NL7413937A - Microfoonstelsel. - Google Patents

Microfoonstelsel.

Info

Publication number
NL7413937A
NL7413937A NL7413937A NL7413937A NL7413937A NL 7413937 A NL7413937 A NL 7413937A NL 7413937 A NL7413937 A NL 7413937A NL 7413937 A NL7413937 A NL 7413937A NL 7413937 A NL7413937 A NL 7413937A
Authority
NL
Netherlands
Prior art keywords
microphone system
microphone
Prior art date
Application number
NL7413937A
Other languages
English (en)
Dutch (nl)
Original Assignee
Saad Zaghloul Mohamed Gabr
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
Priority claimed from AU74495/74A external-priority patent/AU497889B2/en
Application filed by Saad Zaghloul Mohamed Gabr filed Critical Saad Zaghloul Mohamed Gabr
Publication of NL7413937A publication Critical patent/NL7413937A/xx

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
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • 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
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/227—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  using transducers reproducing the same frequency band
    • 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
    • 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
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/406—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers 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
    • H04R25/40—Arrangements for obtaining a desired directivity characteristic
    • H04R25/405—Arrangements for obtaining a desired directivity characteristic by combining a plurality of transducers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
NL7413937A 1974-09-25 1974-10-24 Microfoonstelsel. NL7413937A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB41782/74A GB1487847A (en) 1974-09-25 1974-09-25 Microphone units
AU74495/74A AU497889B2 (en) 1974-10-18 1974-10-18 Microphone

Publications (1)

Publication Number Publication Date
NL7413937A true NL7413937A (nl) 1976-04-27

Family

ID=25637663

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7413937A NL7413937A (nl) 1974-09-25 1974-10-24 Microfoonstelsel.

Country Status (6)

Country Link
US (1) US3995124A (xx)
DE (1) DE2451307A1 (xx)
FR (1) FR2290811A1 (xx)
GB (1) GB1487847A (xx)
NL (1) NL7413937A (xx)
SE (1) SE386800B (xx)

Families Citing this family (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4151777A (en) * 1975-11-27 1979-05-01 Ikuo Nosaka Piano sound pickup method and device
NL7802688A (nl) * 1978-03-13 1979-09-17 Philips Nv Inrichting voor het omzetten van akoestische in elektrische trillingen en omgekeerd, voor- zien van tenminste een kondensator elektreet- element aangesloten op een elektronische schakeling.
DE2931604C2 (de) * 1979-08-03 1982-04-29 Siemens AG, 1000 Berlin und 8000 München Störgeräuschkompensierte Mikrofonschaltung
EP0084982B1 (en) * 1982-01-27 1987-11-11 Racal Acoustics Limited Improvements in and relating to communications systems
US4622440A (en) * 1984-04-11 1986-11-11 In Tech Systems Corp. Differential hearing aid with programmable frequency response
US5251264A (en) * 1992-03-25 1993-10-05 Motorola, Inc. Mechanical-vibration-cancelling piezo ceramic microphone
US5812659A (en) * 1992-05-11 1998-09-22 Jabra Corporation Ear microphone with enhanced sensitivity
US5373555A (en) * 1992-05-11 1994-12-13 Jabra Corporation Unidirectional ear microphone and gasket
ATE211339T1 (de) * 1992-05-11 2002-01-15 Jabra Corp Unidirektionales ohrmikrophon und verfahren dafür
CA2076288C (en) * 1992-08-18 2001-01-30 Raymond Wehner Microphone and loudspeaker system
ATE158463T1 (de) * 1992-12-29 1997-10-15 Kehler Waldemar Verfahren zur polarisierung akustischer felder, speziell zwecks erzielung eines extrem breiten, ortsungebundenen und sehr räumlichen stereoeffekts bei geringem platzbedarf
US5553147A (en) * 1993-05-11 1996-09-03 One Inc. Stereophonic reproduction method and apparatus
EP0625864A1 (en) * 1993-05-18 1994-11-23 Nec Corporation Differential microphone on a portable radio telephone
EP0637187B1 (en) * 1993-07-28 1999-12-22 Pan Communications, Inc. Two-way communications earset
WO1995034184A1 (en) * 1994-06-08 1995-12-14 Northern Telecom Limited A personal hands free communications device
NL1001598C2 (en) * 1995-11-08 1996-08-23 Henricus Johannes Wilhelmus Sc Microphone assembly with main and secondary microphones - has series anti-phase connected microphones wiring connections with coaxial cable screens connected to common point to eliminate acoustic feedback problems
US5781643A (en) * 1996-08-16 1998-07-14 Shure Brothers Incorporated Microphone plosive effects reduction techniques
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
JP4106119B2 (ja) * 1997-12-26 2008-06-25 株式会社オーディオテクニカ ダイナミックマイクロホン
US7110553B1 (en) 1998-02-03 2006-09-19 Etymotic Research, Inc. Directional microphone assembly for mounting behind a surface
JP4000217B2 (ja) * 1998-05-15 2007-10-31 株式会社オーディオテクニカ マイクロホン
DE69918793T2 (de) * 1998-12-31 2005-07-21 Arkamys Verfahren und Vorrichtung zur Tonaufnahme und Wiedergabe mit natürlichen Gefühl von Schallfeld
US6790821B1 (en) * 1999-06-21 2004-09-14 The Procter & Gamble Company Process for coating detergent granules in a fluidized bed
US7120261B1 (en) * 1999-11-19 2006-10-10 Gentex Corporation Vehicle accessory microphone
AU1621201A (en) * 1999-11-19 2001-05-30 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
WO2001058210A1 (en) * 2000-02-03 2001-08-09 Ziyi Cheng Anti-noise pickup
DK1241919T3 (da) * 2001-03-12 2012-02-06 Knowles Electronics Llc Fremgangsmåde til reducering af forvrængning i en modtager
US7103196B2 (en) 2001-03-12 2006-09-05 Knowles Electronics, Llc. Method for reducing distortion in a receiver
US7245726B2 (en) * 2001-10-03 2007-07-17 Adaptive Technologies, Inc. Noise canceling microphone system and method for designing the same
JP2003259477A (ja) * 2002-02-27 2003-09-12 Koki So マイクロホンの集音装置
US20030223590A1 (en) * 2002-05-28 2003-12-04 Su Keng Kuei Assembly for eliminating noise for microphones and method for making the same
JP3946117B2 (ja) * 2002-10-07 2007-07-18 シチズン電子株式会社 発音体の構造
JP3788428B2 (ja) * 2003-01-07 2006-06-21 日産自動車株式会社 自動車用音声入力装置
US7463744B2 (en) 2003-10-31 2008-12-09 Bose Corporation Porting
US7840020B1 (en) * 2004-04-01 2010-11-23 Otologics, Llc Low acceleration sensitivity microphone
US7386142B2 (en) 2004-05-27 2008-06-10 Starkey Laboratories, Inc. Method and apparatus for a hearing assistance system with adaptive bulk delay
US7894618B2 (en) * 2006-07-28 2011-02-22 Symphony Acoustics, Inc. Apparatus comprising a directionality-enhanced acoustic sensor
DK2080408T3 (da) 2006-10-23 2012-11-19 Starkey Lab Inc Undgåelse af medrivning med et auto-regressivt filter
JP5081604B2 (ja) * 2007-12-18 2012-11-28 株式会社オーディオテクニカ ダイナミックマイクロホン
US8571244B2 (en) 2008-03-25 2013-10-29 Starkey Laboratories, Inc. Apparatus and method for dynamic detection and attenuation of periodic acoustic feedback
US20100242590A1 (en) * 2009-03-27 2010-09-30 Daniel Measurement And Control, Inc. Flow Meter and Temperature Stabilizing Cover Therefor
CN102428711A (zh) * 2009-05-18 2012-04-25 美商楼氏电子有限公司 具有降低的振动灵敏度的麦克风
JP5691181B2 (ja) * 2010-01-27 2015-04-01 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
US9654885B2 (en) 2010-04-13 2017-05-16 Starkey Laboratories, Inc. Methods and apparatus for allocating feedback cancellation resources for hearing assistance devices
US8942398B2 (en) 2010-04-13 2015-01-27 Starkey Laboratories, Inc. Methods and apparatus for early audio feedback cancellation for hearing assistance devices
US8917891B2 (en) 2010-04-13 2014-12-23 Starkey Laboratories, Inc. Methods and apparatus for allocating feedback cancellation resources for hearing assistance devices
WO2011015674A1 (en) * 2010-11-12 2011-02-10 Phonak Ag Hearing device with a microphone
JP2015521062A (ja) 2012-05-11 2015-07-27 スリーエム イノベイティブ プロパティズ カンパニー 雑音振動制御機能を有する生体音響センサ
DK2723102T3 (da) 2012-10-18 2019-01-02 Sonion Nederland Bv Transducer, høreapparat med transducer og en fremgangsmåde til betjening af transduceren
US8818009B2 (en) * 2012-10-23 2014-08-26 Shure Acquisition Holdings, Inc. Dual diaphragm dynamic microphone transducer
US10136213B2 (en) * 2015-02-10 2018-11-20 Sonion Nederland B.V. Microphone module with shared middle sound inlet arrangement
DE102015213990A1 (de) * 2015-07-24 2017-01-26 Robert Bosch Gmbh Vorrichtung zum Aussenden und/oder Empfangen akustischer Signale

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR640870A (fr) * 1927-02-23 1928-07-24 Microphone-téléphone électrostatique
US2305599A (en) * 1941-04-08 1942-12-22 S N Shure Conversion of wave motion into electrical energy
US2463762A (en) * 1941-11-14 1949-03-08 Automatic Elect Lab Electroacoustical transducer
US2552878A (en) * 1947-09-24 1951-05-15 Electro Voice Second order differential microphone
US2611035A (en) * 1950-01-31 1952-09-16 Rca Corp Noise-canceling microphone
DE1073546B (de) * 1955-05-26 1960-01-21 Rudolf Gorike Wien Dr Richtmikrophon mit geringer Erschutterungs- und Windempfind lichkeit
US3414689A (en) * 1965-06-28 1968-12-03 Bell Telephone Labor Inc Shock-mounting for electromechanical transducer
AT277339B (de) * 1966-08-19 1969-12-29 Akg Akustische Kino Geraete Mikrophon mit Richtcharakteristik und einer Einrichtung zur Veränderung dieser Richtcharakteristik
GB1278009A (en) * 1970-10-22 1972-06-14 Standard Telephones Cables Ltd Microphone

Also Published As

Publication number Publication date
SE386800B (sv) 1976-08-16
FR2290811B1 (xx) 1982-05-07
US3995124A (en) 1976-11-30
GB1487847A (en) 1977-10-05
SE7413047L (sv) 1976-04-20
DE2451307A1 (de) 1976-05-06
FR2290811A1 (fr) 1976-06-04

Similar Documents

Publication Publication Date Title
NL7413937A (nl) Microfoonstelsel.
NL7513921A (nl) Steunstelsel.
NL186058C (nl) Microfooninrichting.
NL7510751A (nl) Hoofdtelefoon.
NL7505978A (nl) Eerstehulpkoffer.
NL7509515A (nl) Stereofoon geluidstelsel.
NL169766C (nl) Montagebouwsysteem.
NL7501712A (nl) Simultaanaansluitsysteem.
NL7507251A (nl) Elektrostatisch luidsprekersysteem.
SE7507069L (sv) Snabbtelefonsystem.
DK135492B (da) Lastpalle.
NL7514138A (nl) Luidsprekend telefoonstelsel.
NL7507724A (nl) Ontwikkelsysteem.
SE7505036L (sv) Utflytningshjelpmedel.
NL7512557A (nl) Microfooninrichting.
NL7416853A (nl) Facsimilestelsel.
NO139841C (no) Telekommunikasjonssystem.
NL7502223A (nl) Luidsprekerinrichting.
SE409537B (sv) Telefonapparatsystem
DK137669B (da) Piberiver.
BE809593A (fr) Groupe-moteur-autopropulseur.
NL7508119A (nl) Facsimilestelsel.
BE814204A (nl) Werkkledij.
NL7502743A (nl) Sileerhulpmiddel.
DK136503B (da) Termokopieringsmaskine.

Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed