DK0847668T3 - Speakers with panel-shaped acoustically radiating elements - Google Patents
Speakers with panel-shaped acoustically radiating elementsInfo
- Publication number
- DK0847668T3 DK0847668T3 DK96929407T DK96929407T DK0847668T3 DK 0847668 T3 DK0847668 T3 DK 0847668T3 DK 96929407 T DK96929407 T DK 96929407T DK 96929407 T DK96929407 T DK 96929407T DK 0847668 T3 DK0847668 T3 DK 0847668T3
- Authority
- DK
- Denmark
- Prior art keywords
- radiator
- panel
- enclosure
- speakers
- radiating elements
- Prior art date
Links
- 239000000725 suspension Substances 0.000 abstract 1
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
- H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges
-
- 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
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2807—Enclosures comprising vibrating or resonating arrangements
- H04R1/2838—Enclosures comprising vibrating or resonating arrangements of the bandpass type
- H04R1/2842—Enclosures comprising vibrating or resonating arrangements of the bandpass type for loudspeaker transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2440/00—Bending wave transducers covered by H04R, not provided for in its groups
- H04R2440/07—Loudspeakers using bending wave resonance and pistonic motion to generate sound
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Otolaryngology (AREA)
- Health & Medical Sciences (AREA)
- Multimedia (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Abstract
A loudspeaker (81) comprising an enclosure, an acoustic radiator (2) in the enclosure, a compliant suspension (3) mounting the radiator in the enclosure for pistonic movement relative thereto, and transducer means (9) for driving the radiator pistonically, characterized in that the radiator is a panel-form distributed mode acoustic radiator, by a first transducer mounted wholly and exclusively on the radiator to vibrate the radiator to cause it to resonate, and by means (11) for varying the air pressure in the enclosure to cause the radiator to move pistonically.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9517918.0A GB9517918D0 (en) | 1995-09-02 | 1995-09-02 | Acoustic device |
GBGB9522281.6A GB9522281D0 (en) | 1995-10-31 | 1995-10-31 | Acoustic device |
GBGB9606836.6A GB9606836D0 (en) | 1996-03-30 | 1996-03-30 | Acoustic device |
PCT/GB1996/002166 WO1997009849A1 (en) | 1995-09-02 | 1996-09-02 | Loudspeakers with panel-form acoustic radiating elements |
Publications (1)
Publication Number | Publication Date |
---|---|
DK0847668T3 true DK0847668T3 (en) | 1999-10-25 |
Family
ID=34865252
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK96929407T DK0847668T3 (en) | 1995-09-02 | 1996-09-02 | Speakers with panel-shaped acoustically radiating elements |
Country Status (13)
Country | Link |
---|---|
EP (1) | EP0847668B1 (en) |
JP (1) | JPH11512261A (en) |
CN (1) | CN1195457A (en) |
AT (1) | ATE179043T1 (en) |
AU (1) | AU704299B2 (en) |
CA (1) | CA2230438A1 (en) |
DE (1) | DE69602100T2 (en) |
DK (1) | DK0847668T3 (en) |
EA (1) | EA002097B1 (en) |
ES (1) | ES2132954T3 (en) |
HK (1) | HK1008648A1 (en) |
RO (1) | RO119048B1 (en) |
WO (1) | WO1997009849A1 (en) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU756783B2 (en) | 1998-06-22 | 2003-01-23 | Slab Technology Limited | Loudspeakers |
DE19955867A1 (en) * | 1999-11-22 | 2001-06-21 | Harman Audio Electronic Sys | Flat speaker arrangement for bass reproduction |
US10158337B2 (en) | 2004-08-10 | 2018-12-18 | Bongiovi Acoustics Llc | System and method for digital signal processing |
US11431312B2 (en) | 2004-08-10 | 2022-08-30 | Bongiovi Acoustics Llc | System and method for digital signal processing |
US8284955B2 (en) | 2006-02-07 | 2012-10-09 | Bongiovi Acoustics Llc | System and method for digital signal processing |
US10848118B2 (en) | 2004-08-10 | 2020-11-24 | Bongiovi Acoustics Llc | System and method for digital signal processing |
ITMI20041972A1 (en) | 2004-10-18 | 2005-01-18 | Daniele Ramenzoni | ELECTRO-ACOUSTIC DEVICE, WITH CAVITY RESONATOR, THAT PROVIDES EXTREME THREE-DIMENSIONAL CHARACTERISTICS TO CONTROL, CONCENTRATE AND SPREAD INFRASOUNDS, SOUNDS AND ULTRASOUNDS. |
US10069471B2 (en) | 2006-02-07 | 2018-09-04 | Bongiovi Acoustics Llc | System and method for digital signal processing |
US11202161B2 (en) | 2006-02-07 | 2021-12-14 | Bongiovi Acoustics Llc | System, method, and apparatus for generating and digitally processing a head related audio transfer function |
US9615189B2 (en) | 2014-08-08 | 2017-04-04 | Bongiovi Acoustics Llc | Artificial ear apparatus and associated methods for generating a head related audio transfer function |
US10848867B2 (en) | 2006-02-07 | 2020-11-24 | Bongiovi Acoustics Llc | System and method for digital signal processing |
US10701505B2 (en) | 2006-02-07 | 2020-06-30 | Bongiovi Acoustics Llc. | System, method, and apparatus for generating and digitally processing a head related audio transfer function |
FR2968881B1 (en) * | 2010-12-10 | 2013-01-04 | Zedel | BI-MODE ACOUSTIC TRANSDUCER |
US9883318B2 (en) | 2013-06-12 | 2018-01-30 | Bongiovi Acoustics Llc | System and method for stereo field enhancement in two-channel audio systems |
US9264004B2 (en) | 2013-06-12 | 2016-02-16 | Bongiovi Acoustics Llc | System and method for narrow bandwidth digital signal processing |
GB2517721A (en) * | 2013-08-29 | 2015-03-04 | Nokia Corp | Speaker apparatus |
US9906858B2 (en) | 2013-10-22 | 2018-02-27 | Bongiovi Acoustics Llc | System and method for digital signal processing |
US10820883B2 (en) | 2014-04-16 | 2020-11-03 | Bongiovi Acoustics Llc | Noise reduction assembly for auscultation of a body |
US9615813B2 (en) | 2014-04-16 | 2017-04-11 | Bongiovi Acoustics Llc. | Device for wide-band auscultation |
US10639000B2 (en) | 2014-04-16 | 2020-05-05 | Bongiovi Acoustics Llc | Device for wide-band auscultation |
US9564146B2 (en) | 2014-08-01 | 2017-02-07 | Bongiovi Acoustics Llc | System and method for digital signal processing in deep diving environment |
US9638672B2 (en) | 2015-03-06 | 2017-05-02 | Bongiovi Acoustics Llc | System and method for acquiring acoustic information from a resonating body |
JP2018537910A (en) | 2015-11-16 | 2018-12-20 | ボンジョビ アコースティックス リミテッド ライアビリティー カンパニー | Surface acoustic transducer |
US9621994B1 (en) | 2015-11-16 | 2017-04-11 | Bongiovi Acoustics Llc | Surface acoustic transducer |
CN112236812A (en) | 2018-04-11 | 2021-01-15 | 邦吉欧维声学有限公司 | Audio-enhanced hearing protection system |
US10959035B2 (en) | 2018-08-02 | 2021-03-23 | Bongiovi Acoustics Llc | System, method, and apparatus for generating and digitally processing a head related audio transfer function |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3164221A (en) * | 1961-06-06 | 1965-01-05 | Rosen Alfred H | Low frequency loudspeaker system |
US3247925A (en) * | 1962-03-08 | 1966-04-26 | Lord Corp | Loudspeaker |
US4379951A (en) * | 1977-04-20 | 1983-04-12 | Gabr Saad Z M | Electro-acoustic transducer means |
EP0340435A3 (en) * | 1988-04-01 | 1991-04-24 | Yamaha Corporation | Acoustic apparatus |
WO1992003024A1 (en) * | 1990-08-04 | 1992-02-20 | The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland | Panel-form loudspeaker |
WO1993007729A1 (en) * | 1991-10-02 | 1993-04-15 | Noise Cancellation Technologies, Inc. | Vacuum speaker |
EP0548836B1 (en) * | 1991-12-20 | 1997-06-11 | Matsushita Electric Industrial Co., Ltd. | A bass reproduction speaker apparatus |
-
1996
- 1996-09-02 JP JP9510967A patent/JPH11512261A/en active Pending
- 1996-09-02 EP EP96929407A patent/EP0847668B1/en not_active Expired - Lifetime
- 1996-09-02 ES ES96929407T patent/ES2132954T3/en not_active Expired - Lifetime
- 1996-09-02 DE DE69602100T patent/DE69602100T2/en not_active Expired - Fee Related
- 1996-09-02 CN CN96196702.1A patent/CN1195457A/en active Pending
- 1996-09-02 AT AT96929407T patent/ATE179043T1/en not_active IP Right Cessation
- 1996-09-02 EA EA199800250A patent/EA002097B1/en not_active IP Right Cessation
- 1996-09-02 RO RO98-00647A patent/RO119048B1/en unknown
- 1996-09-02 CA CA002230438A patent/CA2230438A1/en not_active Abandoned
- 1996-09-02 AU AU68822/96A patent/AU704299B2/en not_active Ceased
- 1996-09-02 WO PCT/GB1996/002166 patent/WO1997009849A1/en not_active Application Discontinuation
- 1996-09-02 DK DK96929407T patent/DK0847668T3/en active
-
1998
- 1998-07-28 HK HK98109453A patent/HK1008648A1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
HK1008648A1 (en) | 1999-05-14 |
CA2230438A1 (en) | 1997-03-13 |
WO1997009849A1 (en) | 1997-03-13 |
DE69602100T2 (en) | 1999-09-16 |
EP0847668A1 (en) | 1998-06-17 |
RO119048B1 (en) | 2004-02-27 |
EA002097B1 (en) | 2001-12-24 |
ATE179043T1 (en) | 1999-04-15 |
CN1195457A (en) | 1998-10-07 |
EP0847668B1 (en) | 1999-04-14 |
ES2132954T3 (en) | 1999-08-16 |
JPH11512261A (en) | 1999-10-19 |
AU6882296A (en) | 1997-03-27 |
AU704299B2 (en) | 1999-04-22 |
EA199800250A1 (en) | 1998-10-29 |
DE69602100D1 (en) | 1999-05-20 |
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