FR1242071A - Antenna systems - Google Patents

Antenna systems

Info

Publication number
FR1242071A
FR1242071A FR811931A FR811931A FR1242071A FR 1242071 A FR1242071 A FR 1242071A FR 811931 A FR811931 A FR 811931A FR 811931 A FR811931 A FR 811931A FR 1242071 A FR1242071 A FR 1242071A
Authority
FR
France
Prior art keywords
antenna systems
antenna
systems
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
FR811931A
Other languages
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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
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 General Electric Co PLC filed Critical General Electric Co PLC
Application granted granted Critical
Publication of FR1242071A publication Critical patent/FR1242071A/en
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
    • H01Q3/20—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 fixed and the reflecting device is movable
    • 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
FR811931A 1958-12-03 1959-12-02 Antenna systems Expired FR1242071A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3044067X 1958-12-03

Publications (1)

Publication Number Publication Date
FR1242071A true FR1242071A (en) 1960-09-23

Family

ID=10920408

Family Applications (1)

Application Number Title Priority Date Filing Date
FR811931A Expired FR1242071A (en) 1958-12-03 1959-12-02 Antenna systems

Country Status (2)

Country Link
US (1) US3044067A (en)
FR (1) FR1242071A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3501766A (en) * 1965-08-16 1970-03-17 Marconi Co Ltd Variable directivity aerial of the slotted waveguide type
US3832715A (en) * 1971-09-23 1974-08-27 Page Communications Eng Inc Wide angle scanning and multibeam single reflector
US4861124A (en) * 1987-05-13 1989-08-29 Sanders Associates, Inc. Dual-section spatial modulation transmitter

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2721263A (en) * 1945-11-13 1955-10-18 Roy C Spencer Curved throat scan horn for the transmission of electromagnetic energy
US2570197A (en) * 1949-06-16 1951-10-09 John I Bohnert Dual purpose antenna
US2680810A (en) * 1952-02-12 1954-06-08 Us Army Microwave antenna system
US2750588A (en) * 1953-03-26 1956-06-12 Frank L Hennessey Wave guide terminating device
GB745038A (en) * 1953-12-31 1956-02-15 British Thomson Houston Co Ltd Improvements relating to scanning aerials

Also Published As

Publication number Publication date
US3044067A (en) 1962-07-10

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