GB1172686A - Antenna Adapted to Scanning over an Angular Space Portion. - Google Patents

Antenna Adapted to Scanning over an Angular Space Portion.

Info

Publication number
GB1172686A
GB1172686A GB53021/66A GB5302166A GB1172686A GB 1172686 A GB1172686 A GB 1172686A GB 53021/66 A GB53021/66 A GB 53021/66A GB 5302166 A GB5302166 A GB 5302166A GB 1172686 A GB1172686 A GB 1172686A
Authority
GB
United Kingdom
Prior art keywords
gain
space portion
nov
effected
scanning over
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
GB53021/66A
Other languages
English (en)
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.)
Thales SA
Original Assignee
Thomson CSF 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 Thomson CSF SA filed Critical Thomson CSF SA
Publication of GB1172686A publication Critical patent/GB1172686A/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
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
    • H01Q3/34—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means
    • 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
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/2658—Phased-array fed focussing structure
    • 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
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
GB53021/66A 1965-11-26 1966-11-25 Antenna Adapted to Scanning over an Angular Space Portion. Expired GB1172686A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR39946 1965-11-26

Publications (1)

Publication Number Publication Date
GB1172686A true GB1172686A (en) 1969-12-03

Family

ID=8593549

Family Applications (1)

Application Number Title Priority Date Filing Date
GB53021/66A Expired GB1172686A (en) 1965-11-26 1966-11-25 Antenna Adapted to Scanning over an Angular Space Portion.

Country Status (5)

Country Link
US (1) US3500427A (de)
DE (1) DE977749C (de)
FR (1) FR1569560A (de)
GB (1) GB1172686A (de)
NL (1) NL6616630A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3738705A1 (de) * 1987-11-14 1989-05-24 Licentia Gmbh Anordnung zur veraenderung der keulenbreite einer mikrowellenantenne

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4203105A (en) * 1978-05-17 1980-05-13 Bell Telephone Laboratories, Incorporated Scanable antenna arrangements capable of producing a large image of a small array with minimal aberrations
US4250508A (en) * 1979-04-26 1981-02-10 Bell Telephone Laboratories, Incorporated Scanning beam antenna arrangement
JPS5991708A (ja) * 1982-11-17 1984-05-26 Mitsubishi Electric Corp アンテナ装置
FR2548836B1 (fr) * 1983-07-08 1986-02-21 Thomson Csf Antenne a couverture quasi torique a deux reflecteurs
FR2588422A1 (fr) * 1985-10-08 1987-04-10 Thomson Csf Antenne a balayage electronique ayant un nombre reduit d'elements rayonnants et de dephaseurs, et un angle de balayage restreint
FR2638573B1 (fr) * 1988-11-03 1991-06-14 Alcatel Espace Antenne a balayage electronique
US9780435B2 (en) 2011-12-05 2017-10-03 Adasa Inc. Aerial inventory antenna
US10846497B2 (en) 2011-12-05 2020-11-24 Adasa Inc. Holonomic RFID reader
US9747480B2 (en) 2011-12-05 2017-08-29 Adasa Inc. RFID and robots for multichannel shopping
US11093722B2 (en) 2011-12-05 2021-08-17 Adasa Inc. Holonomic RFID reader
US10476130B2 (en) 2011-12-05 2019-11-12 Adasa Inc. Aerial inventory antenna
US10050330B2 (en) 2011-12-05 2018-08-14 Adasa Inc. Aerial inventory antenna

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3150371A (en) * 1960-01-15 1964-09-22 Beam Guidance Inc Electromagnetic wave transmission systems
US3170158A (en) * 1963-05-08 1965-02-16 Rotman Walter Multiple beam radar antenna system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3738705A1 (de) * 1987-11-14 1989-05-24 Licentia Gmbh Anordnung zur veraenderung der keulenbreite einer mikrowellenantenne

Also Published As

Publication number Publication date
US3500427A (en) 1970-03-10
DE977749C (de) 1969-08-07
FR1569560A (de) 1969-06-06
NL6616630A (de) 1969-02-25

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE Patent expired