DE69031059T2 - Fahrzeugleistungsverstärkerschaltung für tragbaren Mehrpegelsendeempfänger - Google Patents

Fahrzeugleistungsverstärkerschaltung für tragbaren Mehrpegelsendeempfänger

Info

Publication number
DE69031059T2
DE69031059T2 DE69031059T DE69031059T DE69031059T2 DE 69031059 T2 DE69031059 T2 DE 69031059T2 DE 69031059 T DE69031059 T DE 69031059T DE 69031059 T DE69031059 T DE 69031059T DE 69031059 T2 DE69031059 T2 DE 69031059T2
Authority
DE
Germany
Prior art keywords
power amplifier
amplifier circuit
vehicle power
portable multi
level transceiver
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
DE69031059T
Other languages
English (en)
Other versions
DE69031059D1 (de
Inventor
Yoshiharu Tamura
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 DE69031059D1 publication Critical patent/DE69031059D1/de
Application granted granted Critical
Publication of DE69031059T2 publication Critical patent/DE69031059T2/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
    • H04B1/3877—Arrangements for enabling portable transceivers to be used in a fixed position, e.g. cradles or boosters

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Transceivers (AREA)
DE69031059T 1989-08-18 1990-08-17 Fahrzeugleistungsverstärkerschaltung für tragbaren Mehrpegelsendeempfänger Expired - Fee Related DE69031059T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1212334A JPH0775324B2 (ja) 1989-08-18 1989-08-18 携帯無線機

Publications (2)

Publication Number Publication Date
DE69031059D1 DE69031059D1 (de) 1997-08-21
DE69031059T2 true DE69031059T2 (de) 1997-12-04

Family

ID=16620820

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69031059T Expired - Fee Related DE69031059T2 (de) 1989-08-18 1990-08-17 Fahrzeugleistungsverstärkerschaltung für tragbaren Mehrpegelsendeempfänger

Country Status (4)

Country Link
US (1) US5193219A (de)
EP (1) EP0413355B1 (de)
JP (1) JPH0775324B2 (de)
DE (1) DE69031059T2 (de)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
FI89120C (fi) * 1991-09-24 1993-08-10 Nokia Mobile Phones Ltd Effektinstaellning i en boosterfoerstaerkare
JPH0591039A (ja) * 1991-09-30 1993-04-09 Nec Corp 携帯無線端末装置および車載無線端末装置
JPH05160772A (ja) * 1991-12-10 1993-06-25 Matsushita Electric Ind Co Ltd 携帯電話装置
FI91201C (fi) * 1992-06-05 1994-05-25 Nokia Mobile Phones Ltd Boosteri
US5404586A (en) * 1992-09-29 1995-04-04 Fujitsu Ltd. Transmitter having automatic power controller
JPH06260996A (ja) * 1992-10-02 1994-09-16 Nokia Mobile Phones Ltd セルラ電話用出力増幅システム
US5457814A (en) * 1993-10-02 1995-10-10 Nokia Mobile Phones Ltd. Power boost system for cellular telephone
KR950007973B1 (ko) * 1992-11-27 1995-07-21 삼성전자주식회사 휴대용 무선송수신기의 고주파 출력레벨 보상회로
CA2154877C (en) * 1993-02-05 1999-07-20 Akira Ishikura Radio telephone equipment
JPH06276146A (ja) * 1993-03-19 1994-09-30 Fujitsu Ltd 移動電話装置
US6594471B1 (en) * 1993-04-05 2003-07-15 Ambit Corp Radiative focal area antenna transmission coupling arrangement
US5711014A (en) * 1993-04-05 1998-01-20 Crowley; Robert J. Antenna transmission coupling arrangement
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
JPH06334541A (ja) * 1993-05-25 1994-12-02 Sony Corp 無線送信機
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
US5570062A (en) * 1994-10-12 1996-10-29 Ericsson Ge Mobile Communications Inc. AM-FM transmitter power amplifier using class-BC
US5732335A (en) * 1995-04-28 1998-03-24 Telefonaktiebolaget Lm Ericsson Externally controlled output power by means of antenna keying
US6458366B1 (en) 1995-09-01 2002-10-01 Corixa Corporation Compounds and methods for diagnosis of tuberculosis
US6230031B1 (en) 1997-03-31 2001-05-08 Oki Telecom, Inc. Power amplifying circuitry for wireless radio transceivers
GB2329792A (en) * 1997-08-20 1999-03-31 Nokia Telecommunications Oy Identification signals enable a transceiver module to correctly configure itself to an attached functional module
US6459915B2 (en) * 1997-09-02 2002-10-01 Matsushita Electric Industrial Co. Ltd. External adapter for a portable cellular phone
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
JP3669497B2 (ja) * 2001-10-29 2005-07-06 埼玉日本電気株式会社 送信装置、及びその自動利得制御方法
US6892080B2 (en) * 2001-11-27 2005-05-10 Arrista Technologies, Inc. Booster amplifier for cellular telephone cradles
US20050002677A1 (en) * 2003-07-03 2005-01-06 Polychromix, Inc. Methods and apparatus for monitoring the strength of carriers in an optical communication system
US20070270111A1 (en) * 2006-05-19 2007-11-22 Broadcom Corporation Dual power mode transmitter
US7860467B2 (en) * 2006-08-29 2010-12-28 Broadcom Corporation Power control for a dual mode transmitter
GB2530424B (en) 2008-11-18 2016-05-04 Nujira Ltd Power Supply Arrangement For Multi-Stage Amplifier
JP5979087B2 (ja) * 2013-06-18 2016-08-24 株式会社デンソー 車載通信装置
US11483778B2 (en) * 2019-07-16 2022-10-25 Molex CVS Bochum GmbH Compensator system with feedback

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3648186A (en) * 1970-03-24 1972-03-07 Kahn Res Lab Amplification system
US4585903A (en) * 1982-01-25 1986-04-29 Viking Phone Company Cordless telephone
US4442407A (en) * 1982-06-11 1984-04-10 The United States Of America As Represented By The Secretary Of The Army Two loop automatic level control for power amplifier
US4581725A (en) * 1982-07-21 1986-04-08 Mobil Oil Corporation Method and system for gain selection
JPS60223231A (ja) * 1984-04-19 1985-11-07 Nec Corp 無線通信機
JPS61151421U (de) * 1985-03-12 1986-09-19
US4636741A (en) * 1985-11-01 1987-01-13 Motorola, Inc. Multi-level power amplifying circuitry for portable radio transceivers
JPS6397020A (ja) * 1986-10-13 1988-04-27 Matsushita Electric Ind Co Ltd 送信出力の制御装置
JPH01220919A (ja) * 1988-02-29 1989-09-04 Toshiba Corp 無線電話装置
JP2769478B2 (ja) * 1989-04-10 1998-06-25 三菱電機株式会社 無線機

Also Published As

Publication number Publication date
JPH0775324B2 (ja) 1995-08-09
DE69031059D1 (de) 1997-08-21
EP0413355A3 (en) 1992-11-25
EP0413355B1 (de) 1997-07-16
US5193219A (en) 1993-03-09
EP0413355A2 (de) 1991-02-20
JPH0376430A (ja) 1991-04-02

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Legal Events

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