NO801955L - Elektroakustisk transducerrekke med en geodesisk linse - Google Patents

Elektroakustisk transducerrekke med en geodesisk linse

Info

Publication number: NO801955L
Authority: NO; Norway
Prior art keywords: electroacoustic transducer; lens; stated; transducer antenna; waves
Prior art date: 1979-06-29

Application number

NO801955A

Other languages

English (en)

Norwegian (no)

Inventor

Michel Lagier

Original Assignee

Thomson Csf

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.)

1979-06-29

Filing date

1980-06-27

Publication date

1982-04-14

1980-06-27 Application filed by Thomson Csf filed Critical Thomson Csf

1982-04-14 Publication of NO801955L publication Critical patent/NO801955L/no

Links

230000026683 transduction Effects 0.000 title 1
238000010361 transduction Methods 0.000 title 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
239000004020 conductor Substances 0.000 claims description 14
229910000831 Steel Inorganic materials 0.000 claims description 12
239000007788 liquid Substances 0.000 claims description 12
239000010959 steel Substances 0.000 claims description 12
230000005855 radiation Effects 0.000 claims description 8
230000035515 penetration Effects 0.000 claims description 6
230000006835 compression Effects 0.000 claims description 5
238000007906 compression Methods 0.000 claims description 5
229920002635 polyurethane Polymers 0.000 claims description 4
239000004814 polyurethane Substances 0.000 claims description 4
230000005540 biological transmission Effects 0.000 claims description 3
239000003190 viscoelastic substance Substances 0.000 claims description 3
230000000644 propagated effect Effects 0.000 claims description 2
230000008878 coupling Effects 0.000 claims 3
238000010168 coupling process Methods 0.000 claims 3
238000005859 coupling reaction Methods 0.000 claims 3
238000010586 diagram Methods 0.000 description 10
239000011343 solid material Substances 0.000 description 7
210000001747 pupil Anatomy 0.000 description 4
238000004519 manufacturing process Methods 0.000 description 3
239000000463 material Substances 0.000 description 3
230000003287 optical effect Effects 0.000 description 3
230000004075 alteration Effects 0.000 description 2
238000013459 approach Methods 0.000 description 2
238000013016 damping Methods 0.000 description 2
238000005516 engineering process Methods 0.000 description 2
230000001902 propagating effect Effects 0.000 description 2
239000007787 solid Substances 0.000 description 2
125000006850 spacer group Chemical group 0.000 description 2
206010010071 Coma Diseases 0.000 description 1
239000011358 absorbing material Substances 0.000 description 1
201000009310 astigmatism Diseases 0.000 description 1
238000005260 corrosion Methods 0.000 description 1
230000007797 corrosion Effects 0.000 description 1
230000003111 delayed effect Effects 0.000 description 1
230000000694 effects Effects 0.000 description 1
NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
238000011835 investigation Methods 0.000 description 1
230000000873 masking effect Effects 0.000 description 1
238000000034 method Methods 0.000 description 1
239000000203 mixture Substances 0.000 description 1
230000010363 phase shift Effects 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
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
- G10K11/26—Sound-focusing or directing, e.g. scanning
- G10K11/30—Sound-focusing or directing, e.g. scanning using refraction, e.g. acoustic lenses

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Multimedia (AREA)
Transducers For Ultrasonic Waves (AREA)
Aerials With Secondary Devices (AREA)
Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Glass Compositions (AREA)
Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

NO801955A 1979-06-29 1980-06-27 Elektroakustisk transducerrekke med en geodesisk linse NO801955L (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR7916896A FR2492142A1 (fr)	1979-06-29	1979-06-29	Antenne acoustique a lentille geodesique

Publications (1)

Publication Number	Publication Date
NO801955L true NO801955L (no)	1982-04-14

Family

ID=9227305

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO801955A NO801955L (no)	1979-06-29	1980-06-27	Elektroakustisk transducerrekke med en geodesisk linse

Country Status (8)

Country	Link
BE (1)	BE884069A (it)
DE (1)	DE3023998A1 (it)
DK (1)	DK278180A (it)
FR (1)	FR2492142A1 (it)
GB (1)	GB2096869B (it)
IT (1)	IT1220967B (it)
NL (1)	NL8003776A (it)
NO (1)	NO801955L (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA1262571A (en) *	1986-12-09	1989-10-31	Yung L. Chow	Radome-lens ehf antenna development
RU2214658C1 (ru) *	2002-03-20	2003-10-20	16 Центральный научно-исследовательский испытательный институт Министерства обороны Российской Федерации	Антенна с управляемой купольной линзой
WO2007143196A2 (en) *	2006-06-02	2007-12-13	Light Prescriptions Innovators, Llc	Waveguide-optical kohler integrator utilizing geodesic lenses
CN114639968B (zh) *	2022-05-19	2022-11-15	西安海天天线科技股份有限公司	介质透镜天线、人工介质透镜及其加工方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3668335A (en) *	1969-06-17	1972-06-06	Harold N Beveridge	Electrostatic loudspeaker
US3957134A (en) *	1974-12-09	1976-05-18	Daniel Donald D	Acoustic refractors
GB2004170B (en) *	1977-08-30	1982-01-27	Secr Defence	Acoustic lenses

1979
- 1979-06-29 FR FR7916896A patent/FR2492142A1/fr active Granted
1980
- 1980-06-24 IT IT22977/80A patent/IT1220967B/it active
- 1980-06-26 GB GB8020634A patent/GB2096869B/en not_active Expired
- 1980-06-26 DE DE19803023998 patent/DE3023998A1/de not_active Withdrawn
- 1980-06-27 DK DK278180A patent/DK278180A/da not_active Application Discontinuation
- 1980-06-27 NO NO801955A patent/NO801955L/no unknown
- 1980-06-30 NL NL8003776A patent/NL8003776A/nl not_active Application Discontinuation
- 1980-08-27 BE BE0/201226A patent/BE884069A/fr not_active IP Right Cessation

Also Published As

Publication number	Publication date
DE3023998A1 (de)	1983-11-03
FR2492142B1 (it)	1984-12-21
GB2096869B (en)	1983-04-07
IT1220967B (it)	1990-06-21
NL8003776A (nl)	1982-09-01
DK278180A (da)	1983-06-23
BE884069A (fr)	1983-07-15
FR2492142A1 (fr)	1982-04-16
IT8022977A0 (it)	1980-06-24
GB2096869A (en)	1982-10-20

Publication	Publication Date	Title
US4328569A (en)	1982-05-04	Array shading for a broadband constant directivity transducer
US4058003A (en)	1977-11-15	Ultrasonic electronic lens with reduced delay range
US2984756A (en)	1961-05-16	Launching mechanical waves
US3687219A (en)	1972-08-29	Ultrasonic beam expander
US11551661B2 (en)	2023-01-10	Directional sound device
US2438936A (en)	1948-04-06	Electromechanical transducer
JPS59160754A (ja)	1984-09-11	走査型音波顕微鏡
US4460987A (en)	1984-07-17	Variable focus sonar with curved array
NO801955L (no)	1982-04-14	Elektroakustisk transducerrekke med en geodesisk linse
KR102423841B1 (ko)	2022-07-22	음향에너지 집속장치
US4321696A (en)	1982-03-23	Ultrasonic transducer using ultra high frequency
US3255451A (en)	1966-06-07	Conical scanning rotatable dielectric wedge lens which is dynamically balanced
Folds	1973	Focusing properties of solid ultrasonic cylindrical lenses
US1730528A (en)	1929-10-08	Acoustic transformer
Naify et al.	2018	Acoustic leaky wave antennas: Direction-finding via dispersion
US4566333A (en)	1986-01-28	Focusing ultrasonic transducer element
Dungan et al.	2002	Orientation effects on linear time-reversing array retrofocusing in shallow water
US9922638B2 (en)	2018-03-20	Acoustic fresnel zone plate lens for aqueous environments and methods of using same
US4550609A (en)	1985-11-05	Acoustic lens
US4450542A (en)	1984-05-22	Multiple beam lens transducer for sonar systems
CA1150815A (en)	1983-07-26	Parametric array doppler sonar apparatus
JPS6361161A (ja)	1988-03-17	集束型超音波探触子
US2827620A (en)	1958-03-18	Beam-forming systems
US4551826A (en)	1985-11-05	Multiple beam lens transducer with collimator for sonar systems
Wallace et al.	1975	Experimental investigation of several passive sonar targets