TW200944037A - Microphone unit - Google Patents

Microphone unit

Info

Publication number
TW200944037A
TW200944037A TW098103861A TW98103861A TW200944037A TW 200944037 A TW200944037 A TW 200944037A TW 098103861 A TW098103861 A TW 098103861A TW 98103861 A TW98103861 A TW 98103861A TW 200944037 A TW200944037 A TW 200944037A
Authority
TW
Taiwan
Prior art keywords
substrate
microphone
unit
diaphragm
opening
Prior art date
Application number
TW098103861A
Other languages
English (en)
Other versions
TWI516136B (zh
Inventor
Fuminori Tanaka
Ryusuke Horibe
Takeshi Inoda
Rikuo Takano
Kiyoshi Sugiyama
Toshimi Fukuoka
Masatoshi Ono
Original Assignee
Funai Electric Co
Funai Eaa Tech Res Inst Inc
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 Funai Electric Co, Funai Eaa Tech Res Inst Inc filed Critical Funai Electric Co
Publication of TW200944037A publication Critical patent/TW200944037A/zh
Application granted granted Critical
Publication of TWI516136B publication Critical patent/TWI516136B/zh

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
    • H04R19/00—Electrostatic transducers
    • H04R19/04—Microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
    • 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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/38—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means in which sound waves act upon both sides of a diaphragm and incorporating acoustic phase-shifting means, e.g. pressure-gradient microphone
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2410/00—Microphones
    • H04R2410/05—Noise reduction with a separate noise microphone
TW098103861A 2008-02-08 2009-02-06 Microphone unit TWI516136B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008029572 2008-02-08

Publications (2)

Publication Number Publication Date
TW200944037A true TW200944037A (en) 2009-10-16
TWI516136B TWI516136B (zh) 2016-01-01

Family

ID=40952165

Family Applications (1)

Application Number Title Priority Date Filing Date
TW098103861A TWI516136B (zh) 2008-02-08 2009-02-06 Microphone unit

Country Status (6)

Country Link
US (1) US20110158449A1 (zh)
EP (1) EP2252075A4 (zh)
JP (1) JP4416835B2 (zh)
CN (1) CN101940002A (zh)
TW (1) TWI516136B (zh)
WO (1) WO2009099091A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102088647A (zh) * 2009-11-26 2011-06-08 船井电机株式会社 传声器单元

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5515700B2 (ja) * 2009-12-04 2014-06-11 船井電機株式会社 マイクロホンユニット
JP5434798B2 (ja) 2009-12-25 2014-03-05 船井電機株式会社 マイクロホンユニット、及び、それを備えた音声入力装置
JP5834383B2 (ja) * 2010-06-01 2015-12-24 船井電機株式会社 マイクロホンユニット及びそれを備えた音声入力装置
KR101369464B1 (ko) * 2013-06-27 2014-03-06 주식회사 비에스이 멤스 마이크로폰
CN108432265A (zh) 2015-11-19 2018-08-21 美商楼氏电子有限公司 差分式mems麦克风
JP7319182B2 (ja) * 2019-12-12 2023-08-01 アズビル株式会社 差圧計

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7166910B2 (en) * 2000-11-28 2007-01-23 Knowles Electronics Llc Miniature silicon condenser microphone
US7434305B2 (en) * 2000-11-28 2008-10-14 Knowles Electronics, Llc. Method of manufacturing a microphone
AT410741B (de) * 2002-02-26 2003-07-25 Akg Acoustics Gmbh Druckgradienten-mikrofonkapsel
JP4033830B2 (ja) * 2002-12-03 2008-01-16 ホシデン株式会社 マイクロホン
US7233679B2 (en) * 2003-09-30 2007-06-19 Motorola, Inc. Microphone system for a communication device
DE102004011149B3 (de) * 2004-03-08 2005-11-10 Infineon Technologies Ag Mikrophon und Verfahren zur Herstellung eines Mikrophons
JP2005295278A (ja) * 2004-03-31 2005-10-20 Hosiden Corp マイクロホン装置
DE102005008512B4 (de) * 2005-02-24 2016-06-23 Epcos Ag Elektrisches Modul mit einem MEMS-Mikrofon
DE102005008511B4 (de) * 2005-02-24 2019-09-12 Tdk Corporation MEMS-Mikrofon
JP2007081614A (ja) * 2005-09-13 2007-03-29 Star Micronics Co Ltd コンデンサマイクロホン
JP2007150507A (ja) * 2005-11-25 2007-06-14 Matsushita Electric Works Ltd マイクロホンパッケージ
JP4657974B2 (ja) * 2006-05-09 2011-03-23 パナソニック株式会社 カード型ｍｅｍｓマイクロホン
US7804969B2 (en) * 2006-08-07 2010-09-28 Shandong Gettop Acoustic Co., Ltd. Silicon microphone with impact proof structure
US8180082B2 (en) * 2007-04-04 2012-05-15 Funai Electric Advanced Applied Technology Research Institute Inc. Microphone unit, close-talking voice input device, information processing system, and method of manufacturing microphone unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102088647A (zh) * 2009-11-26 2011-06-08 船井电机株式会社 传声器单元

Also Published As

Publication number Publication date
JP4416835B2 (ja) 2010-02-17
EP2252075A4 (en) 2014-10-29
EP2252075A1 (en) 2010-11-17
WO2009099091A1 (ja) 2009-08-13
JPWO2009099091A1 (ja) 2011-05-26
CN101940002A (zh) 2011-01-05
US20110158449A1 (en) 2011-06-30
TWI516136B (zh) 2016-01-01

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees