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WO1999043037A3 - Uniplanar dual strip antenna - Google Patents

Uniplanar dual strip antenna Download PDF

Info

Publication number
WO1999043037A3
WO1999043037A3 PCT/US1999/003528 US9903528W WO9943037A3 WO 1999043037 A3 WO1999043037 A3 WO 1999043037A3 US 9903528 W US9903528 W US 9903528W WO 9943037 A3 WO9943037 A3 WO 9943037A3
Authority
WO
WIPO (PCT)
Prior art keywords
strip antenna
antenna
uniplanar dual
dual strip
waveguide
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.)
Ceased
Application number
PCT/US1999/003528
Other languages
French (fr)
Other versions
WO1999043037A2 (en
Inventor
Allen Tran
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.)
Qualcomm Inc
Original Assignee
Qualcomm 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
Priority to EP99908248A priority Critical patent/EP1072064B1/en
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Priority to AU27729/99A priority patent/AU2772999A/en
Priority to BR9908158-0A priority patent/BR9908158A/en
Priority to CA002321788A priority patent/CA2321788C/en
Priority to JP2000532877A priority patent/JP4259760B2/en
Priority to DE69937048T priority patent/DE69937048T2/en
Priority claimed from US09/252,732 external-priority patent/US6259407B1/en
Priority to HK01105734.9A priority patent/HK1035073B/en
Publication of WO1999043037A2 publication Critical patent/WO1999043037A2/en
Publication of WO1999043037A3 publication Critical patent/WO1999043037A3/en
Priority to FI20001826A priority patent/FI117580B/en
Anticipated expiration legal-status Critical
Ceased 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
    • H01Q9/42—Resonant antennas with feed to end of elongated active element, e.g. unipole with folded element, the folded parts being spaced apart a small fraction of the operating wavelength
    • 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
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • 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
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/48—Earthing means; Earth screens; Counterpoises
    • 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
    • H01Q9/0414—Substantially flat resonant element parallel to ground plane, e.g. patch antenna in a stacked or folded configuration
    • 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
    • H01Q9/0421—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with a shorting wall or a shorting pin at one end of the element
    • 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
    • H01Q9/0471—Non-planar, stepped or wedge-shaped patch
    • 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
    • H01Q9/06—Details
    • H01Q9/065—Microstrip dipole antennas

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Support Of Aerials (AREA)
  • Details Of Aerials (AREA)
  • Waveguide Aerials (AREA)

Abstract

A uniplanar dual strip antenna (400) that has a two-dimensional structure. The antenna is comprised of a first and a second metallic strip (404, 408), each printed or etched on a thin planar substrate (412). The first and second strips (404, 408) are separated by a predetermined gap (T) and are used as conductors of a two-wire transmission line. A coplanar waveguide (416, 1520) is coupled to the uniplanar dual strip antenna (400). The coplanar waveguide (416, 1520) is constructed by printing or etching metal on the substrate. The positive terminal (420, 1522) of the waveguide is electrically connected to the first strip. The negative terminal (424, 428) of the waveguide is electrically connected to both the first and second strips. The uniplanar dual strip antenna (400) according to the present invention provides an increase in bandwidth over typical quarter wavelength or half wavelength patch antennas. Experimental results have shown that the uniplanar dual strip antenna (400) has a bandwidth of approximately 8 - 20 % that is extremely desirable for PCs and cellular phones.
PCT/US1999/003528 1998-02-23 1999-02-19 Uniplanar dual strip antenna Ceased WO1999043037A2 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
HK01105734.9A HK1035073B (en) 1998-02-23 1999-02-19 Uniplanar dual strip antenna
AU27729/99A AU2772999A (en) 1998-02-23 1999-02-19 Uniplanar dual strip antenna
BR9908158-0A BR9908158A (en) 1998-02-23 1999-02-19 Two-band uniplanar antenna
CA002321788A CA2321788C (en) 1998-02-23 1999-02-19 Uniplanar dual strip antenna
JP2000532877A JP4259760B2 (en) 1998-02-23 1999-02-19 One plane dual strip antenna
EP99908248A EP1072064B1 (en) 1998-02-23 1999-02-19 Uniplanar dual strip antenna
DE69937048T DE69937048T2 (en) 1998-02-23 1999-02-19 UNIPLANAR ANTENNA WITH TWO STRIPES
FI20001826A FI117580B (en) 1998-02-23 2000-08-17 Single strip antenna with double strip

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US7578098P 1998-02-23 1998-02-23
US60/075,780 1998-02-23
US09/252,732 1999-02-19
US09/252,732 US6259407B1 (en) 1999-02-19 1999-02-19 Uniplanar dual strip antenna

Publications (2)

Publication Number Publication Date
WO1999043037A2 WO1999043037A2 (en) 1999-08-26
WO1999043037A3 true WO1999043037A3 (en) 1999-10-07

Family

ID=26757270

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1999/003528 Ceased WO1999043037A2 (en) 1998-02-23 1999-02-19 Uniplanar dual strip antenna

Country Status (10)

Country Link
EP (1) EP1072064B1 (en)
JP (1) JP4259760B2 (en)
KR (1) KR100683991B1 (en)
CN (1) CN1186852C (en)
AU (1) AU2772999A (en)
BR (1) BR9908158A (en)
CA (1) CA2321788C (en)
DE (1) DE69937048T2 (en)
FI (1) FI117580B (en)
WO (1) WO1999043037A2 (en)

Families Citing this family (171)

* Cited by examiner, † Cited by third party
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CA2321788A1 (en) 1999-08-26
DE69937048D1 (en) 2007-10-18
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KR20010041218A (en) 2001-05-15
FI117580B (en) 2006-11-30
JP4259760B2 (en) 2009-04-30
KR100683991B1 (en) 2007-02-20
EP1072064A2 (en) 2001-01-31
AU2772999A (en) 1999-09-06
CN1186852C (en) 2005-01-26
WO1999043037A2 (en) 1999-08-26
HK1035073A1 (en) 2001-11-09
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FI20001826L (en) 2000-10-23
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CN1299525A (en) 2001-06-13
CA2321788C (en) 2008-02-12

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