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 (de)

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 (de)

Family

ID=24121537

Family Applications (1)

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

Country Status (3)

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

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 (de) * 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 (de) * 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 (de) * 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 (de) * 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

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