BE585265A - Ensemble microphonique réducteur de bruit. - Google Patents

Ensemble microphonique réducteur de bruit.

Info

Publication number
BE585265A
BE585265A BE585265A BE585265A BE585265A BE 585265 A BE585265 A BE 585265A BE 585265 A BE585265 A BE 585265A BE 585265 A BE585265 A BE 585265A BE 585265 A BE585265 A BE 585265A
Authority
BE
Belgium
Prior art keywords
noise reduction
microphone set
reduction microphone
noise
reduction
Prior art date
Application number
BE585265A
Other languages
English (en)
Inventor
Harold Andrew Hart
Original Assignee
Chance Vought Aircraft 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 Chance Vought Aircraft Inc filed Critical Chance Vought Aircraft Inc
Publication of BE585265A publication Critical patent/BE585265A/fr

Links

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
    • H04R1/32—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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • 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)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
BE585265A 1958-12-22 1959-12-02 Ensemble microphonique réducteur de bruit. BE585265A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US781988A US3004103A (en) 1958-12-22 1958-12-22 Noise-reducing microphone assembly

Publications (1)

Publication Number Publication Date
BE585265A true BE585265A (fr) 1960-04-01

Family

ID=25124572

Family Applications (1)

Application Number Title Priority Date Filing Date
BE585265A BE585265A (fr) 1958-12-22 1959-12-02 Ensemble microphonique réducteur de bruit.

Country Status (4)

Country Link
US (1) US3004103A (fr)
BE (1) BE585265A (fr)
DE (1) DE1114539B (fr)
FR (1) FR1248166A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3197574A (en) * 1962-04-16 1965-07-27 Edgar C Zane Noise suppression system
DE3843034A1 (de) * 1988-12-21 1990-06-28 Messerschmitt Boelkow Blohm Mikrofonsystem zum bestimmen der richtung und position einer schallquelle
US5239578A (en) * 1990-05-15 1993-08-24 Plantronics, Inc. Noise cancelling apparatus for a telephone handset
WO1992004792A1 (fr) * 1990-09-06 1992-03-19 British Telecommunications Public Limited Company Combine telephonique a elimination des bruits parasites
US5969838A (en) * 1995-12-05 1999-10-19 Phone Or Ltd. System for attenuation of noise
ES2162984T3 (es) * 1995-12-07 2002-01-16 Phone Or Ltd Sistema para atenuacion de ruido.
CN221807191U (zh) * 2024-01-05 2024-10-01 瑞声声学科技(深圳)有限公司 麦克风模组

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2485405A (en) * 1944-04-21 1949-10-18 Stromberg Carlson Co Dipole microphone
US2393318A (en) * 1945-01-23 1946-01-22 Charles E Fraser Microphone
US2835735A (en) * 1953-12-04 1958-05-20 Electro Voice Anti-shock transducer

Also Published As

Publication number Publication date
DE1114539B (de) 1961-10-05
FR1248166A (fr) 1960-12-09
US3004103A (en) 1961-10-10

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