AT337280B - Schaltungsanordnung zur unterdruckung akustischer ruckkopplungen - Google Patents

Schaltungsanordnung zur unterdruckung akustischer ruckkopplungen

Info

Publication number
AT337280B
AT337280B AT855374A AT855374A AT337280B AT 337280 B AT337280 B AT 337280B AT 855374 A AT855374 A AT 855374A AT 855374 A AT855374 A AT 855374A AT 337280 B AT337280 B AT 337280B
Authority
AT
Austria
Prior art keywords
suppression
circuit arrangement
acoustic feedback
acoustic
feedback
Prior art date
Application number
AT855374A
Other languages
English (en)
Other versions
ATA855374A (de
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
Application filed by Saad Zaghloul Mohamed Gabr filed Critical Saad Zaghloul Mohamed Gabr
Publication of ATA855374A publication Critical patent/ATA855374A/de
Application granted granted Critical
Publication of AT337280B publication Critical patent/AT337280B/de

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
    • H04R3/02—Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/002—Devices for damping, suppressing, obstructing or conducting sound in acoustic devices

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Signal Processing (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
AT855374A 1974-10-24 1974-10-24 Schaltungsanordnung zur unterdruckung akustischer ruckkopplungen AT337280B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7413938A NL7413938A (nl) 1974-10-24 1974-10-24 Inrichting en werkwijze voor het opheffen van akoestische terugkoppeling.

Publications (2)

Publication Number Publication Date
ATA855374A ATA855374A (de) 1976-10-15
AT337280B true AT337280B (de) 1977-06-27

Family

ID=19822330

Family Applications (1)

Application Number Title Priority Date Filing Date
AT855374A AT337280B (de) 1974-10-24 1974-10-24 Schaltungsanordnung zur unterdruckung akustischer ruckkopplungen

Country Status (4)

Country Link
AT (1) AT337280B (de)
DE (1) DE2451278C2 (de)
FR (1) FR2290814A1 (de)
NL (1) NL7413938A (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2633394C2 (de) * 1976-07-24 1983-08-25 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltungsanordnung zum Kompensieren der akustischen Rückkopplung
US4087633A (en) * 1977-07-18 1978-05-02 Bell Telephone Laboratories, Incorporated Dereverberation system
DE2931604C2 (de) * 1979-08-03 1982-04-29 Siemens AG, 1000 Berlin und 8000 München Störgeräuschkompensierte Mikrofonschaltung
US4311874A (en) * 1979-12-17 1982-01-19 Bell Telephone Laboratories, Incorporated Teleconference microphone arrays
DE3325031A1 (de) * 1983-07-11 1985-01-24 Sennheiser Electronic Kg, 3002 Wedemark Infrarot-kopfhoerer

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE884376C (de) * 1944-09-21 1953-07-27 Siemens Ag Lautsprecheranlage mit Schaltungsanordnung zur Rueckkopplungs-vermeidung

Also Published As

Publication number Publication date
ATA855374A (de) 1976-10-15
NL7413938A (nl) 1976-04-27
DE2451278C2 (de) 1984-02-16
DE2451278A1 (de) 1976-05-06
FR2290814A1 (fr) 1976-06-04
FR2290814B1 (de) 1982-04-16

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Legal Events

Date Code Title Description
EIH Change in the person of patent owner
ELJ Ceased due to non-payment of the annual fee