GB2284712B - Antenna - Google Patents

Antenna

Info

Publication number
GB2284712B
GB2284712B GB8709762A GB8709762A GB2284712B GB 2284712 B GB2284712 B GB 2284712B GB 8709762 A GB8709762 A GB 8709762A GB 8709762 A GB8709762 A GB 8709762A GB 2284712 B GB2284712 B GB 2284712B
Authority
GB
United Kingdom
Prior art keywords
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
GB8709762A
Other versions
GB8709762D0 (en
GB2284712A (en
Inventor
Allan Richard Burberry
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.)
BAE Systems PLC
Original Assignee
British Aerospace 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 British Aerospace PLC filed Critical British Aerospace PLC
Priority to GB8709762A priority Critical patent/GB2284712B/en
Priority to IT8847862A priority patent/IT8847862A0/en
Priority to FR8805326A priority patent/FR2717310A1/en
Priority to SE8801533A priority patent/SE8801533D0/en
Publication of GB8709762D0 publication Critical patent/GB8709762D0/en
Publication of GB2284712A publication Critical patent/GB2284712A/en
Application granted granted Critical
Publication of GB2284712B publication Critical patent/GB2284712B/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
    • 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
    • H01Q3/24—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 by switching energy from one active radiating element to another, e.g. for beam switching
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/42—Resonant antennas with feed to end of elongated active element, e.g. unipole with folded element, the folded parts being spaced apart a small fraction of the operating wavelength
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/24—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
GB8709762A 1987-04-24 1987-04-24 Antenna Expired - Fee Related GB2284712B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB8709762A GB2284712B (en) 1987-04-24 1987-04-24 Antenna
IT8847862A IT8847862A0 (en) 1987-04-24 1988-04-18 ANTENNA
FR8805326A FR2717310A1 (en) 1987-04-24 1988-04-22 Antenna.
SE8801533A SE8801533D0 (en) 1987-04-24 1988-04-22 ANTENNA

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8709762A GB2284712B (en) 1987-04-24 1987-04-24 Antenna

Publications (3)

Publication Number Publication Date
GB8709762D0 GB8709762D0 (en) 1995-03-15
GB2284712A GB2284712A (en) 1995-06-14
GB2284712B true GB2284712B (en) 1995-10-11

Family

ID=10616309

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8709762A Expired - Fee Related GB2284712B (en) 1987-04-24 1987-04-24 Antenna

Country Status (4)

Country Link
FR (1) FR2717310A1 (en)
GB (1) GB2284712B (en)
IT (1) IT8847862A0 (en)
SE (1) SE8801533D0 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9627091D0 (en) * 1996-12-31 1997-02-19 Northern Telecom Ltd An inverted E antenna
GB2371924A (en) * 2001-02-01 2002-08-07 Nokia Mobile Phones Ltd Capacitive antenna tuning
US7928914B2 (en) * 2004-06-21 2011-04-19 Motorola Mobility, Inc. Multi-frequency conductive-strip antenna system
WO2014206085A1 (en) * 2013-06-28 2014-12-31 Li Ping Resonant broadband short-wave antenna

Also Published As

Publication number Publication date
FR2717310A1 (en) 1995-09-15
IT8847862A0 (en) 1988-04-18
SE8801533D0 (en) 1988-04-22
GB8709762D0 (en) 1995-03-15
GB2284712A (en) 1995-06-14

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Legal Events

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

Effective date: 19960111