[go: up one dir, main page]

GB2238665B - Microstrip antenna of two frequency separate-feeding type for circularly polarized waves - Google Patents

Microstrip antenna of two frequency separate-feeding type for circularly polarized waves

Info

Publication number
GB2238665B
GB2238665B GB9025672A GB9025672A GB2238665B GB 2238665 B GB2238665 B GB 2238665B GB 9025672 A GB9025672 A GB 9025672A GB 9025672 A GB9025672 A GB 9025672A GB 2238665 B GB2238665 B GB 2238665B
Authority
GB
United Kingdom
Prior art keywords
circularly polarized
microstrip antenna
polarized waves
feeding type
frequency separate
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
GB9025672A
Other versions
GB2238665A (en
GB9025672D0 (en
Inventor
Kazunori Takeuchi
Masayuki Yasunaga
Takayasu Shiokawa
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.)
KDDI Corp
Original Assignee
Kokusai Denshin Denwa KK
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 Kokusai Denshin Denwa KK filed Critical Kokusai Denshin Denwa KK
Publication of GB9025672D0 publication Critical patent/GB9025672D0/en
Publication of GB2238665A publication Critical patent/GB2238665A/en
Application granted granted Critical
Publication of GB2238665B publication Critical patent/GB2238665B/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
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/061—Two dimensional planar arrays
    • H01Q21/065—Patch antenna array
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/40—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
    • H01Q5/42—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements using two or more imbricated arrays
    • 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
    • H01Q9/0421—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with a shorting wall or a shorting pin at one end of the element

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Waveguide Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
GB9025672A 1989-11-27 1990-11-26 Microstrip antenna of two frequency separate-feeding type for circularly polarized waves Expired - Fee Related GB2238665B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP30725889A JPH03166803A (en) 1989-11-27 1989-11-27 Microstrip antenna for separately feeding two-frequency circular polarized wave

Publications (3)

Publication Number Publication Date
GB9025672D0 GB9025672D0 (en) 1991-01-09
GB2238665A GB2238665A (en) 1991-06-05
GB2238665B true GB2238665B (en) 1993-12-22

Family

ID=17966941

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9025672A Expired - Fee Related GB2238665B (en) 1989-11-27 1990-11-26 Microstrip antenna of two frequency separate-feeding type for circularly polarized waves

Country Status (3)

Country Link
JP (1) JPH03166803A (en)
CA (1) CA2030886C (en)
GB (1) GB2238665B (en)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4135828A1 (en) * 1991-10-30 1993-05-06 Deutsche Forschungsanstalt Fuer Luft- Und Raumfahrt E.V., 5300 Bonn, De ANTENNA ARRANGEMENT
JP3192252B2 (en) * 1992-12-08 2001-07-23 電気興業株式会社 Microwave power distribution circuit
DE69529192D1 (en) * 1994-03-08 2003-01-30 Telit Mobile Terminals Spa PORTABLE TRANSMITTER AND / OR RECEIVER
CA2164669C (en) * 1994-12-28 2000-01-18 Martin Victor Schneider Multi-branch miniature patch antenna having polarization and share diversity
JPH11239020A (en) * 1997-04-18 1999-08-31 Murata Mfg Co Ltd Circular polarizing antenna and radio device using same
US6314275B1 (en) 1997-08-19 2001-11-06 Telit Mobile Terminals, S.P.A. Hand-held transmitting and/or receiving apparatus
JP3252786B2 (en) * 1998-02-24 2002-02-04 株式会社村田製作所 Antenna device and wireless device using the same
GB2385467B (en) * 2002-02-19 2005-09-14 Harada Ind Integrated vehicular antenna system with selectable feedline positioning
JP2003332840A (en) * 2002-05-13 2003-11-21 Toshiba Corp Antenna device and wireless device using the same
DE10231961B3 (en) * 2002-07-15 2004-02-12 Kathrein-Werke Kg Low-profile dual or multi-band antenna, especially for motor vehicles
JP4070645B2 (en) * 2003-03-20 2008-04-02 クラリオン株式会社 Planar antenna
EP1564843A1 (en) * 2004-02-11 2005-08-17 Sony International (Europe) GmbH Circular polarised array antenna
EP1622221A1 (en) 2004-02-11 2006-02-01 Sony Deutschland GmbH Circular polarised array antenna
JP2005278220A (en) * 2005-05-20 2005-10-06 Fec Inc Antenna element for mobile communication terminal
JP4662070B2 (en) * 2006-11-30 2011-03-30 日本無線株式会社 Dual frequency double orthogonal polarization waveguide slot array antenna and double orthogonal polarization communication system
JP2009088625A (en) * 2007-09-27 2009-04-23 Dx Antenna Co Ltd Antenna
EP2159878A1 (en) * 2008-08-28 2010-03-03 ERA Technology Limited Stacked patch antenna array
US20110128201A1 (en) * 2009-11-30 2011-06-02 Electronics And Telecommunications Research Institute Circularly polarized antenna in wireless communication system and method for manufacturing the same
JP6083142B2 (en) * 2012-07-25 2017-02-22 株式会社デンソーウェーブ Antenna device
JP2014027417A (en) * 2012-07-25 2014-02-06 Denso Wave Inc Antenna
CN103975485B (en) 2013-12-02 2015-11-25 广东通宇通讯股份有限公司 Antenna for base station feeding network
JP2016226056A (en) * 2016-10-04 2016-12-28 株式会社デンソーウェーブ Antenna device
JP6787041B2 (en) * 2016-10-28 2020-11-18 株式会社デンソーウェーブ antenna
JP7118556B2 (en) * 2018-12-27 2022-08-16 アルパイン株式会社 antenna device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2198290A (en) * 1986-11-29 1988-06-08 Stc Plc Dual-band circularly polarised antenna with hemispherical coverage
GB2229319A (en) * 1989-01-20 1990-09-19 Antenna Products Ltd Antenna

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2198290A (en) * 1986-11-29 1988-06-08 Stc Plc Dual-band circularly polarised antenna with hemispherical coverage
GB2229319A (en) * 1989-01-20 1990-09-19 Antenna Products Ltd Antenna

Also Published As

Publication number Publication date
JPH03166803A (en) 1991-07-18
CA2030886A1 (en) 1991-05-28
CA2030886C (en) 1998-04-14
GB2238665A (en) 1991-06-05
GB9025672D0 (en) 1991-01-09

Similar Documents

Publication Publication Date Title
GB2238665B (en) Microstrip antenna of two frequency separate-feeding type for circularly polarized waves
JPS57185704A (en) Circular polarized high frequency wave signal receiving or radiating element and antenna
EP0416300A3 (en) Dual polarized spiral antenna
GB2198290B (en) Dual band circularly polarised antenna with hemispherical coverage
DE69418242D1 (en) Circuit arrangement for impedance matching for two frequencies for an antenna
AU4134289A (en) Microstrip antenna system with multiple frequency elements
GR3019579T3 (en) Slot antenna having controllable polarization
GB9018327D0 (en) Antenna device shared by three kinds of waves
DE69232020D1 (en) Circularly polarized stripline antenna and method for its frequency adjustment
GB9004165D0 (en) Planar microwave antenna
FR2572592B1 (en) TABLECLOTH ANTENNA FOR MICROWAVE
IL76444A (en) Low frequency/high frequency omnidirectional antenna
GB2242316B (en) Patch type microstrip antenna for receiving vertically and/or horizontally polarized waves
DK719988A (en) ANTENNA FOR USE IN MORE FREQUENCY AREAS
EP0186496A3 (en) Antenna system for circularly polarized waves
AU584819B2 (en) An antenna exciter for at least two different frequency bands
GB2185355B (en) Circularly polarized leaky waveguide doppler antenna
EP0410763A3 (en) High frequency impedance transformer
DE69314834D1 (en) Circularly polarized microwave antenna
GB2303740B (en) Integrated microwave frequency balun coupler,in particular for dipole antenna
DE3362891D1 (en) Very high frequency mixer for electromagnetic waves
GB8922377D0 (en) Microwave antenna
GB8923744D0 (en) Microwave radar transmitting antenna
AU629063C (en) Circularly polarized broadband microstrip antenna
AU629063B2 (en) Circularly polarized broadband microstrip antenna

Legal Events

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

Effective date: 19981126