FR2334259A1 - Nouvelle enceinte acoustique - Google Patents

Nouvelle enceinte acoustique

Info

Publication number
FR2334259A1
FR2334259A1 FR7536678A FR7536678A FR2334259A1 FR 2334259 A1 FR2334259 A1 FR 2334259A1 FR 7536678 A FR7536678 A FR 7536678A FR 7536678 A FR7536678 A FR 7536678A FR 2334259 A1 FR2334259 A1 FR 2334259A1
Authority
FR
France
Prior art keywords
glass fibre
low frequency
frequency response
sound pipe
cabinet
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
FR7536678A
Other languages
English (en)
French (fr)
Other versions
FR2334259B1 (cs
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.)
ART ACOUSTIQUE APPLIQUEE
Original Assignee
ART ACOUSTIQUE APPLIQUEE
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 ART ACOUSTIQUE APPLIQUEE filed Critical ART ACOUSTIQUE APPLIQUEE
Priority to FR7536678A priority Critical patent/FR2334259A1/fr
Publication of FR2334259A1 publication Critical patent/FR2334259A1/fr
Application granted granted Critical
Publication of FR2334259B1 publication Critical patent/FR2334259B1/fr
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807Enclosures comprising vibrating or resonating arrangements
    • H04R1/2853Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line
    • H04R1/2857Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line for loudspeaker transducers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2869Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
    • H04R1/2876Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding
    • H04R1/288Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding for loudspeaker transducers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Exhaust Silencers (AREA)
FR7536678A 1975-12-01 1975-12-01 Nouvelle enceinte acoustique Granted FR2334259A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7536678A FR2334259A1 (fr) 1975-12-01 1975-12-01 Nouvelle enceinte acoustique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7536678A FR2334259A1 (fr) 1975-12-01 1975-12-01 Nouvelle enceinte acoustique

Publications (2)

Publication Number Publication Date
FR2334259A1 true FR2334259A1 (fr) 1977-07-01
FR2334259B1 FR2334259B1 (cs) 1978-05-12

Family

ID=9163134

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7536678A Granted FR2334259A1 (fr) 1975-12-01 1975-12-01 Nouvelle enceinte acoustique

Country Status (1)

Country Link
FR (1) FR2334259A1 (cs)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2418990A1 (fr) * 1978-03-03 1979-09-28 Brothier Laboratoires Emetteur de son utilisant un haut-parleur
FR2433268A1 (fr) * 1978-08-11 1980-03-07 Kerno Roland Perfectionnements apportes aux amenagements de dispositifs acoustiques du type enceintes acoustiques
EP0111408A1 (en) * 1982-12-02 1984-06-20 Celestion International Limited Loudspeaker cabinets
WO1985003186A1 (en) * 1984-01-06 1985-07-18 Asquith, Anthony Loudspeaker system with boundary layer control

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2418990A1 (fr) * 1978-03-03 1979-09-28 Brothier Laboratoires Emetteur de son utilisant un haut-parleur
FR2433268A1 (fr) * 1978-08-11 1980-03-07 Kerno Roland Perfectionnements apportes aux amenagements de dispositifs acoustiques du type enceintes acoustiques
EP0111408A1 (en) * 1982-12-02 1984-06-20 Celestion International Limited Loudspeaker cabinets
WO1985003186A1 (en) * 1984-01-06 1985-07-18 Asquith, Anthony Loudspeaker system with boundary layer control

Also Published As

Publication number Publication date
FR2334259B1 (cs) 1978-05-12

Similar Documents

Publication Publication Date Title
AU544468B2 (en) Acoustic modifiers
ES288111U (es) Una caja acustica con un filtro acustico paso-banda integra-do
GB1544361A (en) Process for making sound insulation panels
DK162849C (da) Lydabsorberende byggeblok
JPS5687998A (en) Microphone sound inlet
FI844738L (fi) Saett och apparat foer aktivering av stora partiklar.
FR2334259A1 (fr) Nouvelle enceinte acoustique
GB1147492A (en) Sound absorbing device
IT1080326B (it) Pannelli metallici fonoassorbenti e loro produzione
JPS5573200A (en) Capacitor-type speaker
JPS5439626A (en) Cone type honeycomb form diaphragm
JPS53116101A (en) Acoustic reproducer
FR2350556A1 (fr) Element prefabrique de ventilation et de climatisation
GB765184A (en) Improvements in or relating to loudspeakers
FR2414275A1 (fr) Enceinte acoustique pour haut-parleur
BE818093A (fr) Panneaux d'isolation acoustique et leur procede de fabrication
JPS53125820A (en) Speaker system
FR2266251A1 (en) Sound insulation for industrial air compressor - has separate insulating panels attached to ventilator unit at one end
FR2312909A1 (fr) Enceinte acoustique perfectionnee
JPS5245716A (en) Sealed type motor compressor
JPS56107693A (en) Sound absorbing pipe speaker
JPS529921A (en) High performance sound insulation wall
JPS5297010A (en) Exhasut air silencer
GB932521A (en) Improvements relating to noise reducing enclosures
JPS5377679A (en) Watch with alarm

Legal Events

Date Code Title Description
ST Notification of lapse