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GB2445592B - Antenna structure - Google Patents

Antenna structure

Info

Publication number
GB2445592B
GB2445592B GB0700642.2A GB0700642A GB2445592B GB 2445592 B GB2445592 B GB 2445592B GB 0700642 A GB0700642 A GB 0700642A GB 2445592 B GB2445592 B GB 2445592B
Authority
GB
United Kingdom
Prior art keywords
antenna structure
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.)
Active
Application number
GB0700642.2A
Other versions
GB0700642D0 (en
GB2445592A (en
Inventor
Keith David Newsome
Simon Bower
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.)
Teledyne UK Ltd
Original Assignee
e2v Technologies UK 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 e2v Technologies UK Ltd filed Critical e2v Technologies UK Ltd
Priority to GB0700642.2A priority Critical patent/GB2445592B/en
Publication of GB0700642D0 publication Critical patent/GB0700642D0/en
Priority to PCT/GB2008/000099 priority patent/WO2008084249A1/en
Publication of GB2445592A publication Critical patent/GB2445592A/en
Application granted granted Critical
Publication of GB2445592B publication Critical patent/GB2445592B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H01Q19/22—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 using a secondary device in the form of a single substantially straight conductive element
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/32—Adaptation for use in or on road or rail vehicles
    • H01Q1/3208—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used
    • H01Q1/3233—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used particular used as part of a sensor or in a security system, e.g. for automotive radar, navigation systems
    • 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
    • H01Q19/28—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 using a secondary device in the form of two or more substantially straight conductive elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
    • 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
    • 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

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Burglar Alarm Systems (AREA)
  • Waveguide Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
GB0700642.2A 2007-01-12 2007-01-12 Antenna structure Active GB2445592B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0700642.2A GB2445592B (en) 2007-01-12 2007-01-12 Antenna structure
PCT/GB2008/000099 WO2008084249A1 (en) 2007-01-12 2008-01-11 Antenna structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0700642.2A GB2445592B (en) 2007-01-12 2007-01-12 Antenna structure

Publications (3)

Publication Number Publication Date
GB0700642D0 GB0700642D0 (en) 2007-02-21
GB2445592A GB2445592A (en) 2008-07-16
GB2445592B true GB2445592B (en) 2012-01-04

Family

ID=37809889

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0700642.2A Active GB2445592B (en) 2007-01-12 2007-01-12 Antenna structure

Country Status (2)

Country Link
GB (1) GB2445592B (en)
WO (1) WO2008084249A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5429215B2 (en) * 2011-03-09 2014-02-26 株式会社村田製作所 Horizontal radiating antenna
US11728577B2 (en) * 2019-11-15 2023-08-15 Wafer Llc Multi-layered antenna having dual-band patch

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989007838A1 (en) * 1988-02-15 1989-08-24 British Telecommunications Public Limited Company Microstrip antenna
EP0391634A1 (en) * 1989-04-03 1990-10-10 Raytheon Company Microstrip antenna with parasitic elements
US5220335A (en) * 1990-03-30 1993-06-15 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Planar microstrip Yagi antenna array
US5532709A (en) * 1994-11-02 1996-07-02 Ford Motor Company Directional antenna for vehicle entry system
GB2312992A (en) * 1996-05-10 1997-11-12 Pyronix Ltd Doppler microwave event detection device
US6133882A (en) * 1997-12-22 2000-10-17 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Industry Through Communications Research Centre Multiple parasitic coupling to an outer antenna patch element from inner patch elements
US6326922B1 (en) * 2000-06-29 2001-12-04 Worldspace Corporation Yagi antenna coupled with a low noise amplifier on the same printed circuit board
JP2006074697A (en) * 2004-09-06 2006-03-16 Ricoh Co Ltd Directional antenna, directivity control method thereof, and antenna system
WO2006035881A1 (en) * 2004-09-30 2006-04-06 Toto Ltd. Microstrip antenna and high frequency sensor using microstrip antenna

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9702242D0 (en) * 1997-02-04 1997-03-26 Plessey Semiconductors Ltd Alarm sensor and antenna arrangement

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989007838A1 (en) * 1988-02-15 1989-08-24 British Telecommunications Public Limited Company Microstrip antenna
EP0391634A1 (en) * 1989-04-03 1990-10-10 Raytheon Company Microstrip antenna with parasitic elements
US5220335A (en) * 1990-03-30 1993-06-15 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Planar microstrip Yagi antenna array
US5532709A (en) * 1994-11-02 1996-07-02 Ford Motor Company Directional antenna for vehicle entry system
GB2312992A (en) * 1996-05-10 1997-11-12 Pyronix Ltd Doppler microwave event detection device
US6133882A (en) * 1997-12-22 2000-10-17 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Industry Through Communications Research Centre Multiple parasitic coupling to an outer antenna patch element from inner patch elements
US6326922B1 (en) * 2000-06-29 2001-12-04 Worldspace Corporation Yagi antenna coupled with a low noise amplifier on the same printed circuit board
JP2006074697A (en) * 2004-09-06 2006-03-16 Ricoh Co Ltd Directional antenna, directivity control method thereof, and antenna system
WO2006035881A1 (en) * 2004-09-30 2006-04-06 Toto Ltd. Microstrip antenna and high frequency sensor using microstrip antenna

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Electronics and Communications in Japan, Part 1, Vol.88, No.7, 2005, N Honma et al, "Compact multisector antenna employing microstrip Yagi-Uda array antenna with common director elements", pages 1 - 10. *
IEEE Transactions on Antennas and Propagation, Vol.46, N0.5, May 1998, D Gray et al, "Electronically steerable Yagi-Uda microstrip patch antenna array", pages 605 - 608. *

Also Published As

Publication number Publication date
GB0700642D0 (en) 2007-02-21
GB2445592A (en) 2008-07-16
WO2008084249A1 (en) 2008-07-17

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