FR2870665B1 - Cannalisation de l'onde sonore et absorption - Google Patents

Cannalisation de l'onde sonore et absorption

Info

Publication number
FR2870665B1
FR2870665B1 FR0405521A FR0405521A FR2870665B1 FR 2870665 B1 FR2870665 B1 FR 2870665B1 FR 0405521 A FR0405521 A FR 0405521A FR 0405521 A FR0405521 A FR 0405521A FR 2870665 B1 FR2870665 B1 FR 2870665B1
Authority
FR
France
Prior art keywords
canalization
absorption
sound wave
sound
wave
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
FR0405521A
Other languages
English (en)
Other versions
FR2870665A1 (fr
Inventor
Nicolas Dutrieux
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR0405521A priority Critical patent/FR2870665B1/fr
Publication of FR2870665A1 publication Critical patent/FR2870665A1/fr
Application granted granted Critical
Publication of FR2870665B1 publication Critical patent/FR2870665B1/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
    • 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)
FR0405521A 2004-05-21 2004-05-21 Cannalisation de l'onde sonore et absorption Expired - Fee Related FR2870665B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0405521A FR2870665B1 (fr) 2004-05-21 2004-05-21 Cannalisation de l'onde sonore et absorption

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0405521A FR2870665B1 (fr) 2004-05-21 2004-05-21 Cannalisation de l'onde sonore et absorption

Publications (2)

Publication Number Publication Date
FR2870665A1 FR2870665A1 (fr) 2005-11-25
FR2870665B1 true FR2870665B1 (fr) 2007-02-16

Family

ID=34949294

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0405521A Expired - Fee Related FR2870665B1 (fr) 2004-05-21 2004-05-21 Cannalisation de l'onde sonore et absorption

Country Status (1)

Country Link
FR (1) FR2870665B1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8400181A (nl) * 1983-01-28 1984-08-16 John Gerard Beerends Karol Joh Luidsprekerkast.
JPH0223000A (ja) * 1988-07-12 1990-01-25 Hiroaki Otani 拡散器
DE4000132A1 (de) * 1990-01-04 1991-07-11 Prodan Hans Joachim Lautsprechergehaeuse
US5432860A (en) * 1990-02-09 1995-07-11 Mitsubishi Denki Kabushiki Kaisha Speaker system

Also Published As

Publication number Publication date
FR2870665A1 (fr) 2005-11-25

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Legal Events

Date Code Title Description
CA Change of address
ST Notification of lapse

Effective date: 20140131