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
Application number
JP2004561675A
Other languages
English (en)
Japanese (ja)
Other versions
JP2006511135A (ja
JP4102904B2 (ja
Filing date
Publication date
Priority claimed from GB0229954A external-priority patent/GB0229954D0/en
Priority claimed from GB0229952A external-priority patent/GB0229952D0/en
Application filed filed Critical
Priority claimed from PCT/GB2003/005616 external-priority patent/WO2004057912A2/en
Publication of JP2006511135A publication Critical patent/JP2006511135A/ja
Publication of JP2006511135A5 publication Critical patent/JP2006511135A5/ja
Application granted granted Critical
Publication of JP4102904B2 publication Critical patent/JP4102904B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

JP2004561675A 2002-12-20 2003-12-22 音響トランスデューサ Expired - Lifetime JP4102904B2 (ja)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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