GB2050701B - Radio antennae structures - Google Patents

Radio antennae structures

Info

Publication number
GB2050701B
GB2050701B GB8014975A GB8014975A GB2050701B GB 2050701 B GB2050701 B GB 2050701B GB 8014975 A GB8014975 A GB 8014975A GB 8014975 A GB8014975 A GB 8014975A GB 2050701 B GB2050701 B GB 2050701B
Authority
GB
United Kingdom
Prior art keywords
radio antennae
antennae structures
structures
radio
antennae
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
GB8014975A
Other versions
GB2050701A (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.)
UK Secretary of State for Defence
Original Assignee
UK Secretary of State for Defence
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 UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Priority to GB8014975A priority Critical patent/GB2050701B/en
Publication of GB2050701A publication Critical patent/GB2050701A/en
Application granted granted Critical
Publication of GB2050701B publication Critical patent/GB2050701B/en
Expired 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
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/362—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith for broadside radiating helical antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
    • H01Q5/357—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point
    • H01Q5/364—Creating multiple current paths
    • H01Q5/371—Branching current paths
GB8014975A 1979-05-08 1980-05-02 Radio antennae structures Expired GB2050701B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8014975A GB2050701B (en) 1979-05-08 1980-05-02 Radio antennae structures

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7915835 1979-05-08
GB8014975A GB2050701B (en) 1979-05-08 1980-05-02 Radio antennae structures

Publications (2)

Publication Number Publication Date
GB2050701A GB2050701A (en) 1981-01-07
GB2050701B true GB2050701B (en) 1983-08-03

Family

ID=26271428

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8014975A Expired GB2050701B (en) 1979-05-08 1980-05-02 Radio antennae structures

Country Status (1)

Country Link
GB (1) GB2050701B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5258771A (en) * 1990-05-14 1993-11-02 General Electric Co. Interleaved helix arrays
GB2246910B (en) * 1990-08-02 1994-12-14 Polytechnic Electronics Plc A radio frequency antenna
GB2271670B (en) * 1992-10-14 1996-10-16 Nokia Mobile Phones Uk Wideband antenna arrangement
US5874927A (en) * 1996-10-21 1999-02-23 Knowles; Patrick J. Tilted element antenna having increased effective aperture and method therefor
FI113214B (en) * 1997-01-24 2004-03-15 Filtronic Lk Oy Simple dual frequency antenna
US5926143A (en) * 1997-04-23 1999-07-20 Qualcomm Incorporated Multi-frequency band rod antenna
DE19835878A1 (en) 1998-08-07 2000-02-17 Siemens Ag Wide bandwidth antenna

Also Published As

Publication number Publication date
GB2050701A (en) 1981-01-07

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee