EE9900418A - Muudetava elektrilise pikkusega väljatõmmatav antenn - Google Patents

Muudetava elektrilise pikkusega väljatõmmatav antenn

Info

Publication number
EE9900418A
EE9900418A EEP199900418A EEP9900418A EE9900418A EE 9900418 A EE9900418 A EE 9900418A EE P199900418 A EEP199900418 A EE P199900418A EE P9900418 A EEP9900418 A EE P9900418A EE 9900418 A EE9900418 A EE 9900418A
Authority
EE
Estonia
Prior art keywords
electrical length
variable electrical
retractable antenna
retractable
antenna
Prior art date
Application number
EEP199900418A
Other languages
English (en)
Inventor
Svensson Anders
Original Assignee
Telefonaktiebolaget Lm Ericsson (Publ)
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 Telefonaktiebolaget Lm Ericsson (Publ) filed Critical Telefonaktiebolaget Lm Ericsson (Publ)
Publication of EE9900418A publication Critical patent/EE9900418A/et
Publication of EE03538B1 publication Critical patent/EE03538B1/et

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Support Of Aerials (AREA)
  • Details Of Aerials (AREA)
  • Telephone Set Structure (AREA)
EEP199900418A 1997-03-24 1998-03-19 Muudetava elektrilise pikkusega väljatõmmatav antenn EE03538B1 (et)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9701056A SE518575C2 (sv) 1997-03-24 1997-03-24 Skjutbar antenn med skiftande elektrisk längd
PCT/SE1998/000495 WO1998043312A1 (en) 1997-03-24 1998-03-19 Retractable antenna with shifting electrical length

Publications (2)

Publication Number Publication Date
EE9900418A true EE9900418A (et) 2000-04-17
EE03538B1 EE03538B1 (et) 2001-10-15

Family

ID=20406273

Family Applications (1)

Application Number Title Priority Date Filing Date
EEP199900418A EE03538B1 (et) 1997-03-24 1998-03-19 Muudetava elektrilise pikkusega väljatõmmatav antenn

Country Status (11)

Country Link
US (1) US5999133A (et)
EP (1) EP0970535B1 (et)
CN (1) CN1113426C (et)
AU (1) AU6530398A (et)
BR (1) BR9808040A (et)
DE (1) DE69824280D1 (et)
EE (1) EE03538B1 (et)
HK (1) HK1027438A1 (et)
MY (1) MY118616A (et)
SE (1) SE518575C2 (et)
WO (1) WO1998043312A1 (et)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19715726C2 (de) * 1997-04-15 2001-08-30 Siemens Ag Antennenvorrichtung für Mobilfunkgeräte
US6336036B1 (en) * 1998-07-08 2002-01-01 Ericsson Inc. Retractable dual-band tapped helical radiotelephone antennas
KR100539888B1 (ko) * 1998-11-19 2006-03-22 삼성전자주식회사 무선단말기의휩안테나구조
JP3492613B2 (ja) * 2000-04-14 2004-02-03 埼玉日本電気株式会社 携帯無線機用アンテナ
CA2791908C (en) * 2010-03-05 2015-01-27 Minnetronix Inc. Portable controller with integral power source for mechanical circulation support systems

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5204687A (en) * 1990-07-19 1993-04-20 Galtronics Ltd. Electrical device and electrical transmitter-receiver particularly useful in a ct2 cordless telephone
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
JP2520557B2 (ja) * 1993-02-26 1996-07-31 日本電気株式会社 無線機用アンテナ
EP0634806A1 (en) * 1993-07-13 1995-01-18 Kabushiki Kaisha Yokowo Radio antenna
JP2944444B2 (ja) * 1995-01-12 1999-09-06 日本電気株式会社 携帯無線機
KR0162679B1 (ko) * 1995-03-22 1998-12-01 구관영 용량성 결합방식을 이용한 신축 가능형 안테나
FI97499C (fi) * 1995-04-07 1996-12-27 Nokia Mobile Phones Ltd Kaksitoiminen antenni
US5717408A (en) * 1995-12-18 1998-02-10 Centurion International, Inc. Retractable antenna for a cellular telephone
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
US5835065A (en) * 1996-09-19 1998-11-10 Qualcomm Incorporated Variable length whip with helix antenna system

Also Published As

Publication number Publication date
EE03538B1 (et) 2001-10-15
CN1251218A (zh) 2000-04-19
AU6530398A (en) 1998-10-20
US5999133A (en) 1999-12-07
WO1998043312A1 (en) 1998-10-01
EP0970535A1 (en) 2000-01-12
EP0970535B1 (en) 2004-06-02
HK1027438A1 (en) 2001-01-12
SE9701056L (sv) 1998-09-25
SE518575C2 (sv) 2002-10-22
DE69824280D1 (de) 2004-07-08
MY118616A (en) 2004-12-31
CN1113426C (zh) 2003-07-02
SE9701056D0 (sv) 1997-03-24
BR9808040A (pt) 2000-03-08

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Legal Events

Date Code Title Description
KB4A Valid patent at the end of a year

Effective date: 20021231

KB4A Valid patent at the end of a year

Effective date: 20031231

HE1A Change of address
KB4A Valid patent at the end of a year

Effective date: 20041231

KB4A Valid patent at the end of a year

Effective date: 20051231

KB4A Valid patent at the end of a year

Effective date: 20061231

MM4A Lapsed by not paying the annual fees

Effective date: 20070319