DK117577B - Antenneenhed. - Google Patents

Antenneenhed.

Info

Publication number
DK117577B
DK117577B DK74967AA DK74967A DK117577B DK 117577 B DK117577 B DK 117577B DK 74967A A DK74967A A DK 74967AA DK 74967 A DK74967 A DK 74967A DK 117577 B DK117577 B DK 117577B
Authority
DK
Denmark
Prior art keywords
antenna unit
antenna
unit
Prior art date
Application number
DK74967AA
Other languages
English (en)
Inventor
L Schwartz
Original Assignee
Singer General Precision
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 Singer General Precision filed Critical Singer General Precision
Publication of DK117577B publication Critical patent/DK117577B/da

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
    • H01Q19/18—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces
    • H01Q19/19—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/20—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/24—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave constituted by a dielectric or ferromagnetic rod or pipe
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
    • H01Q19/18—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces
    • 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
    • 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
DK74967AA 1966-02-15 1967-02-10 Antenneenhed. DK117577B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US527549A US3392397A (en) 1966-02-15 1966-02-15 Cassegrain antenna for scanning with elliptically shaped beam

Publications (1)

Publication Number Publication Date
DK117577B true DK117577B (da) 1970-05-11

Family

ID=24101913

Family Applications (1)

Application Number Title Priority Date Filing Date
DK74967AA DK117577B (da) 1966-02-15 1967-02-10 Antenneenhed.

Country Status (7)

Country Link
US (1) US3392397A (da)
DE (1) DE1591132A1 (da)
DK (1) DK117577B (da)
FR (1) FR1510730A (da)
GB (1) GB1136174A (da)
NO (1) NO122793B (da)
SE (1) SE335756B (da)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5028148B1 (da) * 1969-11-28 1975-09-12
US4041500A (en) * 1976-05-12 1977-08-09 The United States Of America As Represented By The Secretary Of The Navy Line scan radar antenna using a single motor
GB8430306D0 (en) * 1984-11-30 1985-01-09 British Telecomm Transportable antenna
US5351060A (en) * 1991-02-25 1994-09-27 Bayne Gerald A Antenna
CA2101141C (en) * 1992-09-17 1997-10-28 Parthasarathy Ramanujam Equalized offset fed shaped reflector antenna system and technique for equalizing same
CA2198969A1 (en) * 1996-03-04 1997-09-04 Andrew Corporation Broadband omnidirectional microwave antenna with decreased sky radiation and with a simple means of elevation-plane pattern control
GB2326530B (en) * 1997-04-22 2001-12-19 Andrew Corp A broadband omnidirectional microwave parabolic dish shaped cone antenna

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2531454A (en) * 1942-02-04 1950-11-28 Sperry Corp Directive antenna structure

Also Published As

Publication number Publication date
GB1136174A (en) 1968-12-11
US3392397A (en) 1968-07-09
NO122793B (da) 1971-08-16
FR1510730A (fr) 1968-01-19
DE1591132A1 (de) 1970-01-08
SE335756B (da) 1971-06-07

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