AU4850296A - Loudspeaker device - Google Patents

Loudspeaker device

Info

Publication number
AU4850296A
AU4850296A AU48502/96A AU4850296A AU4850296A AU 4850296 A AU4850296 A AU 4850296A AU 48502/96 A AU48502/96 A AU 48502/96A AU 4850296 A AU4850296 A AU 4850296A AU 4850296 A AU4850296 A AU 4850296A
Authority
AU
Australia
Prior art keywords
loudspeaker device
loudspeaker
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.)
Abandoned
Application number
AU48502/96A
Inventor
Willibrordus Hermanus Korfage
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
Publication of AU4850296A publication Critical patent/AU4850296A/en
Abandoned 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
    • H04R1/2853—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line
    • H04R1/2857—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line 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 
    • H04R1/28—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 
    • H04R1/227—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  using transducers reproducing the same frequency band
    • 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
    • H04R1/22—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)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
AU48502/96A 1995-03-06 1996-03-06 Loudspeaker device Abandoned AU4850296A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL9500440A NL9500440A (en) 1995-03-06 1995-03-06 Loudspeaker device.
NL9500440 1995-03-06
PCT/NL1996/000104 WO1996027999A1 (en) 1995-03-06 1996-03-06 Loudspeaker device

Publications (1)

Publication Number Publication Date
AU4850296A true AU4850296A (en) 1996-09-23

Family

ID=19865682

Family Applications (1)

Application Number Title Priority Date Filing Date
AU48502/96A Abandoned AU4850296A (en) 1995-03-06 1996-03-06 Loudspeaker device

Country Status (4)

Country Link
EP (1) EP0876740A1 (en)
AU (1) AU4850296A (en)
NL (1) NL9500440A (en)
WO (1) WO1996027999A1 (en)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3007895A1 (en) * 1980-03-01 1981-10-15 Hans-Jürgen 4000 Düsseldorf Lochbühler Multiple loudspeaker assembly for bass range - has high wooden frame with triangular or square cross-section
DE3213531A1 (en) * 1982-04-10 1983-10-20 Jens 2000 Hamburg Buckbesch Material for loudspeaker housings, sound guides and sound insulation
FR2615064A1 (en) * 1987-05-05 1988-11-10 Gremaud Herve Acoustic column with ground effect
US4953223A (en) * 1988-09-08 1990-08-28 Householder George G Speaker mounting system
US4964482A (en) * 1989-02-23 1990-10-23 Meyer John E Loudspeaker enclosure
FR2653630B1 (en) * 1989-10-23 1994-01-14 Di Carlo Gilles Scotto ACOUSTIC SPEAKER STRUCTURE.
GB2250157A (en) * 1990-11-15 1992-05-27 Stuart Victor Showell Loudspeaker enclosures
DE4131712C2 (en) * 1990-12-19 1994-12-08 Rainer Keplinger Speaker unit
DE4227696A1 (en) * 1992-08-21 1994-02-24 Reinhard Chemnitz Spherical loudspeaker housing consists of concrete - applied manually on inner surface of shape made of two half-shells, housing has irregular surface structure

Also Published As

Publication number Publication date
EP0876740A1 (en) 1998-11-11
NL9500440A (en) 1996-10-01
WO1996027999A1 (en) 1996-09-12

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