FR2145050A5 - - Google Patents

Info

Publication number
FR2145050A5
FR2145050A5 FR7124847A FR7124847A FR2145050A5 FR 2145050 A5 FR2145050 A5 FR 2145050A5 FR 7124847 A FR7124847 A FR 7124847A FR 7124847 A FR7124847 A FR 7124847A FR 2145050 A5 FR2145050 A5 FR 2145050A5
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
FR7124847A
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.)
WATTSON ETUDE EXPLOIT
Original Assignee
WATTSON ETUDE EXPLOIT
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 WATTSON ETUDE EXPLOIT filed Critical WATTSON ETUDE EXPLOIT
Priority to FR7124847A priority Critical patent/FR2145050A5/fr
Application granted granted Critical
Publication of FR2145050A5 publication Critical patent/FR2145050A5/fr
Expired 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
    • H04R1/2869—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
    • 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
    • H04R1/2853—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line
    • H04R1/2857—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line for loudspeaker transducers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR7124847A 1971-07-07 1971-07-07 Expired FR2145050A5 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7124847A FR2145050A5 (fr) 1971-07-07 1971-07-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7124847A FR2145050A5 (fr) 1971-07-07 1971-07-07

Publications (1)

Publication Number Publication Date
FR2145050A5 true FR2145050A5 (fr) 1973-02-16

Family

ID=9079971

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7124847A Expired FR2145050A5 (fr) 1971-07-07 1971-07-07

Country Status (1)

Country Link
FR (1) FR2145050A5 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0489551A2 (fr) * 1990-12-03 1992-06-10 Bose Corporation Système de haut-parleur avec sous-chambres multiples

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0489551A2 (fr) * 1990-12-03 1992-06-10 Bose Corporation Système de haut-parleur avec sous-chambres multiples
EP0489551A3 (en) * 1990-12-03 1993-04-14 Bose Corporation Loudspeaker system having multiple subchambers

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Legal Events

Date Code Title Description
ST Notification of lapse