GB2023940B - Directional arrays - Google Patents

Directional arrays

Info

Publication number
GB2023940B
GB2023940B GB7919388A GB7919388A GB2023940B GB 2023940 B GB2023940 B GB 2023940B GB 7919388 A GB7919388 A GB 7919388A GB 7919388 A GB7919388 A GB 7919388A GB 2023940 B GB2023940 B GB 2023940B
Authority
GB
United Kingdom
Prior art keywords
directional arrays
arrays
directional
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
GB7919388A
Other versions
GB2023940A (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.)
Plessey Co Ltd
Original Assignee
Plessey Co Ltd
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
Priority claimed from GB7827648A external-priority patent/GB2002747A/en
Application filed by Plessey Co Ltd filed Critical Plessey Co Ltd
Publication of GB2023940A publication Critical patent/GB2023940A/en
Application granted granted Critical
Publication of GB2023940B publication Critical patent/GB2023940B/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
    • H01Q3/40—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 with phasing matrix
GB7919388A 1978-06-15 1979-06-04 Directional arrays Expired GB2023940B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB7826990 1978-06-15
GB7827648A GB2002747A (en) 1977-05-21 1978-06-22 4-amino-1,2,4-triazolium compounds of use as pesticides and plant- growth regulants
GB7829946 1978-07-14

Publications (2)

Publication Number Publication Date
GB2023940A GB2023940A (en) 1980-01-03
GB2023940B true GB2023940B (en) 1983-02-02

Family

ID=27260559

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7919388A Expired GB2023940B (en) 1978-06-15 1979-06-04 Directional arrays

Country Status (1)

Country Link
GB (1) GB2023940B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4306239A (en) * 1979-07-06 1981-12-15 Plessey Handel Und Investments Ag Microwave landing systems
US4321605A (en) * 1980-01-29 1982-03-23 Hazeltine Corporation Array antenna system
GB2141588B (en) * 1983-06-18 1986-08-13 Standard Telephones Cables Ltd Adaptive antenna array
DE3571897D1 (en) * 1984-03-24 1989-08-31 Gen Electric Co Plc A beam forming network
DE3627596A1 (en) * 1986-08-14 1988-02-18 Licentia Gmbh Circular array antenna arrangement
GB2414800B (en) * 2000-01-27 2006-05-31 Thomson Marconi Sonar Ltd Sonar receiver with low side lobes
JP4844663B2 (en) 2009-09-14 2011-12-28 株式会社デンソー Radar equipment

Also Published As

Publication number Publication date
GB2023940A (en) 1980-01-03

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee