HK1062253A1 - Acoustic device. - Google Patents

Acoustic device.

Info

Publication number
HK1062253A1
HK1062253A1 HK04103828A HK04103828A HK1062253A1 HK 1062253 A1 HK1062253 A1 HK 1062253A1 HK 04103828 A HK04103828 A HK 04103828A HK 04103828 A HK04103828 A HK 04103828A HK 1062253 A1 HK1062253 A1 HK 1062253A1
Authority
HK
Hong Kong
Prior art keywords
acoustic device
acoustic
Prior art date
Application number
HK04103828A
Inventor
Neil Harris
Bijan Djahansouzi
Mark Richard Eccles
Henry Azima
Original Assignee
New Transducers 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 New Transducers Ltd filed Critical New Transducers Ltd
Publication of HK1062253A1 publication Critical patent/HK1062253A1/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
    • H04R7/045—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
HK04103828A 2001-07-26 2004-05-28 Acoustic device. HK1062253A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0118206A GB0118206D0 (en) 2001-07-26 2001-07-26 Acoustic panels

Publications (1)

Publication Number Publication Date
HK1062253A1 true HK1062253A1 (en) 2004-10-21

Family

ID=9919215

Family Applications (1)

Application Number Title Priority Date Filing Date
HK04103828A HK1062253A1 (en) 2001-07-26 2004-05-28 Acoustic device.

Country Status (6)

Country Link
CN (1) CN1526258A (en)
AU (1) AU2002317391A1 (en)
GB (2) GB0118206D0 (en)
HK (1) HK1062253A1 (en)
TW (1) TW561788B (en)
WO (1) WO2003013180A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101041711B1 (en) 2005-11-14 2011-06-14 엔엑스피 비 브이 Asymmetrical moving system for a piezoelectric speaker and asymmetrical speaker

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW450011B (en) * 1998-02-10 2001-08-11 New Transducers Ltd Acoustic devices
TW511391B (en) * 2000-01-24 2002-11-21 New Transducers Ltd Transducer

Also Published As

Publication number Publication date
GB2392579A (en) 2004-03-03
AU2002317391A1 (en) 2003-02-17
WO2003013180A3 (en) 2003-10-30
GB0118206D0 (en) 2001-09-19
CN1526258A (en) 2004-09-01
TW561788B (en) 2003-11-11
GB2392579B (en) 2004-11-03
WO2003013180A2 (en) 2003-02-13
GB0329569D0 (en) 2004-01-28

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Legal Events

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

Effective date: 20080724