IT1220967B - Antenna acustica a lente geodetica - Google Patents

Antenna acustica a lente geodetica

Info

Publication number
IT1220967B
IT1220967B IT22977/80A IT2297780A IT1220967B IT 1220967 B IT1220967 B IT 1220967B IT 22977/80 A IT22977/80 A IT 22977/80A IT 2297780 A IT2297780 A IT 2297780A IT 1220967 B IT1220967 B IT 1220967B
Authority
IT
Italy
Prior art keywords
acoustic antenna
geodetic
lens acoustic
geodetic lens
antenna
Prior art date
Application number
IT22977/80A
Other languages
English (en)
Other versions
IT8022977A0 (it
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.)
Filing date
Publication date
Application filed by Thomson Csf filed Critical Thomson Csf
Publication of IT8022977A0 publication Critical patent/IT8022977A0/it
Application granted granted Critical
Publication of IT1220967B publication Critical patent/IT1220967B/it

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)
IT22977/80A 1979-06-29 1980-06-24 Antenna acustica a lente geodetica IT1220967B (it)

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 (2)

Publication Number Publication Date
IT8022977A0 IT8022977A0 (it) 1980-06-24
IT1220967B true IT1220967B (it) 1990-06-21

Family

ID=9227305

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22977/80A IT1220967B (it) 1979-06-29 1980-06-24 Antenna acustica a lente geodetica

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
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

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