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GB201519803D0 - Radio frequency antennas - Google Patents

Radio frequency antennas

Info

Publication number
GB201519803D0
GB201519803D0 GBGB1519803.9A GB201519803A GB201519803D0 GB 201519803 D0 GB201519803 D0 GB 201519803D0 GB 201519803 A GB201519803 A GB 201519803A GB 201519803 D0 GB201519803 D0 GB 201519803D0
Authority
GB
United Kingdom
Prior art keywords
radio frequency
frequency antennas
antennas
radio
frequency
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.)
Withdrawn
Application number
GBGB1519803.9A
Other versions
GB2544279A (en
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.)
South Midlands Comm Ltd
Original Assignee
South Midlands Comm 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 South Midlands Comm Ltd filed Critical South Midlands Comm Ltd
Priority to GB1519803.9A priority Critical patent/GB2544279A/en
Publication of GB201519803D0 publication Critical patent/GB201519803D0/en
Publication of GB2544279A publication Critical patent/GB2544279A/en
Withdrawn legal-status Critical Current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
    • H01Q9/16—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
    • 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
    • H01Q1/325—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle
    • H01Q1/3275—Adaptation 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
GB1519803.9A 2015-11-10 2015-11-10 Radio frequency antennas Withdrawn GB2544279A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1519803.9A GB2544279A (en) 2015-11-10 2015-11-10 Radio frequency antennas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1519803.9A GB2544279A (en) 2015-11-10 2015-11-10 Radio frequency antennas

Publications (2)

Publication Number Publication Date
GB201519803D0 true GB201519803D0 (en) 2015-12-23
GB2544279A GB2544279A (en) 2017-05-17

Family

ID=55132553

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1519803.9A Withdrawn GB2544279A (en) 2015-11-10 2015-11-10 Radio frequency antennas

Country Status (1)

Country Link
GB (1) GB2544279A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2567796A (en) * 2017-07-25 2019-05-01 Siemens Rail Automation Holdings Ltd Retrofitting a train with an external antenna

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB451213A (en) * 1935-03-04 1936-07-31 Richard Jensen Improvements in wireless aerials
GB9913526D0 (en) * 1999-06-10 1999-08-11 Harada Ind Europ Limited Multiband antenna
JP2005260432A (en) * 2004-03-10 2005-09-22 Nippon Antenna Co Ltd Antenna element
EP1764866A1 (en) * 2005-09-15 2007-03-21 Infineon Tehnologies AG Miniaturized integrated monopole antenna
EP2550680A4 (en) * 2010-03-24 2017-08-02 Mina Danesh Integrated photovoltaic cell and radio-frequency antenna
EP2403062A1 (en) * 2010-06-30 2012-01-04 BAE Systems PLC Antenna structure

Also Published As

Publication number Publication date
GB2544279A (en) 2017-05-17

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)