NL7107799A - - Google Patents

Info

Publication number
NL7107799A
NL7107799A NL7107799A NL7107799A NL7107799A NL 7107799 A NL7107799 A NL 7107799A NL 7107799 A NL7107799 A NL 7107799A NL 7107799 A NL7107799 A NL 7107799A NL 7107799 A NL7107799 A NL 7107799A
Authority
NL
Netherlands
Application number
NL7107799A
Inventor
Jr R W Kreutel
G Hyde
Original Assignee
Communications Satellite Corp
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 Communications Satellite Corp filed Critical Communications Satellite Corp
Publication of NL7107799A publication Critical patent/NL7107799A/xx

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
    • 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
    • H01Q15/14—Reflecting surfaces; Equivalent structures
    • H01Q15/16—Reflecting surfaces; Equivalent structures curved in two dimensions, e.g. paraboloidal
    • 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
    • H01Q19/12—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 wherein the surfaces are concave
    • 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
    • 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
NL7107799A 1970-06-08 1971-06-07 NL7107799A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4445070A 1970-06-08 1970-06-08

Publications (1)

Publication Number Publication Date
NL7107799A true NL7107799A (xx) 1971-12-10

Family

ID=21932454

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7107799A NL7107799A (xx) 1970-06-08 1971-06-07

Country Status (7)

Country Link
JP (1) JPS576281B1 (xx)
CA (1) CA930042A (xx)
DE (1) DE2127518A1 (xx)
FR (1) FR2094116B1 (xx)
GB (1) GB1342677A (xx)
NL (1) NL7107799A (xx)
SE (1) SE377232B (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2952317C2 (de) * 1979-12-24 1984-03-08 Siemens AG, 1000 Berlin und 8000 München Auf einen geostationären Erdsatelliten positionsnachführbare Antenne für Erdefunkstellen
JPS6084075U (ja) * 1983-11-11 1985-06-10 パイオニア株式会社 印刷配線接続帯
US9766345B2 (en) * 2013-10-04 2017-09-19 Qualcomm Incorporated Low cost cableless ground station antenna for medium earth orbit satellite communication systems
US9991948B2 (en) 2015-04-03 2018-06-05 Qualcomm Incorporated Low cost cableless ground station antenna for medium earth orbit satellite communication systems
CN111273282B (zh) * 2020-02-20 2023-04-14 西安爱生技术集团公司 一种无人机机载雷达地面扫描覆盖区域计算方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3317912A (en) * 1963-07-29 1967-05-02 Kenneth S Kelleher Plural concentric parabolic antenna for omnidirectional coverage

Also Published As

Publication number Publication date
FR2094116B1 (xx) 1976-09-03
GB1342677A (en) 1974-01-03
CA930042A (en) 1973-07-10
JPS576281B1 (xx) 1982-02-04
DE2127518A1 (de) 1971-12-16
SE377232B (xx) 1975-06-23
FR2094116A1 (xx) 1972-02-04

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Legal Events

Date Code Title Description
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed