GB2221096B - A switchable antenna - Google Patents

A switchable antenna

Info

Publication number
GB2221096B
GB2221096B GB8817181A GB8817181A GB2221096B GB 2221096 B GB2221096 B GB 2221096B GB 8817181 A GB8817181 A GB 8817181A GB 8817181 A GB8817181 A GB 8817181A GB 2221096 B GB2221096 B GB 2221096B
Authority
GB
United Kingdom
Prior art keywords
switchable antenna
switchable
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 - Lifetime
Application number
GB8817181A
Other versions
GB8817181D0 (en
GB2221096A (en
Inventor
Clement Peter Burrage
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 Electronics Ltd
Original Assignee
Marconi Co 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 Marconi Co Ltd filed Critical Marconi Co Ltd
Priority to GB8817181A priority Critical patent/GB2221096B/en
Publication of GB8817181D0 publication Critical patent/GB8817181D0/en
Publication of GB2221096A publication Critical patent/GB2221096A/en
Application granted granted Critical
Publication of GB2221096B publication Critical patent/GB2221096B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
GB8817181A 1988-07-19 1988-07-19 A switchable antenna Expired - Lifetime GB2221096B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8817181A GB2221096B (en) 1988-07-19 1988-07-19 A switchable antenna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8817181A GB2221096B (en) 1988-07-19 1988-07-19 A switchable antenna

Publications (3)

Publication Number Publication Date
GB8817181D0 GB8817181D0 (en) 1988-08-24
GB2221096A GB2221096A (en) 1990-01-24
GB2221096B true GB2221096B (en) 1992-02-05

Family

ID=10640730

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8817181A Expired - Lifetime GB2221096B (en) 1988-07-19 1988-07-19 A switchable antenna

Country Status (1)

Country Link
GB (1) GB2221096B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0584882A1 (en) * 1992-08-28 1994-03-02 Philips Electronics Uk Limited Loop antenna
DE4232827B4 (en) * 1992-09-30 2004-08-05 Siemens Ag Circularly polarized local antenna arrangement for a magnetic resonance imaging device
US20060290570A1 (en) * 2003-09-02 2006-12-28 Koninklijke Philips Electronics, N.V. Antenna module for the high frequency and microwave range

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1513856A (en) * 1976-04-05 1978-06-14 Usa Navy Sec Of Multiple polarization switch

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1513856A (en) * 1976-04-05 1978-06-14 Usa Navy Sec Of Multiple polarization switch

Also Published As

Publication number Publication date
GB8817181D0 (en) 1988-08-24
GB2221096A (en) 1990-01-24

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Legal Events

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

Effective date: 19930719