AU1314197A - Sound recording apparatuses and sound recording and reproducing apparatuses - Google Patents

Sound recording apparatuses and sound recording and reproducing apparatuses

Info

Publication number
AU1314197A
AU1314197A AU13141/97A AU1314197A AU1314197A AU 1314197 A AU1314197 A AU 1314197A AU 13141/97 A AU13141/97 A AU 13141/97A AU 1314197 A AU1314197 A AU 1314197A AU 1314197 A AU1314197 A AU 1314197A
Authority
AU
Australia
Prior art keywords
sound recording
apparatuses
reproducing
reproducing apparatuses
sound
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.)
Abandoned
Application number
AU13141/97A
Inventor
Frederic Zurcher
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
Original Assignee
Prescom
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 filed Critical Prescom
Publication of AU1314197A publication Critical patent/AU1314197A/en
Abandoned 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
    • 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
    • H04R27/00—Public address systems

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • General Health & Medical Sciences (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
AU13141/97A 1996-01-17 1997-01-15 Sound recording apparatuses and sound recording and reproducing apparatuses Abandoned AU1314197A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9600488A FR2743685B1 (en) 1996-01-17 1996-01-17 SOUND-TAKING APPARATUS AND SOUND-TAKING AND SOUND-MAKING APPARATUS
FR9600488 1996-01-17
PCT/FR1997/000072 WO1997026774A1 (en) 1996-01-17 1997-01-15 Sound recording apparatuses and sound recording and reproducing apparatuses

Publications (1)

Publication Number Publication Date
AU1314197A true AU1314197A (en) 1997-08-11

Family

ID=9488182

Family Applications (1)

Application Number Title Priority Date Filing Date
AU13141/97A Abandoned AU1314197A (en) 1996-01-17 1997-01-15 Sound recording apparatuses and sound recording and reproducing apparatuses

Country Status (3)

Country Link
AU (1) AU1314197A (en)
FR (1) FR2743685B1 (en)
WO (1) WO1997026774A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1181846A (en) * 1967-08-15 1970-02-18 Farrat Machinery Ltd Improvements in Vibration Absorbing Pads
FR2617660B1 (en) * 1987-06-30 1990-06-08 Larvor Rene SOUND RECORDING AND RESTITUTION DEVICE, PARTICULARLY FOR AUDIO-CONFERENCES
JPH0544777A (en) * 1991-08-09 1993-02-23 Sharp Corp Vibration absorber
FR2702918B1 (en) * 1993-03-19 1995-05-12 Prescom Sarl Sound recording and reproducing apparatus, and its application to audio conference.

Also Published As

Publication number Publication date
WO1997026774A1 (en) 1997-07-24
FR2743685A1 (en) 1997-07-18
FR2743685B1 (en) 1998-02-20

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