GB0408464D0 - Loudspeakers - Google Patents
LoudspeakersInfo
- Publication number
- GB0408464D0 GB0408464D0 GB0408464A GB0408464A GB0408464D0 GB 0408464 D0 GB0408464 D0 GB 0408464D0 GB 0408464 A GB0408464 A GB 0408464A GB 0408464 A GB0408464 A GB 0408464A GB 0408464 D0 GB0408464 D0 GB 0408464D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- loudspeakers
- 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.)
- Ceased
Links
Priority Applications (14)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0408464A GB0408464D0 (en) | 2004-04-16 | 2004-04-16 | Loudspeakers |
US11/578,256 US7916878B2 (en) | 2004-04-16 | 2005-04-08 | Acoustic device and method of making acoustic device |
JP2007507835A JP5085318B2 (en) | 2004-04-16 | 2005-04-08 | Acoustic device and acoustic device manufacturing method |
MXPA06011950A MXPA06011950A (en) | 2004-04-16 | 2005-04-08 | Acoustic device & method of making acoustic device. |
KR1020067021466A KR101145494B1 (en) | 2004-04-16 | 2005-04-08 | Acoustic device and method of making acoustic device |
CA002560659A CA2560659A1 (en) | 2004-04-16 | 2005-04-08 | Acoustic device & method of making acoustic device |
RU2006140326/28A RU2361371C2 (en) | 2004-04-16 | 2005-04-08 | Acoustic device and method of making said device |
EP05732434.5A EP1736030B1 (en) | 2004-04-16 | 2005-04-08 | Acoustic device & method of making acoustic device |
AU2005234549A AU2005234549B2 (en) | 2004-04-16 | 2005-04-08 | Acoustic device and method of making acoustic device |
CN2005800114302A CN1973573B (en) | 2004-04-16 | 2005-04-08 | Acoustic device and method for making same |
BRPI0509913-7A BRPI0509913A (en) | 2004-04-16 | 2005-04-08 | acoustic device and method for manufacturing the acoustic device |
PCT/GB2005/001352 WO2005101899A2 (en) | 2004-04-16 | 2005-04-08 | Acoustic device & method of making acoustic device |
TW094111930A TWI371215B (en) | 2004-04-16 | 2005-04-15 | Acoustic device & method of making acoustic device |
US12/929,980 US20110211722A1 (en) | 2004-04-16 | 2011-02-28 | Acoustic device & method of making acoustic device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0408464A GB0408464D0 (en) | 2004-04-16 | 2004-04-16 | Loudspeakers |
Publications (1)
Publication Number | Publication Date |
---|---|
GB0408464D0 true GB0408464D0 (en) | 2004-05-19 |
Family
ID=32320913
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0408464A Ceased GB0408464D0 (en) | 2004-04-16 | 2004-04-16 | Loudspeakers |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN1973573B (en) |
GB (1) | GB0408464D0 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010074206A1 (en) * | 2008-12-26 | 2010-07-01 | パナソニック電工株式会社 | Piezoelectric speaker, piezoelectric audio device employing piezoelectric speaker, and sensor with alert device attached |
CN102957990A (en) * | 2011-08-29 | 2013-03-06 | 何永平 | Electro-acoustic conversion device and tone quality adjusting method thereof |
CN102740184B (en) * | 2011-12-20 | 2014-07-16 | 西北工业大学 | Method for determining mechanical admittance of reinforcing plate housing by frequency ranges |
CN103217309B (en) * | 2013-04-03 | 2015-06-17 | 哈尔滨工程大学 | Method for measuring transmission loss of asymmetric pipeline silencer |
US10123764B2 (en) | 2017-03-28 | 2018-11-13 | Coleridge Design Associates Llc | Vibro-acoustic transducer |
CN109618271B (en) * | 2017-09-26 | 2021-08-27 | 惠州迪芬尼声学科技股份有限公司 | Method for generating a prediction curve for the acoustic load of a loudspeaker |
CN110283389A (en) * | 2019-06-14 | 2019-09-27 | 歌尔股份有限公司 | A kind of vibrating diaphragm and sounding device of sounding device |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5304746A (en) * | 1990-06-19 | 1994-04-19 | Purvine Harold O | Reduction of standing waves and intermodulation distortion in electro-acoustic transducer |
-
2004
- 2004-04-16 GB GB0408464A patent/GB0408464D0/en not_active Ceased
-
2005
- 2005-04-08 CN CN2005800114302A patent/CN1973573B/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN1973573A (en) | 2007-05-30 |
CN1973573B (en) | 2011-09-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AT | Applications terminated before publication under section 16(1) |