GB2248522B - Antenna device - Google Patents

Antenna device

Info

Publication number
GB2248522B
GB2248522B GB9117629A GB9117629A GB2248522B GB 2248522 B GB2248522 B GB 2248522B GB 9117629 A GB9117629 A GB 9117629A GB 9117629 A GB9117629 A GB 9117629A GB 2248522 B GB2248522 B GB 2248522B
Authority
GB
United Kingdom
Prior art keywords
antenna device
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
GB9117629A
Other versions
GB2248522A (en
GB9117629D0 (en
Inventor
Adrian Forrest Fray
Colin Raymond Brewitt-Taylor
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
Publication of GB9117629D0 publication Critical patent/GB9117629D0/en
Publication of GB2248522A publication Critical patent/GB2248522A/en
Application granted granted Critical
Publication of GB2248522B publication Critical patent/GB2248522B/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
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
    • H01Q1/422—Housings not intimately mechanically associated with radiating elements, e.g. radome comprising two or more layers of dielectric material
    • 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
    • H01Q13/106—Microstrip slot antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/0006—Particular feeding systems
    • H01Q21/0025—Modular arrays
GB9117629A 1990-10-01 1991-08-15 Antenna device Expired - Fee Related GB2248522B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909021292A GB9021292D0 (en) 1990-10-01 1990-10-01 Ladder scaffolding

Publications (3)

Publication Number Publication Date
GB9117629D0 GB9117629D0 (en) 1991-10-02
GB2248522A GB2248522A (en) 1992-04-08
GB2248522B true GB2248522B (en) 1994-08-17

Family

ID=10683023

Family Applications (2)

Application Number Title Priority Date Filing Date
GB909021292A Pending GB9021292D0 (en) 1990-10-01 1990-10-01 Ladder scaffolding
GB9117629A Expired - Fee Related GB2248522B (en) 1990-10-01 1991-08-15 Antenna device

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB909021292A Pending GB9021292D0 (en) 1990-10-01 1990-10-01 Ladder scaffolding

Country Status (1)

Country Link
GB (2) GB9021292D0 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5589840A (en) * 1991-11-05 1996-12-31 Seiko Epson Corporation Wrist-type wireless instrument and antenna apparatus
US5453754A (en) * 1992-07-02 1995-09-26 The Secretary Of State For Defence In Her Brittanic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Dielectric resonator antenna with wide bandwidth
GB2268626A (en) * 1992-07-02 1994-01-12 Secr Defence Dielectric resonator antenna.
GB2304466B (en) * 1993-03-17 1997-10-22 Seiko Epson Corp Slot antenna device
GB2276274B (en) * 1993-03-17 1997-10-22 Seiko Epson Corp Slot antenna device
US5757326A (en) * 1993-03-29 1998-05-26 Seiko Epson Corporation Slot antenna device and wireless apparatus employing the antenna device
JP3417083B2 (en) * 1994-10-04 2003-06-16 セイコーエプソン株式会社 Portable radio
JPH11251829A (en) * 1998-02-27 1999-09-17 Kyocera Corp Slot antenna and wiring board provided with the same
ITRM20100512A1 (en) * 2010-10-01 2012-04-02 Clu Tech Srl HYBRID OPENING ANTENNA WITH REFLECTOR

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4170013A (en) * 1978-07-28 1979-10-02 The United States Of America As Represented By The Secretary Of The Navy Stripline patch antenna
GB2029114A (en) * 1978-08-25 1980-03-12 Plessey Inc Dielectric lens
GB2166907A (en) * 1984-09-22 1986-05-14 Smiths Industries Plc Microstrip devices
EP0250832A2 (en) * 1986-06-23 1988-01-07 Ball Corporation Cavity-backed slot antenna

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4170013A (en) * 1978-07-28 1979-10-02 The United States Of America As Represented By The Secretary Of The Navy Stripline patch antenna
GB2029114A (en) * 1978-08-25 1980-03-12 Plessey Inc Dielectric lens
GB2166907A (en) * 1984-09-22 1986-05-14 Smiths Industries Plc Microstrip devices
EP0250832A2 (en) * 1986-06-23 1988-01-07 Ball Corporation Cavity-backed slot antenna

Also Published As

Publication number Publication date
GB9021292D0 (en) 1990-11-14
GB2248522A (en) 1992-04-08
GB9117629D0 (en) 1991-10-02

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20030815