FR2727819B1 - Dispositif a event pour emetteur de son - Google Patents

Dispositif a event pour emetteur de son

Info

Publication number
FR2727819B1
FR2727819B1 FR9414680A FR9414680A FR2727819B1 FR 2727819 B1 FR2727819 B1 FR 2727819B1 FR 9414680 A FR9414680 A FR 9414680A FR 9414680 A FR9414680 A FR 9414680A FR 2727819 B1 FR2727819 B1 FR 2727819B1
Authority
FR
France
Prior art keywords
vent device
sound transmitter
transmitter
sound
vent
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
FR9414680A
Other languages
English (en)
Other versions
FR2727819A1 (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.)
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 FR9414680A priority Critical patent/FR2727819B1/fr
Publication of FR2727819A1 publication Critical patent/FR2727819A1/fr
Application granted granted Critical
Publication of FR2727819B1 publication Critical patent/FR2727819B1/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
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2815—Enclosures comprising vibrating or resonating arrangements of the bass reflex type
    • H04R1/2823—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material
    • H04R1/2826—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material for loudspeaker transducers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
FR9414680A 1994-12-02 1994-12-02 Dispositif a event pour emetteur de son Expired - Fee Related FR2727819B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9414680A FR2727819B1 (fr) 1994-12-02 1994-12-02 Dispositif a event pour emetteur de son

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9414680A FR2727819B1 (fr) 1994-12-02 1994-12-02 Dispositif a event pour emetteur de son

Publications (2)

Publication Number Publication Date
FR2727819A1 FR2727819A1 (fr) 1996-06-07
FR2727819B1 true FR2727819B1 (fr) 1998-04-30

Family

ID=9469540

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9414680A Expired - Fee Related FR2727819B1 (fr) 1994-12-02 1994-12-02 Dispositif a event pour emetteur de son

Country Status (1)

Country Link
FR (1) FR2727819B1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB747263A (en) * 1953-05-21 1956-03-28 Goodmans Ind Ltd Improvements in or relating to loudspeaker cabinets
GB1069758A (en) * 1963-09-18 1967-05-24 Frank Bruno Smolarczyk Sound amplification using foamed thermoplastics
JPS5435704Y2 (fr) * 1976-01-19 1979-10-30
FR2399176A1 (fr) * 1977-07-26 1979-02-23 Bailleux Jean Philippe Dispositif permettant une meilleure reproduction des frequences sonores audibles pour enceinte acoustique
AU542761B3 (en) * 1985-01-16 1985-05-02 Radovan Roy Zunic Inner bass reflex
JP2751190B2 (ja) * 1988-03-25 1998-05-18 ヤマハ株式会社 音響再生帯域拡大装置およびその方法

Also Published As

Publication number Publication date
FR2727819A1 (fr) 1996-06-07

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20060831