CA2124459C - Compact broadband microstrip antenna - Google Patents

Compact broadband microstrip antenna

Info

Publication number
CA2124459C
CA2124459C CA 2124459 CA2124459A CA2124459C CA 2124459 C CA2124459 C CA 2124459C CA 2124459 CA2124459 CA 2124459 CA 2124459 A CA2124459 A CA 2124459A CA 2124459 C CA2124459 C CA 2124459C
Authority
CA
Canada
Prior art keywords
antenna
spiral
radiation
microstrip
mode
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
CA 2124459
Other languages
English (en)
French (fr)
Other versions
CA2124459A1 (en
Inventor
Johnson J. H. Wang
Victor K. Tripp
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.)
Georgia Tech Research Corp
Original Assignee
Georgia Tech Research Corp
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 Georgia Tech Research Corp filed Critical Georgia Tech Research Corp
Publication of CA2124459A1 publication Critical patent/CA2124459A1/en
Application granted granted Critical
Publication of CA2124459C publication Critical patent/CA2124459C/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
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/20—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
    • H01Q21/205—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path providing an omnidirectional coverage
    • 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
    • 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
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
    • H01Q9/26—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole with folded element or elements, the folded parts being spaced apart a small fraction of operating wavelength
    • H01Q9/27—Spiral antennas

Landscapes

  • Waveguide Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
CA 2124459 1991-11-26 1992-11-04 Compact broadband microstrip antenna Expired - Fee Related CA2124459C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US79870091A 1991-11-26 1991-11-26
US07/798,700 1991-11-26

Publications (2)

Publication Number Publication Date
CA2124459A1 CA2124459A1 (en) 1993-06-10
CA2124459C true CA2124459C (en) 1998-09-22

Family

ID=25174059

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2124459 Expired - Fee Related CA2124459C (en) 1991-11-26 1992-11-04 Compact broadband microstrip antenna

Country Status (6)

Country Link
EP (1) EP0614578A4 (ja)
JP (1) JPH07501432A (ja)
CA (1) CA2124459C (ja)
MX (1) MX9206637A (ja)
TW (1) TW222353B (ja)
WO (1) WO1993011582A1 (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5453752A (en) * 1991-05-03 1995-09-26 Georgia Tech Research Corporation Compact broadband microstrip antenna
GB9410994D0 (en) * 1994-06-01 1994-07-20 Alan Dick & Company Limited Antennae
TW449946B (en) 2000-04-07 2001-08-11 Ind Tech Res Inst Microstrip antenna apparatus
GB2431049B (en) * 2005-10-05 2008-02-27 Motorola Inc An antenna arrangement
US7545338B2 (en) * 2006-11-16 2009-06-09 Tdk Corporation Log-periodic dipole array (LPDA) antenna and method of making
US8106849B2 (en) * 2009-08-28 2012-01-31 SVR Inventions, Inc. Planar antenna array and article of manufacture using same
CN107091847B (zh) * 2017-06-01 2023-11-07 厦门大学 一种介质材料电磁参数测量装置及测量方法
SE2030349A1 (en) * 2020-11-30 2021-12-21 Gapwaves Ab Improved ultra-wideband circular-polarized radiation element with integrated feeding
US12149005B2 (en) * 2021-09-08 2024-11-19 MeshPlusPlus, Inc. Phased-array antenna with precise electrical steering for mesh network applications

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1157600A1 (ru) * 1983-02-22 1985-05-23 Предприятие П/Я А-1836 Излучатель-фазовращатель отражательной фазированной антенной решетки
US4651159A (en) * 1984-02-13 1987-03-17 University Of Queensland Microstrip antenna
US4962383A (en) * 1984-11-08 1990-10-09 Allied-Signal Inc. Low profile array antenna system with independent multibeam control
JPH02246504A (ja) * 1989-03-20 1990-10-02 Fujitsu Ltd 移動体衛星通信システム用移動局アンテナ装置
JPH02284505A (ja) * 1989-04-26 1990-11-21 Kokusai Denshin Denwa Co Ltd <Kdd> マイクロストリップアンテナ

Also Published As

Publication number Publication date
EP0614578A4 (en) 1995-05-10
TW222353B (ja) 1994-04-11
EP0614578A1 (en) 1994-09-14
WO1993011582A1 (en) 1993-06-10
JPH07501432A (ja) 1995-02-09
CA2124459A1 (en) 1993-06-10
MX9206637A (es) 1993-11-01

Similar Documents

Publication Publication Date Title
US5589842A (en) Compact microstrip antenna with magnetic substrate
US5313216A (en) Multioctave microstrip antenna
US4843400A (en) Aperture coupled circular polarization antenna
Howell Microstrip antennas
US4843403A (en) Broadband notch antenna
Derneryd Linearly polarized microstrip antennas
Oltman et al. Electromagnetically coupled microstrip dipoles
US5539420A (en) Multilayered, planar antenna with annular feed slot, passive resonator and spurious wave traps
US5621422A (en) Spiral-mode microstrip (SMM) antennas and associated methods for exciting, extracting and multiplexing the various spiral modes
US4208660A (en) Radio frequency ring-shaped slot antenna
US6317083B1 (en) Antenna having a feed and a shorting post connected between reference plane and planar conductor interacting to form a transmission line
US8228251B1 (en) Ultra-wideband, low profile antenna
CA2167359C (en) Antenna apparatus using a short patch antenna
US6288682B1 (en) Directional antenna assembly
US5703601A (en) Double layer circularly polarized antenna with single feed
US7750861B2 (en) Hybrid antenna including spiral antenna and periodic array, and associated methods
US6160522A (en) Cavity-backed slot antenna
US4675685A (en) Low VSWR, flush-mounted, adaptive array antenna
EP0891004B1 (en) Omnidirectional slot antenna
US8203500B2 (en) Compact circularly polarized omni-directional antenna
EP0250832A2 (en) Cavity-backed slot antenna
US5583510A (en) Planar antenna in the ISM band with an omnidirectional pattern in the horizontal plane
GB2230902A (en) Antenna element
JPH0671171B2 (ja) 広帯域アンテナ
US6211839B1 (en) Polarized planar log periodic antenna

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed