AU2002317964A1 - Loudspeaker system - Google Patents

Loudspeaker system

Info

Publication number
AU2002317964A1
AU2002317964A1 AU2002317964A AU2002317964A AU2002317964A1 AU 2002317964 A1 AU2002317964 A1 AU 2002317964A1 AU 2002317964 A AU2002317964 A AU 2002317964A AU 2002317964 A AU2002317964 A AU 2002317964A AU 2002317964 A1 AU2002317964 A1 AU 2002317964A1
Authority
AU
Australia
Prior art keywords
loudspeaker system
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
AU2002317964A
Inventor
Graham Bank
Martin Christopher Cassey
Martin Colloms
Neil Harris
Neil Owen
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.)
NVF Tech Ltd
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 AU2002317964A1 publication Critical patent/AU2002317964A1/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
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • 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

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
AU2002317964A 2001-07-20 2002-07-15 Loudspeaker system Abandoned AU2002317964A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0117662A GB0117662D0 (en) 2001-07-20 2001-07-20 Loudspeaker system
GB0117662.7 2001-07-20
PCT/GB2002/003273 WO2003009635A2 (en) 2001-07-20 2002-07-15 Loudspeaker system

Publications (1)

Publication Number Publication Date
AU2002317964A1 true AU2002317964A1 (en) 2003-03-03

Family

ID=9918839

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002317964A Abandoned AU2002317964A1 (en) 2001-07-20 2002-07-15 Loudspeaker system

Country Status (3)

Country Link
AU (1) AU2002317964A1 (en)
GB (1) GB0117662D0 (en)
WO (1) WO2003009635A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018076042A1 (en) 2016-10-31 2018-05-03 Thales Australia Limited Acoustic transducer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1688743A (en) * 1927-03-11 1928-10-23 Wired Radio Inc Plane-surface piezo-electric loud speaker
JPS60190100A (en) * 1984-03-09 1985-09-27 Murata Mfg Co Ltd Piezoelectric speaker
BR9506242A (en) * 1994-05-20 1997-08-12 Shinsei Corp Sound generating device
UA51671C2 (en) * 1995-09-02 2002-12-16 Нью Транзд'Юсез Лімітед Acoustic device
TW511391B (en) * 2000-01-24 2002-11-21 New Transducers Ltd Transducer

Also Published As

Publication number Publication date
GB0117662D0 (en) 2001-09-12
WO2003009635A2 (en) 2003-01-30
WO2003009635A3 (en) 2003-05-30

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase