AU640787B2 - Antenna for portable radio equipment - Google Patents

Antenna for portable radio equipment Download PDF

Info

Publication number
AU640787B2
AU640787B2 AU78041/91A AU7804191A AU640787B2 AU 640787 B2 AU640787 B2 AU 640787B2 AU 78041/91 A AU78041/91 A AU 78041/91A AU 7804191 A AU7804191 A AU 7804191A AU 640787 B2 AU640787 B2 AU 640787B2
Authority
AU
Australia
Prior art keywords
antenna
retracted
extended
body section
long
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
AU78041/91A
Other languages
English (en)
Other versions
AU7804191A (en
Inventor
Hiroyuki Iwasaki
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Publication of AU7804191A publication Critical patent/AU7804191A/en
Application granted granted Critical
Publication of AU640787B2 publication Critical patent/AU640787B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/08—Means for collapsing antennas or parts thereof
    • H01Q1/10—Telescopic elements
    • 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
    • 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)
  • Transceivers (AREA)
AU78041/91A 1990-05-29 1991-05-29 Antenna for portable radio equipment Ceased AU640787B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP13712590A JPH0432305A (ja) 1990-05-29 1990-05-29 アンテナ
JP2-137125 1990-05-29

Publications (2)

Publication Number Publication Date
AU7804191A AU7804191A (en) 1991-12-05
AU640787B2 true AU640787B2 (en) 1993-09-02

Family

ID=15191406

Family Applications (1)

Application Number Title Priority Date Filing Date
AU78041/91A Ceased AU640787B2 (en) 1990-05-29 1991-05-29 Antenna for portable radio equipment

Country Status (5)

Country Link
EP (1) EP0459391B1 (fr)
JP (1) JPH0432305A (fr)
AU (1) AU640787B2 (fr)
CA (1) CA2043321C (fr)
DE (1) DE69124714T2 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2703670B2 (ja) * 1991-04-12 1998-01-26 三菱電機株式会社 アンテナ装置
JP2503856B2 (ja) * 1993-01-29 1996-06-05 日本電気株式会社 携帯無線機用アンテナ
US5717408A (en) * 1995-12-18 1998-02-10 Centurion International, Inc. Retractable antenna for a cellular telephone
KR100285950B1 (ko) * 1997-12-26 2001-04-16 윤종용 인체의영향을최소화시키는휴대용전화기의안테나회로를구현하는방법
KR100605817B1 (ko) * 2004-06-01 2006-08-01 삼성전자주식회사 슬라이딩 타입 휴대용 단말기의 안테나 장치
CN101740849B (zh) * 2010-01-26 2013-06-12 华为终端有限公司 多频段天线

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4860024A (en) * 1987-12-28 1989-08-22 Harada Kogyo Kabushiki Kaisha Antenna for a portable radiotelephone
GB2213998A (en) * 1987-12-23 1989-08-23 Technophone Ltd Antenna, connector and impedance matching network assembly
US4868576A (en) * 1988-11-02 1989-09-19 Motorola, Inc. Extendable antenna for portable cellular telephones with ground radiator

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6094507A (ja) * 1983-10-28 1985-05-27 Fujitsu Ten Ltd 可変長ホイツプアンテナ
JPS63173934U (fr) * 1987-04-30 1988-11-11
JP2756672B2 (ja) * 1987-12-25 1998-05-25 日本アンテナ株式会社 多周波共用アンテナ
US4847629A (en) * 1988-08-03 1989-07-11 Alliance Research Corporation Retractable cellular antenna

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2213998A (en) * 1987-12-23 1989-08-23 Technophone Ltd Antenna, connector and impedance matching network assembly
US4860024A (en) * 1987-12-28 1989-08-22 Harada Kogyo Kabushiki Kaisha Antenna for a portable radiotelephone
US4868576A (en) * 1988-11-02 1989-09-19 Motorola, Inc. Extendable antenna for portable cellular telephones with ground radiator

Also Published As

Publication number Publication date
DE69124714T2 (de) 1997-06-26
EP0459391A3 (en) 1992-03-04
AU7804191A (en) 1991-12-05
EP0459391B1 (fr) 1997-02-19
DE69124714D1 (de) 1997-03-27
CA2043321C (fr) 1997-08-19
EP0459391A2 (fr) 1991-12-04
CA2043321A1 (fr) 1991-11-30
JPH0432305A (ja) 1992-02-04

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired