GB2274548B - Dual purpose, low profile antenna - Google Patents

Dual purpose, low profile antenna

Info

Publication number
GB2274548B
GB2274548B GB9301400A GB9301400A GB2274548B GB 2274548 B GB2274548 B GB 2274548B GB 9301400 A GB9301400 A GB 9301400A GB 9301400 A GB9301400 A GB 9301400A GB 2274548 B GB2274548 B GB 2274548B
Authority
GB
United Kingdom
Prior art keywords
low profile
dual purpose
profile antenna
antenna
dual
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
GB9301400A
Other versions
GB9301400D0 (en
GB2274548A (en
Inventor
Philip Michael Anderson
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.)
Securicor Datatrak Ltd
Original Assignee
Securicor Datatrak 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 Securicor Datatrak Ltd filed Critical Securicor Datatrak Ltd
Priority to GB9301400A priority Critical patent/GB2274548B/en
Publication of GB9301400D0 publication Critical patent/GB9301400D0/en
Priority claimed from AU53897/94A external-priority patent/AU670646C/en
Publication of GB2274548A publication Critical patent/GB2274548A/en
Application granted granted Critical
Publication of GB2274548B publication Critical patent/GB2274548B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/27Adaptation for use in or on movable bodies
    • H01Q1/32Adaptation for use in or on road or rail vehicles
    • H01Q1/325Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle
    • H01Q1/3275Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle mounted on a horizontal surface of the vehicle, e.g. on roof, hood, trunk
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/40Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04Resonant antennas
    • H01Q9/0407Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/0464Annular ring patch
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04Resonant antennas
    • H01Q9/30Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/32Vertical arrangement of element
    • H01Q9/36Vertical arrangement of element with top loading
GB9301400A 1993-01-25 1993-01-25 Dual purpose, low profile antenna Expired - Fee Related GB2274548B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9301400A GB2274548B (en) 1993-01-25 1993-01-25 Dual purpose, low profile antenna

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
GB9301400A GB2274548B (en) 1993-01-25 1993-01-25 Dual purpose, low profile antenna
EP94300294A EP0608992A1 (en) 1993-01-25 1994-01-17 Dual purpose, low profile antenna
AU53897/94A AU670646C (en) 1993-01-25 1994-01-19 Dual purpose, low profile antenna
CA002114576A CA2114576A1 (en) 1993-01-25 1994-01-25 Dual purpose, low profile antenna
JP6023309A JPH0730316A (en) 1993-01-25 1994-01-25 Dual purpose antena of low profile
US08/497,140 US5568157A (en) 1993-01-25 1995-06-30 Dual purpose, low profile antenna

Publications (3)

Publication Number Publication Date
GB9301400D0 GB9301400D0 (en) 1993-03-17
GB2274548A GB2274548A (en) 1994-07-27
GB2274548B true GB2274548B (en) 1996-07-24

Family

ID=10729263

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9301400A Expired - Fee Related GB2274548B (en) 1993-01-25 1993-01-25 Dual purpose, low profile antenna

Country Status (5)

Country Link
US (1) US5568157A (en)
EP (1) EP0608992A1 (en)
JP (1) JPH0730316A (en)
CA (1) CA2114576A1 (en)
GB (1) GB2274548B (en)

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GB9504096D0 (en) * 1995-03-01 1995-04-19 Gasser Elaine Antenna and assembly
JPH098517A (en) * 1995-06-20 1997-01-10 Mitsumi Electric Co Ltd Plane antenna
US6054961A (en) * 1997-09-08 2000-04-25 Andrew Corporation Dual band, glass mount antenna and flexible housing therefor
JP3927680B2 (en) * 1998-03-10 2007-06-13 電気興業株式会社 Polarization diversity antenna device
EP0963004B1 (en) * 1998-06-04 2004-02-04 Matsushita Electric Industrial Co., Ltd. Monopole antenna
US6429827B1 (en) * 1998-12-28 2002-08-06 Transystem, Inc. Integrated MMDS antenna with reflector mounted on a totally sealed single-body dipole-transceiver base
US6683570B2 (en) * 2001-03-29 2004-01-27 Tyco Electronics Corporation Compact multi-band antenna
SE520530C2 (en) * 2001-04-26 2003-07-22 Ericsson Telefon Ab L M Linearized switch-based power amplifier
US7075426B2 (en) * 2002-09-06 2006-07-11 3Si Security Systems, Inc. Flex motion wake-up circuit for a security pack
JP2006515493A (en) * 2003-03-18 2006-05-25 ヒルシュマン エレクトロニクス ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディートゲゼルシャフト Antenna with plastic casing
JP2004304443A (en) 2003-03-31 2004-10-28 Clarion Co Ltd Antenna
WO2004095639A1 (en) * 2003-04-24 2004-11-04 Asahi Glass Company, Limited Antenna device
JP4107169B2 (en) * 2003-06-03 2008-06-25 ミツミ電機株式会社 Antenna device
US6930643B2 (en) * 2003-11-03 2005-08-16 Delphi Technologies, Inc. Antenna module assembly
JP4057560B2 (en) * 2004-06-25 2008-03-05 アルプス電気株式会社 Antenna device
US7098862B2 (en) * 2004-10-26 2006-08-29 Fpr Enterprises, Llc Single connector dual band antenna with embedded diplexer
US7242364B2 (en) 2005-09-29 2007-07-10 Nokia Corporation Dual-resonant antenna
KR101295363B1 (en) * 2007-01-22 2013-08-12 삼성전자주식회사 A Radio Receiving Apparatus
US20080246615A1 (en) * 2007-04-04 2008-10-09 Symbol Technologies, Inc. RFID antenna cupped reflector
CN101436716A (en) * 2007-11-16 2009-05-20 鸿富锦精密工业(深圳)有限公司 Antennae
KR101392499B1 (en) * 2010-11-09 2014-05-07 한국전자통신연구원 Simple-to-manufacture Antenna According to Frequency Characteristics
US20140125530A1 (en) * 2012-11-06 2014-05-08 Omega-Tec, LLC Compact Mobile and Fixed Broadband Dual-Mode HF Antenna System
US9431712B2 (en) 2013-05-22 2016-08-30 Wisconsin Alumni Research Foundation Electrically-small, low-profile, ultra-wideband antenna
GB201309957D0 (en) * 2013-06-04 2013-07-17 Ford Global Tech Llc A motor vehicle antenna assembly
US9337540B2 (en) 2014-06-04 2016-05-10 Wisconsin Alumni Research Foundation Ultra-wideband, low profile antenna
US10263341B2 (en) * 2016-04-19 2019-04-16 Ethertronics, Inc. Low profile antenna system
US11038283B2 (en) * 2018-09-20 2021-06-15 The Boeing Company Reconfigurable aperture-coupled patch antenna

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1595277A (en) * 1978-05-09 1981-08-12 Communications Patents Ltd Antenna arrangements
EP0174068A1 (en) * 1984-07-09 1986-03-12 The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Improvements in or relating to microstrip antennas
EP0403910A1 (en) * 1989-06-20 1990-12-27 Alcatel Espace Radiating, diplexing element

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2611865A (en) * 1946-06-19 1952-09-23 Alford Andrew Transversely gapped cylindrical antenna
US3967276A (en) * 1975-01-09 1976-06-29 Beam Guidance Inc. Antenna structures having reactance at free end
GB2005922B (en) * 1977-10-01 1982-05-19 Secr Defence Radio antennae
JPS593042B2 (en) * 1979-01-09 1984-01-21 Nippon Telegraph & Telephone
US4313121A (en) * 1980-03-13 1982-01-26 The United States Of America As Represented By The Secretary Of The Army Compact monopole antenna with structured top load
JPS5829203A (en) * 1981-08-17 1983-02-21 Nippon Telegr & Teleph Corp <Ntt> Multilayered microstrip diversity antenna
DE3201904A1 (en) * 1982-01-22 1983-08-04 Basf Ag, 6700 Ludwigshafen METHOD FOR PRODUCING O, O'-DITHIODIBENZOESAEURS
JPS5916402A (en) * 1982-07-19 1984-01-27 Nippon Telegr & Teleph Corp <Ntt> Broad band microstrip antenna uses two-frequencies in common
US4661821A (en) * 1985-03-15 1987-04-28 General Electric Company Vandalism-resistant UHF antenna
US4821040A (en) * 1986-12-23 1989-04-11 Ball Corporation Circular microstrip vehicular rf antenna
US5170493A (en) * 1988-07-25 1992-12-08 Iimorrow, Inc. Combined low frequency receive and high frequency transceive antenna system and method
EP0394931A3 (en) * 1989-04-26 1991-09-11 Siemens Aktiengesellschaft Annular slot antenna
US5181044A (en) * 1989-11-15 1993-01-19 Matsushita Electric Works, Ltd. Top loaded antenna

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1595277A (en) * 1978-05-09 1981-08-12 Communications Patents Ltd Antenna arrangements
EP0174068A1 (en) * 1984-07-09 1986-03-12 The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Improvements in or relating to microstrip antennas
EP0403910A1 (en) * 1989-06-20 1990-12-27 Alcatel Espace Radiating, diplexing element
US5055852A (en) * 1989-06-20 1991-10-08 Alcatel Espace Diplexing radiating element

Also Published As

Publication number Publication date
US5568157A (en) 1996-10-22
AU5389794A (en) 1994-07-28
GB2274548A (en) 1994-07-27
EP0608992A1 (en) 1994-08-03
JPH0730316A (en) 1995-01-31
GB9301400D0 (en) 1993-03-17
CA2114576A1 (en) 1994-07-26
AU670646B2 (en) 1996-07-25

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Legal Events

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

Effective date: 20040125