GB8607128D0 - Dual-polarised conical spiral antenna - Google Patents

Dual-polarised conical spiral antenna

Info

Publication number
GB8607128D0
GB8607128D0 GB868607128A GB8607128A GB8607128D0 GB 8607128 D0 GB8607128 D0 GB 8607128D0 GB 868607128 A GB868607128 A GB 868607128A GB 8607128 A GB8607128 A GB 8607128A GB 8607128 D0 GB8607128 D0 GB 8607128D0
Authority
GB
United Kingdom
Prior art keywords
polarised
dual
spiral antenna
conical spiral
conical
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.)
Withdrawn
Application number
GB868607128A
Other versions
GB2174249A (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.)
ERA Patents Ltd
Original Assignee
ERA Patents 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 ERA Patents Ltd filed Critical ERA Patents Ltd
Publication of GB8607128D0 publication Critical patent/GB8607128D0/en
Publication of GB2174249A publication Critical patent/GB2174249A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/001—Crossed polarisation dual antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q11/00—Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
    • H01Q11/02—Non-resonant antennas, e.g. travelling-wave antenna
    • H01Q11/08—Helical antennas
    • H01Q11/083—Tapered helical aerials, e.g. conical spiral aerials
GB08607128A 1985-04-26 1986-03-21 Dual-polarised conical spiral antenna Withdrawn GB2174249A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB858510709A GB8510709D0 (en) 1985-04-26 1985-04-26 Dual-polarised conical spiral antenna

Publications (2)

Publication Number Publication Date
GB8607128D0 true GB8607128D0 (en) 1986-04-30
GB2174249A GB2174249A (en) 1986-10-29

Family

ID=10578272

Family Applications (2)

Application Number Title Priority Date Filing Date
GB858510709A Pending GB8510709D0 (en) 1985-04-26 1985-04-26 Dual-polarised conical spiral antenna
GB08607128A Withdrawn GB2174249A (en) 1985-04-26 1986-03-21 Dual-polarised conical spiral antenna

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB858510709A Pending GB8510709D0 (en) 1985-04-26 1985-04-26 Dual-polarised conical spiral antenna

Country Status (1)

Country Link
GB (2) GB8510709D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2202380A (en) * 1987-03-20 1988-09-21 Philips Electronic Associated Helical antenna
US5146234A (en) * 1989-09-08 1992-09-08 Ball Corporation Dual polarized spiral antenna
GB2242569B (en) * 1990-03-26 1994-01-19 Luke Frank Wright A conical multi-plate capacitor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1154842B (en) * 1959-06-02 1963-09-26 Philips Nv Facility with a coaxial line

Also Published As

Publication number Publication date
GB2174249A (en) 1986-10-29
GB8510709D0 (en) 1985-06-05

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)