DE69528115D1 - Verfahren zur Schaltung des Antennengewinns in einem tragbaren Funkgerät - Google Patents

Verfahren zur Schaltung des Antennengewinns in einem tragbaren Funkgerät

Info

Publication number
DE69528115D1
DE69528115D1 DE69528115T DE69528115T DE69528115D1 DE 69528115 D1 DE69528115 D1 DE 69528115D1 DE 69528115 T DE69528115 T DE 69528115T DE 69528115 T DE69528115 T DE 69528115T DE 69528115 D1 DE69528115 D1 DE 69528115D1
Authority
DE
Germany
Prior art keywords
switching
antenna gain
portable radio
portable
radio
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 - Fee Related
Application number
DE69528115T
Other languages
English (en)
Other versions
DE69528115T2 (de
Inventor
Hidehiko Norimatsu
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
Application granted granted Critical
Publication of DE69528115D1 publication Critical patent/DE69528115D1/de
Publication of DE69528115T2 publication Critical patent/DE69528115T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transceivers (AREA)
  • Support Of Aerials (AREA)
DE69528115T 1994-06-23 1995-06-22 Verfahren zur Schaltung des Antennengewinns in einem tragbaren Funkgerät Expired - Fee Related DE69528115T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6141837A JP2581320B2 (ja) 1994-06-23 1994-06-23 携帯型無線装置

Publications (2)

Publication Number Publication Date
DE69528115D1 true DE69528115D1 (de) 2002-10-17
DE69528115T2 DE69528115T2 (de) 2003-01-02

Family

ID=15301303

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69528115T Expired - Fee Related DE69528115T2 (de) 1994-06-23 1995-06-22 Verfahren zur Schaltung des Antennengewinns in einem tragbaren Funkgerät

Country Status (6)

Country Link
US (1) US6321099B1 (de)
EP (1) EP0689299B1 (de)
JP (1) JP2581320B2 (de)
KR (1) KR0180324B1 (de)
AU (1) AU699761B2 (de)
DE (1) DE69528115T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU719485B2 (en) * 1996-04-02 2000-05-11 Nec Corporation Device for controlling expansion/contraction of an antenna in a radio unit and method therefor
DE19747581C2 (de) * 1997-10-28 1999-11-25 Siemens Ag Mobilfunkendgerät
US6507317B1 (en) * 2000-08-11 2003-01-14 Agere Systems Inc. Retractable antenna for electronic devices
US6573868B2 (en) * 2001-02-28 2003-06-03 3Com Corporation Retractable antenna for electronic devices
TWM259325U (en) * 2004-06-02 2005-03-11 Fih Co Ltd Automatic antenna
US8688174B2 (en) * 2012-03-13 2014-04-01 Telecommunication Systems, Inc. Integrated, detachable ear bud device for a wireless phone

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3905063A (en) * 1972-01-07 1975-09-16 Rixson Firemark Condition responsive door holder-closer
US4492820A (en) * 1980-10-24 1985-01-08 Salt Lake Communications, Inc. Telephone alarm system
JPS60155243A (ja) * 1984-01-24 1985-08-15 Toyobo Co Ltd 発泡剤組成物
DE3665967D1 (en) * 1985-02-18 1989-11-02 Nec Corp Mobile telephone system for automatically paging absent mobile subscriber
US4725845A (en) * 1986-03-03 1988-02-16 Motorola, Inc. Retractable helical antenna
JPS62205875A (ja) * 1986-03-07 1987-09-10 Honda Motor Co Ltd 自動車組立用搬送装置
JPS62219719A (ja) * 1986-03-19 1987-09-28 Matsushita Electric Works Ltd 送受信装置
US4803493A (en) * 1986-12-01 1989-02-07 Jamison Wayne L Mobile antenna circuit with variable line length
JPS63185204A (ja) * 1987-01-28 1988-07-30 Alpine Electron Inc ラジオ受信機のアンテナ長さ自動調整装置
GB2219159B (en) * 1988-05-27 1993-03-10 Technophone Ltd Antenna assembly
JPH02252326A (ja) 1989-03-27 1990-10-11 Nissan Motor Co Ltd コードレス電話の着信呼出し装置
JPH03235532A (ja) * 1990-02-13 1991-10-21 Toshiba Corp コードレス電話装置
JPH03265201A (ja) * 1990-03-14 1991-11-26 Fujitsu Ltd アンテナ機構
JPH0439755U (de) * 1990-07-31 1992-04-03
JPH0443032U (de) * 1990-08-13 1992-04-13
JPH0713293Y2 (ja) * 1991-03-19 1995-03-29 三洋電機株式会社 電子機器のアンテナ装置
JPH0548489A (ja) * 1991-08-08 1993-02-26 Matsushita Electric Ind Co Ltd 電話装置
JP2699730B2 (ja) * 1991-11-27 1998-01-19 日本電気株式会社 携帯無線機のアンテナ取出し機構
JPH05152992A (ja) * 1991-11-30 1993-06-18 Nec Corp 無線送受信装置
JP3002985U (ja) * 1994-02-18 1994-10-11 株式会社花絹コーポレーション 携帯電話機
JP3048941U (ja) * 1997-10-30 1998-05-29 文長 王 揚水ポンプの吐出し口転向装置
JP3121713U (ja) * 2006-03-06 2006-05-25 横浜ゴム株式会社 タイヤ用滑止具

Also Published As

Publication number Publication date
AU2164695A (en) 1996-01-11
AU699761B2 (en) 1998-12-17
KR0180324B1 (ko) 1999-05-15
EP0689299A2 (de) 1995-12-27
JP2581320B2 (ja) 1997-02-12
DE69528115T2 (de) 2003-01-02
KR960003226A (ko) 1996-01-26
JPH088776A (ja) 1996-01-12
EP0689299A3 (de) 1997-05-28
US6321099B1 (en) 2001-11-20
EP0689299B1 (de) 2002-09-11

Similar Documents

Publication Publication Date Title
DE69926652D1 (de) Verfahren zur bestimmung des aktivzustandes in einem mobilfunkgerät
DE69407332D1 (de) Verfahren zur Strahlungskeulenkompression in Antennendiagrammen
DE69432808D1 (de) Schaltung zur Speisung eines Funkgerätes
DE69616557D1 (de) Verfahren zur reduzierung des leistungsverbrauches in einem tragbaren funktelefon
DE69938413D1 (de) Planare antenne und verfahren zur herstellung derselben
GB2316540B (en) Planar antenna and radio apparatus comprising the same
DE69426974T2 (de) Registrierungsverfahren in einem zellularen mobilfunksystem
DE69419038D1 (de) Geraet zur radiofrequenzablation
DE69818768D1 (de) Mehrbandantenne zur Verwendung in einem mobilen Funkgerät
DE69522938T2 (de) Basisstationsgruppenantenne und dazugehöriges verfahren zur erhöhung der leistungseffizienz
DE69726697T2 (de) Verfahren zur Funkkapazitätskontrolle
DE69835018D1 (de) Verfahren zur einstellung der leistungsregelungsschwelle in einem drahtlosen kommunikationssystem
GB9508376D0 (en) Radio antennas
DE69006804D1 (de) Verfahren zur Reduzierung des Leistungsbedarfs eines mobilen Funkempfängers.
DE69831343D1 (de) Verfahren in einem mobilen funksystem
DE69816609D1 (de) Verfahren zur verbesserung von antennenleistungsparametern und antennenanordnung
DE69633137D1 (de) Nachrichtenaufspaltung in einem zeit-diversity-funksystem
DE69728662D1 (de) Verfahren zur einleitung des weiterreichens von gesprächen in einem zellularfunksystem
IL143061A0 (en) Method and apparatus for antenna orientation and antenna with the same
GB9706474D0 (en) Portable radio
GB2293518B (en) Portable radio apparatus
DE69528115D1 (de) Verfahren zur Schaltung des Antennengewinns in einem tragbaren Funkgerät
DE69719802D1 (de) Verfahren zur integration von antennen in einem verteilten antennensystem
FI961944A (fi) Radioantennisovitelma
GB9518198D0 (en) Multi-position patch antenna and method therefor

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee