DE3581020D1 - MICROSTRIP LADDER ANTENNA. - Google Patents

MICROSTRIP LADDER ANTENNA.

Info

Publication number
DE3581020D1
DE3581020D1 DE8585304623T DE3581020T DE3581020D1 DE 3581020 D1 DE3581020 D1 DE 3581020D1 DE 8585304623 T DE8585304623 T DE 8585304623T DE 3581020 T DE3581020 T DE 3581020T DE 3581020 D1 DE3581020 D1 DE 3581020D1
Authority
DE
Germany
Prior art keywords
microstrip
ladder antenna
ladder
antenna
microstrip ladder
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
DE8585304623T
Other languages
German (de)
Inventor
Peter Scott Hall
Christopher John Prior
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
Application granted granted Critical
Publication of DE3581020D1 publication Critical patent/DE3581020D1/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
    • 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
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/005—Patch antenna using one or more coplanar parasitic elements
    • 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
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/0464—Annular ring patch
DE8585304623T 1984-07-09 1985-06-28 MICROSTRIP LADDER ANTENNA. Expired - Lifetime DE3581020D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB848417502A GB8417502D0 (en) 1984-07-09 1984-07-09 Microstrip antennas

Publications (1)

Publication Number Publication Date
DE3581020D1 true DE3581020D1 (en) 1991-02-07

Family

ID=10563642

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585304623T Expired - Lifetime DE3581020D1 (en) 1984-07-09 1985-06-28 MICROSTRIP LADDER ANTENNA.

Country Status (3)

Country Link
EP (1) EP0174068B1 (en)
DE (1) DE3581020D1 (en)
GB (1) GB8417502D0 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1263745A (en) * 1985-12-03 1989-12-05 Nippon Telegraph & Telephone Corporation Shorted microstrip antenna
JPS6365703A (en) * 1986-09-05 1988-03-24 Matsushita Electric Works Ltd Planar antenna
US4821040A (en) * 1986-12-23 1989-04-11 Ball Corporation Circular microstrip vehicular rf antenna
US4835541A (en) * 1986-12-29 1989-05-30 Ball Corporation Near-isotropic low-profile microstrip radiator especially suited for use as a mobile vehicle antenna
US6181277B1 (en) * 1987-04-08 2001-01-30 Raytheon Company Microstrip antenna
DE4002899A1 (en) * 1990-02-01 1991-08-08 Bosch Gmbh Robert Roof incorporated vehicle aerial - has coaxial cable passing through base of cup-shaped element below ring shaped gap in roof
GB2274548B (en) * 1993-01-25 1996-07-24 Securicor Datatrak Ltd Dual purpose, low profile antenna
DE10259833A1 (en) * 2002-01-03 2003-07-24 Harris Corp Mutual coupling reduction method for phased array antenna system, involves providing circumferential conductor exclusively around each planar antenna element, and connecting conductor to ground reflector through ground posts
GB2399949B (en) * 2002-03-26 2004-11-24 Ngk Spark Plug Co Dielectric antenna
GB2387036B (en) * 2002-03-26 2005-03-02 Ngk Spark Plug Co Dielectric antenna
CN104269616B (en) * 2014-09-17 2017-10-17 电子科技大学 The rectangular microstrip antenna of higher mode is worked in Mobile solution

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4291311A (en) * 1977-09-28 1981-09-22 The United States Of America As Represented By The Secretary Of The Navy Dual ground plane microstrip antennas
US4142190A (en) * 1977-09-29 1979-02-27 The United States Of America As Represented By The Secretary Of The Army Microstrip feed with reduced aperture blockage
US4460894A (en) * 1982-08-11 1984-07-17 Sensor Systems, Inc. Laterally isolated microstrip antenna
EP0117017A1 (en) * 1983-01-20 1984-08-29 Hazeltine Corporation Low-profile omni-antenna

Also Published As

Publication number Publication date
GB8417502D0 (en) 1984-08-15
EP0174068A1 (en) 1986-03-12
EP0174068B1 (en) 1991-01-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee