NL8003776A - Akoestische antenne met geodetische lens. - Google Patents

Akoestische antenne met geodetische lens. Download PDF

Info

Publication number
NL8003776A
NL8003776A NL8003776A NL8003776A NL8003776A NL 8003776 A NL8003776 A NL 8003776A NL 8003776 A NL8003776 A NL 8003776A NL 8003776 A NL8003776 A NL 8003776A NL 8003776 A NL8003776 A NL 8003776A
Authority
NL
Netherlands
Prior art keywords
antenna according
acoustic
lens
waves
walls
Prior art date
Application number
NL8003776A
Other languages
English (en)
Dutch (nl)
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.)
Filing date
Publication date
Application filed by Thomson Csf filed Critical Thomson Csf
Publication of NL8003776A publication Critical patent/NL8003776A/nl

Links

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)
NL8003776A 1979-06-29 1980-06-30 Akoestische antenne met geodetische lens. NL8003776A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7916896A FR2492142A1 (fr) 1979-06-29 1979-06-29 Antenne acoustique a lentille geodesique
FR7916896 1979-06-29

Publications (1)

Publication Number Publication Date
NL8003776A true NL8003776A (nl) 1982-09-01

Family

ID=9227305

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8003776A NL8003776A (nl) 1979-06-29 1980-06-30 Akoestische antenne met geodetische lens.

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

Also Published As

Publication number Publication date
DE3023998A1 (de) 1983-11-03
FR2492142B1 (it) 1984-12-21
NO801955L (no) 1982-04-14
GB2096869B (en) 1983-04-07
IT1220967B (it) 1990-06-21
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

Similar Documents

Publication Publication Date Title
Lemons et al. Acoustic microscope—scanning version
US4257016A (en) Piezo-optic, total internal reflection modulator
EP1766608B1 (en) Acoustic device with variable focal length
US5123418A (en) Micro-echographic probe for ultrasound collimation through a deformable surface
US2984756A (en) Launching mechanical waves
US3934460A (en) Apparatus for focusing and collimating ultrasonic waves
US3903990A (en) Acoustic lens
JPS59160754A (ja) 走査型音波顕微鏡
US3982223A (en) Composite acoustic lens
US4395775A (en) Optical devices utilizing multicapillary arrays
NL8003776A (nl) Akoestische antenne met geodetische lens.
KR102423841B1 (ko) 음향에너지 집속장치
US4457175A (en) Insonification apparatus for an ultrasound transmission system
US3922907A (en) In-bore turbine inspection device
US3685008A (en) Acousto-optical echo imaging method and apparatus
US3602577A (en) Optical tunneling acoustic surface wave light modulator
GB1127238A (en) Improvements in and relating to ultrasonic scanning cell
US4566333A (en) Focusing ultrasonic transducer element
Rubin et al. Phase cancellation: a cause of acoustical shadowing at the edges of curved surfaces in B-mode ultrasound images
US2723556A (en) Ultrasonic velocity measuring device
GB2091520A (en) Ultrasonic Probe
Wu Calculation of acoustic radiation force generated by focused beams using the ray acoustics approach
US4551826A (en) Multiple beam lens transducer with collimator for sonar systems
US3997717A (en) Ultrasonic wave radiation pattern display system incorporating phase contrast means
KR102331585B1 (ko) 초음파 조준장치 및 이를 이용한 초음파 조준방법

Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BV The patent application has lapsed