NL8900962A - Gerichte elektro-acoustische omzetter met een tweedelige dichte schaal. - Google Patents

Gerichte elektro-acoustische omzetter met een tweedelige dichte schaal. Download PDF

Info

Publication number: NL8900962A
Authority: NL; Netherlands
Prior art keywords: electro; shell; acoustic; motors; plane
Prior art date: 1988-04-28

Application number

NL8900962A

Other languages

English (en)

Dutch (nl)

Original Assignee

France Etat

Priority date (The priority date 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 date listed.)

1988-04-28

Filing date

1989-04-18

Publication date

1992-12-01

1989-04-18 Application filed by France Etat filed Critical France Etat

1992-12-01 Publication of NL8900962A publication Critical patent/NL8900962A/nl

Links

238000005452 bending Methods 0.000 claims description 12
230000000295 complement effect Effects 0.000 claims description 5
239000007787 solid Substances 0.000 claims description 4
239000007788 liquid Substances 0.000 claims description 3
239000000945 filler Substances 0.000 claims 1
239000000919 ceramic Substances 0.000 description 8
230000006835 compression Effects 0.000 description 6
238000007906 compression Methods 0.000 description 6
230000008878 coupling Effects 0.000 description 6
238000010168 coupling process Methods 0.000 description 6
238000005859 coupling reaction Methods 0.000 description 6
238000006073 displacement reaction Methods 0.000 description 4
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
230000000694 effects Effects 0.000 description 2
229910000838 Al alloy Inorganic materials 0.000 description 1
241000937413 Axia Species 0.000 description 1
239000004698 Polyethylene Substances 0.000 description 1
230000005540 biological transmission Effects 0.000 description 1
210000000988 bone and bone Anatomy 0.000 description 1
229910010293 ceramic material Inorganic materials 0.000 description 1
239000004020 conductor Substances 0.000 description 1
230000010339 dilation Effects 0.000 description 1
238000005259 measurement Methods 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000002184 metal Substances 0.000 description 1
230000003534 oscillatory effect Effects 0.000 description 1
-1 polyethylene Polymers 0.000 description 1
229920000573 polyethylene Polymers 0.000 description 1
238000007789 sealing Methods 0.000 description 1

Classifications

- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
- G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
- G10K9/121—Flextensional transducers

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Multimedia (AREA)
Transducers For Ultrasonic Waves (AREA)
Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Piezo-Electric Transducers For Audible Bands (AREA)

NL8900962A 1988-04-28 1989-04-18 Gerichte elektro-acoustische omzetter met een tweedelige dichte schaal. NL8900962A (nl)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FR8805660		1988-04-28
FR8805660A FR2688112B1 (fr)	1988-04-28	1988-04-28	Transducteurs electro-acoustiques directifs comportant une coque etanche en deux parties.

Publications (1)

Publication Number	Publication Date
NL8900962A true NL8900962A (nl)	1992-12-01

Family

ID=9365771

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL8900962A NL8900962A (nl)	1988-04-28	1989-04-18	Gerichte elektro-acoustische omzetter met een tweedelige dichte schaal.

Country Status (7)

Country	Link
US (1)	US5546361A (it)
DE (1)	DE3914143C2 (it)
FR (1)	FR2688112B1 (it)
GB (1)	GB2263842B (it)
IT (1)	IT1237008B (it)
NL (1)	NL8900962A (it)
SE (1)	SE470246B (it)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE9401761D0 (sv) *	1994-05-19	1994-05-19	Lars Staahl	Högpresterande skal/membran
NO301795B1 (no) *	1995-06-28	1997-12-08	Unaco Systems Ab	Elektrodynamisk drivenhet for akustiske sendere
NO303472B1 (no) *	1996-04-30	1998-07-13	Unaco Systems Ab	Akustisk sender
NO961765L (no) *	1996-04-30	1997-10-31	Unaco Systems Ab	Akustisk sender II
US7551518B1 (en) *	2008-02-26	2009-06-23	Pgs Geophysical As	Driving means for acoustic marine vibrator
US8094514B2 (en) *	2008-11-07	2012-01-10	Pgs Geophysical As	Seismic vibrator array and method for using
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
US8223592B2 (en) *	2010-06-11	2012-07-17	Graber Curtis E	Omni-directional acoustic radiator with radial waveguides for submersible multi-transducer array
US8446798B2 (en)	2010-06-29	2013-05-21	Pgs Geophysical As	Marine acoustic vibrator having enhanced low-frequency amplitude
US8670292B2 (en)	2011-08-12	2014-03-11	Pgs Geophysical As	Electromagnetic linear actuators for marine acoustic vibratory sources
US9417017B2 (en)	2012-03-20	2016-08-16	Thermal Corp.	Heat transfer apparatus and method
FR2996009B1 (fr) *	2012-09-26	2015-06-26	Cggveritas Services Sa	Source d'onde sismique piezoelectrique volumetrique et procedes associes
US9322945B2 (en)	2013-03-06	2016-04-26	Pgs Geophysical As	System and method for seismic surveying using distributed sources
RU2556277C1 (ru) *	2013-12-09	2015-07-10	Олег Савельевич Кочетов	Вибратор для имитации гармонического и случайного воздействий
WO2015101643A1 (en) *	2013-12-30	2015-07-09	Pgs Geophysical As	Control system for marine vibrators

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2302656A1 (fr) *	1975-02-27	1976-09-24	France Etat	Transducteur piezoelectrique pour basses frequences
FR2425785A1 (fr) *	1978-05-08	1979-12-07	France Etat	Transducteurs piezo-electriques a amplification mecanique pour tres basses frequences et antennes acoustiques
US4420826A (en) *	1981-07-06	1983-12-13	Sanders Associates, Inc.	Stress relief for flextensional transducer
US4462093A (en) *	1982-06-28	1984-07-24	Sanders Associates, Inc.	Symmetrical shell support for flextensional transducer
JPS6143897A (ja) *	1984-08-07	1986-03-03	Nec Corp	低周波水中超音波送波器
EP0209238A3 (en) *	1985-06-14	1989-03-08	Gould Inc.	Double piston acoustic transducer with selectable directivity
EP0297101B1 (en) *	1986-03-19	1992-04-22	The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and	Flextensional transducers
US4764907A (en) *	1986-04-30	1988-08-16	Allied Corporation	Underwater transducer
US4706230A (en) *	1986-08-29	1987-11-10	Nec Corporation	Underwater low-frequency ultrasonic wave transmitter
US4845688A (en) *	1988-03-21	1989-07-04	Image Acoustics, Inc.	Electro-mechanical transduction apparatus
FR2639789A1 (fr) *	1988-12-07	1990-06-08	Bernier Jerome	Outil de jardinage permettant de soulever automatiquement une motte de terre, sans effort et sans autres gestes que ceux du labourage, en conservant une position droite et le controle de la motte

1988
- 1988-04-28 FR FR8805660A patent/FR2688112B1/fr not_active Expired - Fee Related
1989
- 1989-04-18 NL NL8900962A patent/NL8900962A/nl not_active Application Discontinuation
- 1989-04-21 IT IT8920231A patent/IT1237008B/it active
- 1989-04-25 GB GB8909399A patent/GB2263842B/en not_active Expired - Fee Related
- 1989-04-28 DE DE3914143A patent/DE3914143C2/de not_active Expired - Fee Related
- 1989-04-28 US US07/360,944 patent/US5546361A/en not_active Expired - Fee Related
1991
- 1991-05-13 SE SE9101425A patent/SE470246B/sv unknown

Also Published As

Publication number	Publication date
GB2263842B (en)	1994-01-12
SE9101425L (sv)	1993-08-13
GB8909399D0 (en)	1993-05-26
SE470246B (sv)	1993-12-13
FR2688112B1 (fr)	1996-10-11
GB2263842A (en)	1993-08-04
IT1237008B (it)	1993-05-13
DE3914143A1 (de)	1993-10-21
IT8920231A0 (it)	1989-04-21
DE3914143C2 (de)	1999-02-18
FR2688112A1 (fr)	1993-09-03
US5546361A (en)	1996-08-13

Legal Events

Date	Code	Title	Description
1996-06-03	BV	The patent application has lapsed

Publication	Publication Date	Title
NL8900962A (nl)	1992-12-01	Gerichte elektro-acoustische omzetter met een tweedelige dichte schaal.
US6491708B2 (en)	2002-12-10	Ultrasonic transducer with improved compressive loading
US7285895B2 (en)	2007-10-23	Ultrasonic medical device and method
US5757726A (en)	1998-05-26	Flextensional acoustic source for offshore seismic exploration
US3396285A (en)	1968-08-06	Electromechanical transducer
WO1989009531A1 (en)	1989-10-05	Electro-mechanical transduction apparatus
US5742561A (en)	1998-04-21	Transversely driven piston transducer
US4779020A (en)	1988-10-18	Ultrasonic transducer
CN108877756A (zh)	2018-11-23	一种弯张结构驱动的低频圆环换能器
US5229978A (en)	1993-07-20	Electro-acoustic transducers
US4462093A (en)	1984-07-24	Symmetrical shell support for flextensional transducer
KR102765315B1 (ko)	2025-02-11	플렉스텐셔널 저주파 음향 프로젝터
NL8900961A (nl)	1992-12-01	Elektro-acoustische omzetter met een buigzame en dichte uitzendende schaal.
JP3151263B2 (ja)	2001-04-03	支持装置及び変換器集成体
JP3649151B2 (ja)	2005-05-18	屈曲型送受波器
US9406863B2 (en)	2016-08-02	Device and method for bracing electromechanical composite high-frequency vibration systems (VFHS)
JPH0532992B2 (it)	1993-05-18
JP3772601B2 (ja)	2006-05-10	超音波発生装置
RU3672U1 (ru)	1997-02-16	Ультразвуковой пьезоэлектрический излучатель для воздушной среды
JPS60148385A (ja)	1985-08-05	捻り・屈曲モ−ドのリング状超音波振動子
JPS6143898A (ja)	1986-03-03	電気音響変換器
SU1378929A1 (ru)	1988-03-07	Пьезоэлектрический преобразователь
RU2127474C1 (ru)	1999-03-10	Ультразвуковой преобразователь на изгибных колебаниях для газовых сред
JP2024070453A (ja)	2024-05-23	送受波装置および送受波方法
RU2355481C2 (ru)	2009-05-20	Устройство для преобразования продольных колебаний в крутильные