SE470247B - Elektroakustisk omvandlare innefattande en flexibel och tätad sändande kapsel - Google Patents

Elektroakustisk omvandlare innefattande en flexibel och tätad sändande kapsel

Info

Publication number: SE470247B
Authority: SE; Sweden
Prior art keywords: heads; drive means; capsule; acoustic; canister
Prior art date: 1988-04-28

Application number

SE9101426A

Other languages

English (en)

Swedish (sv)

Other versions

SE9101426L (sv

Inventor

D Boucher

C Pohlenz

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

1991-05-13

Publication date

1993-12-13

1991-05-13 Application filed by France Etat filed Critical France Etat

1993-08-13 Publication of SE9101426L publication Critical patent/SE9101426L/

1993-12-13 Publication of SE470247B publication Critical patent/SE470247B/sv

Links

239000002775 capsule Substances 0.000 title claims description 30
238000005452 bending Methods 0.000 claims description 35
239000000919 ceramic Substances 0.000 claims description 20
230000010355 oscillation Effects 0.000 claims description 18
239000000203 mixture Substances 0.000 claims description 9
239000007788 liquid Substances 0.000 claims description 2
229910052751 metal Inorganic materials 0.000 claims description 2
239000002184 metal Substances 0.000 claims description 2
230000033001 locomotion Effects 0.000 description 6
230000005540 biological transmission Effects 0.000 description 5
229910000831 Steel Inorganic materials 0.000 description 3
238000007906 compression Methods 0.000 description 3
239000010959 steel Substances 0.000 description 3
230000008878 coupling Effects 0.000 description 2
238000010168 coupling process Methods 0.000 description 2
238000005859 coupling reaction Methods 0.000 description 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
229910000838 Al alloy Inorganic materials 0.000 description 1
229910001369 Brass Inorganic materials 0.000 description 1
230000009286 beneficial effect Effects 0.000 description 1
210000000988 bone and bone Anatomy 0.000 description 1
239000010951 brass Substances 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
238000006073 displacement reaction Methods 0.000 description 1
230000005684 electric field Effects 0.000 description 1
230000003071 parasitic effect Effects 0.000 description 1
239000013535 sea water Substances 0.000 description 1
238000010408 sweeping Methods 0.000 description 1
WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
229910052721 tungsten Inorganic materials 0.000 description 1
239000010937 tungsten Substances 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)

SE9101426A 1988-04-28 1991-05-13 Elektroakustisk omvandlare innefattande en flexibel och tätad sändande kapsel SE470247B (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR8805661A FR2688972B1 (fr)	1988-04-28	1988-04-28	Transducteurs electro-acoustiques comportant une coque emettrice flexible et etanche.

Publications (2)

Publication Number	Publication Date
SE9101426L SE9101426L (sv)	1993-08-13
SE470247B true SE470247B (sv)	1993-12-13

Family

ID=9365772

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE9101426A SE470247B (sv)	1988-04-28	1991-05-13	Elektroakustisk omvandlare innefattande en flexibel och tätad sändande kapsel

Country Status (7)

Country	Link
US (1)	US5515343A (it)
DE (1)	DE3914141C2 (it)
FR (1)	FR2688972B1 (it)
GB (1)	GB2264420B (it)
IT (1)	IT1237007B (it)
NL (1)	NL8900961A (it)
SE (1)	SE470247B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
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
US5894451A (en) *	1997-10-21	1999-04-13	The United States Of America As Represented By The Secretary Of The Navy	Impulsive snap-through acoustic pulse generator
US6298012B1 (en) *	1999-10-04	2001-10-02	The United States Of America As Represented By The Secretary Of The Navy	Doubly resonant push-pull flextensional
RU2257595C2 (ru) *	2003-04-01	2005-07-27	Федеральное государственное унитарное предприятие центральный научно-исследовательский институт "Гидроприбор"	Гидроакустический излучатель для глубоководного дрейфующего прибора
US7551518B1 (en) *	2008-02-26	2009-06-23	Pgs Geophysical As	Driving means for acoustic marine vibrator
US8188638B2 (en) *	2009-07-27	2012-05-29	The United States Of America As Represented By The Secretary Of The Navy	Cooling acoustic transducer with heat pipes
US11931776B2 (en)	2018-12-26	2024-03-19	Industrial Technology Research Institute	Actuator, method for manufacturing the actuator, and acoustic transmitter

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3274537A (en) *	1963-10-17	1966-09-20	William J Toulis	Flexural-extensional electro-mechanical transducer
US3541502A (en) *	1969-01-03	1970-11-17	Us Navy	Deep submergence transducer
US3974474A (en) *	1973-06-04	1976-08-10	General Electric Company	Underwater electroacoustic transducer construction
US4072871A (en) *	1974-05-20	1978-02-07	Westinghouse Electric Corp.	Electroacoustic transducer
EP0209238A3 (en) *	1985-06-14	1989-03-08	Gould Inc.	Double piston acoustic transducer with selectable directivity
EP0215657B1 (en) *	1985-09-12	1990-03-21	British Aerospace Public Limited Company	Sonar transducers
WO1987005773A1 (en) *	1986-03-19	1987-09-24	The Secretary Of State For Defence In Her Britanni	Flextensional transducers
AU597051B2 (en) *	1986-03-19	1990-05-24	Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland, The	Sonar transducers
US4764907A (en) *	1986-04-30	1988-08-16	Allied Corporation	Underwater transducer
US4845688A (en) *	1988-03-21	1989-07-04	Image Acoustics, Inc.	Electro-mechanical transduction apparatus
FR2639786B1 (fr) *	1988-11-04	1991-07-26	Thomson Csf	Transducteur flextenseur

1988
- 1988-04-28 FR FR8805661A patent/FR2688972B1/fr not_active Expired - Fee Related
1989
- 1989-04-18 NL NL8900961A patent/NL8900961A/nl not_active Application Discontinuation
- 1989-04-21 IT IT8920230A patent/IT1237007B/it active
- 1989-04-25 GB GB8909402A patent/GB2264420B/en not_active Expired - Fee Related
- 1989-04-28 DE DE3914141A patent/DE3914141C2/de not_active Expired - Fee Related
- 1989-04-28 US US07/360,945 patent/US5515343A/en not_active Expired - Fee Related
1991
- 1991-05-13 SE SE9101426A patent/SE470247B/sv unknown

Also Published As

Publication number	Publication date
IT8920230A0 (it)	1989-04-21
US5515343A (en)	1996-05-07
DE3914141A1 (de)	1993-10-21
DE3914141C2 (de)	1998-10-08
GB8909402D0 (en)	1993-05-26
FR2688972B1 (fr)	1996-10-11
GB2264420A (en)	1993-08-25
SE9101426L (sv)	1993-08-13
FR2688972A1 (fr)	1993-09-24
GB2264420B (en)	1994-01-19
IT1237007B (it)	1993-05-13
NL8900961A (nl)	1992-12-01

Legal Events

Date

Code

Title

Description

1995-01-31

NAL

Patent in force

Ref document number: 9101426-6

Format of ref document f/p: F

Publication	Publication Date	Title
US4864548A (en)	1989-09-05	Flextensional transducer
US4072871A (en)	1978-02-07	Electroacoustic transducer
US7555133B2 (en)	2009-06-30	Electro-acoustic transducer
US3370187A (en)	1968-02-20	Electromechanical apparatus
US4764907A (en)	1988-08-16	Underwater transducer
CN101964185A (zh)	2011-02-02	一种超宽带水声换能器
US5130953A (en)	1992-07-14	Submersible electro-acoustic transducer
US5546361A (en)	1996-08-13	Directional electro-acoustic transducers comprising a sealed sell consisting of two portions
SE470247B (sv)	1993-12-13	Elektroakustisk omvandlare innefattande en flexibel och tätad sändande kapsel
US5229978A (en)	1993-07-20	Electro-acoustic transducers
US5701277A (en)	1997-12-23	Electro-acoustic transducers
CN108435523A (zh)	2018-08-24	水滴型弯张换能器
KR20240022835A (ko)	2024-02-20	플렉스텐셔널 저주파 음향 프로젝터
US5483502A (en)	1996-01-09	Method and apparatus for emitting high power acoustic waves using transducers
JP2985509B2 (ja)	1999-12-06	低周波水中送波器
US6298012B1 (en)	2001-10-02	Doubly resonant push-pull flextensional
KR20210065674A (ko)	2021-06-04	광대역 톤필츠형 트랜스듀서
JP5050652B2 (ja)	2012-10-17	送波器及びその駆動方法
AU2022448923A1 (en)	2024-08-29	Multi-stake underwater transducer and array
JP2546488B2 (ja)	1996-10-23	低周波水中送波器
JP2626026B2 (ja)	1997-07-02	送受波器
Dufourcq et al.	1991	Transducers for great depths
SU711705A1 (ru)	1980-01-25	Пъезоэлектрический преобразователь крутильных колебаний
KR102915200B1 (ko)	2026-01-20	다중공진 플렉스텐셔널 저주파 음향 프로젝터
RU196335U1 (ru)	2020-02-26	Продольно-изгибный гидроакустический преобразователь