AU2186401A - Loudspeakers - Google Patents

Loudspeakers

Info

Publication number
AU2186401A
AU2186401A AU21864/01A AU2186401A AU2186401A AU 2186401 A AU2186401 A AU 2186401A AU 21864/01 A AU21864/01 A AU 21864/01A AU 2186401 A AU2186401 A AU 2186401A AU 2186401 A AU2186401 A AU 2186401A
Authority
AU
Australia
Prior art keywords
loudspeakers
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
AU21864/01A
Inventor
Andreas Buos
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 AU2186401A publication Critical patent/AU2186401A/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
    • 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
    • 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 
    • H04R1/227—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  using transducers reproducing the same frequency band

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Multimedia (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
AU21864/01A 1999-12-02 2000-11-28 Loudspeakers Abandoned AU2186401A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9928456 1999-12-02
GBGB9928456.4A GB9928456D0 (en) 1999-12-02 1999-12-02 Loudspeakers
PCT/GB2000/004510 WO2001041498A2 (en) 1999-12-02 2000-11-28 Bending wave loudspeakers

Publications (1)

Publication Number Publication Date
AU2186401A true AU2186401A (en) 2001-06-12

Family

ID=10865539

Family Applications (1)

Application Number Title Priority Date Filing Date
AU21864/01A Abandoned AU2186401A (en) 1999-12-02 2000-11-28 Loudspeakers

Country Status (5)

Country Link
EP (1) EP1234478A2 (en)
CN (1) CN1390429A (en)
AU (1) AU2186401A (en)
GB (1) GB9928456D0 (en)
WO (1) WO2001041498A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0221503D0 (en) * 2002-09-17 2002-10-23 1 Ltd Loudspeaker
KR20060037354A (en) * 2003-07-16 2006-05-03 코닌클리즈케 필립스 일렉트로닉스 엔.브이. Panel-shaped acoustic wave generator
KR102608137B1 (en) 2018-09-20 2023-11-29 엘지디스플레이 주식회사 Display apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
UA51671C2 (en) * 1995-09-02 2002-12-16 Нью Транзд'Юсез Лімітед Acoustic device
GB9621523D0 (en) * 1996-10-16 1996-12-04 Noise Cancellation Tech A flat panel loudspeaker arrangement and hands free telephone system using the same
NZ330777A (en) * 1998-06-22 1999-08-30 Slab Technology Ltd Loudspeaker with a planar diaphragm having a bending strength along one axis which is greater that along a second axis perpendicular to the first axis
AU756783B2 (en) * 1998-06-22 2003-01-23 Slab Technology Limited Loudspeakers

Also Published As

Publication number Publication date
GB9928456D0 (en) 2000-01-26
WO2001041498A3 (en) 2002-05-10
WO2001041498A2 (en) 2001-06-07
CN1390429A (en) 2003-01-08
EP1234478A2 (en) 2002-08-28

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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