DE69531442T2 - Mit einer Last an der Spitze versehene versenkbare Antenne - Google Patents

Mit einer Last an der Spitze versehene versenkbare Antenne Download PDF

Info

Publication number
DE69531442T2
DE69531442T2 DE69531442T DE69531442T DE69531442T2 DE 69531442 T2 DE69531442 T2 DE 69531442T2 DE 69531442 T DE69531442 T DE 69531442T DE 69531442 T DE69531442 T DE 69531442T DE 69531442 T2 DE69531442 T2 DE 69531442T2
Authority
DE
Germany
Prior art keywords
antenna
helical
antenna assembly
elongated
assembly according
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
DE69531442T
Other languages
German (de)
English (en)
Other versions
DE69531442D1 (de
Inventor
Brian James Woking Davidson
Stephen Frimley Green Goodwin
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.)
Nokia Oyj
Nokia Inc
Original Assignee
Nokia Oyj
Nokia 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 Nokia Oyj, Nokia Inc filed Critical Nokia Oyj
Publication of DE69531442D1 publication Critical patent/DE69531442D1/de
Application granted granted Critical
Publication of DE69531442T2 publication Critical patent/DE69531442T2/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
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • 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
    • H01Q1/244—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 extendable from a housing along a given path
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Details Of Aerials (AREA)
  • Support Of Aerials (AREA)
DE69531442T 1994-12-23 1995-11-24 Mit einer Last an der Spitze versehene versenkbare Antenne Expired - Lifetime DE69531442T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9426229A GB2296603B (en) 1994-12-23 1994-12-23 Retractable top load antenna
GB9426229 1994-12-23

Publications (2)

Publication Number Publication Date
DE69531442D1 DE69531442D1 (de) 2003-09-11
DE69531442T2 true DE69531442T2 (de) 2004-06-24

Family

ID=10766593

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69531442T Expired - Lifetime DE69531442T2 (de) 1994-12-23 1995-11-24 Mit einer Last an der Spitze versehene versenkbare Antenne

Country Status (4)

Country Link
EP (1) EP0718909B1 (enrdf_load_stackoverflow)
JP (1) JPH08237013A (enrdf_load_stackoverflow)
DE (1) DE69531442T2 (enrdf_load_stackoverflow)
GB (1) GB2296603B (enrdf_load_stackoverflow)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5812093A (en) * 1995-09-29 1998-09-22 Motorola, Inc. Antenna assembly for a wireless-communication device
JP2692670B2 (ja) * 1995-12-28 1997-12-17 日本電気株式会社 携帯無線機用アンテナ
SE509641C2 (sv) * 1996-05-03 1999-02-15 Allgon Ab En antennanordning försedd med en matchningsanordning
US5706019A (en) * 1996-06-19 1998-01-06 Motorola, Inc. Integral antenna assembly for a radio and method of manufacturing
JPH1032410A (ja) * 1996-07-12 1998-02-03 Saitama Nippon Denki Kk 携帯無線機用アンテナ
FI113214B (fi) * 1997-01-24 2004-03-15 Filtronic Lk Oy Yksinkertainen kahden taajuuden antenni
DE19715726C2 (de) * 1997-04-15 2001-08-30 Siemens Ag Antennenvorrichtung für Mobilfunkgeräte
US5969683A (en) * 1997-05-20 1999-10-19 Ericsson Inc. Radiotelephones with antenna matching switching system configurations
US5856808A (en) * 1997-09-29 1999-01-05 Ericsson Inc. Single feed point matching systems
US6097934A (en) * 1997-12-31 2000-08-01 Ericsson Inc. Retractable radiotelephone antennas with extended feeds
US6204816B1 (en) * 1998-03-20 2001-03-20 Ericsson, Inc. Radio frequency antenna
SE9900412D0 (sv) * 1998-04-01 1999-02-08 Allgon Ab Antenna means, a method for its manufacturing and a hand-held radio communication device
US6336036B1 (en) 1998-07-08 2002-01-01 Ericsson Inc. Retractable dual-band tapped helical radiotelephone antennas
GB2364176A (en) * 2000-06-30 2002-01-16 Nokia Mobile Phones Ltd Multi-mode antenna
EP1478046A1 (en) * 2003-05-12 2004-11-17 Sony International (Europe) GmbH Load structure for an antenna

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU1838850C (ru) 1988-11-02 1993-08-30 Моторола, Инк. Выдвижна антенна система дл портативного приемопередатчика
DK168346B1 (da) * 1991-03-19 1994-03-14 Dancall Telecom As Antennekonstruktion med udtrækkeligt antenneelement
GB2257835B (en) * 1991-07-13 1995-10-11 Technophone Ltd Retractable antenna
JP2574256Y2 (ja) * 1993-02-19 1998-06-11 松下電器産業株式会社 アンテナ装置
EP0613206B1 (en) * 1993-02-25 1998-04-29 Nec Corporation Antenna for a radio communication apparatus
JP2520557B2 (ja) * 1993-02-26 1996-07-31 日本電気株式会社 無線機用アンテナ

Also Published As

Publication number Publication date
GB9426229D0 (en) 1995-02-22
JPH08237013A (ja) 1996-09-13
GB2296603B (en) 1999-02-17
DE69531442D1 (de) 2003-09-11
GB2296603A (en) 1996-07-03
EP0718909A2 (en) 1996-06-26
EP0718909A3 (enrdf_load_stackoverflow) 1996-08-07
EP0718909B1 (en) 2003-08-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: BECKER, KURIG, STRAUS, 80336 MUENCHEN