DE3582763D1 - Batteriegespeistes funkgeraet, geeignet zum verlaengern des verbindungszustandes. - Google Patents

Batteriegespeistes funkgeraet, geeignet zum verlaengern des verbindungszustandes.

Info

Publication number
DE3582763D1
DE3582763D1 DE8585305615T DE3582763T DE3582763D1 DE 3582763 D1 DE3582763 D1 DE 3582763D1 DE 8585305615 T DE8585305615 T DE 8585305615T DE 3582763 T DE3582763 T DE 3582763T DE 3582763 D1 DE3582763 D1 DE 3582763D1
Authority
DE
Germany
Prior art keywords
battery
extend
device suitable
radio device
connection condition
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
DE8585305615T
Other languages
English (en)
Inventor
Yoshiharu Tamura
Katsuji Kimura
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 DE3582763D1 publication Critical patent/DE3582763D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
    • 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
    • H04B1/40—Circuits
DE8585305615T 1984-08-14 1985-08-07 Batteriegespeistes funkgeraet, geeignet zum verlaengern des verbindungszustandes. Expired - Fee Related DE3582763D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59168852A JPH0644716B2 (ja) 1984-08-14 1984-08-14 無線通信装置

Publications (1)

Publication Number Publication Date
DE3582763D1 true DE3582763D1 (de) 1991-06-13

Family

ID=15875739

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585305615T Expired - Fee Related DE3582763D1 (de) 1984-08-14 1985-08-07 Batteriegespeistes funkgeraet, geeignet zum verlaengern des verbindungszustandes.

Country Status (6)

Country Link
US (1) US4709404A (de)
EP (1) EP0172704B1 (de)
JP (1) JPH0644716B2 (de)
AU (1) AU580231B2 (de)
CA (1) CA1245307A (de)
DE (1) DE3582763D1 (de)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU569009B2 (en) * 1984-01-18 1988-01-14 Nec Corporation Transmitter power output control
EP0203781B1 (de) * 1985-05-23 1991-04-10 Nec Corporation Batteriegespeistes mobiles Kommunikationsgerät mit Senderrückstellfunktion
JPS62286324A (ja) * 1986-06-05 1987-12-12 Nec Corp 携帯用電話機
JP2731528B2 (ja) * 1987-12-28 1998-03-25 日本電気株式会社 直流電源瞬断検出装置
EP0391783B1 (de) * 1989-04-02 1997-07-09 Sony Corporation Funkübertragungsgerät
JP2769478B2 (ja) * 1989-04-10 1998-06-25 三菱電機株式会社 無線機
JPH0728231B2 (ja) * 1989-04-10 1995-03-29 三菱電機株式会社 ブースタ装置およびブースタ装置を接続した無線機
US5164652A (en) * 1989-04-21 1992-11-17 Motorola, Inc. Method and apparatus for determining battery type and modifying operating characteristics
US5239275A (en) * 1989-08-04 1993-08-24 Motorola, Inc. Amplitude modulator circuit having multiple power supplies
EP0431896B1 (de) * 1989-12-05 1995-06-21 Nec Corporation Leistungsverstärkereinheit mit Leistungsverstärkermodul
JP2506602Y2 (ja) * 1990-05-31 1996-08-14 ソニー株式会社 送信装置
US5307512A (en) * 1991-06-03 1994-04-26 Motorola, Inc. Power control circuitry for achieving wide dynamic range in a transmitter
US6643527B2 (en) * 1992-02-27 2003-11-04 Fujitsu Limited Power switching unit of a portable telephone capable of monitoring and controlling a battery supply voltage thereof
JP3071582B2 (ja) * 1992-11-09 2000-07-31 日本電気株式会社 電力増幅効率の調整方法
US5564101A (en) * 1993-07-09 1996-10-08 Universal Devices Method and apparatus for transmitter for universal garage door opener
JP3158833B2 (ja) * 1994-01-27 2001-04-23 三菱電機株式会社 移動無線装置
US5506546A (en) * 1994-06-20 1996-04-09 Nec Corporation Method and apparatus for generating transmitting wave
GB2301247A (en) * 1995-05-22 1996-11-27 Univ Bristol A cartesian loop transmitter amplifier
SE506842C2 (sv) * 1996-06-28 1998-02-16 Ericsson Telefon Ab L M Anordning och förfarande vid radiosändare för styrning av effektförstärkare
JP2956607B2 (ja) * 1996-09-17 1999-10-04 日本電気株式会社 携帯型無線機
DE19638129C2 (de) * 1996-09-18 2001-05-23 Siemens Ag Verfahren und Schaltungsanordnung zur Steuerung der Ausgangsleistung von Sendeendstufen
US6029074A (en) * 1997-05-02 2000-02-22 Ericsson, Inc. Hand-held cellular telephone with power management features
US5896261A (en) * 1997-11-25 1999-04-20 Motorola, Inc. Power down protection circuit for an electronic device
US6140807A (en) * 1998-10-01 2000-10-31 Motorola, Inc. Electronic device and associated method for charging an energy storage circuit with a DC-DC converter
DE10002523A1 (de) * 2000-01-21 2001-08-02 Infineon Technologies Ag Schaltungsanordnung zur Regelung der Sendeleistung eines batteriebetriebenen Funkgeräts
JP3474825B2 (ja) * 2000-03-13 2003-12-08 富士通カンタムデバイス株式会社 高周波電力増幅器および通信装置
GB2375922A (en) * 2001-05-22 2002-11-27 Ubinetics Ltd Reducing transmission power in response to a detected decrease in available battery power
FI20075393A0 (fi) * 2007-05-30 2007-05-30 Nokia Corp Tiedonvälitysmenetelmä, laite ja moduuli
WO2008145812A1 (en) * 2007-05-30 2008-12-04 Nokia Corporation Transmission method, apparatus and module
US8552803B2 (en) * 2007-12-18 2013-10-08 Qualcomm Incorporated Amplifier with dynamic bias
US8255009B2 (en) * 2008-04-25 2012-08-28 Apple Inc. Radio frequency communications circuitry with power supply voltage and gain control
US8331883B2 (en) * 2008-10-30 2012-12-11 Apple Inc. Electronic devices with calibrated radio frequency communications circuitry
US8165642B2 (en) * 2009-05-13 2012-04-24 Apple Inc. Electronic device with data-rate-dependent power amplifier bias
US8092118B2 (en) * 2009-07-31 2012-01-10 Earth Renaissance Technologies, Llc Carbon sequestration method
CN101916127B (zh) * 2010-07-21 2015-04-01 中兴通讯股份有限公司 终端设备的供电控制方法和一种终端设备
US8718579B2 (en) 2012-03-04 2014-05-06 Quantance, Inc. Envelope tracking power amplifier system with delay calibration
US9182780B2 (en) * 2012-05-16 2015-11-10 Broadcom Corporation Power management unit including a signal protection circuit
JP6178489B2 (ja) 2013-03-14 2017-08-09 クアンタンス， インコーポレイテッド 雑音調整を有するｅｔシステム
US9263997B2 (en) * 2013-03-14 2016-02-16 Quantance, Inc. Self setting power supply using negative output impedance
KR102174242B1 (ko) * 2013-03-15 2020-11-04 퀀탄스, 인코포레이티드 내부 전력 증폭기 특성화를 이용하는 포락선 추적 시스템
US9924463B2 (en) 2016-08-29 2018-03-20 Mediatek Singapore Pte. Ltd. Method, system and apparatus for controlling power consumption of a mobile terminal

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4114108A (en) * 1977-05-19 1978-09-12 General Electric Company Overdrive protection circuit
US4199723A (en) * 1978-02-24 1980-04-22 Rockwell International Corporation Automatic modulation control apparatus
US4158180A (en) * 1978-04-13 1979-06-12 General Electric Company Temperature control circuit
JPS6110327Y2 (de) * 1980-01-10 1986-04-03
US4353037A (en) * 1980-08-11 1982-10-05 Motorola, Inc. Amplifier protection circuit
JPS5757035A (en) * 1980-09-22 1982-04-06 Nippon Telegr & Teleph Corp <Ntt> Radio device
US4458209A (en) * 1981-02-03 1984-07-03 Motorola, Inc. Adaptive power control circuit
US4370622A (en) * 1981-03-23 1983-01-25 Rockwell International Corporation IMD Limiter
JPS58190106A (ja) * 1982-04-30 1983-11-07 Nec Corp 送信出力電力制御回路
US4521912A (en) * 1983-06-09 1985-06-04 General Electric Company Low power indicating circuit for a radio transmitter
WO1985000082A1 (en) * 1983-06-17 1985-01-03 Prutec Limited Transmitter with power amplifier control
AU561194B2 (en) * 1983-06-27 1987-04-30 Commonwealth Of Australia, The Squelch circuit.
JPS6041821A (ja) * 1983-08-18 1985-03-05 Nec Corp 送信出力電力制御装置
JPS6085633A (ja) * 1983-10-17 1985-05-15 Nec Corp 移動無線通信方式
JPS60182825A (ja) * 1984-02-29 1985-09-18 Nec Corp 無線電話方式
JPS60223231A (ja) * 1984-04-19 1985-11-07 Nec Corp 無線通信機
US4636741A (en) * 1985-11-01 1987-01-13 Motorola, Inc. Multi-level power amplifying circuitry for portable radio transceivers

Also Published As

Publication number Publication date
US4709404A (en) 1987-11-24
CA1245307A (en) 1988-11-22
EP0172704A2 (de) 1986-02-26
EP0172704A3 (en) 1988-03-02
AU4618785A (en) 1986-02-20
AU580231B2 (en) 1989-01-05
EP0172704B1 (de) 1991-05-08
JPS6148237A (ja) 1986-03-08
JPH0644716B2 (ja) 1994-06-08

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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