GB9412569D0 - Radio frequency apparatus - Google Patents

Radio frequency apparatus

Info

Publication number
GB9412569D0
GB9412569D0 GB9412569A GB9412569A GB9412569D0 GB 9412569 D0 GB9412569 D0 GB 9412569D0 GB 9412569 A GB9412569 A GB 9412569A GB 9412569 A GB9412569 A GB 9412569A GB 9412569 D0 GB9412569 D0 GB 9412569D0
Authority
GB
United Kingdom
Prior art keywords
radio frequency
frequency apparatus
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.)
Granted
Application number
GB9412569A
Other versions
GB2292257A8 (en
GB2292257A (en
GB2292257B (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.)
Individual
Original Assignee
Individual
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
Publication of GB2292257A8 publication Critical patent/GB2292257A8/en
Application filed by Individual filed Critical Individual
Priority to GB9412569A priority Critical patent/GB2292257B/en
Publication of GB9412569D0 publication Critical patent/GB9412569D0/en
Publication of GB2292257A publication Critical patent/GB2292257A/en
Application granted granted Critical
Publication of GB2292257B publication Critical patent/GB2292257B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q11/00—Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
    • H01Q11/02—Non-resonant antennas, e.g. travelling-wave antenna
    • H01Q11/08—Helical antennas
GB9412569A 1994-06-22 1994-06-22 An antenna Expired - Lifetime GB2292257B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9412569A GB2292257B (en) 1994-06-22 1994-06-22 An antenna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9412569A GB2292257B (en) 1994-06-22 1994-06-22 An antenna

Publications (4)

Publication Number Publication Date
GB2292257A8 GB2292257A8 (en)
GB9412569D0 true GB9412569D0 (en) 1994-08-10
GB2292257A GB2292257A (en) 1996-02-14
GB2292257B GB2292257B (en) 1999-04-07

Family

ID=10757174

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9412569A Expired - Lifetime GB2292257B (en) 1994-06-22 1994-06-22 An antenna

Country Status (1)

Country Link
GB (1) GB2292257B (en)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9417450D0 (en) 1994-08-25 1994-10-19 Symmetricom Inc An antenna
GB2326532B (en) * 1994-08-25 1999-02-24 Symmetricom Inc An antenna
GB2299455B (en) * 1995-03-31 1999-12-22 Motorola Inc Self phased antenna element with dielectric and associated method
GB9601250D0 (en) * 1996-01-23 1996-03-27 Symmetricom Inc An antenna
GB9603914D0 (en) * 1996-02-23 1996-04-24 Symmetricom Inc An antenna
GB9606593D0 (en) * 1996-03-29 1996-06-05 Symmetricom Inc An antenna system
US6184845B1 (en) 1996-11-27 2001-02-06 Symmetricom, Inc. Dielectric-loaded antenna
GB9813002D0 (en) 1998-06-16 1998-08-12 Symmetricom Inc An antenna
GB9828768D0 (en) 1998-12-29 1999-02-17 Symmetricom Inc An antenna
GB9902765D0 (en) 1999-02-08 1999-03-31 Symmetricom Inc An antenna
GB2383901B (en) * 1999-05-27 2003-12-31 Sarantel Ltd An antenna
GB9912441D0 (en) 1999-05-27 1999-07-28 Symmetricon Inc An antenna
US6331836B1 (en) * 2000-08-24 2001-12-18 Fast Location.Net, Llc Method and apparatus for rapidly estimating the doppler-error and other receiver frequency errors of global positioning system satellite signals weakened by obstructions in the signal path
GB2368466B (en) * 2000-10-23 2002-11-06 Motorola Israel Ltd Antenna
US6529160B2 (en) 2001-07-18 2003-03-04 Fast Location.Net, Llc Method and system for determining carrier frequency offsets for positioning signals
US6515620B1 (en) 2001-07-18 2003-02-04 Fast Location.Net, Llc Method and system for processing positioning signals in a geometric mode
US6628234B2 (en) 2001-07-18 2003-09-30 Fast Location.Net, Llc Method and system for processing positioning signals in a stand-alone mode
US6882309B2 (en) 2001-07-18 2005-04-19 Fast Location. Net, Llc Method and system for processing positioning signals based on predetermined message data segment
US9052374B2 (en) 2001-07-18 2015-06-09 Fast Location.Net, Llc Method and system for processing positioning signals based on predetermined message data segment
GB0422179D0 (en) * 2004-10-06 2004-11-03 Sarantel Ltd Antenna feed structure
GB2420230B (en) 2004-11-11 2009-06-03 Sarantel Ltd A dielectrically-loaded antenna
TW200713693A (en) 2005-06-21 2007-04-01 Sarantel Ltd An antenna and an antenna feed structure
GB2437998B (en) 2006-05-12 2009-11-11 Sarantel Ltd An antenna system
GB2441566A (en) 2006-09-06 2008-03-12 Sarantel Ltd An antenna and its feed structure
GB2442998B (en) 2006-10-20 2010-01-06 Sarantel Ltd A dielectrically-loaded antenna
GB2444750B (en) 2006-12-14 2010-04-21 Sarantel Ltd An antenna arrangement
GB2444749B (en) 2006-12-14 2009-11-18 Sarantel Ltd A radio communication system
GB2449837B (en) 2006-12-20 2011-09-07 Sarantel Ltd A dielectrically-loaded antenna
CN104319460B (en) * 2014-10-11 2017-05-10 中国电子科技集团公司第二十研究所 Satellite navigation composite communication mast antenna

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB840850A (en) * 1955-07-19 1960-07-13 Telefunken Gmbh Improvements relating to high frequency aerial-arrangements
FR2654554B1 (en) * 1989-11-10 1992-07-31 France Etat ANTENNA IN PROPELLER, QUADRIFILAIRE, RESONANT BICOUCHE.
US5346300A (en) * 1991-07-05 1994-09-13 Sharp Kabushiki Kaisha Back fire helical antenna
US5349365A (en) * 1991-10-21 1994-09-20 Ow Steven G Quadrifilar helix antenna
CA2061743C (en) * 1992-02-24 1996-05-14 Peter Charles Strickland End loaded helix antenna
JPH07154137A (en) * 1993-11-29 1995-06-16 Mitsubishi Electric Corp Antenna

Also Published As

Publication number Publication date
GB2292257A8 (en)
GB2292257A (en) 1996-02-14
GB2292257B (en) 1999-04-07

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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)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20120614 AND 20120620

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20131128 AND 20131204

PE20 Patent expired after termination of 20 years

Expiry date: 20140621