WO2003026344A3 - Acoustic device - Google Patents
Acoustic device Download PDFInfo
- Publication number
- WO2003026344A3 WO2003026344A3 PCT/GB2002/003778 GB0203778W WO03026344A3 WO 2003026344 A3 WO2003026344 A3 WO 2003026344A3 GB 0203778 W GB0203778 W GB 0203778W WO 03026344 A3 WO03026344 A3 WO 03026344A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- modal resonance
- panel
- distribution
- resonance frequency
- identifying
- Prior art date
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
- H04R29/00—Monitoring arrangements; Testing arrangements
- H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
-
- 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
Abstract
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/450,030 US7062051B2 (en) | 2001-08-17 | 2002-08-15 | Acoustic device |
EP02755181A EP1425937B1 (en) | 2001-08-17 | 2002-08-15 | Method of improving the modal resonance frequency distribution of a panel |
AU2002321477A AU2002321477A1 (en) | 2001-08-17 | 2002-08-15 | Acoustic device |
JP2003529805A JP4061267B2 (en) | 2001-08-17 | 2002-08-15 | Sound equipment |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0120130A GB0120130D0 (en) | 2001-08-17 | 2001-08-17 | Loudspeaker |
GB0120130.0 | 2001-08-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2003026344A2 WO2003026344A2 (en) | 2003-03-27 |
WO2003026344A3 true WO2003026344A3 (en) | 2003-10-30 |
Family
ID=9920605
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB2002/003778 WO2003026344A2 (en) | 2001-08-17 | 2002-08-15 | Acoustic device |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1425937B1 (en) |
JP (1) | JP4061267B2 (en) |
CN (1) | CN100397952C (en) |
AU (1) | AU2002321477A1 (en) |
GB (1) | GB0120130D0 (en) |
TW (1) | TW577238B (en) |
WO (1) | WO2003026344A2 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITMI20051106A1 (en) * | 2005-06-13 | 2006-12-14 | Enrico Ciresa S R L | SOUND PANEL FOR THE DIFFUSION OF SOUNDS AND MUSIC AND ITS PROCESS OF MANUFACTURING. |
GB0601076D0 (en) * | 2006-01-19 | 2006-03-01 | New Transducers Ltd | Acoustic device and method of making acoustic device |
WO2020076612A1 (en) * | 2018-10-13 | 2020-04-16 | The University Of Rochester | Method, system and devices for selective modal control for vibrating structures |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997009842A2 (en) * | 1995-09-02 | 1997-03-13 | New Transducers Limited | Acoustic device |
WO1999002012A1 (en) * | 1997-07-03 | 1999-01-14 | New Transducers Limited | Panel-form loudspeakers |
-
2001
- 2001-08-17 GB GB0120130A patent/GB0120130D0/en not_active Ceased
-
2002
- 2002-08-15 EP EP02755181A patent/EP1425937B1/en not_active Expired - Lifetime
- 2002-08-15 AU AU2002321477A patent/AU2002321477A1/en not_active Abandoned
- 2002-08-15 JP JP2003529805A patent/JP4061267B2/en not_active Expired - Fee Related
- 2002-08-15 CN CNB028138651A patent/CN100397952C/en not_active Expired - Fee Related
- 2002-08-15 WO PCT/GB2002/003778 patent/WO2003026344A2/en active Application Filing
- 2002-08-16 TW TW91118536A patent/TW577238B/en not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997009842A2 (en) * | 1995-09-02 | 1997-03-13 | New Transducers Limited | Acoustic device |
WO1999002012A1 (en) * | 1997-07-03 | 1999-01-14 | New Transducers Limited | Panel-form loudspeakers |
Also Published As
Publication number | Publication date |
---|---|
CN100397952C (en) | 2008-06-25 |
JP2005503741A (en) | 2005-02-03 |
CN1526259A (en) | 2004-09-01 |
WO2003026344A2 (en) | 2003-03-27 |
AU2002321477A1 (en) | 2003-04-01 |
JP4061267B2 (en) | 2008-03-12 |
TW577238B (en) | 2004-02-21 |
GB0120130D0 (en) | 2001-10-10 |
EP1425937B1 (en) | 2012-02-22 |
EP1425937A2 (en) | 2004-06-09 |
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