BE474864A - - Google Patents

Info

Publication number
BE474864A
BE474864A BE474864DA BE474864A BE 474864 A BE474864 A BE 474864A BE 474864D A BE474864D A BE 474864DA BE 474864 A BE474864 A BE 474864A
Authority
BE
Belgium
Application number
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.)
Publication of BE474864A publication Critical patent/BE474864A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/02—Refracting or diffracting devices, e.g. lens, prism
BE474864D 1944-04-22 BE474864A (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US532381A US2415352A (en) 1944-04-22 1944-04-22 Lens for radio-frequency waves

Publications (1)

Publication Number Publication Date
BE474864A true BE474864A (it)

Family

ID=24121537

Family Applications (1)

Application Number Title Priority Date Filing Date
BE474864D BE474864A (it) 1944-04-22

Country Status (3)

Country Link
US (1) US2415352A (it)
BE (1) BE474864A (it)
GB (1) GB608949A (it)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2524292A (en) * 1944-04-18 1950-10-03 Rca Corp Radio vision system with high-speed scanner for short radio waves
US2549721A (en) * 1944-05-16 1951-04-17 Henry A Straus Antenna system of variable directivity and high resolution
US2577463A (en) * 1944-05-17 1951-12-04 Rca Corp Device for transmission and reception of very short electrical waves
US2617934A (en) * 1945-05-02 1952-11-11 Edward B Mcmillan Antenna housing
US2561077A (en) * 1946-04-04 1951-07-17 Honeywell Regulator Co Radiation pyrometer
US2562277A (en) * 1946-04-08 1951-07-31 Bell Telephone Labor Inc Metallic lens directive antenna system
US2547416A (en) * 1946-12-19 1951-04-03 Bell Telephone Labor Inc Dielectric lens
US2579324A (en) * 1947-05-16 1951-12-18 Bell Telephone Labor Inc Metallic structure for delaying propagated waves
US2576181A (en) * 1947-10-28 1951-11-27 Rca Corp Focusing device for centimeter waves
US2585562A (en) * 1947-12-04 1952-02-12 Bell Telephone Labor Inc Directive antenna system
BE487156A (it) * 1948-02-03
US2571612A (en) * 1948-02-24 1951-10-16 Robert H Rines Stereoscopic image reception by millimetric radiation
US2959783A (en) * 1948-03-16 1960-11-08 Iams Harley Scanning antennas using dielectric with variable refraction
US2698901A (en) * 1948-03-17 1955-01-04 Wilkes Gilbert Back-radiation reflector for microwave antenna systems
US2636125A (en) * 1948-04-10 1953-04-21 Bell Telephone Labor Inc Selective electromagnetic wave system
DE894421C (de) * 1948-10-03 1953-10-26 Siemens Ag Anordnung zur diathermischen Bestrahlung
US2669657A (en) * 1949-11-19 1954-02-16 Bell Telephone Labor Inc Electromagnetic lens
BE504193A (it) * 1950-06-23
US2716190A (en) * 1951-02-23 1955-08-23 Dow Chemical Co Dielectric material
US2822542A (en) * 1954-10-18 1958-02-04 Motorola Inc Directive antenna
US3151324A (en) * 1957-03-18 1964-09-29 Mcmillan Corp Of North Carolin Wide-band electromagneticradiation absorber
US3122742A (en) * 1957-11-22 1964-02-25 Diamond Antenna & Microwave Co Radio frequency to light frequency transducer
NL244999A (it) * 1958-11-21
US3359560A (en) * 1962-08-17 1967-12-19 Armstrong Cork Co Cylindrical dielectric lens
US3441784A (en) * 1967-04-26 1969-04-29 Varian Associates Ridged dielectric window with titanium suboxide solely on ridges
US3550139A (en) * 1968-07-05 1970-12-22 North American Rockwell Hemispherical dielectric lens type antenna employing a uniform dielectric
US4181774A (en) * 1978-12-19 1980-01-01 The United States Of America As Represented By The Secretary Of The Air Force Electromagnetic interference filter window
US4556070A (en) * 1983-10-31 1985-12-03 Varian Associates, Inc. Hyperthermia applicator for treatment with microwave energy and ultrasonic wave energy
NO157480C (no) * 1985-02-28 1988-03-30 Sintef Hybridmodus hornantenne.
US5017939A (en) * 1989-09-26 1991-05-21 Hughes Aircraft Company Two layer matching dielectrics for radomes and lenses for wide angles of incidence
US7541994B2 (en) * 2006-05-17 2009-06-02 Raytheon Company Refractive compact range
US9722316B2 (en) * 2014-07-07 2017-08-01 Google Inc. Horn lens antenna
JP6693682B2 (ja) * 2018-03-23 2020-05-13 三菱電機株式会社 レーダ装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE354930A (it) * 1933-08-31
US2240157A (en) * 1938-05-25 1941-04-29 American Optical Corp Ophthalmic lens
US2273447A (en) * 1939-09-07 1942-02-17 Bell Telephone Labor Inc Unidirective energy radiating system
US2361589A (en) * 1940-08-14 1944-10-31 American Optical Corp Lens
US2331716A (en) * 1940-09-26 1943-10-12 Eastman Kodak Co Nonreflecting coating

Also Published As

Publication number Publication date
US2415352A (en) 1947-02-04
GB608949A (en) 1948-09-23

Similar Documents

Publication Publication Date Title
BE455763A (it)
BE270897A (it)
BE432945A (it)
BE447901A (it)
BE452613A (it)
BE453905A (it)
BE454099A (it)
BE454340A (it)
BE454461A (it)
BE454925A (it)
BE455122A (it)
BE455204A (it)
BE455463A (it)
BE455531A (it)
BE455554A (it)
BE456140A (it)
BE456520A (it)
BE456532A (it)
BE456879A (it)
BE457018A (it)
BE457290A (it)
BE457404A (it)
BE457405A (it)
BE457496A (it)
BE457689A (it)