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GB2254736B - Frequency-scan microwave antenna - Google Patents

Frequency-scan microwave antenna

Info

Publication number
GB2254736B
GB2254736B GB9103030A GB9103030A GB2254736B GB 2254736 B GB2254736 B GB 2254736B GB 9103030 A GB9103030 A GB 9103030A GB 9103030 A GB9103030 A GB 9103030A GB 2254736 B GB2254736 B GB 2254736B
Authority
GB
United Kingdom
Prior art keywords
frequency
microwave antenna
scan
scan microwave
antenna
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 - Fee Related
Application number
GB9103030A
Other versions
GB9103030D0 (en
GB2254736A (en
Inventor
David Hillary Evans
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.)
Philips Electronics UK Ltd
EMI Group Electronics Ltd
Original Assignee
Thorn EMI Electronics Ltd
Philips Electronic and Associated Industries Ltd
Philips Electronics UK 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
Application filed by Thorn EMI Electronics Ltd, Philips Electronic and Associated Industries Ltd, Philips Electronics UK Ltd filed Critical Thorn EMI Electronics Ltd
Priority to GB9103030A priority Critical patent/GB2254736B/en
Publication of GB9103030D0 publication Critical patent/GB9103030D0/en
Publication of GB2254736A publication Critical patent/GB2254736A/en
Application granted granted Critical
Publication of GB2254736B publication Critical patent/GB2254736B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/061—Two dimensional planar arrays
    • H01Q21/065—Patch antenna array
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/061—Two dimensional planar arrays
    • H01Q21/068—Two dimensional planar arrays using parallel coplanar travelling wave or leaky wave aerial units
    • 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
    • H01Q3/22—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 orientation in accordance with variation of frequency of radiated wave
GB9103030A 1991-02-13 1991-02-13 Frequency-scan microwave antenna Expired - Fee Related GB2254736B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9103030A GB2254736B (en) 1991-02-13 1991-02-13 Frequency-scan microwave antenna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9103030A GB2254736B (en) 1991-02-13 1991-02-13 Frequency-scan microwave antenna

Publications (3)

Publication Number Publication Date
GB9103030D0 GB9103030D0 (en) 1991-05-22
GB2254736A GB2254736A (en) 1992-10-14
GB2254736B true GB2254736B (en) 1995-02-01

Family

ID=10689958

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9103030A Expired - Fee Related GB2254736B (en) 1991-02-13 1991-02-13 Frequency-scan microwave antenna

Country Status (1)

Country Link
GB (1) GB2254736B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11506773B1 (en) * 2022-05-23 2022-11-22 Numerica Corporation Compact, high-efficiency radar assembly

Also Published As

Publication number Publication date
GB9103030D0 (en) 1991-05-22
GB2254736A (en) 1992-10-14

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20060213