FR2670351B1 - Appareil de prise et de restitution du son. - Google Patents

Appareil de prise et de restitution du son.

Info

Publication number
FR2670351B1
FR2670351B1 FR9015208A FR9015208A FR2670351B1 FR 2670351 B1 FR2670351 B1 FR 2670351B1 FR 9015208 A FR9015208 A FR 9015208A FR 9015208 A FR9015208 A FR 9015208A FR 2670351 B1 FR2670351 B1 FR 2670351B1
Authority
FR
France
Prior art keywords
restituting
sound recording
sound
recording
restituting apparatus
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 - Fee Related
Application number
FR9015208A
Other languages
English (en)
Other versions
FR2670351A1 (fr
Inventor
Frederic Zurcher
Dominique Dubournais
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.)
Prescom
Etat Francais
Original Assignee
Prescom
Etat Francais
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 Prescom, Etat Francais filed Critical Prescom
Priority to FR9015208A priority Critical patent/FR2670351B1/fr
Priority to AU90890/91A priority patent/AU9089091A/en
Priority to PCT/FR1991/000966 priority patent/WO1992010917A1/fr
Publication of FR2670351A1 publication Critical patent/FR2670351A1/fr
Application granted granted Critical
Publication of FR2670351B1 publication Critical patent/FR2670351B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/342—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for microphones
    • 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
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
FR9015208A 1990-12-05 1990-12-05 Appareil de prise et de restitution du son. Expired - Fee Related FR2670351B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR9015208A FR2670351B1 (fr) 1990-12-05 1990-12-05 Appareil de prise et de restitution du son.
AU90890/91A AU9089091A (en) 1990-12-05 1991-12-04 Acoustic device
PCT/FR1991/000966 WO1992010917A1 (fr) 1990-12-05 1991-12-04 Dispositif acoustique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9015208A FR2670351B1 (fr) 1990-12-05 1990-12-05 Appareil de prise et de restitution du son.

Publications (2)

Publication Number Publication Date
FR2670351A1 FR2670351A1 (fr) 1992-06-12
FR2670351B1 true FR2670351B1 (fr) 1997-04-30

Family

ID=9402906

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9015208A Expired - Fee Related FR2670351B1 (fr) 1990-12-05 1990-12-05 Appareil de prise et de restitution du son.

Country Status (3)

Country Link
AU (1) AU9089091A (fr)
FR (1) FR2670351B1 (fr)
WO (1) WO1992010917A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2702918B1 (fr) * 1993-03-19 1995-05-12 Prescom Sarl Appareil de prise et de restitution de son, et son application à l'audio-conférence.
US9641919B1 (en) 2014-09-30 2017-05-02 Amazon Technologies, Inc. Audio assemblies for electronic devices
US9574762B1 (en) 2014-09-30 2017-02-21 Amazon Technologies, Inc. Light assemblies for electronic devices containing audio circuitry

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2358800A1 (fr) * 1976-07-16 1978-02-10 Pontet Robert Dispositif de prise de son
CA1050154A (fr) * 1977-01-14 1979-03-06 Conrad D. Lafrance Appareillage de teleconference
US4361736A (en) * 1979-12-07 1982-11-30 Long Edward M Pressure recording process and device
US4620317A (en) * 1984-04-05 1986-10-28 Shure Brothers, Inc. Tabletop speaker assembly
FR2617660B1 (fr) * 1987-06-30 1990-06-08 Larvor Rene Dispositif de prise et de restitution du son, notamment pour audio-conferences

Also Published As

Publication number Publication date
WO1992010917A1 (fr) 1992-06-25
AU9089091A (en) 1992-07-08
FR2670351A1 (fr) 1992-06-12

Similar Documents

Publication Publication Date Title
DE69124423D1 (de) Aufzeichnungs- und Wiedergabeverfahren und -gerät
MX9201945A (es) Aparato de envoltura mejorado y metodos de envoltura relacionados.
DE69027731T2 (de) Elektroakustischer Wandler und Tonwiedergabesystem
DE68919315D1 (de) Tonwiedergabevorrichtung.
DE69123914T2 (de) Tragbares Plattengerät
DE564562T1 (de) Tragbares audioaufzeichnungs- und wiedergabegerät mit wahlfreiem zugriff.
DE69021227D1 (de) Daten-Aufzeichnungs- und -Wiedergabegerät.
DE69120978T2 (de) Schallsignalwiedergabegerät
DE58901033D1 (de) Bild-tonwiedergabegeraet.
DE69517325T2 (de) Tonqualitätsanalyse
DE69122595D1 (de) Aufzeichnungs- und Abspielgerät
DE69606185D1 (de) Digitale aufnahme- und wiedergabevorrichtung
NO912546D0 (no) Plateopptakings- og reproduseringsapparat.
DE59100868D1 (de) Geräuscherzeugungsvorrichtung.
DE3887037D1 (de) Plattenspieler und Abtastverfahren.
DE69123913T2 (de) Vorrichtung zum Aufzeichnen und Wiedergeben von Video- und Audiodaten
DE69527775T2 (de) Aufnahme- und wiedergabevorrichtung
DE69019947D1 (de) Plattenspieler.
DE69222578D1 (de) Tonaufnahme- und Wiedergabegerät
DE69028086T2 (de) Plattenabspielgerät
DE69019743T2 (de) Magnetische aufzeichnung und wiedergabevorrichtung.
DE69113920T2 (de) Servosignalaufnahmemethode und Gerät dazu.
FR2670351B1 (fr) Appareil de prise et de restitution du son.
NO900257D0 (no) Fremgangsmaate for ultralydundersoekelse av sveisefuger.
NO922651D0 (no) Spilleapparat

Legal Events

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

Effective date: 20060831