ES447550A1 - Perfeccionamientos en los microfonos. - Google Patents

Perfeccionamientos en los microfonos.

Info

Publication number
ES447550A1
ES447550A1 ES447550A ES447550A ES447550A1 ES 447550 A1 ES447550 A1 ES 447550A1 ES 447550 A ES447550 A ES 447550A ES 447550 A ES447550 A ES 447550A ES 447550 A1 ES447550 A1 ES 447550A1
Authority
ES
Spain
Prior art keywords
condenser microphone
unidirectional condenser
sound inlet
absorbent
chambers
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.)
Expired
Application number
ES447550A
Other languages
English (en)
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.)
Thermo Fisher Scientific Inc
Original Assignee
Thermo Electron 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 Thermo Electron Corp filed Critical Thermo Electron Corp
Publication of ES447550A1 publication Critical patent/ES447550A1/es
Expired 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
    • 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
    • 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
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/60—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
    • H04R25/604—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of acoustic or vibrational transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
ES447550A 1973-05-29 1976-05-03 Perfeccionamientos en los microfonos. Expired ES447550A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/364,997 US3963881A (en) 1973-05-29 1973-05-29 Unidirectional condenser microphone

Publications (1)

Publication Number Publication Date
ES447550A1 true ES447550A1 (es) 1977-07-01

Family

ID=23437059

Family Applications (2)

Application Number Title Priority Date Filing Date
ES426709A Expired ES426709A1 (es) 1973-05-29 1974-05-28 Mejoras en los microfonos.
ES447550A Expired ES447550A1 (es) 1973-05-29 1976-05-03 Perfeccionamientos en los microfonos.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES426709A Expired ES426709A1 (es) 1973-05-29 1974-05-28 Mejoras en los microfonos.

Country Status (2)

Country Link
US (1) US3963881A (es)
ES (2) ES426709A1 (es)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7306005A (es) * 1973-05-01 1974-11-05
US4041446A (en) * 1976-05-20 1977-08-09 The United States Of America As Represented By The Secretary Of The Navy Capacitive-type displacement and pressure sensitive transducer
US4321432A (en) * 1978-12-23 1982-03-23 Tokyo Shibaura Denki Kabushiki Kaisha Electrostatic microphone
US4331840A (en) * 1980-02-22 1982-05-25 Lectret S.A. Electret transducer with tapered acoustic chamber
US4392025A (en) * 1981-05-27 1983-07-05 Hosiden Electronics Co., Ltd. Condenser microphone
US4492825A (en) * 1982-07-28 1985-01-08 At&T Bell Laboratories Electroacoustic transducer
US4764690A (en) * 1986-06-18 1988-08-16 Lectret S.A. Electret transducing
DE8713369U1 (de) * 1987-10-05 1989-02-09 Siemens AG, 1000 Berlin und 8000 München Vorrichtung zum Verschließen von Öffnungen an Hörgeräten oder Ohrpaßstücken für Hörgeräte
US4815560A (en) * 1987-12-04 1989-03-28 Industrial Research Products, Inc. Microphone with frequency pre-emphasis
US4837833A (en) * 1988-01-21 1989-06-06 Industrial Research Products, Inc. Microphone with frequency pre-emphasis channel plate
US4903249A (en) * 1988-03-24 1990-02-20 Nelson Industries Rigid foraminous microphone probe for acoustic measurement in turbulent flow
US5844984A (en) * 1992-03-19 1998-12-01 Pan Communications, Inc. Two-way communications earset with filter
US5222050A (en) * 1992-06-19 1993-06-22 Knowles Electronics, Inc. Water-resistant transducer housing with hydrophobic vent
US5448637A (en) * 1992-10-20 1995-09-05 Pan Communications, Inc. Two-way communications earset
US5781643A (en) * 1996-08-16 1998-07-14 Shure Brothers Incorporated Microphone plosive effects reduction techniques
US5854846A (en) * 1996-09-06 1998-12-29 Northrop Grumman Corporation Wafer fabricated electroacoustic transducer
US6272360B1 (en) 1997-07-03 2001-08-07 Pan Communications, Inc. Remotely installed transmitter and a hands-free two-way voice terminal device using same
US6278377B1 (en) 1999-08-25 2001-08-21 Donnelly Corporation Indicator for vehicle accessory
WO2001037519A2 (en) * 1999-11-19 2001-05-25 Gentex Corporation Vehicle accessory microphone
US7447320B2 (en) * 2001-02-14 2008-11-04 Gentex Corporation Vehicle accessory microphone
US8682005B2 (en) * 1999-11-19 2014-03-25 Gentex Corporation Vehicle accessory microphone
US7120261B1 (en) * 1999-11-19 2006-10-10 Gentex Corporation Vehicle accessory microphone
EP1380186B1 (en) * 2001-02-14 2015-08-26 Gentex Corporation Vehicle accessory microphone
US6859542B2 (en) * 2001-05-31 2005-02-22 Sonion Lyngby A/S Method of providing a hydrophobic layer and a condenser microphone having such a layer
US7065224B2 (en) * 2001-09-28 2006-06-20 Sonionmicrotronic Nederland B.V. Microphone for a hearing aid or listening device with improved internal damping and foreign material protection
JP2004075818A (ja) * 2002-08-15 2004-03-11 Fuji Photo Film Co Ltd インク組成物及びインクジェット記録方法
WO2005067653A2 (en) * 2004-01-07 2005-07-28 Logitech Europe S.A. Porous solid wind screen for microphone
US7415121B2 (en) * 2004-10-29 2008-08-19 Sonion Nederland B.V. Microphone with internal damping
JP4751057B2 (ja) * 2004-12-15 2011-08-17 シチズン電子株式会社 コンデンサマイクロホンとその製造方法
US7566582B2 (en) * 2005-10-25 2009-07-28 The Charles Stark Draper Laboratory, Inc. Systems, methods and devices relating to actuatably moveable machines
US20070090732A1 (en) * 2005-10-25 2007-04-26 The Charles Stark Draper Laboratory, Inc. Systems, methods and devices relating to actuatably moveable machines
US8846161B2 (en) * 2006-10-03 2014-09-30 Brigham Young University Hydrophobic coating and method
CA2664536A1 (en) * 2006-10-03 2008-04-10 Sonic Innovations, Inc. Hydrophobic and oleophobic coating and method for preparing the same
JP4520446B2 (ja) * 2006-10-16 2010-08-04 日本精密測器株式会社 コンデンサマイクロホン、マイクロホンユニット、及び血圧計
US7986800B2 (en) * 2007-02-20 2011-07-26 Fortemedia, Inc. Device with acoustic guard
JP4960921B2 (ja) * 2008-04-25 2012-06-27 ホシデン株式会社 エレクトレットコンデンサマイクロホン
WO2010009504A1 (en) * 2008-07-24 2010-01-28 Cochlear Limited Implantable microphone device
JP5325554B2 (ja) * 2008-12-05 2013-10-23 船井電機株式会社 音声入力装置
US9247357B2 (en) 2009-03-13 2016-01-26 Cochlear Limited DACS actuator
ITTO20120753A1 (it) * 2012-08-30 2014-03-01 St Microelectronics Srl Dispositivo incapsulato esposto all'aria ambiente e a liquidi e relativo processo di fabbricazione
CN204046818U (zh) * 2014-07-28 2014-12-24 瑞声声学科技(深圳)有限公司 电容mems麦克风
CN106664495B (zh) 2014-07-31 2019-10-15 3M创新有限公司 耳塞式听力装置中的防水性声端口
JP2017005654A (ja) 2015-06-16 2017-01-05 株式会社オーディオテクニカ 単一指向性コンデンサマイクロホン
US10562761B2 (en) 2015-11-18 2020-02-18 Kathirgamasundaram Sooriakumar Waterproof microphone and associated packing techniques
USD1038918S1 (en) * 2022-07-20 2024-08-13 Intricon Corporation Boom microphone
USD1038919S1 (en) * 2022-07-21 2024-08-13 Intricon Corporation Microphone

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2400281A (en) * 1940-10-31 1946-05-14 Rca Corp Electromechanical signal translating apparatus
US2453192A (en) * 1944-09-08 1948-11-09 Bell Telephone Labor Inc Moisture impervious vent
US2702318A (en) * 1951-01-10 1955-02-15 Astatic Corp Unidirectional microphone
GB832276A (en) * 1958-12-02 1960-04-06 Standard Telephones Cables Ltd Improvements in or relating to electro-acoustic transducers
US3388767A (en) * 1966-03-31 1968-06-18 Pacific Plantronics Inc Acoustic noise attenuating apparatus
US3539735A (en) * 1967-04-28 1970-11-10 Roanwell Corp Sintered transducer housing providing acoustical resistance and waterproofing
DE1277347B (de) * 1967-06-05 1968-09-12 Willco Gmbh Mikrophon fuer Hoergeraete
GB1245803A (en) * 1967-09-28 1971-09-08 Matsushita Electric Ind Co Ltd Microphone device
US3585317A (en) * 1968-01-04 1971-06-15 Astatic Corp Cardioid microphone
US3602332A (en) * 1969-01-08 1971-08-31 Grace W R & Co Lead-loaded microporous acoustic panel
US3770560A (en) * 1971-10-21 1973-11-06 American Cyanamid Co Composite laminate with a thin, perforated outer layer and cavitated bonded backing member
US3777079A (en) * 1971-10-21 1973-12-04 Willco Gmbh Directional microphone for head mounted midget hearing aids
US3789166A (en) * 1971-12-16 1974-01-29 Dyna Magnetic Devices Inc Submersion-safe microphone
US3798390A (en) * 1972-07-24 1974-03-19 Gould Inc Hearing aid with valved dual ports

Also Published As

Publication number Publication date
US3963881A (en) 1976-06-15
ES426709A1 (es) 1977-01-01

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