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HK1016007A1 - B&w loudspeakers limited, gb - Google Patents

B&w loudspeakers limited, gb

Info

Publication number
HK1016007A1
HK1016007A1 HK99100831A HK99100831A HK1016007A1 HK 1016007 A1 HK1016007 A1 HK 1016007A1 HK 99100831 A HK99100831 A HK 99100831A HK 99100831 A HK99100831 A HK 99100831A HK 1016007 A1 HK1016007 A1 HK 1016007A1
Authority
HK
Hong Kong
Prior art keywords
enclosure
tube
drive unit
loudspeaker drive
frequencies
Prior art date
Application number
HK99100831A
Other languages
English (en)
Inventor
Stuart Michael Nevill
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 filed Critical
Publication of HK1016007A1 publication Critical patent/HK1016007A1/xx

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
    • H04R1/2819—Enclosures comprising vibrating or resonating arrangements of the bass reflex type 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)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
HK99100831A 1997-05-02 1999-03-01 B&w loudspeakers limited, gb HK1016007A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9709109A GB2324928B (en) 1997-05-02 1997-05-02 Loudspeaker systems

Publications (1)

Publication Number Publication Date
HK1016007A1 true HK1016007A1 (en) 1999-10-22

Family

ID=10811836

Family Applications (1)

Application Number Title Priority Date Filing Date
HK99100831A HK1016007A1 (en) 1997-05-02 1999-03-01 B&w loudspeakers limited, gb

Country Status (10)

Country Link
US (1) US6377696B1 (xx)
EP (1) EP0979590B1 (xx)
JP (1) JP2001524287A (xx)
AT (1) ATE233462T1 (xx)
AU (1) AU747905B2 (xx)
CA (1) CA2288060A1 (xx)
DE (1) DE69811657T2 (xx)
GB (1) GB2324928B (xx)
HK (1) HK1016007A1 (xx)
WO (1) WO1998051121A1 (xx)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002027581A (ja) * 2000-07-13 2002-01-25 Npl:Kk スピーカ
JP2002247675A (ja) * 2001-02-14 2002-08-30 Time Domain:Kk スピーカシステム
FR2824990B1 (fr) 2001-05-15 2003-09-26 Jean Pierre Morkerken Emetteur de son et haut-parleur
GB2380091B (en) 2001-09-21 2005-03-30 B & W Loudspeakers Loudspeaker system
EP1929836A2 (en) * 2005-09-20 2008-06-11 Koninklijke Philips Electronics N.V. Audio transducer system
US7708112B2 (en) * 2005-11-10 2010-05-04 Earl Russell Geddes Waveguide phase plug
EP2040483B1 (en) * 2007-09-21 2013-02-27 Laurence George Dickie Ported loudspeaker enclosure with tapered waveguide absorber
JP5608727B2 (ja) * 2009-04-10 2014-10-15 コーニンクレッカ フィリップス エヌ ヴェ オーディオ・ドライバ
DE102009056010B4 (de) * 2009-11-26 2024-02-01 HELLA GmbH & Co. KGaA Flügelzellenpumpe
WO2013087900A1 (de) * 2011-12-14 2013-06-20 Fühlklang AG Lautsprechergehäuse
FR3034564B1 (fr) * 2015-04-02 2017-04-28 Focal Jmlab Dispositif d'adaptation d'impedance acoustique et haut-parleur equipe d'un tel dispositif
EP3326384A4 (en) * 2015-07-21 2019-03-06 Novel Acoustics Ltd SPEAKER AND METHOD FOR ITS MANUFACTURE
GB2590656A (en) * 2019-12-23 2021-07-07 Gp Acoustics International Ltd Loudspeakers

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR705640A (fr) 1930-02-08 1931-06-10 Perfectionnement aux reproducteurs électriques des sons
US2880817A (en) * 1953-10-28 1959-04-07 Pickard & Burns Inc Loudspeaker system
US3473625A (en) * 1965-12-23 1969-10-21 Sylvania Electric Prod Sound reproduction system and loudspeaker assembly
US3486578A (en) * 1967-12-21 1969-12-30 Lawrence Albarino Electro-mechanical reproduction of sound
DE2728407A1 (de) 1977-06-24 1979-01-04 Basf Ag Verfahren zur behandlung von butandiol, das als kondensat bei der herstellung von polybutylenterephthalaten erhalten wurde
US4154979A (en) * 1977-07-05 1979-05-15 Bose Corporation Woofer efficiency
JPS60105399A (ja) 1983-11-11 1985-06-10 Onkyo Corp スピ−カ−ホ−ン
JPS60105398A (ja) 1983-11-11 1985-06-10 Onkyo Corp スピ−カ−キヤビネツト
JPH0450718Y2 (xx) * 1986-02-28 1992-11-30
DE8629084U1 (de) 1986-10-31 1987-04-23 Mühlenbein, Hans, 5063 Overath Lautsprechergehäuse aus runden Kunststoffhohlkörpern
US4930596A (en) 1987-06-16 1990-06-05 Matsushita Electric Industrial Co., Ltd. Loudspeaker system
US5009281A (en) 1988-03-10 1991-04-23 Yamaha Corporation Acoustic apparatus
US5012890A (en) * 1988-03-23 1991-05-07 Yamaha Corporation Acoustic apparatus
DE68919495T2 (de) * 1988-03-25 1995-07-20 Yamaha Corp Akustischer Apparat.
US4953655A (en) * 1988-04-04 1990-09-04 Yamaha Corporation Acoustic apparatus
DE9102192U1 (de) 1991-02-25 1991-05-16 Bloemecke, Wilfried, 75305 Neuenbürg Lautsprechersystem
DE4223572C1 (de) * 1992-07-17 1994-01-05 Hagenuk Telecom Gmbh Vorrichtung zur Schallabstrahlung
GB2283150A (en) 1995-01-04 1995-04-26 B & W Loudspeakers Loudspeaker systems
GB2290672A (en) 1995-09-08 1996-01-03 B & W Loudspeakers Loudspeaker systems
US5815589A (en) * 1997-02-18 1998-09-29 Wainwright; Charles E. Push-pull transmission line loudspeaker

Also Published As

Publication number Publication date
US6377696B1 (en) 2002-04-23
CA2288060A1 (en) 1998-11-12
WO1998051121A1 (en) 1998-11-12
DE69811657T2 (de) 2003-12-04
EP0979590A1 (en) 2000-02-16
JP2001524287A (ja) 2001-11-27
GB2324928B (en) 2001-09-12
ATE233462T1 (de) 2003-03-15
DE69811657D1 (de) 2003-04-03
GB9709109D0 (en) 1997-06-25
AU747905B2 (en) 2002-05-30
AU7221998A (en) 1998-11-27
EP0979590B1 (en) 2003-02-26
GB2324928A (en) 1998-11-04

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20050502