FR2955731B1 - Enceinte acoustique comprenant au moins une membrane d'attenuation acoustique - Google Patents

Enceinte acoustique comprenant au moins une membrane d'attenuation acoustique

Info

Publication number
FR2955731B1
FR2955731B1 FR1050446A FR1050446A FR2955731B1 FR 2955731 B1 FR2955731 B1 FR 2955731B1 FR 1050446 A FR1050446 A FR 1050446A FR 1050446 A FR1050446 A FR 1050446A FR 2955731 B1 FR2955731 B1 FR 2955731B1
Authority
FR
France
Prior art keywords
acoustical
mitigation
membrane
acoustic enclosure
enclosure
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
FR1050446A
Other languages
English (en)
Other versions
FR2955731A1 (fr
Inventor
Gerald Kergourlay
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to FR1050446A priority Critical patent/FR2955731B1/fr
Publication of FR2955731A1 publication Critical patent/FR2955731A1/fr
Application granted granted Critical
Publication of FR2955731B1 publication Critical patent/FR2955731B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/002—Damping circuit arrangements for transducers, e.g. motional feedback circuits

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)
FR1050446A 2010-01-22 2010-01-22 Enceinte acoustique comprenant au moins une membrane d'attenuation acoustique Expired - Fee Related FR2955731B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1050446A FR2955731B1 (fr) 2010-01-22 2010-01-22 Enceinte acoustique comprenant au moins une membrane d'attenuation acoustique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1050446A FR2955731B1 (fr) 2010-01-22 2010-01-22 Enceinte acoustique comprenant au moins une membrane d'attenuation acoustique

Publications (2)

Publication Number Publication Date
FR2955731A1 FR2955731A1 (fr) 2011-07-29
FR2955731B1 true FR2955731B1 (fr) 2012-08-24

Family

ID=42370945

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1050446A Expired - Fee Related FR2955731B1 (fr) 2010-01-22 2010-01-22 Enceinte acoustique comprenant au moins une membrane d'attenuation acoustique

Country Status (1)

Country Link
FR (1) FR2955731B1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9716940B2 (en) 2013-03-22 2017-07-25 Flare Audio Technologies Limited Acoustic device
CN104836473B (zh) * 2014-02-07 2018-11-02 北京纳米能源与系统研究所 采集声音能量的发电机和声音传感器
CN108199559A (zh) * 2018-02-28 2018-06-22 成都斯铂润音响设备有限公司 声波能量吸收装置
US11812219B2 (en) * 2021-07-23 2023-11-07 Toyota Motor Engineering & Manufacturing North America, Inc. Asymmetry sound absorbing system via shunted speakers

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4126204A (en) * 1976-02-02 1978-11-21 Trio Kabushiki Kaisha Speaker system
US5012890A (en) * 1988-03-23 1991-05-07 Yamaha Corporation Acoustic apparatus
US5150417A (en) * 1991-02-25 1992-09-22 Socon Ab Bass reflex type speaker system
US5812686A (en) * 1992-03-24 1998-09-22 Hobelsberger; Maximilian Hans Device for active simultation of an acoustical impedance
US7463744B2 (en) * 2003-10-31 2008-12-09 Bose Corporation Porting

Also Published As

Publication number Publication date
FR2955731A1 (fr) 2011-07-29

Similar Documents

Publication Publication Date Title
ITMI20111409A1 (it) Procedimento e dispositivo per lo smorzamento attivo di un trasduttore acustico
IT1399905B1 (it) Struttura tessile laminare, particolarmente idonea per componenti acustici.
EP2323599A4 (fr) Bouchon d'oreille atténuateur de son à prise de forme automatique
ATE554604T1 (de) Verbesserter ohrhörer
BRPI1008266A2 (pt) disposição canceladora de eco acustico de múltiplos canais e método de cancelamento de eco acústico de múltiplos canais
IT1400778B1 (it) Dispositivo di soppressione di vibrazioni
FR2987079B1 (fr) Cone d'echappement avec systeme d'attenuation acoustique
ITMI20111638A1 (it) Dispositivo di soppressione di vibrazione
BRPI0920481A2 (pt) dispositivo transdutor acústico, microfone e transdutor
EP2579612A4 (fr) Dispositif de haut-parleur, système de simulation de source sonore, et système d'annulation d'écho
DE112012002158T8 (de) Aktivgeräuschbeseitigungsvorrichtung
IT1393670B1 (it) Dispositivo di timbratura
EP2579617A4 (fr) Transducteur acoustique, et microphone utilisant le transducteur acoustique
BRPI0914560A2 (pt) pestivírus atenuado
FR2963469B1 (fr) Panneau acoustique
FR2955731B1 (fr) Enceinte acoustique comprenant au moins une membrane d'attenuation acoustique
IT1399199B1 (it) Cerniera flessibile compatta per occhiali.
IT1393155B1 (it) Barriera antirumore con caratteristiche di fonoisolamento e fonoassorbenza variabili
BRPI0721798A2 (pt) Supressão de incêndio
DK2326970T3 (da) Akustisk transducer til båndstråler
GB201018316D0 (en) Acoustic room enclosure
BRPI0820115A2 (pt) Transdutor acústico
FR2953635B1 (fr) Dispositif d'absorption acoustique
FR2945904B1 (fr) Dispositif acoustique
FR2945905B1 (fr) Dispositif acoustique

Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 7

ST Notification of lapse

Effective date: 20170929