B1 (en) * 2021-05-11 2024-12-11 Infineon Technologies AG Mems device with passive acoustic attenuation filter

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1363550A (en) * 1971-12-20 1974-08-14 Ibm Electro-acoustic transducer device
US20110158452A1 (en) * 2009-12-30 2011-06-30 Foxconn Technology Co., Ltd. Microphone module with helmholtz resonance chamber
CN102934464A (zh) * 2010-06-01 2013-02-13 船井电机株式会社 麦克风单元以及设有该麦克风单元的声音输入装置
US20130034257A1 (en) * 2011-08-02 2013-02-07 Robert Bosch Gmbh Mems microphone
WO2018193109A1 (de) * 2017-04-21 2018-10-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Mems-wandler zum interagieren mit einem volumenstrom eines fluids und verfahren zum herstellen desselben
US20190141438A1 (en) * 2017-11-06 2019-05-09 Bose Corporation Microphone Cavity

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
周建民: ""提升MEMS麦克风灵敏度的设计方法"", 《集成电路应用》, 10 November 2014 (2014-11-10), pages 30 - 34 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118382045A (zh) * 2024-06-20 2024-07-23 瑞声光电科技(常州)有限公司 一种扬声器

Also Published As

Publication number Publication date
US20220353606A1 (en) 2022-11-03
WO2021152922A1 (ja) 2021-08-05
JPWO2021152922A1 (https=) 2021-08-05
JP7713392B2 (ja) 2025-07-25
US12200431B2 (en) 2025-01-14

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Application publication date: 20220729