BE884069A - Antenne acoustique a lentille geodesique - Google Patents

Antenne acoustique a lentille geodesique

Info

Publication number
BE884069A
BE884069A BE0/201226A BE201226A BE884069A BE 884069 A BE884069 A BE 884069A BE 0/201226 A BE0/201226 A BE 0/201226A BE 201226 A BE201226 A BE 201226A BE 884069 A BE884069 A BE 884069A
Authority
BE
Belgium
Prior art keywords
acoustic antenna
geodesic lens
geodesic
lens
acoustic
Prior art date
Application number
BE0/201226A
Other languages
English (en)
French (fr)
Inventor
M Lagier
Original Assignee
Secret
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 Secret filed Critical Secret
Publication of BE884069A publication Critical patent/BE884069A/fr

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)
BE0/201226A 1979-06-29 1980-08-27 Antenne acoustique a lentille geodesique BE884069A (fr)

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
BE884069A true BE884069A (fr) 1983-07-15

Family

ID=9227305

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/201226A BE884069A (fr) 1979-06-29 1980-08-27 Antenne acoustique a lentille geodesique

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
NL8003776A (nl) 1982-09-01
DK278180A (da) 1983-06-23
FR2492142A1 (fr) 1982-04-16
IT8022977A0 (it) 1980-06-24
GB2096869A (en) 1982-10-20

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: SECRET

Effective date: 19840827