DE68928563D1 - Funkfernsprechgerät - Google Patents

Funkfernsprechgerät

Info

Publication number
DE68928563D1
DE68928563D1 DE68928563T DE68928563T DE68928563D1 DE 68928563 D1 DE68928563 D1 DE 68928563D1 DE 68928563 T DE68928563 T DE 68928563T DE 68928563 T DE68928563 T DE 68928563T DE 68928563 D1 DE68928563 D1 DE 68928563D1
Authority
DE
Germany
Prior art keywords
way radio
radio
way
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
DE68928563T
Other languages
English (en)
Other versions
DE68928563T2 (de
Inventor
Hideki Aisaka
Buntaro Sawa
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.)
Toshiba Corp
Original Assignee
Toshiba 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 Toshiba Corp filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE68928563D1 publication Critical patent/DE68928563D1/de
Publication of DE68928563T2 publication Critical patent/DE68928563T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • 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
    • H04B1/3877—Arrangements for enabling portable transceivers to be used in a fixed position, e.g. cradles or boosters
    • 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
    • H04B1/02—Transmitters
    • H04B1/04—Circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Transceivers (AREA)
  • Mobile Radio Communication Systems (AREA)
DE68928563T 1988-02-29 1989-02-28 Funkfernsprechgerät Expired - Fee Related DE68928563T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63046062A JPH01220919A (ja) 1988-02-29 1988-02-29 無線電話装置

Publications (2)

Publication Number Publication Date
DE68928563D1 true DE68928563D1 (de) 1998-03-05
DE68928563T2 DE68928563T2 (de) 1998-06-04

Family

ID=12736524

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68928563T Expired - Fee Related DE68928563T2 (de) 1988-02-29 1989-02-28 Funkfernsprechgerät

Country Status (6)

Country Link
US (2) US5048117A (de)
EP (1) EP0331435B1 (de)
JP (1) JPH01220919A (de)
KR (1) KR890013912A (de)
CA (1) CA1315343C (de)
DE (1) DE68928563T2 (de)

Families Citing this family (59)

* Cited by examiner, † Cited by third party
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JP2583578B2 (ja) * 1988-07-01 1997-02-19 三菱電機株式会社 ポケット電話機
JPH0775324B2 (ja) * 1989-08-18 1995-08-09 日本電気株式会社 携帯無線機
JPH03109829A (ja) * 1989-09-25 1991-05-09 Fujitsu Ltd 携帯電話用車載アダプタシステム
US5175759A (en) * 1989-11-20 1992-12-29 Metroka Michael P Communications device with movable element control interface
JPH0773387B2 (ja) * 1989-12-26 1995-08-02 日本電気株式会社 携帯電話装置
JP2792184B2 (ja) * 1990-03-20 1998-08-27 株式会社デンソー 無線電話装置
FI89992C (fi) * 1990-03-29 1993-12-10 Nokia Mobile Phones Ltd Handtelefon i form av en modulaer enhet
GB9025007D0 (en) * 1990-11-16 1991-01-02 Orbitel Mobile Communications Mobile radio telephone
JPH04239251A (ja) * 1991-01-11 1992-08-27 Toshiba Corp 無線電話装置アダプタ
DE69218465T2 (de) * 1991-01-11 1997-07-03 Toshiba Communication Technolo Adapter zur Versorgung eines transportablen Funktelefons mit Spannung
JP3058923B2 (ja) * 1991-01-11 2000-07-04 株式会社東芝 無線電話装置アダプタ
CA2064129C (en) * 1991-03-27 1997-03-04 Naoki Hirasawa Car-mounted booster for plug-in connection with mobile telephone set
JPH04319899A (ja) * 1991-04-19 1992-11-10 Fujitsu Ltd 自動車電話付属回路
US5815820A (en) * 1991-07-12 1998-09-29 Motorola, Inc. Transmitter having adjustable power levels responsive to the position of a movable antenna
JP2503135B2 (ja) * 1991-09-18 1996-06-05 富士通株式会社 無線端末装置の外部インタ―フェイスコネクタ接続構造
US5276916A (en) * 1991-10-08 1994-01-04 Motorola, Inc. Communication device having a speaker and microphone
US5479479A (en) * 1991-10-19 1995-12-26 Cell Port Labs, Inc. Method and apparatus for transmission of and receiving signals having digital information using an air link
US5245441A (en) * 1991-12-12 1993-09-14 Ruben Murray A Document imaging processing method and apparatus
AU667140B2 (en) * 1992-11-26 1996-03-07 Nec Corporation Booster for use in combination with radio apparatus
KR950007973B1 (ko) * 1992-11-27 1995-07-21 삼성전자주식회사 휴대용 무선송수신기의 고주파 출력레벨 보상회로
KR0182091B1 (ko) * 1993-02-05 1999-05-15 사토 후미오 무선전화장치
US6885845B1 (en) * 1993-04-05 2005-04-26 Ambit Corp. Personal communication device connectivity arrangement
FI99180C (fi) * 1993-04-26 1997-10-10 Nokia Mobile Phones Ltd Menetelmä radiopuhelimen käyttämiseksi ulkoisen vahvistinlaitteen kanssa ja menetelmässä käytettävä radiopuhelin ja vahvistinlaite
JP2823485B2 (ja) * 1993-07-23 1998-11-11 三菱電機株式会社 バースト送信装置
CA2135816C (en) * 1993-11-19 2000-02-15 Takashi Enoki Transmission circuit with improved gain control loop
US5488649A (en) * 1994-05-06 1996-01-30 Motorola, Inc. Method for validating a communication link
US5724663A (en) * 1994-08-16 1998-03-03 Hyundai Motor Company, Ltd. Car phone connected to a vehicle audio unit having visual indication
FI98106C (fi) * 1994-11-25 1997-04-10 Nokia Mobile Phones Ltd Matkapuhelin ja matkapuhelimen liitäntäjärjestely
JPH08293846A (ja) * 1995-04-19 1996-11-05 Sony Corp 送受信装置
US5732335A (en) * 1995-04-28 1998-03-24 Telefonaktiebolaget Lm Ericsson Externally controlled output power by means of antenna keying
US5661434A (en) * 1995-05-12 1997-08-26 Fujitsu Compound Semiconductor, Inc. High efficiency multiple power level amplifier circuit
US5648712A (en) * 1995-08-29 1997-07-15 Asian Micro Sources, Inc. Universally interchangeable and modular power supply with integrated battery charger
US5652599A (en) * 1995-09-11 1997-07-29 Qualcomm Incorporated Dual-band antenna system
JP3727431B2 (ja) * 1995-12-08 2005-12-14 シャープ株式会社 送話器、それを用いた電話機
WO1997024624A1 (en) * 1995-12-27 1997-07-10 Qualcomm Incorporated Antenna adapter
US6043780A (en) * 1995-12-27 2000-03-28 Funk; Thomas J. Antenna adapter
US5812097A (en) * 1996-04-30 1998-09-22 Qualcomm Incorporated Dual band antenna
GB2323726B (en) * 1997-03-27 1999-05-26 Nokia Telecommunications Oy Power control of RF signals
US6230031B1 (en) * 1997-03-31 2001-05-08 Oki Telecom, Inc. Power amplifying circuitry for wireless radio transceivers
US6029074A (en) * 1997-05-02 2000-02-22 Ericsson, Inc. Hand-held cellular telephone with power management features
US6038460A (en) * 1997-06-18 2000-03-14 Lucent Technologies Inc. Receiver for an RF signal booster in wireless communication system
US6072993A (en) * 1997-08-12 2000-06-06 Sony Corporation Portable radio transceiver with diplexer-switch circuit for dual frequency band operation
JP3090112B2 (ja) * 1998-01-30 2000-09-18 日本電気株式会社 携帯電話用ブースタ
US6163712A (en) * 1998-02-04 2000-12-19 Motorola, Inc. Inrush current limiter with output voltage detection for control of input current level and activation of current bypass path
TW512595B (en) * 1999-03-04 2002-12-01 Benq Corp Signal transmission circuit for wireless cellular phone
DE50009794D1 (de) * 1999-04-07 2005-04-21 Siemens Ag Kommunikationsendgerät
JP3827137B2 (ja) * 2000-05-16 2006-09-27 株式会社リコー 二次電池制御回路、該二次電池制御回路を内蔵したバッテリーパック、および該バッテリーパックを用いた携帯機器
US7248901B2 (en) * 2001-01-18 2007-07-24 Andreas Peiker Arrangement for handling a communication device
DE50200659D1 (de) * 2001-01-18 2004-08-26 Andreas Peiker Anordnung mit mobiletelefon
US6996369B2 (en) * 2002-08-22 2006-02-07 Eagle Broadband, Inc. Repeater for a satellite phone
US8170611B2 (en) * 2002-09-04 2012-05-01 Symbol Technologies, Inc. Internal accessory antenna system and method for wireless network
DE10251465A1 (de) * 2002-11-05 2004-05-19 Siemens Ag Verfahren zum Sendeleistungsabgleich bei einem mobilen Kommunikationsendgerät und Kommunikationsendgerät zur Durchführung des Verfahrens
US7366892B2 (en) * 2003-01-28 2008-04-29 Cellport Systems, Inc. Secure telematics
FR2861249B1 (fr) * 2003-10-21 2006-02-10 Bouygues Telecom Sa Base apte a recevoir un terminal mobile, la base presentant des moyens d'emission/reception amplifies
US7346370B2 (en) * 2004-04-29 2008-03-18 Cellport Systems, Inc. Enabling interoperability between distributed devices using different communication link technologies
KR100765790B1 (ko) * 2006-06-30 2007-10-12 삼성전자주식회사 모바일 기기의 가변 전원공급 장치 및 방법
US8027293B2 (en) 2007-07-16 2011-09-27 Cellport Systems, Inc. Communication channel selection and use
US8270914B2 (en) * 2009-12-03 2012-09-18 Apple Inc. Bezel gap antennas
DE102015217695A1 (de) 2015-09-16 2017-03-16 Continental Automotive Gmbh Kommunikationsvorrichtung mit Antennen-Dämpfungskompensation

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4286335A (en) * 1979-11-08 1981-08-25 Motorola, Inc. Coaxial dual antenna connection arrangement for communications apparatus
JPS58177038A (ja) * 1982-04-09 1983-10-17 Yuniden Kk コ−ドレス電話器の自動交信待期装置
JPS60223231A (ja) * 1984-04-19 1985-11-07 Nec Corp 無線通信機
JPS6281133A (ja) * 1985-10-03 1987-04-14 Nippon Telegr & Teleph Corp <Ntt> 無線電話装置の連続送信禁止方式
US4636741A (en) * 1985-11-01 1987-01-13 Motorola, Inc. Multi-level power amplifying circuitry for portable radio transceivers
JPS62199133A (ja) * 1986-02-27 1987-09-02 Nec Corp 自動車電話接続方式
KR910008738B1 (ko) * 1987-02-20 1991-10-19 닛본 덴기 가부시기가이샤 밧데리 절약 채널 스캔 기능을 갖고 있는 휴대용 무선 송수신기
JPS63248227A (ja) * 1987-04-03 1988-10-14 Aisin Seiki Co Ltd 電話装置
JPS648733A (en) * 1987-06-30 1989-01-12 Mitsubishi Electric Corp Portable radio communication equipment
JPH0793649B2 (ja) * 1987-09-09 1995-10-09 三菱電機株式会社 電話装置
JP2557408B2 (ja) * 1987-09-14 1996-11-27 株式会社東芝 無線通信装置
JPS6486739A (en) * 1987-09-29 1989-03-31 Toshiba Corp Car telephone equipment

Also Published As

Publication number Publication date
EP0331435B1 (de) 1998-01-28
KR890013912A (ko) 1989-09-26
CA1315343C (en) 1993-03-30
EP0331435A3 (de) 1991-07-31
JPH01220919A (ja) 1989-09-04
US5048117A (en) 1991-09-10
DE68928563T2 (de) 1998-06-04
US5095541A (en) 1992-03-10
EP0331435A2 (de) 1989-09-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee