AU2002317964A1 - Loudspeaker system - Google Patents

Loudspeaker system

Info

Publication number: AU2002317964A1
Authority: AU; Australia
Prior art keywords: loudspeaker system; loudspeaker
Prior art date: 2001-07-20
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.)

2001-07-20

Filing date

2002-07-15

Publication date

2003-03-03

2002-07-15 Application filed by New Transducers Ltd filed Critical New Transducers Ltd

2003-03-03 Publication of AU2002317964A1 publication Critical patent/AU2002317964A1/en

Status Abandoned legal-status Critical Current

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
MY195347A (en) *	2016-10-31	2023-01-13	Thales Australia Ltd	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
EP0993231A3 (en) *	1994-05-20	2000-04-19	Shinsei Corporation	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

2001
- 2001-07-20 GB GB0117662A patent/GB0117662D0/en not_active Ceased
2002
- 2002-07-15 AU AU2002317964A patent/AU2002317964A1/en not_active Abandoned
- 2002-07-15 WO PCT/GB2002/003273 patent/WO2003009635A2/en not_active Ceased

Also Published As

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

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Legal Events

Date	Code	Title	Description
2004-04-08	MK6	Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase