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AU5435190A - Duplexing antenna for portable radio transceiver - Google Patents

Duplexing antenna for portable radio transceiver

Info

Publication number
AU5435190A
AU5435190A AU54351/90A AU5435190A AU5435190A AU 5435190 A AU5435190 A AU 5435190A AU 54351/90 A AU54351/90 A AU 54351/90A AU 5435190 A AU5435190 A AU 5435190A AU 5435190 A AU5435190 A AU 5435190A
Authority
AU
Australia
Prior art keywords
radio transceiver
portable radio
duplexing
antenna
duplexing antenna
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.)
Abandoned
Application number
AU54351/90A
Inventor
Paul L. Camwell
Andrew E. Mcgirr
John G. Mcrory
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.)
Novatel Inc
Original Assignee
Novatel Communications 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 Novatel Communications Ltd filed Critical Novatel Communications Ltd
Publication of AU5435190A publication Critical patent/AU5435190A/en
Abandoned 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
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/0442—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular tuning means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
    • H01Q1/525—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas between emitting and receiving antennas

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Waveguide Aerials (AREA)
  • Transceivers (AREA)
AU54351/90A 1989-04-18 1990-04-17 Duplexing antenna for portable radio transceiver Abandoned AU5435190A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US33957389A 1989-04-18 1989-04-18
US339573 1989-04-18

Publications (1)

Publication Number Publication Date
AU5435190A true AU5435190A (en) 1990-11-16

Family

ID=23329662

Family Applications (1)

Application Number Title Priority Date Filing Date
AU54351/90A Abandoned AU5435190A (en) 1989-04-18 1990-04-17 Duplexing antenna for portable radio transceiver

Country Status (3)

Country Link
AU (1) AU5435190A (en)
CA (1) CA2014629A1 (en)
WO (1) WO1990013152A1 (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5400041A (en) * 1991-07-26 1995-03-21 Strickland; Peter C. Radiating element incorporating impedance transformation capabilities
GB9226202D0 (en) * 1992-12-16 1993-02-10 Univ Bradford Improvements on or relating to portable phones
JPH08510621A (en) * 1994-03-08 1996-11-05 セテルコ セルラー テレフォーン カンパニー アー／エス Handy transmitter / receiver
DE9410296U1 (en) * 1994-06-24 1995-07-20 Siemens AG, 80333 München Handheld radio
TW295733B (en) * 1994-09-15 1997-01-11 Motorola Inc
GB2312791A (en) * 1996-05-02 1997-11-05 Northern Telecom Ltd Antenna array assembly
US5920292A (en) * 1996-12-20 1999-07-06 Ericsson Inc. L-band quadrifilar helix antenna
US5896113A (en) * 1996-12-20 1999-04-20 Ericsson Inc. Quadrifilar helix antenna systems and methods for broadband operation in separate transmit and receive frequency bands
US5909196A (en) * 1996-12-20 1999-06-01 Ericsson Inc. Dual frequency band quadrifilar helix antenna systems and methods
FI113212B (en) * 1997-07-08 2004-03-15 Nokia Corp Dual resonant antenna design for multiple frequency ranges
US6314275B1 (en) 1997-08-19 2001-11-06 Telit Mobile Terminals, S.P.A. Hand-held transmitting and/or receiving apparatus
US6198446B1 (en) * 1999-01-19 2001-03-06 Trw Inc. Dual-feed system for a multifunction, conformal, loadearing structure excitation antenna
US6268831B1 (en) 2000-04-04 2001-07-31 Ericsson Inc. Inverted-f antennas with multiple planar radiating elements and wireless communicators incorporating same
SE516842C2 (en) * 2000-07-10 2002-03-12 Allgon Ab Antenna device for a portable radio communication device
SE0004724D0 (en) 2000-07-10 2000-12-20 Allgon Ab Antenna device
FR2812766B1 (en) * 2000-08-01 2006-10-06 Sagem ANTENNA WITH SURFACE (S) RADIANT (S) PLANE (S) AND PORTABLE TELEPHONE COMPRISING SUCH ANTENNA
WO2009136876A1 (en) 2008-05-06 2009-11-12 Vinko Kunc Arrangement of a transmitting antenna and a receiving antenna
WO2017159184A1 (en) 2016-03-17 2017-09-21 パナソニックＩｐマネジメント株式会社 Wireless module and image display device
US10826181B2 (en) 2017-07-11 2020-11-03 Sensus Spectrum, Llc Hybrid patch antennas, antenna element boards and related devices
FR3084779B1 (en) * 2018-08-02 2022-01-21 Commissariat Energie Atomique ANTENNA DEVICE COMPRISING AT LEAST TWO ANTENNAS WITH THE SAME ELECTRICAL CONNECTION SUBSTRATE
CN115395207B (en) * 2021-05-24 2025-10-03 华为技术有限公司 Wearable electronic devices

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2947987A (en) * 1958-05-05 1960-08-02 Itt Antenna decoupling arrangement
US4074270A (en) * 1976-08-09 1978-02-14 The United States Of America As Represented By The Secretary Of The Navy Multiple frequency microstrip antenna assembly
US4486722A (en) * 1982-02-18 1984-12-04 Rockwell International Corporation Pin diode switched impedance matching network having diode driver circuits transparent to RF potential
US4521781A (en) * 1983-04-12 1985-06-04 The United States Of America As Represented By The Secretary Of The Army Phase scanned microstrip array antenna
JPS6187434A (en) * 1984-10-04 1986-05-02 Nec Corp Portable radio equipment

Also Published As

Publication number Publication date
CA2014629A1 (en) 1990-10-18
WO1990013152A1 (en) 1990-11-01

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