WO2000035242A3 - Bending wave panel-form loudspeaker - Google Patents
Bending wave panel-form loudspeaker Download PDFInfo
- Publication number
- WO2000035242A3 WO2000035242A3 PCT/GB1999/004080 GB9904080W WO0035242A3 WO 2000035242 A3 WO2000035242 A3 WO 2000035242A3 GB 9904080 W GB9904080 W GB 9904080W WO 0035242 A3 WO0035242 A3 WO 0035242A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- voice coil
- bending wave
- vibration exciter
- pane
- magnet system
- 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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
- H04R9/066—Loudspeakers using the principle of inertia
-
- 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
-
- 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
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU15760/00A AU1576000A (en) | 1998-12-09 | 1999-12-09 | Loudspeaker |
JP2000587574A JP2002532993A (en) | 1998-12-09 | 1999-12-09 | Loudspeaker |
EP99958386A EP1138175A2 (en) | 1998-12-09 | 1999-12-09 | Bending wave panel-form loudspeaker |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9827040.8A GB9827040D0 (en) | 1998-12-09 | 1998-12-09 | Loudspeaker |
GB9827040.8 | 1998-12-09 | ||
GB9900674.4 | 1999-01-14 | ||
GB9900674 | 1999-01-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2000035242A2 WO2000035242A2 (en) | 2000-06-15 |
WO2000035242A3 true WO2000035242A3 (en) | 2000-08-31 |
Family
ID=26314809
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB1999/004080 WO2000035242A2 (en) | 1998-12-09 | 1999-12-09 | Bending wave panel-form loudspeaker |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1138175A2 (en) |
JP (1) | JP2002532993A (en) |
CN (1) | CN1329809A (en) |
AU (1) | AU1576000A (en) |
TW (1) | TW457826B (en) |
WO (1) | WO2000035242A2 (en) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3512087B2 (en) * | 1999-06-15 | 2004-03-29 | 日本電気株式会社 | Panel speaker |
US6721436B1 (en) | 2000-03-29 | 2004-04-13 | Sound Advance Systems, Inc. | Remote edge-driven panel speaker |
GB2376829A (en) * | 2001-04-21 | 2002-12-24 | Michael Andrew Beadman | Removable audio exciter system |
GB0117663D0 (en) * | 2001-07-20 | 2001-09-12 | New Transducers Ltd | Listening anti eavesdropping device |
DE10164509A1 (en) * | 2001-12-28 | 2003-07-17 | Webasto Vehicle Sys Int Gmbh | Loudspeaker system for an audio facility in a motor vehicle, has a fixed window pane as membranes for a loudspeaker such as vehicle rear window or sunroof. |
US7426804B2 (en) | 2002-02-06 | 2008-09-23 | Andersen Corporation | Specialty display window |
US6988339B2 (en) | 2002-02-06 | 2006-01-24 | Andersen Corporation | Specialty media window |
EP1385354A1 (en) * | 2002-07-25 | 2004-01-28 | Kam, Tai-Yan | Transparent panel-form loudspeaker |
US6957516B2 (en) * | 2002-12-03 | 2005-10-25 | Smart Skin, Inc. | Acoustically intelligent windows |
JP2007116422A (en) | 2005-10-20 | 2007-05-10 | Sony Corp | Audio output device and method |
DE102007030811A1 (en) | 2007-04-26 | 2008-11-06 | Airbus Deutschland Gmbh | Flat speaker |
FR3021268A1 (en) * | 2014-05-20 | 2015-11-27 | Peugeot Citroen Automobiles Sa | GLAZING OF A MOTOR VEHICLE IN WHICH IS A SPEAKER |
CN105812989A (en) * | 2014-12-31 | 2016-07-27 | 鸿富锦精密工业(深圳)有限公司 | Loudspeaker |
GB2611026A (en) * | 2021-09-17 | 2023-03-29 | Continental Automotive Tech Gmbh | Vehicle intercom system |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4352039A (en) * | 1980-07-25 | 1982-09-28 | The United States Of America As Represented By The Secretary Of The Army | Sonic transducer |
EP0296139A2 (en) * | 1987-06-18 | 1988-12-21 | Highwood Audio Inc. | Audio transducer |
US4926486A (en) * | 1987-07-17 | 1990-05-15 | Barsumian Bruce R | Transducer assembly for automatic message system |
GB2289596A (en) * | 1994-05-20 | 1995-11-22 | Microtouch Systems Inc | Through-window speaker/microphone |
WO1997009842A2 (en) * | 1995-09-02 | 1997-03-13 | New Transducers Limited | Acoustic device |
-
1999
- 1999-12-09 CN CN 99814153 patent/CN1329809A/en active Pending
- 1999-12-09 AU AU15760/00A patent/AU1576000A/en not_active Abandoned
- 1999-12-09 EP EP99958386A patent/EP1138175A2/en not_active Withdrawn
- 1999-12-09 WO PCT/GB1999/004080 patent/WO2000035242A2/en not_active Application Discontinuation
- 1999-12-09 JP JP2000587574A patent/JP2002532993A/en active Pending
- 1999-12-13 TW TW88121799A patent/TW457826B/en not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4352039A (en) * | 1980-07-25 | 1982-09-28 | The United States Of America As Represented By The Secretary Of The Army | Sonic transducer |
EP0296139A2 (en) * | 1987-06-18 | 1988-12-21 | Highwood Audio Inc. | Audio transducer |
US4926486A (en) * | 1987-07-17 | 1990-05-15 | Barsumian Bruce R | Transducer assembly for automatic message system |
GB2289596A (en) * | 1994-05-20 | 1995-11-22 | Microtouch Systems Inc | Through-window speaker/microphone |
WO1997009842A2 (en) * | 1995-09-02 | 1997-03-13 | New Transducers Limited | Acoustic device |
Also Published As
Publication number | Publication date |
---|---|
AU1576000A (en) | 2000-06-26 |
WO2000035242A2 (en) | 2000-06-15 |
TW457826B (en) | 2001-10-01 |
EP1138175A2 (en) | 2001-10-04 |
JP2002532993A (en) | 2002-10-02 |
CN1329809A (en) | 2002-01-02 |
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