CN1261002C - Acoustic device - Google Patents
Acoustic device Download PDFInfo
- Publication number
- CN1261002C CN1261002C CNB008078068A CN00807806A CN1261002C CN 1261002 C CN1261002 C CN 1261002C CN B008078068 A CNB008078068 A CN B008078068A CN 00807806 A CN00807806 A CN 00807806A CN 1261002 C CN1261002 C CN 1261002C
- Authority
- CN
- China
- Prior art keywords
- axis
- plate
- along
- mode
- bending wave
- 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.)
- Expired - Lifetime
Links
- 238000005452 bending Methods 0.000 claims abstract description 37
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 241000733322 Platea Species 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
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
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
- H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
-
- 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
- H04R7/06—Plane diaphragms comprising a plurality of sections or layers
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
Description
Claims (11)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9913465.2 | 1999-06-10 | ||
GBGB9913465.2A GB9913465D0 (en) | 1999-06-10 | 1999-06-10 | Acoustic device |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1356015A CN1356015A (en) | 2002-06-26 |
CN1261002C true CN1261002C (en) | 2006-06-21 |
Family
ID=10855054
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB008078068A Expired - Lifetime CN1261002C (en) | 1999-06-10 | 2000-06-07 | Acoustic device |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP1186203B1 (en) |
JP (1) | JP2003501982A (en) |
CN (1) | CN1261002C (en) |
AU (1) | AU5089600A (en) |
DE (1) | DE60004045T2 (en) |
GB (1) | GB9913465D0 (en) |
HK (1) | HK1040875B (en) |
NZ (1) | NZ515328A (en) |
TW (1) | TW479434B (en) |
WO (1) | WO2000078090A2 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100551133C (en) * | 2001-03-23 | 2009-10-14 | 新型转换器有限公司 | Bending wave acoustic radiator |
US7120263B2 (en) | 2001-03-23 | 2006-10-10 | New Transducers Limited | Bending wave acoustic radiator |
GB0123932D0 (en) * | 2001-10-05 | 2001-11-28 | New Transducers Ltd | Loudspeakers |
GB0317331D0 (en) * | 2003-07-24 | 2003-08-27 | New Transducers Ltd | Acoustic device |
JP5545083B2 (en) * | 2010-07-07 | 2014-07-09 | ソニー株式会社 | Speaker device |
WO2016044361A1 (en) * | 2014-09-19 | 2016-03-24 | Corning Incorporated | Thin panel loudspeakers |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1132593B (en) * | 1965-04-05 | 1962-07-05 | Bolt Beranek & Newman | Acoustically effective plate, especially for coupling to an electroacoustic transducer |
UA51671C2 (en) * | 1995-09-02 | 2002-12-16 | Нью Транзд'Юсез Лімітед | Acoustic device |
TW450011B (en) * | 1998-02-10 | 2001-08-11 | New Transducers Ltd | Acoustic devices |
-
1999
- 1999-06-10 GB GBGB9913465.2A patent/GB9913465D0/en not_active Ceased
-
2000
- 2000-06-07 NZ NZ515328A patent/NZ515328A/en not_active IP Right Cessation
- 2000-06-07 DE DE60004045T patent/DE60004045T2/en not_active Expired - Lifetime
- 2000-06-07 JP JP2001502614A patent/JP2003501982A/en active Pending
- 2000-06-07 CN CNB008078068A patent/CN1261002C/en not_active Expired - Lifetime
- 2000-06-07 AU AU50896/00A patent/AU5089600A/en not_active Abandoned
- 2000-06-07 WO PCT/GB2000/002054 patent/WO2000078090A2/en active IP Right Grant
- 2000-06-07 EP EP00935350A patent/EP1186203B1/en not_active Expired - Lifetime
- 2000-06-12 TW TW089111418A patent/TW479434B/en not_active IP Right Cessation
-
2002
- 2002-03-19 HK HK02102096.7A patent/HK1040875B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JP2003501982A (en) | 2003-01-14 |
CN1356015A (en) | 2002-06-26 |
DE60004045D1 (en) | 2003-08-28 |
WO2000078090A3 (en) | 2001-07-12 |
AU5089600A (en) | 2001-01-02 |
NZ515328A (en) | 2002-04-26 |
GB9913465D0 (en) | 1999-08-11 |
EP1186203A2 (en) | 2002-03-13 |
HK1040875A1 (en) | 2002-06-21 |
HK1040875B (en) | 2003-10-17 |
TW479434B (en) | 2002-03-11 |
EP1186203B1 (en) | 2003-07-23 |
WO2000078090A2 (en) | 2000-12-21 |
DE60004045T2 (en) | 2004-05-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: Cambridge County Patentee after: NVF Technology Co.,Ltd. Address before: Cambridge County Patentee before: HIWAVE TECHNOLOGIES (UK) LTD. Address after: Cambridge County Patentee after: HIWAVE TECHNOLOGIES (UK) LTD. Address before: Cambridge County Patentee before: NEW TRANSDUCERS Ltd. |
|
CP02 | Change in the address of a patent holder | ||
CP02 | Change in the address of a patent holder |
Address after: Cambridge County Patentee after: NEW TRANSDUCERS Ltd. Address before: London, England Patentee before: NEW TRANSDUCERS Ltd. |
|
CP02 | Change in the address of a patent holder | ||
CP02 | Change in the address of a patent holder |
Address after: England Atsushi Patentee after: NVF Technology Co.,Ltd. Address before: British county Patentee before: NVF Technology Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20191112 Address after: California, USA Patentee after: Google Inc. Address before: England Atsushi Patentee before: NVF Technology Co.,Ltd. |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20060621 |