ATE242550T1 - Antenne für frequenzen über 200 mhz - Google Patents

Antenne für frequenzen über 200 mhz

Info

Publication number
ATE242550T1
ATE242550T1 AT97900334T AT97900334T ATE242550T1 AT E242550 T1 ATE242550 T1 AT E242550T1 AT 97900334 T AT97900334 T AT 97900334T AT 97900334 T AT97900334 T AT 97900334T AT E242550 T1 ATE242550 T1 AT E242550T1
Authority
AT
Austria
Prior art keywords
core
antenna
central axis
feeder structure
mhz
Prior art date
Application number
AT97900334T
Other languages
English (en)
Inventor
Oliver Paul Leisten
Original Assignee
Sarantel 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
Priority claimed from GBGB9601250.5A external-priority patent/GB9601250D0/en
Application filed by Sarantel Ltd filed Critical Sarantel Ltd
Application granted granted Critical
Publication of ATE242550T1 publication Critical patent/ATE242550T1/de

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q11/00Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
    • H01Q11/02Non-resonant antennas, e.g. travelling-wave antenna
    • H01Q11/08Helical antennas

Landscapes

  • Details Of Aerials (AREA)
  • Support Of Aerials (AREA)
  • Transceivers (AREA)
  • Telephone Set Structure (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Burglar Alarm Systems (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Aerials With Secondary Devices (AREA)
  • Waveguide Aerials (AREA)
AT97900334T 1996-01-23 1997-01-10 Antenne für frequenzen über 200 mhz ATE242550T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9601250.5A GB9601250D0 (en) 1996-01-23 1996-01-23 An antenna
GB9610581A GB2309592B (en) 1996-01-23 1996-05-21 An Antenna
PCT/GB1997/000085 WO1997027642A1 (en) 1996-01-23 1997-01-10 ANTENNA FOR FREQUENCIES IN EXCESS OF 200 MHz

Publications (1)

Publication Number Publication Date
ATE242550T1 true ATE242550T1 (de) 2003-06-15

Family

ID=26308506

Family Applications (1)

Application Number Title Priority Date Filing Date
AT97900334T ATE242550T1 (de) 1996-01-23 1997-01-10 Antenne für frequenzen über 200 mhz

Country Status (8)

Country Link
EP (1) EP0876688B1 (de)
JP (1) JP4467642B2 (de)
CN (1) CN1099721C (de)
AT (1) ATE242550T1 (de)
AU (1) AU720873B2 (de)
CA (1) CA2245882C (de)
DE (1) DE69722590T2 (de)
WO (1) WO1997027642A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE19923524C1 (de) * 1999-05-21 2001-04-19 Siemens Ag Verfahren zur Herstellung einer Antenne für Sende-/Empfangseinrichtungen
GB9912441D0 (en) * 1999-05-27 1999-07-28 Symmetricon Inc An antenna
GB2420230B (en) * 2004-11-11 2009-06-03 Sarantel Ltd A dielectrically-loaded antenna
GB2444749B (en) * 2006-12-14 2009-11-18 Sarantel Ltd A radio communication system
KR100821981B1 (ko) * 2007-02-02 2008-04-15 이성철 무지향성 안테나
DE102013201685B4 (de) * 2013-02-01 2019-04-04 Siemens Healthcare Gmbh Leiteranordnung mit dielektrischer Mantelwellensperre
CN115693106A (zh) * 2022-11-10 2023-02-03 星启空间(南通)通信设备有限公司 一种卫星及星载天线

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4442438A (en) * 1982-03-29 1984-04-10 Motorola, Inc. Helical antenna structure capable of resonating at two different frequencies
US5346300A (en) * 1991-07-05 1994-09-13 Sharp Kabushiki Kaisha Back fire helical antenna
US5708445A (en) * 1993-01-29 1998-01-13 Motorola, Inc. Antenna assembly for radio circuit and method therefor
GB9417450D0 (en) * 1994-08-25 1994-10-19 Symmetricom Inc An antenna

Also Published As

Publication number Publication date
CN1214151A (zh) 1999-04-14
DE69722590T2 (de) 2004-05-06
CA2245882A1 (en) 1997-07-31
EP0876688B1 (de) 2003-06-04
CA2245882C (en) 2004-11-09
AU720873B2 (en) 2000-06-15
EP0876688A1 (de) 1998-11-11
WO1997027642A1 (en) 1997-07-31
DE69722590D1 (de) 2003-07-10
JP4467642B2 (ja) 2010-05-26
CN1099721C (zh) 2003-01-22
AU1391997A (en) 1997-08-20
JP2000506690A (ja) 2000-05-30

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties