GB9518427D0 - Loudspeaker systems - Google Patents

Loudspeaker systems

Info

Publication number
GB9518427D0
GB9518427D0 GBGB9518427.1A GB9518427A GB9518427D0 GB 9518427 D0 GB9518427 D0 GB 9518427D0 GB 9518427 A GB9518427 A GB 9518427A GB 9518427 D0 GB9518427 D0 GB 9518427D0
Authority
GB
United Kingdom
Prior art keywords
loudspeaker systems
loudspeaker
systems
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.)
Withdrawn
Application number
GBGB9518427.1A
Other versions
GB2290672A (en
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.)
B&W Loudspeakers Ltd
Original Assignee
B&W Loudspeakers Ltd
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 B&W Loudspeakers Ltd filed Critical B&W Loudspeakers Ltd
Priority to GB9518427A priority Critical patent/GB2290672A/en
Publication of GB9518427D0 publication Critical patent/GB9518427D0/en
Publication of GB2290672A publication Critical patent/GB2290672A/en
Withdrawn legal-status Critical Current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 
    • H04R1/28—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)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
GB9518427A 1995-09-08 1995-09-08 Loudspeaker systems Withdrawn GB2290672A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9518427A GB2290672A (en) 1995-09-08 1995-09-08 Loudspeaker systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9518427A GB2290672A (en) 1995-09-08 1995-09-08 Loudspeaker systems

Publications (2)

Publication Number Publication Date
GB9518427D0 true GB9518427D0 (en) 1995-11-08
GB2290672A GB2290672A (en) 1996-01-03

Family

ID=10780446

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9518427A Withdrawn GB2290672A (en) 1995-09-08 1995-09-08 Loudspeaker systems

Country Status (1)

Country Link
GB (1) GB2290672A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2324928B (en) 1997-05-02 2001-09-12 B & W Loudspeakers Loudspeaker systems
JPH11220789A (en) * 1998-01-30 1999-08-10 Sony Corp Electrical acoustic conversion device
GR980100265A (en) * 1998-07-08 2000-03-31 Electroacoustic transformer with increased low frequency bandwidth with the use of a transparent, finite limit not passed by sounds
GB2380091B (en) 2001-09-21 2005-03-30 B & W Loudspeakers Loudspeaker system
GB0410962D0 (en) 2004-05-17 2004-06-16 Mordaunt Short Ltd Loudspeaker
US8205712B2 (en) * 2007-09-21 2012-06-26 Dickie Laurence George Ported loudspeaker enclosure with tapered waveguide absorber
CN108141659A (en) 2015-07-21 2018-06-08 诺威尔声学有限公司 Loudspeaker and its manufacturing method
US10701479B2 (en) 2016-01-05 2020-06-30 Novel Acoustics Ltd. Headphone or earphone device
GB2590656A (en) 2019-12-23 2021-07-07 Gp Acoustics International Ltd Loudspeakers
EP4068276A1 (en) * 2021-03-29 2022-10-05 BAE SYSTEMS plc Acoustic absorbing structures
EP4315315A1 (en) * 2021-03-29 2024-02-07 BAE SYSTEMS plc Acoustic absorbing structures
GB2620430A (en) * 2022-07-08 2024-01-10 Nisim Dahan Midbar An enclosure for an electroacoustic transducer

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB402600A (en) * 1931-11-27 1933-12-07 Harold Lister Kirke Improvements in or relating to loudspeakers
GB434563A (en) * 1934-08-13 1935-09-04 Philip Keston Turner Improvements in and relating to baffles and containers for loud speakers
GB547922A (en) * 1940-07-17 1942-09-17 Standard Telephones Cables Ltd Sound absorbing apparatus
GB864683A (en) * 1958-04-08 1961-04-06 Decca Record Co Ltd Improvements in or relating to loudspeakers
SE358800B (en) * 1972-02-29 1973-08-06 Bostedt J
US4439644A (en) * 1981-11-24 1984-03-27 Edmund M. Jaskiewicz Loud speaker enclosure
JPS5972294A (en) * 1982-10-18 1984-04-24 Hisaji Nakamura Speaker device
US4592444A (en) * 1983-02-28 1986-06-03 Perrigo Stephen M Low frequency speaker enclosure
US4752963A (en) * 1985-06-12 1988-06-21 Kabushiki Kaisha Kenwood Electroacoustic converter having a recessed step on the center pole
US4657107A (en) * 1986-02-18 1987-04-14 Harwood Warren S Loudspeaker cabinet
US5073948A (en) * 1989-10-10 1991-12-17 Vandersteen Richard J Midrange loudspeaker driver
US5206465A (en) * 1990-06-01 1993-04-27 Gin Kon Jung Sound collecting and concentrating device for attaching to the back of a loudspeaker

Also Published As

Publication number Publication date
GB2290672A (en) 1996-01-03

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)