EP0531998A2 - Haut-parleur et structure de son couverture - Google Patents

Haut-parleur et structure de son couverture Download PDF

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Publication number
EP0531998A2
EP0531998A2 EP92115503A EP92115503A EP0531998A2 EP 0531998 A2 EP0531998 A2 EP 0531998A2 EP 92115503 A EP92115503 A EP 92115503A EP 92115503 A EP92115503 A EP 92115503A EP 0531998 A2 EP0531998 A2 EP 0531998A2
Authority
EP
European Patent Office
Prior art keywords
speaker unit
sound
unit support
support
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.)
Granted
Application number
EP92115503A
Other languages
German (de)
English (en)
Other versions
EP0531998B1 (fr
EP0531998A3 (fr
Inventor
Teppi Yamada-Scriba
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.)
NPL KK
Original Assignee
NPL KK
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
Priority claimed from US07/757,765 external-priority patent/US5194701A/en
Priority claimed from JP1991108888U external-priority patent/JPH0747030Y2/ja
Application filed by NPL KK filed Critical NPL KK
Publication of EP0531998A2 publication Critical patent/EP0531998A2/fr
Publication of EP0531998A3 publication Critical patent/EP0531998A3/xx
Application granted granted Critical
Publication of EP0531998B1 publication Critical patent/EP0531998B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/026—Supports for loudspeaker casings

Definitions

  • a speaker unit casing structure including a box-like speaker unit support of a high-rigid material is so constructed according to the present invention that the whole inner and outer surface of said box-like enclosure is covered with a sound absorbing material, and that the covering of the sound absorbing material is covered with a sheet of sound barrier material which is characteristic of an increased acoustic loss, thus providing a sound barrier enclosure.

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)
EP19920115503 1991-09-11 1992-09-10 Haut-parleur et structure de son couverture Expired - Lifetime EP0531998B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US07/757,765 US5194701A (en) 1991-09-11 1991-09-11 Speaker structure
US757765 1991-09-11
JP108888/91U 1991-12-09
JP1991108888U JPH0747030Y2 (ja) 1991-12-09 1991-12-09 スピーカの構造

Publications (3)

Publication Number Publication Date
EP0531998A2 true EP0531998A2 (fr) 1993-03-17
EP0531998A3 EP0531998A3 (fr) 1994-02-16
EP0531998B1 EP0531998B1 (fr) 1997-04-09

Family

ID=26448701

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19920115503 Expired - Lifetime EP0531998B1 (fr) 1991-09-11 1992-09-10 Haut-parleur et structure de son couverture

Country Status (3)

Country Link
EP (1) EP0531998B1 (fr)
DE (1) DE69218861T2 (fr)
DK (1) DK0531998T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2738983A1 (fr) * 1995-09-20 1997-03-21 Aubriot Cedric Enceinte acoustique du type comportant une structure rigide supportant au moins un haut-parleur fixe sur une paroi plane
EP2396481A4 (fr) * 2009-02-13 2012-08-01 Nokia Corp Disposition de retenue de matériau adsorbant
GB2507846A (en) * 2012-08-28 2014-05-14 Add On Technology Co Ltd A vibration-absorbing shell or sleeve for a wirelessly-connected speaker device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3867996A (en) * 1973-11-21 1975-02-25 Modular Sound Systems Inc Speaker enclosure
DE3223721A1 (de) * 1982-06-25 1983-12-29 Günther Dipl.-Ing. 5100 Aachen Penning Halterung fuer lautsprecherboxen
JPH0326714Y2 (fr) * 1986-02-24 1991-06-10

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2738983A1 (fr) * 1995-09-20 1997-03-21 Aubriot Cedric Enceinte acoustique du type comportant une structure rigide supportant au moins un haut-parleur fixe sur une paroi plane
EP2396481A4 (fr) * 2009-02-13 2012-08-01 Nokia Corp Disposition de retenue de matériau adsorbant
US8292023B2 (en) 2009-02-13 2012-10-23 Nokia Corporation Enclosing adsorbent material
GB2507846A (en) * 2012-08-28 2014-05-14 Add On Technology Co Ltd A vibration-absorbing shell or sleeve for a wirelessly-connected speaker device
GB2507846B (en) * 2012-08-28 2015-02-18 Add On Technology Co Ltd A battery-powered sound device with mounting element made of vibration absorbing material

Also Published As

Publication number Publication date
DK0531998T3 (da) 1997-05-05
EP0531998B1 (fr) 1997-04-09
DE69218861D1 (de) 1997-05-15
EP0531998A3 (fr) 1994-02-16
DE69218861T2 (de) 1997-11-20

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