BE479157A - - Google Patents

Info

Publication number
BE479157A
BE479157A BE479157DA BE479157A BE 479157 A BE479157 A BE 479157A BE 479157D A BE479157D A BE 479157DA BE 479157 A BE479157 A BE 479157A
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 BE479157A publication Critical patent/BE479157A/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/12Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems
    • H01Q3/16Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device
    • H01Q3/18Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device wherein the primary active element is movable and the reflecting device is fixed
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/12Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems
    • H01Q3/16Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device
BE479157D 1943-04-19 BE479157A (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US483555A US2446436A (en) 1943-04-19 1943-04-19 Beam antenna system

Publications (1)

Publication Number Publication Date
BE479157A true BE479157A (sv)

Family

ID=23920540

Family Applications (1)

Application Number Title Priority Date Filing Date
BE479157D BE479157A (sv) 1943-04-19

Country Status (4)

Country Link
US (1) US2446436A (sv)
BE (1) BE479157A (sv)
FR (1) FR953890A (sv)
GB (1) GB639469A (sv)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2520945A (en) * 1943-08-18 1950-09-05 Sperry Corp Wave transmission apparatus
US2491493A (en) * 1944-02-07 1949-12-20 Stromberg Carlson Co Dipole antenna
US2627028A (en) * 1945-07-03 1953-01-27 Welville B Nowak Antenna system
US2635191A (en) * 1945-07-09 1953-04-14 Jr Lewis E Swarts Antenna
US2605416A (en) * 1945-09-19 1952-07-29 Foster John Stuart Directive system for wave guide feed to parabolic reflector
US2647212A (en) * 1946-01-17 1953-07-28 Bell Telephone Labor Inc Antenna system
US2543130A (en) * 1946-07-03 1951-02-27 Bell Telephone Labor Inc Reflecting system
US2503278A (en) * 1947-03-21 1950-04-11 Raytheon Mfg Co Energy radiation apparatus
US2642754A (en) * 1948-12-11 1953-06-23 Conti Maurice P De Rotatable antenna for televisions
US2570197A (en) * 1949-06-16 1951-10-09 John I Bohnert Dual purpose antenna
US2803009A (en) * 1950-11-13 1957-08-13 Western Electric Co Protective shield for providing an impedance match between a radar feed and its parabolic reflector
JPS5119948B1 (sv) * 1970-11-21 1976-06-21

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1828705A (en) * 1928-05-21 1931-10-20 Fed Telegraph Co Radio system
US2083242A (en) * 1934-01-27 1937-06-08 Telefunken Gmbh Method of direction finding
BE472233A (sv) * 1939-07-26
US2401344A (en) * 1940-06-14 1946-06-04 Gen Electric Co Ltd High-frequency electric transmission system
US2298449A (en) * 1941-11-08 1942-10-13 Bell Telephone Labor Inc Antenna

Also Published As

Publication number Publication date
FR953890A (fr) 1949-12-14
GB639469A (en) 1950-06-28
US2446436A (en) 1948-08-03

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