CO4700365A1 - Antena coaxial de doble banda - Google Patents

Antena coaxial de doble banda

Info

Publication number
CO4700365A1
CO4700365A1 CO97051764A CO97051764A CO4700365A1 CO 4700365 A1 CO4700365 A1 CO 4700365A1 CO 97051764 A CO97051764 A CO 97051764A CO 97051764 A CO97051764 A CO 97051764A CO 4700365 A1 CO4700365 A1 CO 4700365A1
Authority
CO
Colombia
Prior art keywords
dielectric material
conductor
coaxial cable
stray
electrical length
Prior art date
Application number
CO97051764A
Other languages
English (en)
Spanish (es)
Inventor
Gerard James Hayes
Ross Warren Lampe
Original Assignee
Ericsson Inc
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 Ericsson Inc filed Critical Ericsson Inc
Publication of CO4700365A1 publication Critical patent/CO4700365A1/es

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
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/10—Resonant antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/362—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith for broadside radiating helical antennas
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/378—Combination of fed elements with parasitic elements
    • 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

Landscapes

  • Details Of Aerials (AREA)
CO97051764A 1996-09-05 1997-09-05 Antena coaxial de doble banda CO4700365A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US70657296A 1996-09-05 1996-09-05

Publications (1)

Publication Number Publication Date
CO4700365A1 true CO4700365A1 (es) 1998-12-29

Family

ID=24838178

Family Applications (1)

Application Number Title Priority Date Filing Date
CO97051764A CO4700365A1 (es) 1996-09-05 1997-09-05 Antena coaxial de doble banda

Country Status (8)

Country Link
KR (1) KR20000068463A (ko)
CN (1) CN1235704A (ko)
AR (1) AR009538A1 (ko)
AU (1) AU3828897A (ko)
CO (1) CO4700365A1 (ko)
DE (1) DE19781979T1 (ko)
ID (1) ID17740A (ko)
WO (1) WO1998010485A1 (ko)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5923305A (en) * 1997-09-15 1999-07-13 Ericsson Inc. Dual-band helix antenna with parasitic element and associated methods of operation
JPH11234026A (ja) 1997-12-18 1999-08-27 Whitaker Corp:The デュアルバンドアンテナ
US6336036B1 (en) 1998-07-08 2002-01-01 Ericsson Inc. Retractable dual-band tapped helical radiotelephone antennas
FI19992563A (fi) * 1999-11-30 2001-05-31 Nokia Mobile Phones Ltd Menetelmä ja antennijärjestely ulkoisten antennien kytkemiseksi kommunikointiyksikköön
DE10207703B4 (de) 2002-02-22 2005-06-09 Kathrein-Werke Kg Antenne für eine Empfangs- und/oder Sendeeinrichtung insbesondere als Dachantenne für Kraftfahrzeuge
US20050206578A1 (en) * 2002-04-04 2005-09-22 Byung-Hoon Ryou Dual band antenna
US6765536B2 (en) 2002-05-09 2004-07-20 Motorola, Inc. Antenna with variably tuned parasitic element
CN1825708B (zh) * 2005-02-24 2011-03-23 智易科技股份有限公司 电缆天线装置
EP1696508A1 (en) * 2005-02-28 2006-08-30 Arcadyan Technology Corp. Cable antenna structure
CN101647151B (zh) * 2007-03-08 2012-11-14 株式会社Mobitech 多频段内置天线
DE102007055234A1 (de) * 2007-11-20 2009-06-10 Continental Automotive Gmbh Mehrbandiges Empfangsantennenmodul
AT517809B1 (de) 2015-08-19 2017-11-15 Anton Paar Gmbh Mit Masterkraft werkzeuglos betätigbarer und eine Messsonde lösbar fixierender Fixiermechanismus für Rastersondenmikroskop

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4504834A (en) * 1982-12-22 1985-03-12 Motorola, Inc. Coaxial dipole antenna with extended effective aperture
US4494122A (en) * 1982-12-22 1985-01-15 Motorola, Inc. Antenna apparatus capable of resonating at two different frequencies
US4868576A (en) * 1988-11-02 1989-09-19 Motorola, Inc. Extendable antenna for portable cellular telephones with ground radiator
DE4321233A1 (de) * 1992-11-03 1994-05-05 Siemens Ag lambda/2-Antenne
US5617105A (en) * 1993-09-29 1997-04-01 Ntt Mobile Communications Network, Inc. Antenna equipment

Also Published As

Publication number Publication date
KR20000068463A (ko) 2000-11-25
WO1998010485A1 (en) 1998-03-12
AR009538A1 (es) 2000-04-26
CN1235704A (zh) 1999-11-17
DE19781979T1 (de) 1999-11-11
ID17740A (id) 1998-01-22
AU3828897A (en) 1998-03-26

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