FR2617660B1 - SOUND RECORDING AND RESTITUTION DEVICE, PARTICULARLY FOR AUDIO-CONFERENCES - Google Patents

SOUND RECORDING AND RESTITUTION DEVICE, PARTICULARLY FOR AUDIO-CONFERENCES

Info

Publication number
FR2617660B1
FR2617660B1 FR8709205A FR8709205A FR2617660B1 FR 2617660 B1 FR2617660 B1 FR 2617660B1 FR 8709205 A FR8709205 A FR 8709205A FR 8709205 A FR8709205 A FR 8709205A FR 2617660 B1 FR2617660 B1 FR 2617660B1
Authority
FR
France
Prior art keywords
conferences
audio
sound recording
restitution device
restitution
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.)
Expired - Lifetime
Application number
FR8709205A
Other languages
French (fr)
Other versions
FR2617660A1 (en
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.)
PONTET ROBERT
Original Assignee
PONTET ROBERT
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 PONTET ROBERT filed Critical PONTET ROBERT
Priority to FR8709205A priority Critical patent/FR2617660B1/en
Priority to EP19880401654 priority patent/EP0297975B1/en
Priority to DE19883875659 priority patent/DE3875659T2/en
Publication of FR2617660A1 publication Critical patent/FR2617660A1/en
Application granted granted Critical
Publication of FR2617660B1 publication Critical patent/FR2617660B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04R27/00—Public address systems

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
FR8709205A 1987-06-30 1987-06-30 SOUND RECORDING AND RESTITUTION DEVICE, PARTICULARLY FOR AUDIO-CONFERENCES Expired - Lifetime FR2617660B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR8709205A FR2617660B1 (en) 1987-06-30 1987-06-30 SOUND RECORDING AND RESTITUTION DEVICE, PARTICULARLY FOR AUDIO-CONFERENCES
EP19880401654 EP0297975B1 (en) 1987-06-30 1988-06-28 Sound pick-up and reproduction device, particularly for audio conferences
DE19883875659 DE3875659T2 (en) 1987-06-30 1988-06-28 DEVICE FOR SOUND RECORDING AND PLAYBACK, IN PARTICULAR FOR AUDIO CONFERENCES.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8709205A FR2617660B1 (en) 1987-06-30 1987-06-30 SOUND RECORDING AND RESTITUTION DEVICE, PARTICULARLY FOR AUDIO-CONFERENCES

Publications (2)

Publication Number Publication Date
FR2617660A1 FR2617660A1 (en) 1989-01-06
FR2617660B1 true FR2617660B1 (en) 1990-06-08

Family

ID=9352674

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8709205A Expired - Lifetime FR2617660B1 (en) 1987-06-30 1987-06-30 SOUND RECORDING AND RESTITUTION DEVICE, PARTICULARLY FOR AUDIO-CONFERENCES

Country Status (3)

Country Link
EP (1) EP0297975B1 (en)
DE (1) DE3875659T2 (en)
FR (1) FR2617660B1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2670351B1 (en) * 1990-12-05 1997-04-30 France Etat SOUND RECORDING AND RESTITUTING APPARATUS.
FR2702918B1 (en) * 1993-03-19 1995-05-12 Prescom Sarl Sound recording and reproducing apparatus, and its application to audio conference.
FR2743685B1 (en) * 1996-01-17 1998-02-20 Prescom Sarl SOUND-TAKING APPARATUS AND SOUND-TAKING AND SOUND-MAKING APPARATUS
DE19650522C2 (en) * 1996-12-05 1998-10-22 Lion S Motor Sport Trading Com Cone-shaped speaker attachment
US10051353B2 (en) 2016-12-13 2018-08-14 Cisco Technology, Inc. Telecommunications audio endpoints
US10863035B2 (en) 2017-11-30 2020-12-08 Cisco Technology, Inc. Microphone assembly for echo rejection in audio endpoints

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1050154A (en) * 1977-01-14 1979-03-06 Conrad D. Lafrance Telephone conferencing apparatus
GB2008359B (en) * 1977-11-03 1982-05-12 Post Office Audio teleconferecing
US4378468A (en) * 1980-10-10 1983-03-29 Darome, Inc. Methods and apparatus for alleviating sound-coupled feedback in conference room sound systems
US4436966A (en) * 1982-03-15 1984-03-13 Darome, Inc. Conference microphone unit
US4620317A (en) * 1984-04-05 1986-10-28 Shure Brothers, Inc. Tabletop speaker assembly
US4574906A (en) * 1984-11-15 1986-03-11 Audio Technica U.S., Inc. Outdoor speaker

Also Published As

Publication number Publication date
EP0297975B1 (en) 1992-11-04
EP0297975A1 (en) 1989-01-04
DE3875659T2 (en) 1993-03-25
FR2617660A1 (en) 1989-01-06
DE3875659D1 (en) 1992-12-10

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Legal Events

Date Code Title Description
TP Transmission of property
TP Transmission of property