BE664110A - Combinaison de microphones se composant de plusieurs unités sonores espacées - Google Patents

Combinaison de microphones se composant de plusieurs unités sonores espacées

Info

Publication number
BE664110A
BE664110A BE664110A BE664110A BE664110A BE 664110 A BE664110 A BE 664110A BE 664110 A BE664110 A BE 664110A BE 664110 A BE664110 A BE 664110A BE 664110 A BE664110 A BE 664110A
Authority
BE
Belgium
Prior art keywords
combination
several spaced
sound units
spaced sound
microphones
Prior art date
Application number
BE664110A
Other languages
English (en)
Inventor
Kleis Derk
Hermanus Iding Wilhelmus
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of BE664110A publication Critical patent/BE664110A/fr

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
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
    • 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
    • H04R1/32—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
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
BE664110A 1964-05-20 1965-05-18 Combinaison de microphones se composant de plusieurs unités sonores espacées BE664110A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6405564A NL6405564A (fr) 1964-05-20 1964-05-20

Publications (1)

Publication Number Publication Date
BE664110A true BE664110A (fr) 1965-11-18

Family

ID=19790109

Family Applications (1)

Application Number Title Priority Date Filing Date
BE664110A BE664110A (fr) 1964-05-20 1965-05-18 Combinaison de microphones se composant de plusieurs unités sonores espacées

Country Status (12)

Country Link
US (1) US3403223A (fr)
AT (1) AT263871B (fr)
BE (1) BE664110A (fr)
CH (1) CH446442A (fr)
DE (1) DE1274192B (fr)
DK (1) DK118567B (fr)
ES (1) ES313062A1 (fr)
FR (1) FR1444200A (fr)
GB (1) GB1102186A (fr)
NL (1) NL6405564A (fr)
NO (1) NO117082B (fr)
SE (1) SE313599B (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0430513A2 (fr) * 1989-11-27 1991-06-05 Matsushita Electric Industrial Co., Ltd. Appareil microphonique
WO1998046043A2 (fr) * 1997-04-10 1998-10-15 Interkom Electronic Kock & Mreches Gmbh Dispositif capteur acoustique, notamment pour un appareil d'amplification vocale
EP0903056A1 (fr) * 1996-05-30 1999-03-24 PictureTel Corporation Reseau de microphones superdirectifs

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4334740A (en) * 1978-09-12 1982-06-15 Polaroid Corporation Receiving system having pre-selected directional response
JPS5910119B2 (ja) * 1979-04-26 1984-03-07 日本ビクター株式会社 可変指向性マイクロホン
US4354059A (en) * 1979-09-11 1982-10-12 Victor Company Of Japan, Ltd. Variable-directivity microphone device
US4399327A (en) * 1980-01-25 1983-08-16 Victor Company Of Japan, Limited Variable directional microphone system
US4521908A (en) * 1982-09-01 1985-06-04 Victor Company Of Japan, Limited Phased-array sound pickup apparatus having no unwanted response pattern
US4696043A (en) * 1984-08-24 1987-09-22 Victor Company Of Japan, Ltd. Microphone apparatus having a variable directivity pattern
US4742548A (en) * 1984-12-20 1988-05-03 American Telephone And Telegraph Company Unidirectional second order gradient microphone
US7697827B2 (en) 2005-10-17 2010-04-13 Konicek Jeffrey C User-friendlier interfaces for a camera
CN110049405B (zh) * 2018-01-15 2022-02-18 厦门雅迅网络股份有限公司 一种兼容式车载麦克风电路

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2305599A (en) * 1941-04-08 1942-12-22 S N Shure Conversion of wave motion into electrical energy
US2301744A (en) * 1941-05-31 1942-11-10 Rca Corp Electroacoustical signal translating apparatus
US2810786A (en) * 1950-06-12 1957-10-22 Siemens Ag Directional microphone system
US3204031A (en) * 1961-08-29 1965-08-31 Akg Akustische Kino Geraete Moving-coil microphone arrangement

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0430513A2 (fr) * 1989-11-27 1991-06-05 Matsushita Electric Industrial Co., Ltd. Appareil microphonique
EP0430513A3 (en) * 1989-11-27 1992-03-04 Matsushita Electric Industrial Co., Ltd. Microphone apparatus
EP0903056A1 (fr) * 1996-05-30 1999-03-24 PictureTel Corporation Reseau de microphones superdirectifs
EP0903056A4 (fr) * 1996-05-30 2000-01-05 Picturetel Corp Reseau de microphones superdirectifs
WO1998046043A2 (fr) * 1997-04-10 1998-10-15 Interkom Electronic Kock & Mreches Gmbh Dispositif capteur acoustique, notamment pour un appareil d'amplification vocale
WO1998046043A3 (fr) * 1997-04-10 1999-03-25 Interkom Electronic Kock & Mre Dispositif capteur acoustique, notamment pour un appareil d'amplification vocale
US7366308B1 (en) 1997-04-10 2008-04-29 Beyerdynamic Gmbh & Co. Kg Sound pickup device, specially for a voice station

Also Published As

Publication number Publication date
US3403223A (en) 1968-09-24
CH446442A (de) 1967-11-15
NO117082B (fr) 1969-06-30
DE1274192B (de) 1968-08-01
FR1444200A (fr) 1966-07-01
DK118567B (da) 1970-09-07
ES313062A1 (es) 1965-10-01
NL6405564A (fr) 1965-11-22
SE313599B (fr) 1969-08-18
GB1102186A (en) 1968-02-07
AT263871B (de) 1968-08-12

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