FR953890A - Perfectionnements aux antennes de t. s. f. - Google Patents

Perfectionnements aux antennes de t. s. f.

Info

Publication number
FR953890A
FR953890A FR953890DA FR953890A FR 953890 A FR953890 A FR 953890A FR 953890D A FR953890D A FR 953890DA FR 953890 A FR953890 A FR 953890A
Authority
FR
France
Prior art keywords
antennas
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
English (en)
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR953890A publication Critical patent/FR953890A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/12—Arrangements 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
    • H01Q3/16—Arrangements 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
    • H01Q3/18—Arrangements 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/12—Arrangements 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
    • H01Q3/16—Arrangements 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
FR953890D 1943-04-19 1947-10-07 Perfectionnements aux antennes de t. s. f. Expired FR953890A (fr)

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
FR953890A true FR953890A (fr) 1949-12-14

Family

ID=23920540

Family Applications (1)

Application Number Title Priority Date Filing Date
FR953890D Expired FR953890A (fr) 1943-04-19 1947-10-07 Perfectionnements aux antennes de t. s. f.

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
GB639469A (en) 1950-06-28
US2446436A (en) 1948-08-03
BE479157A (sv)

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