EP0459391A3 - Antenna for portable radio equipment - Google Patents

Antenna for portable radio equipment Download PDF

Info

Publication number
EP0459391A3
EP0459391A3 EP19910108683 EP91108683A EP0459391A3 EP 0459391 A3 EP0459391 A3 EP 0459391A3 EP 19910108683 EP19910108683 EP 19910108683 EP 91108683 A EP91108683 A EP 91108683A EP 0459391 A3 EP0459391 A3 EP 0459391A3
Authority
EP
European Patent Office
Prior art keywords
antenna
portable radio
radio equipment
equipment
portable
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.)
Granted
Application number
EP19910108683
Other versions
EP0459391B1 (en
EP0459391A2 (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 EP0459391A2 publication Critical patent/EP0459391A2/en
Publication of EP0459391A3 publication Critical patent/EP0459391A3/en
Application granted granted Critical
Publication of EP0459391B1 publication Critical patent/EP0459391B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
EP91108683A 1990-05-29 1991-05-28 Antenna for portable radio equipment Expired - Lifetime EP0459391B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP137125/90 1990-05-29
JP13712590A JPH0432305A (en) 1990-05-29 1990-05-29 Antenna

Publications (3)

Publication Number Publication Date
EP0459391A2 EP0459391A2 (en) 1991-12-04
EP0459391A3 true EP0459391A3 (en) 1992-03-04
EP0459391B1 EP0459391B1 (en) 1997-02-19

Family

ID=15191406

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91108683A Expired - Lifetime EP0459391B1 (en) 1990-05-29 1991-05-28 Antenna for portable radio equipment

Country Status (5)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2703670B2 (en) * 1991-04-12 1998-01-26 三菱電機株式会社 Antenna device
JP2503856B2 (en) * 1993-01-29 1996-06-05 日本電気株式会社 Antenna for portable radio
US5717408A (en) * 1995-12-18 1998-02-10 Centurion International, Inc. Retractable antenna for a cellular telephone
KR100285950B1 (en) * 1997-12-26 2001-04-16 윤종용 Method for emboding antenna circuit of mobile phone for reducing an influence of human body
KR100605817B1 (en) 2004-06-01 2006-08-01 삼성전자주식회사 Antenna apparatus for sliding type portable terminal
CN101740849B (en) * 2010-01-26 2013-06-12 华为终端有限公司 Multi-band antenna

Citations (2)

* 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

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6094507A (en) * 1983-10-28 1985-05-27 Fujitsu Ten Ltd Variable length whip antenna
JPS63173934U (en) * 1987-04-30 1988-11-11
JP2756672B2 (en) * 1987-12-25 1998-05-25 日本アンテナ株式会社 Multi-frequency antenna
US4847629A (en) * 1988-08-03 1989-07-11 Alliance Research Corporation Retractable cellular antenna
US4868576A (en) * 1988-11-02 1989-09-19 Motorola, Inc. Extendable antenna for portable cellular telephones with ground radiator

Patent Citations (2)

* 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

Also Published As

Publication number Publication date
EP0459391B1 (en) 1997-02-19
AU640787B2 (en) 1993-09-02
CA2043321A1 (en) 1991-11-30
EP0459391A2 (en) 1991-12-04
DE69124714D1 (en) 1997-03-27
JPH0432305A (en) 1992-02-04
AU7804191A (en) 1991-12-05
CA2043321C (en) 1997-08-19
DE69124714T2 (en) 1997-06-26

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