DE19781979T1 - Two-band coaxial antenna - Google Patents

Two-band coaxial antenna

Info

Publication number
DE19781979T1
DE19781979T1 DE19781979T DE19781979T DE19781979T1 DE 19781979 T1 DE19781979 T1 DE 19781979T1 DE 19781979 T DE19781979 T DE 19781979T DE 19781979 T DE19781979 T DE 19781979T DE 19781979 T1 DE19781979 T1 DE 19781979T1
Authority
DE
Germany
Prior art keywords
coaxial antenna
band coaxial
band
antenna
coaxial
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Withdrawn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
DE19781979T
Other languages
German (de)
Inventor
Gerard James Hayes
Ross Warren Lampe
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.)
Ericsson Inc
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 DE19781979T1 publication Critical patent/DE19781979T1/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Withdrawn legal-status Critical Current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
    • H01Q9/30—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
DE19781979T 1996-09-05 1997-08-12 Two-band coaxial antenna Withdrawn DE19781979T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US70657296A 1996-09-05 1996-09-05
PCT/US1997/013927 WO1998010485A1 (en) 1996-09-05 1997-08-12 Coaxial dual-band antenna

Publications (1)

Publication Number Publication Date
DE19781979T1 true DE19781979T1 (en) 1999-11-11

Family

ID=24838178

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19781979T Withdrawn DE19781979T1 (en) 1996-09-05 1997-08-12 Two-band coaxial antenna

Country Status (8)

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

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 (en) 1997-12-18 1999-08-27 Whitaker Corp:The Dual-band antenna
US6336036B1 (en) 1998-07-08 2002-01-01 Ericsson Inc. Retractable dual-band tapped helical radiotelephone antennas
FI19992563A (en) * 1999-11-30 2001-05-31 Nokia Mobile Phones Ltd Method and antenna arrangement for connecting external antennas to the communication unit
DE10207703B4 (en) 2002-02-22 2005-06-09 Kathrein-Werke Kg Antenna for a receiving and / or transmitting device, in particular as a roof antenna for motor vehicles
CN100388561C (en) * 2002-04-04 2008-05-14 株式会社Emw天线 Dual band antenna
US6765536B2 (en) 2002-05-09 2004-07-20 Motorola, Inc. Antenna with variably tuned parasitic element
CN1825708B (en) * 2005-02-24 2011-03-23 智易科技股份有限公司 Cable antenna device
EP1696508A1 (en) * 2005-02-28 2006-08-30 Arcadyan Technology Corp. Cable antenna structure
EP2122752B1 (en) 2007-03-08 2013-01-16 Ace Antenna Corp. Multi band built-in antenna
DE102007055234A1 (en) * 2007-11-20 2009-06-10 Continental Automotive Gmbh Multi-band receiving antenna module
AT517809B1 (en) 2015-08-19 2017-11-15 Anton Paar Gmbh Fixing mechanism for scanning probe microscope that can be actuated without tools by a master power and a probe releasably fixing

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 (en) * 1992-11-03 1994-05-05 Siemens Ag Half wave antenna esp. for mobile radio - has coaxial supply line arrangement with aerial proper formed by screen element and inner conductor
US5617105A (en) * 1993-09-29 1997-04-01 Ntt Mobile Communications Network, Inc. Antenna equipment

Also Published As

Publication number Publication date
AU3828897A (en) 1998-03-26
ID17740A (en) 1998-01-22
CO4700365A1 (en) 1998-12-29
AR009538A1 (en) 2000-04-26
KR20000068463A (en) 2000-11-25
CN1235704A (en) 1999-11-17
WO1998010485A1 (en) 1998-03-12

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Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee