DE69923558D1 - Wendelantenne - Google Patents

Wendelantenne

Info

Publication number
DE69923558D1
DE69923558D1 DE69923558T DE69923558T DE69923558D1 DE 69923558 D1 DE69923558 D1 DE 69923558D1 DE 69923558 T DE69923558 T DE 69923558T DE 69923558 T DE69923558 T DE 69923558T DE 69923558 D1 DE69923558 D1 DE 69923558D1
Authority
DE
Germany
Prior art keywords
wendel
antenna
wendel 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.)
Expired - Lifetime
Application number
DE69923558T
Other languages
English (en)
Other versions
DE69923558T2 (de
Inventor
Oliver Paul Leisten
Ebinotambong Agboraw
George Nicolaidis
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.)
Sarantel Ltd
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
Application filed by Sarantel Ltd filed Critical Sarantel Ltd
Publication of DE69923558D1 publication Critical patent/DE69923558D1/de
Application granted granted Critical
Publication of DE69923558T2 publication Critical patent/DE69923558T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01Q9/16—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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3827—Portable transceivers
    • H04B1/3833—Hand-held transceivers
    • 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
    • H01Q1/12—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
    • H01Q1/245—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 means for shaping the antenna pattern, e.g. in order to protect user against rf exposure
    • 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
    • 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
    • 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
    • H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
    • H01Q5/357—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Details Of Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Waveguide Aerials (AREA)
  • Support Of Aerials (AREA)
  • Transceivers (AREA)
DE69923558T 1998-06-16 1999-06-14 Wendelantenne Expired - Lifetime DE69923558T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9813002 1998-06-16
GBGB9813002.4A GB9813002D0 (en) 1998-06-16 1998-06-16 An antenna
PCT/GB1999/001869 WO1999066591A1 (en) 1998-06-16 1999-06-14 Helix antenna

Publications (2)

Publication Number Publication Date
DE69923558D1 true DE69923558D1 (de) 2005-03-10
DE69923558T2 DE69923558T2 (de) 2006-03-30

Family

ID=10833879

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69923558T Expired - Lifetime DE69923558T2 (de) 1998-06-16 1999-06-14 Wendelantenne

Country Status (8)

Country Link
US (1) US6690336B1 (de)
EP (1) EP1088367B1 (de)
JP (1) JP4052800B2 (de)
KR (1) KR100667221B1 (de)
DE (1) DE69923558T2 (de)
ES (1) ES2234285T3 (de)
GB (2) GB9813002D0 (de)
WO (1) WO1999066591A1 (de)

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US8638504B2 (en) * 2008-05-30 2014-01-28 The Invention Science Fund I Llc Emitting and negatively-refractive focusing apparatus, methods, and systems
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Also Published As

Publication number Publication date
EP1088367B1 (de) 2005-02-02
ES2234285T3 (es) 2005-06-16
GB2338605A (en) 1999-12-22
WO1999066591A1 (en) 1999-12-23
EP1088367A1 (de) 2001-04-04
GB2338605B (en) 2003-06-18
DE69923558T2 (de) 2006-03-30
US6690336B1 (en) 2004-02-10
JP4052800B2 (ja) 2008-02-27
KR100667221B1 (ko) 2007-01-12
GB9913831D0 (en) 1999-08-11
JP2002518921A (ja) 2002-06-25
KR20010052967A (ko) 2001-06-25
GB9813002D0 (en) 1998-08-12

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