FR2372566B1 - - Google Patents

Info

Publication number
FR2372566B1
FR2372566B1 FR7635488A FR7635488A FR2372566B1 FR 2372566 B1 FR2372566 B1 FR 2372566B1 FR 7635488 A FR7635488 A FR 7635488A FR 7635488 A FR7635488 A FR 7635488A FR 2372566 B1 FR2372566 B1 FR 2372566B1
Authority
FR
France
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
Application number
FR7635488A
Other languages
French (fr)
Other versions
FR2372566A1 (fr
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.)
3A ART ACOUSTIQUE APPLIQUEE SA
Original Assignee
3A ART ACOUSTIQUE APPLIQUEE SA
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 3A ART ACOUSTIQUE APPLIQUEE SA filed Critical 3A ART ACOUSTIQUE APPLIQUEE SA
Priority to FR7635488A priority Critical patent/FR2372566A1/fr
Publication of FR2372566A1 publication Critical patent/FR2372566A1/fr
Application granted granted Critical
Publication of FR2372566B1 publication Critical patent/FR2372566B1/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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2815—Enclosures comprising vibrating or resonating arrangements of the bass reflex type
    • H04R1/2819—Enclosures comprising vibrating or resonating arrangements of the bass reflex type for loudspeaker transducers
    • 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
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges
    • 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
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
    • H04R1/2876—Reduction 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
    • H04R1/288—Reduction 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)
  • Details Of Audible-Bandwidth Transducers (AREA)
FR7635488A 1976-11-25 1976-11-25 Enceinte acoustique perfectionnee Granted FR2372566A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7635488A FR2372566A1 (fr) 1976-11-25 1976-11-25 Enceinte acoustique perfectionnee

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7635488A FR2372566A1 (fr) 1976-11-25 1976-11-25 Enceinte acoustique perfectionnee

Publications (2)

Publication Number Publication Date
FR2372566A1 FR2372566A1 (fr) 1978-06-23
FR2372566B1 true FR2372566B1 (OSRAM) 1980-04-11

Family

ID=9180294

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7635488A Granted FR2372566A1 (fr) 1976-11-25 1976-11-25 Enceinte acoustique perfectionnee

Country Status (1)

Country Link
FR (1) FR2372566A1 (OSRAM)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0375714B1 (en) * 1987-08-21 1993-03-31 Thomas ASTRÖM Loudspeaker
US6073723A (en) * 1998-06-05 2000-06-13 Gallo; Anthony Acoustic damping material

Also Published As

Publication number Publication date
FR2372566A1 (fr) 1978-06-23

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Legal Events

Date Code Title Description
ST Notification of lapse