FR2290814A1 - Circuit de suppression de signaux de retroaction - Google Patents

Circuit de suppression de signaux de retroaction

Info

Publication number
FR2290814A1
FR2290814A1 FR7436791A FR7436791A FR2290814A1 FR 2290814 A1 FR2290814 A1 FR 2290814A1 FR 7436791 A FR7436791 A FR 7436791A FR 7436791 A FR7436791 A FR 7436791A FR 2290814 A1 FR2290814 A1 FR 2290814A1
Authority
FR
France
Prior art keywords
acoustic feedback
feedback coupling
undesired components
disturbance suppression
suppression arrangement
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.)
Granted
Application number
FR7436791A
Other languages
English (en)
French (fr)
Other versions
FR2290814B1 (US20030199744A1-20031023-C00003.png
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2290814A1 publication Critical patent/FR2290814A1/fr
Application granted granted Critical
Publication of FR2290814B1 publication Critical patent/FR2290814B1/fr
Granted 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
    • 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)
FR7436791A 1974-10-24 1974-11-06 Circuit de suppression de signaux de retroaction Granted FR2290814A1 (fr)

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
FR2290814A1 true FR2290814A1 (fr) 1976-06-04
FR2290814B1 FR2290814B1 (US20030199744A1-20031023-C00003.png) 1982-04-16

Family

ID=19822330

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7436791A Granted FR2290814A1 (fr) 1974-10-24 1974-11-06 Circuit de suppression de signaux de retroaction

Country Status (4)

Country Link
AT (1) AT337280B (US20030199744A1-20031023-C00003.png)
DE (1) DE2451278C2 (US20030199744A1-20031023-C00003.png)
FR (1) FR2290814A1 (US20030199744A1-20031023-C00003.png)
NL (1) NL7413938A (US20030199744A1-20031023-C00003.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2398426A1 (fr) * 1977-07-18 1979-02-16 Western Electric Co Dispositif de suppression des effets de la reverberation

Families Citing this family (4)

* 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
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2398426A1 (fr) * 1977-07-18 1979-02-16 Western Electric Co Dispositif de suppression des effets de la reverberation

Also Published As

Publication number Publication date
ATA855374A (de) 1976-10-15
DE2451278A1 (de) 1976-05-06
FR2290814B1 (US20030199744A1-20031023-C00003.png) 1982-04-16
NL7413938A (nl) 1976-04-27
DE2451278C2 (de) 1984-02-16
AT337280B (de) 1977-06-27

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse