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GB2370158B - Multiband PIFA-type antenna for vehicular applications - Google Patents

Multiband PIFA-type antenna for vehicular applications

Info

Publication number
GB2370158B
GB2370158B GB0030418A GB0030418A GB2370158B GB 2370158 B GB2370158 B GB 2370158B GB 0030418 A GB0030418 A GB 0030418A GB 0030418 A GB0030418 A GB 0030418A GB 2370158 B GB2370158 B GB 2370158B
Authority
GB
United Kingdom
Prior art keywords
type antenna
vehicular applications
pifa
multiband
multiband pifa
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
GB0030418A
Other versions
GB0030418D0 (en
GB2370158A (en
Inventor
Richard Jonathan Langley
Lazoros Economou
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.)
Harada Industry Co Ltd
Original Assignee
Harada Industry Co Ltd
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 Harada Industry Co Ltd filed Critical Harada Industry Co Ltd
Priority to GB0030418A priority Critical patent/GB2370158B/en
Publication of GB0030418D0 publication Critical patent/GB0030418D0/en
Publication of GB2370158A publication Critical patent/GB2370158A/en
Application granted granted Critical
Publication of GB2370158B publication Critical patent/GB2370158B/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
    • 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
    • H01Q9/045—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular feeding means
    • 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
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/378—Combination of fed elements with parasitic elements
    • 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
    • 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)
GB0030418A 2000-12-13 2000-12-13 Multiband PIFA-type antenna for vehicular applications Expired - Fee Related GB2370158B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0030418A GB2370158B (en) 2000-12-13 2000-12-13 Multiband PIFA-type antenna for vehicular applications

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0030418A GB2370158B (en) 2000-12-13 2000-12-13 Multiband PIFA-type antenna for vehicular applications

Publications (3)

Publication Number Publication Date
GB0030418D0 GB0030418D0 (en) 2001-01-24
GB2370158A GB2370158A (en) 2002-06-19
GB2370158B true GB2370158B (en) 2004-10-13

Family

ID=9905017

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0030418A Expired - Fee Related GB2370158B (en) 2000-12-13 2000-12-13 Multiband PIFA-type antenna for vehicular applications

Country Status (1)

Country Link
GB (1) GB2370158B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105789845A (en) * 2016-04-14 2016-07-20 北京奇虎科技有限公司 Smart watch and full-band tuning antenna

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI298958B (en) 2003-08-29 2008-07-11 Fujitsu Ten Ltd Circular polarization antenna and composite antenna including this antenna
JP4278534B2 (en) * 2004-02-19 2009-06-17 富士通テン株式会社 Circularly polarized antenna, antenna device, and processing device
CN101106211B (en) * 2006-07-14 2012-09-05 连展科技电子（昆山）有限公司 Dual loop multi-frequency antenna
JP5076519B2 (en) * 2007-01-31 2012-11-21 富士通株式会社 tag
CN203491382U (en) * 2013-06-25 2014-03-19 中兴通讯股份有限公司 Antenna, antenna device and terminal
CN110165413A (en) 2013-08-15 2019-08-23 同方威视技术股份有限公司 Antenna system, broadband microstrip antenna and aerial array

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4074270A (en) * 1976-08-09 1978-02-14 The United States Of America As Represented By The Secretary Of The Navy Multiple frequency microstrip antenna assembly
US4218682A (en) * 1979-06-22 1980-08-19 Nasa Multiple band circularly polarized microstrip antenna
GB2067842A (en) * 1980-01-16 1981-07-30 Secr Defence Microstrip Antenna
US4575425A (en) * 1984-12-24 1986-03-11 Calgon Corporation Process for controlling calcium oxalate scale over a wide pH range
US4783661A (en) * 1986-11-29 1988-11-08 Stc Plc Dual-band circularly polarised antenna with hemispherical coverage
EP0655797A1 (en) * 1993-11-26 1995-05-31 Motorola, Inc. Quarter-wave gap-coupled tunable strip antenna
EP0790663A1 (en) * 1996-02-13 1997-08-20 Murata Manufacturing Co., Ltd. Surface mounting antenna and communication apparatus using the same antenna
EP0831547A2 (en) * 1996-09-20 1998-03-25 Murata Manufacturing Co., Ltd. Microstrip antenna
EP0831548A2 (en) * 1996-09-24 1998-03-25 Murata Manufacturing Co., Ltd. Antenna
US5943016A (en) * 1995-12-07 1999-08-24 Atlantic Aerospace Electronics, Corp. Tunable microstrip patch antenna and feed network therefor
GB2355114A (en) * 1999-09-30 2001-04-11 Harada Ind Current optimised dual band patch antenna

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4074270A (en) * 1976-08-09 1978-02-14 The United States Of America As Represented By The Secretary Of The Navy Multiple frequency microstrip antenna assembly
US4218682A (en) * 1979-06-22 1980-08-19 Nasa Multiple band circularly polarized microstrip antenna
GB2067842A (en) * 1980-01-16 1981-07-30 Secr Defence Microstrip Antenna
US4575425A (en) * 1984-12-24 1986-03-11 Calgon Corporation Process for controlling calcium oxalate scale over a wide pH range
US4783661A (en) * 1986-11-29 1988-11-08 Stc Plc Dual-band circularly polarised antenna with hemispherical coverage
EP0655797A1 (en) * 1993-11-26 1995-05-31 Motorola, Inc. Quarter-wave gap-coupled tunable strip antenna
US5943016A (en) * 1995-12-07 1999-08-24 Atlantic Aerospace Electronics, Corp. Tunable microstrip patch antenna and feed network therefor
EP0790663A1 (en) * 1996-02-13 1997-08-20 Murata Manufacturing Co., Ltd. Surface mounting antenna and communication apparatus using the same antenna
EP0831547A2 (en) * 1996-09-20 1998-03-25 Murata Manufacturing Co., Ltd. Microstrip antenna
EP0831548A2 (en) * 1996-09-24 1998-03-25 Murata Manufacturing Co., Ltd. Antenna
GB2355114A (en) * 1999-09-30 2001-04-11 Harada Ind Current optimised dual band patch antenna

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105789845A (en) * 2016-04-14 2016-07-20 北京奇虎科技有限公司 Smart watch and full-band tuning antenna

Also Published As

Publication number Publication date
GB0030418D0 (en) 2001-01-24
GB2370158A (en) 2002-06-19

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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: 20081213