GB2274206B - Wide-band circularly-polarised antenna - Google Patents

Wide-band circularly-polarised antenna

Info

Publication number
GB2274206B
GB2274206B GB9300422A GB9300422A GB2274206B GB 2274206 B GB2274206 B GB 2274206B GB 9300422 A GB9300422 A GB 9300422A GB 9300422 A GB9300422 A GB 9300422A GB 2274206 B GB2274206 B GB 2274206B
Authority
GB
United Kingdom
Prior art keywords
wide
polarised antenna
band circularly
circularly
polarised
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
GB9300422A
Other versions
GB9300422D0 (en
GB2274206A (en
Inventor
Brian Shepherd Lee
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.)
Ferranti International PLC
General Electric Co PLC
Original Assignee
Ferranti International PLC
General Electric Co PLC
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 Ferranti International PLC, General Electric Co PLC filed Critical Ferranti International PLC
Priority to GB9300422A priority Critical patent/GB2274206B/en
Publication of GB9300422D0 publication Critical patent/GB9300422D0/en
Publication of GB2274206A publication Critical patent/GB2274206A/en
Application granted granted Critical
Publication of GB2274206B publication Critical patent/GB2274206B/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
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/28—Adaptation for use in or on aircraft, missiles, satellites, or balloons
    • H01Q1/286—Adaptation for use in or on aircraft, missiles, satellites, or balloons substantially flush mounted with the skin of the craft
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
    • H01Q1/525—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas between emitting and receiving antennas
    • 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
    • H01Q13/06—Waveguide mouths
GB9300422A 1993-01-09 1993-01-09 Wide-band circularly-polarised antenna Expired - Fee Related GB2274206B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9300422A GB2274206B (en) 1993-01-09 1993-01-09 Wide-band circularly-polarised antenna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9300422A GB2274206B (en) 1993-01-09 1993-01-09 Wide-band circularly-polarised antenna

Publications (3)

Publication Number Publication Date
GB9300422D0 GB9300422D0 (en) 1993-04-14
GB2274206A GB2274206A (en) 1994-07-13
GB2274206B true GB2274206B (en) 1996-08-07

Family

ID=10728536

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9300422A Expired - Fee Related GB2274206B (en) 1993-01-09 1993-01-09 Wide-band circularly-polarised antenna

Country Status (1)

Country Link
GB (1) GB2274206B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1369084A (en) * 1970-07-15 1974-10-02 Texas Instruments Inc Aircraft landing monitor system and display
EP0189982A1 (en) * 1985-01-21 1986-08-06 National Research Development Corporation Circularly polarizing antenna feed
EP0489612A1 (en) * 1990-11-27 1992-06-10 Thomson-Trt Defense Waveguide antenna using flush-mounted slots

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1369084A (en) * 1970-07-15 1974-10-02 Texas Instruments Inc Aircraft landing monitor system and display
EP0189982A1 (en) * 1985-01-21 1986-08-06 National Research Development Corporation Circularly polarizing antenna feed
EP0489612A1 (en) * 1990-11-27 1992-06-10 Thomson-Trt Defense Waveguide antenna using flush-mounted slots

Also Published As

Publication number Publication date
GB9300422D0 (en) 1993-04-14
GB2274206A (en) 1994-07-13

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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)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19990109