JP2006511135A5 - - Google Patents
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- Publication number
- JP2006511135A5 JP2006511135A5 JP2004561675A JP2004561675A JP2006511135A5 JP 2006511135 A5 JP2006511135 A5 JP 2006511135A5 JP 2004561675 A JP2004561675 A JP 2004561675A JP 2004561675 A JP2004561675 A JP 2004561675A JP 2006511135 A5 JP2006511135 A5 JP 2006511135A5
- Authority
- JP
- Japan
- Prior art keywords
- active element
- acoustic
- actuator
- driver
- magnetostrictive
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 claims 9
- 238000006243 chemical reaction Methods 0.000 claims 2
- 238000004804 winding Methods 0.000 claims 2
- 229910000639 Spring steel Inorganic materials 0.000 claims 1
- 230000008602 contraction Effects 0.000 claims 1
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000005484 gravity Effects 0.000 claims 1
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0229954A GB0229954D0 (en) | 2002-12-20 | 2002-12-20 | Actuator |
| GB0229952A GB0229952D0 (en) | 2002-12-20 | 2002-12-20 | Magnetostrictive actuator |
| PCT/GB2003/005616 WO2004057912A2 (en) | 2002-12-20 | 2003-12-22 | Acoustic actuators |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2006511135A JP2006511135A (ja) | 2006-03-30 |
| JP2006511135A5 true JP2006511135A5 (enExample) | 2006-05-18 |
| JP4102904B2 JP4102904B2 (ja) | 2008-06-18 |
Family
ID=32683985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004561675A Expired - Lifetime JP4102904B2 (ja) | 2002-12-20 | 2003-12-22 | 音響トランスデューサ |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7620193B2 (enExample) |
| EP (2) | EP1773097B1 (enExample) |
| JP (1) | JP4102904B2 (enExample) |
| AU (1) | AU2003294140A1 (enExample) |
| DE (2) | DE60310765D1 (enExample) |
| WO (1) | WO2004057912A2 (enExample) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004057912A2 (en) | 2002-12-20 | 2004-07-08 | Newlands Technology Limited | Acoustic actuators |
| WO2006091665A2 (en) * | 2005-02-23 | 2006-08-31 | Massachusetts Institute Of Technology | Acoustic pulse actuator |
| JP4758133B2 (ja) * | 2005-04-28 | 2011-08-24 | フォスター電機株式会社 | 超磁歪スピーカ |
| GB0719246D0 (en) | 2007-10-03 | 2007-11-14 | Feonic Plc | Transducer for vibration absorbing, sensing and transmitting |
| JP4524700B2 (ja) * | 2007-11-26 | 2010-08-18 | ソニー株式会社 | スピーカ装置およびスピーカ駆動方法 |
| US8094514B2 (en) * | 2008-11-07 | 2012-01-10 | Pgs Geophysical As | Seismic vibrator array and method for using |
| US8189851B2 (en) | 2009-03-06 | 2012-05-29 | Emo Labs, Inc. | Optically clear diaphragm for an acoustic transducer and method for making same |
| ITTO20090368A1 (it) * | 2009-05-08 | 2010-11-09 | Esarc Hi Tech S R L | Dispositivo per la riproduzione del suono |
| ITTO20090369A1 (it) * | 2009-05-08 | 2010-11-09 | Esarc Hi Tech S R L | Dispositivo per la riproduzione del suono con supporto modellabile |
| ITTO20090470A1 (it) * | 2009-06-19 | 2010-12-20 | Esarc Hi Tech S R L | Dispositivo per la riproduzione del suono con attuatori acustici sovrapposti |
| US7974152B2 (en) * | 2009-06-23 | 2011-07-05 | Pgs Geophysical As | Control system for marine vibrators and seismic acquisition system using such control system |
| US8335127B2 (en) * | 2009-08-12 | 2012-12-18 | Pgs Geophysical As | Method for generating spread spectrum driver signals for a seismic vibrator array using multiple biphase modulation operations in each driver signal chip |
| GB0921195D0 (en) * | 2009-12-03 | 2010-01-20 | Feonic Plc | Audio device |
| IT1398882B1 (it) * | 2010-02-18 | 2013-03-21 | Esarc Hi Tech S R L | Dispositivo per la riproduzione del suono |
| US8446798B2 (en) | 2010-06-29 | 2013-05-21 | Pgs Geophysical As | Marine acoustic vibrator having enhanced low-frequency amplitude |
| GB201011183D0 (en) | 2010-07-02 | 2010-08-18 | Feonic Plc | Apparatus for radioating an audio signal |
| JP5680487B2 (ja) * | 2011-06-08 | 2015-03-04 | ビフレステック株式会社 | 音響装置およびその振動伝達方法 |
| US8670292B2 (en) | 2011-08-12 | 2014-03-11 | Pgs Geophysical As | Electromagnetic linear actuators for marine acoustic vibratory sources |
| US10226133B2 (en) * | 2012-03-08 | 2019-03-12 | Robert Katz | Audio headboard |
| US20140270193A1 (en) * | 2013-03-15 | 2014-09-18 | Emo Labs, Inc. | Acoustic transducers having a connector between an actuator and a diaphragm |
| US20150010173A1 (en) * | 2013-07-05 | 2015-01-08 | Qualcomm Incorporated | Apparatus and method for providing a frequency response for audio signals |
| BR112016015113B1 (pt) * | 2013-12-30 | 2022-09-27 | Pgs Geophysical As | Sistema e método de controle para vibradores marinhos |
| US10476461B2 (en) * | 2017-12-20 | 2019-11-12 | Nvf Tech Ltd | Active distributed mode actuator |
| JP6522819B2 (ja) * | 2018-02-05 | 2019-05-29 | 京セラ株式会社 | 音発生器、音発生器用圧電振動部及び音発生システム |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2031789A (en) * | 1932-08-09 | 1936-02-25 | Pierce George Washington | Acoustic electric energy converter |
| US2249835A (en) * | 1937-11-11 | 1941-07-22 | Bell Telephone Labor Inc | Magnetostrictive vibrator |
| US2621260A (en) * | 1947-01-24 | 1952-12-09 | Sykes Adrian Francis | Electrical sound recording, reproducing, and like apparatus |
| US3366748A (en) | 1964-09-22 | 1968-01-30 | Artnell Company | Loudspeaker diaphragm and driver |
| US3470402A (en) * | 1967-08-25 | 1969-09-30 | Us Navy | Magnetostrictive vibration motor |
| US3697790A (en) * | 1970-12-02 | 1972-10-10 | William T Flint | Transducers having piezoelectric struts |
| US4845688A (en) | 1988-03-21 | 1989-07-04 | Image Acoustics, Inc. | Electro-mechanical transduction apparatus |
| US20010005417A1 (en) * | 1999-12-16 | 2001-06-28 | Bijan Djahansouzi | Acoustic devices |
| JP2004527168A (ja) | 2001-03-19 | 2004-09-02 | ニューランズ テクノロジー リミテッド | 磁歪アクチュエータ |
| WO2004057912A2 (en) | 2002-12-20 | 2004-07-08 | Newlands Technology Limited | Acoustic actuators |
-
2003
- 2003-12-22 WO PCT/GB2003/005616 patent/WO2004057912A2/en not_active Ceased
- 2003-12-22 EP EP06124258A patent/EP1773097B1/en not_active Expired - Lifetime
- 2003-12-22 EP EP03789560A patent/EP1576851B1/en not_active Expired - Lifetime
- 2003-12-22 DE DE60310765T patent/DE60310765D1/de not_active Expired - Lifetime
- 2003-12-22 JP JP2004561675A patent/JP4102904B2/ja not_active Expired - Lifetime
- 2003-12-22 AU AU2003294140A patent/AU2003294140A1/en not_active Abandoned
- 2003-12-22 US US10/538,441 patent/US7620193B2/en not_active Expired - Fee Related
- 2003-12-22 DE DE60328236T patent/DE60328236D1/de not_active Expired - Fee Related
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