GB2005922B - Radio antennae - Google Patents

Radio antennae

Info

Publication number
GB2005922B
GB2005922B GB7836594A GB7836594A GB2005922B GB 2005922 B GB2005922 B GB 2005922B GB 7836594 A GB7836594 A GB 7836594A GB 7836594 A GB7836594 A GB 7836594A GB 2005922 B GB2005922 B GB 2005922B
Authority
GB
United Kingdom
Prior art keywords
radio antennae
antennae
radio
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
GB7836594A
Other versions
GB2005922A (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 GB7836594A priority Critical patent/GB2005922B/en
Publication of GB2005922A publication Critical patent/GB2005922A/en
Application granted granted Critical
Publication of GB2005922B publication Critical patent/GB2005922B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01Q13/10—Resonant slot antennas
    • H01Q13/18—Resonant slot antennas the slot being backed by, or formed in boundary wall of, a resonant cavity ; Open cavity antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/04—Multimode antennas
GB7836594A 1977-10-01 1978-09-13 Radio antennae Expired GB2005922B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7836594A GB2005922B (en) 1977-10-01 1978-09-13 Radio antennae

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4085577 1977-10-01
GB7836594A GB2005922B (en) 1977-10-01 1978-09-13 Radio antennae

Publications (2)

Publication Number Publication Date
GB2005922A GB2005922A (en) 1979-04-25
GB2005922B true GB2005922B (en) 1982-05-19

Family

ID=26264521

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7836594A Expired GB2005922B (en) 1977-10-01 1978-09-13 Radio antennae

Country Status (1)

Country Link
GB (1) GB2005922B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3149867A1 (en) * 1980-12-19 1982-08-19 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland, London Radio antenna
GB2108327B (en) * 1981-09-07 1985-04-24 Nippon Telegraph & Telephone Directivity diversity communication system
US5003318A (en) * 1986-11-24 1991-03-26 Mcdonnell Douglas Corporation Dual frequency microstrip patch antenna with capacitively coupled feed pins
US4827271A (en) * 1986-11-24 1989-05-02 Mcdonnell Douglas Corporation Dual frequency microstrip patch antenna with improved feed and increased bandwidth
US6181277B1 (en) * 1987-04-08 2001-01-30 Raytheon Company Microstrip antenna
US5099249A (en) * 1987-10-13 1992-03-24 Seavey Engineering Associates, Inc. Microstrip antenna for vehicular satellite communications
US4947178A (en) * 1988-05-02 1990-08-07 Lotfollah Shafai Scanning antenna
GB2274548B (en) * 1993-01-25 1996-07-24 Securicor Datatrak Ltd Dual purpose, low profile antenna
JPH07170118A (en) * 1993-07-01 1995-07-04 Commonw Sci & Ind Res Org <Csiro> Plane antenna
AU671214B2 (en) * 1993-07-01 1996-08-15 Commonwealth Scientific And Industrial Research Organisation A steerable antenna
GB9410557D0 (en) * 1994-05-26 1994-07-13 Schlumberger Ind Ltd Radio antennae
US5793258A (en) * 1994-11-23 1998-08-11 California Amplifier Low cross polarization and broad bandwidth
EP1269572A1 (en) * 2000-04-04 2003-01-02 Huber+Suhner Ag Broad band communications antenna
EP2654125B1 (en) * 2012-04-19 2018-03-14 HENSOLDT Sensors GmbH Ring slot antenna
CN109066055B (en) 2018-09-28 2020-10-20 维沃移动通信有限公司 Terminal equipment

Also Published As

Publication number Publication date
GB2005922A (en) 1979-04-25

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Legal Events

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