FR2869755B1 - Dispositif pour focaliser les vibrations sonores produites par un haut-parleur a membrane - Google Patents

Dispositif pour focaliser les vibrations sonores produites par un haut-parleur a membrane

Info

Publication number
FR2869755B1
FR2869755B1 FR0404678A FR0404678A FR2869755B1 FR 2869755 B1 FR2869755 B1 FR 2869755B1 FR 0404678 A FR0404678 A FR 0404678A FR 0404678 A FR0404678 A FR 0404678A FR 2869755 B1 FR2869755 B1 FR 2869755B1
Authority
FR
France
Prior art keywords
sound vibrations
vibrations produced
focusing sound
membrane speaker
speaker
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 - Lifetime
Application number
FR0404678A
Other languages
English (en)
Other versions
FR2869755A1 (fr
Inventor
Eric Roger Claude Lafontaine
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 FR0404678A priority Critical patent/FR2869755B1/fr
Publication of FR2869755A1 publication Critical patent/FR2869755A1/fr
Application granted granted Critical
Publication of FR2869755B1 publication Critical patent/FR2869755B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04R1/2884—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of the enclosure structure, i.e. strengthening or shape of the enclosure
    • H04R1/2888—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of the enclosure structure, i.e. strengthening or shape of the enclosure 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
    • H04R1/32—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
    • H04R1/345—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 loudspeakers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
FR0404678A 2004-05-03 2004-05-03 Dispositif pour focaliser les vibrations sonores produites par un haut-parleur a membrane Expired - Lifetime FR2869755B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0404678A FR2869755B1 (fr) 2004-05-03 2004-05-03 Dispositif pour focaliser les vibrations sonores produites par un haut-parleur a membrane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0404678A FR2869755B1 (fr) 2004-05-03 2004-05-03 Dispositif pour focaliser les vibrations sonores produites par un haut-parleur a membrane

Publications (2)

Publication Number Publication Date
FR2869755A1 FR2869755A1 (fr) 2005-11-04
FR2869755B1 true FR2869755B1 (fr) 2007-05-04

Family

ID=34948422

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0404678A Expired - Lifetime FR2869755B1 (fr) 2004-05-03 2004-05-03 Dispositif pour focaliser les vibrations sonores produites par un haut-parleur a membrane

Country Status (1)

Country Link
FR (1) FR2869755B1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2623337B1 (fr) * 1987-11-18 1990-06-08 Dehaeze Jean Marie
JP2701279B2 (ja) * 1987-12-28 1998-01-21 ヤマハ株式会社 音響装置
DE19527499C1 (de) * 1995-07-27 1996-07-25 Rudolf Mechow Lautsprecher mit Kegelreflektor
JP3186584B2 (ja) * 1996-05-31 2001-07-11 株式会社村田製作所 スピーカ

Also Published As

Publication number Publication date
FR2869755A1 (fr) 2005-11-04

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Legal Events

Date Code Title Description
CA Change of address

Effective date: 20140314

RT Complete renunciation

Effective date: 20140530