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HK1040034B - Loudspeaker - Google Patents

Loudspeaker

Info

Publication number
HK1040034B
HK1040034B HK02101508.1A HK02101508A HK1040034B HK 1040034 B HK1040034 B HK 1040034B HK 02101508 A HK02101508 A HK 02101508A HK 1040034 B HK1040034 B HK 1040034B
Authority
HK
Hong Kong
Prior art keywords
portable
cases
loudspeaker
side walling
lids
Prior art date
Application number
HK02101508.1A
Other languages
Chinese (zh)
Other versions
HK1040034A1 (en
Inventor
Stanley Curtis Mervyn
Andrew Longbottom Simon
Lee Mckay Justin
Original Assignee
Wharfedale International 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 Wharfedale International Ltd filed Critical Wharfedale International Ltd
Publication of HK1040034A1 publication Critical patent/HK1040034A1/en
Publication of HK1040034B publication Critical patent/HK1040034B/en

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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • H04R7/06—Plane diaphragms comprising a plurality of sections or layers
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • H04R7/045—Plane diaphragms using the distributed mode principle, i.e. whereby the acoustic radiation is emanated from uniformly distributed free bending wave vibration induced in a stiff panel and not from pistonic motion

Landscapes

  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Packaging For Recording Disks (AREA)
  • Telephone Set Structure (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Liquid Crystal (AREA)
  • Surgical Instruments (AREA)

Abstract

A portable loudspeaker (10) resembling a double CD case, comprises left- and right-hand lids (12, 14) pivotally coupled about parallel axes AA and BB to side walling (16). The side walling (16) forms an open box-like enclosure, with the left- and right-hand lids (12, 14) acting as the top and bottom surfaces to complete the enclosure when covering the opening at either end of the side walling (16). Each lid comprises a sound generating unit in the form of a distributed mode acoustic radiator (20). By adopting the shape of a double CD-case, the loudspeaker is more readily accepted as a portable loudspeacker by users of personal CD players. Similar considerations apply to portable loudspeakers shaped like single CD cases, audio-tape cassette cases and mini-disc cases.
HK02101508.1A 1998-12-15 2002-02-27 Loudspeaker HK1040034B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9827537.3A GB9827537D0 (en) 1998-12-15 1998-12-15 Loudspeaker
PCT/GB1999/004142 WO2000036875A2 (en) 1998-12-15 1999-12-14 Loudspeaker

Publications (2)

Publication Number Publication Date
HK1040034A1 HK1040034A1 (en) 2002-05-17
HK1040034B true HK1040034B (en) 2004-09-10

Family

ID=10844217

Family Applications (1)

Application Number Title Priority Date Filing Date
HK02101508.1A HK1040034B (en) 1998-12-15 2002-02-27 Loudspeaker

Country Status (10)

Country Link
EP (1) EP1142447B1 (en)
JP (1) JP2000184480A (en)
KR (1) KR20000047385A (en)
CN (1) CN1148994C (en)
AT (1) ATE260017T1 (en)
AU (1) AU1866900A (en)
DE (1) DE69914946T2 (en)
GB (1) GB9827537D0 (en)
HK (1) HK1040034B (en)
WO (1) WO2000036875A2 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7245729B2 (en) 2001-04-05 2007-07-17 New Transducers Limited Loudspeaker
EP1322137A3 (en) * 2001-11-06 2008-08-27 Hosiden Besson Limited Portable speaker systems and applications thereof
GB2392044B (en) * 2002-08-17 2005-12-28 K H Technology Corp Loudspeaker unit and assembly
JP3956306B2 (en) * 2003-09-26 2007-08-08 ソニー株式会社 Speaker device
GB2463924A (en) * 2008-06-26 2010-04-07 Allan Read Wireless table-top conference system uses Balanced Mode loudspeaker
CN101719586B (en) * 2009-12-29 2012-12-12 深圳市信维通信股份有限公司 Communication device, horn and antenna assembly thereof
WO2015166285A1 (en) * 2014-05-01 2015-11-05 Hugh Brogan Speaker device
WO2016085940A1 (en) * 2014-11-25 2016-06-02 Roebke Kenneth Gustave Portable guitar amplifier
GB2574591B (en) * 2018-06-07 2020-10-28 Amina Tech Limited Product with integrally formed vibrating panel loudspeaker

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63244936A (en) * 1987-03-30 1988-10-12 Matsushita Electric Ind Co Ltd Receiver
DE3926153A1 (en) * 1989-08-08 1991-02-14 Ottmar Haberkern PICTURE DEVICE WITH FOLDABLE FLAT SCREEN
JP3494746B2 (en) * 1995-03-31 2004-02-09 シチズン時計株式会社 Liquid crystal display
BR9610545A (en) * 1995-09-02 1999-12-21 New Transducers Ltd Portable device for playing compact discs

Also Published As

Publication number Publication date
DE69914946T2 (en) 2005-01-05
AU1866900A (en) 2000-07-03
HK1040034A1 (en) 2002-05-17
DE69914946D1 (en) 2004-03-25
EP1142447A2 (en) 2001-10-10
GB9827537D0 (en) 1999-02-10
CN1329808A (en) 2002-01-02
JP2000184480A (en) 2000-06-30
KR20000047385A (en) 2000-07-25
ATE260017T1 (en) 2004-03-15
CN1148994C (en) 2004-05-05
EP1142447B1 (en) 2004-02-18
WO2000036875A3 (en) 2000-09-14
WO2000036875A2 (en) 2000-06-22

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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: 20071214