DE4499976T1 - Mittlere HF-Bestrahlungsregelung - Google Patents

Mittlere HF-Bestrahlungsregelung

Info

Publication number
DE4499976T1
DE4499976T1 DE4499976T DE4499976T DE4499976T1 DE 4499976 T1 DE4499976 T1 DE 4499976T1 DE 4499976 T DE4499976 T DE 4499976T DE 4499976 T DE4499976 T DE 4499976T DE 4499976 T1 DE4499976 T1 DE 4499976T1
Authority
DE
Germany
Prior art keywords
medium
exposure control
exposure
control
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
DE4499976T
Other languages
English (en)
Other versions
DE4499976B4 (de
Inventor
Bo Karl Lindell
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.)
Ericsson Inc
Original Assignee
Ericsson GE Mobile Communications Inc
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 Ericsson GE Mobile Communications Inc filed Critical Ericsson GE Mobile Communications Inc
Publication of DE4499976T1 publication Critical patent/DE4499976T1/de
Application granted granted Critical
Publication of DE4499976B4 publication Critical patent/DE4499976B4/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • 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
    • H04B1/3827—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
    • H04B1/3827—Portable transceivers
    • H04B1/3833—Hand-held transceivers
    • H04B1/3838—Arrangements for reducing RF exposure to the user, e.g. by changing the shape of the transceiver while in use
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/101—Monitoring; Testing of transmitters for measurement of specific parameters of the transmitter or components thereof
    • H04B17/102—Power radiated at antenna
    • 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
    • H04B1/3838—Arrangements for reducing RF exposure to the user, e.g. by changing the shape of the transceiver while in use
    • H04B2001/3844—Arrangements for reducing RF exposure to the user, e.g. by changing the shape of the transceiver while in use with means to alert the user that a certain exposure has been reached
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • H04W52/367—Power values between minimum and maximum limits, e.g. dynamic range

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Credit Cards Or The Like (AREA)
  • Amplifiers (AREA)
DE4499976T 1993-12-17 1994-12-14 Vorrichtung zum Begrenzen der mittleren HF-Strahlung eines Funksenders Expired - Lifetime DE4499976B4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US168151 1993-12-17
US08/168,151 US5524275A (en) 1993-12-17 1993-12-17 Averaged RF exposure control
PCT/US1994/014649 WO1995017044A1 (en) 1993-12-17 1994-12-14 Average rf exposure control

Publications (2)

Publication Number Publication Date
DE4499976T1 true DE4499976T1 (de) 1996-01-11
DE4499976B4 DE4499976B4 (de) 2007-12-27

Family

ID=22610336

Family Applications (1)

Application Number Title Priority Date Filing Date
DE4499976T Expired - Lifetime DE4499976B4 (de) 1993-12-17 1994-12-14 Vorrichtung zum Begrenzen der mittleren HF-Strahlung eines Funksenders

Country Status (11)

Country Link
US (1) US5524275A (de)
AU (1) AU691553B2 (de)
CA (1) CA2154876C (de)
DE (1) DE4499976B4 (de)
FR (1) FR2714238B1 (de)
GB (1) GB2290679B (de)
NL (1) NL194022C (de)
NO (1) NO314648B1 (de)
SE (1) SE9502802L (de)
SG (1) SG52384A1 (de)
WO (1) WO1995017044A1 (de)

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EP1175020A1 (de) * 2000-07-20 2002-01-23 Alcatel Regelung der Sendeleistung in Abwärtsrichtung in einem zellularen Telekommunikationssystem
US6950404B2 (en) * 2001-05-14 2005-09-27 Dataradio Inc. Adaptive duty cycle management method and system for radio transmitters
US7558232B2 (en) * 2001-05-14 2009-07-07 Dataradio, Inc. Adaptive duty cycle management method and system for radio transmitters
US7072475B1 (en) 2001-06-27 2006-07-04 Sprint Spectrum L.P. Optically coupled headset and microphone
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US7146139B2 (en) * 2001-09-28 2006-12-05 Siemens Communications, Inc. System and method for reducing SAR values
FI20012537A (fi) * 2001-12-20 2003-06-27 Nokia Corp Menetelmä ja järjestelmä langattoman viestimen tehon säätämiseksi ja langaton viestin
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US7610027B2 (en) * 2002-06-05 2009-10-27 Meshnetworks, Inc. Method and apparatus to maintain specification absorption rate at a wireless node
US20040203720A1 (en) * 2002-08-20 2004-10-14 Via Technologies, Inc. Personal communication device with transmitted RF power strength indicator and warning system
KR100498964B1 (ko) * 2003-03-05 2005-07-01 삼성전자주식회사 이동단말에서의 전자파 흡수율 제어 방법 및 장치
FI20030777A0 (fi) * 2003-05-22 2003-05-22 Nokia Corp Lähetysdiversiteetin kertaluvun ja lähetyshaarojen määritys
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ES2251313B1 (es) * 2004-10-08 2007-06-16 Jose Luis De La Torre Barreiro Dispositivo detector de señales de microondas.
US8099059B2 (en) * 2005-04-29 2012-01-17 Koninklijke Philips Electronics N.V. Method and circuit arrangement for operating multi-channel transmit/recieve antenna devices
US20070111681A1 (en) * 2005-11-14 2007-05-17 Alberth William P Jr Transmit power allocation in wireless communication devices
US7623886B2 (en) * 2005-12-14 2009-11-24 NDSSI Holdings, LLC Method and apparatus for transmitter calibration
US8059702B2 (en) * 2006-11-30 2011-11-15 Motorola Mobility, Inc. Monitoring multiple modem transmission in a communication device
US8665778B2 (en) 2006-11-30 2014-03-04 Motorola Mobility Llc Monitoring and control of transmit power in a multi-modem wireless communication device
US8744519B2 (en) * 2006-12-14 2014-06-03 Motorola Mobility Llc Multimodal phone data session management enhancement that alleviates dual transmission problems
US20090047998A1 (en) * 2007-08-16 2009-02-19 Motorola, Inc. Method and apparatus for controlling power transmission levels for a mobile station having transmit diversity
JP4383480B2 (ja) * 2007-11-15 2009-12-16 株式会社エヌ・ティ・ティ・ドコモ 移動通信端末及び移動通信端末における送信電力制御方法
FR2923964A1 (fr) * 2007-11-21 2009-05-22 France Telecom Procede dynamique de regulation du niveau de puissance d'emission des terminaux de communications
US8195250B2 (en) * 2008-04-30 2012-06-05 Motorola Mobility, Inc. Method and apparatus for controlling power among modems in a multi-mode mobile communication device
US8275407B2 (en) * 2009-07-24 2012-09-25 Qualcomm Incorporated Methods and apparatus for communicating using multiple transmission power levels
US8483632B2 (en) * 2009-11-13 2013-07-09 Motorola Mobility Llc Radiated power control systems and methods in wireless communication devices
US8737934B2 (en) * 2009-11-24 2014-05-27 Symbol Technologies, Inc. Setting SAR exposure limit of mobile devices
US9191055B2 (en) * 2009-12-28 2015-11-17 Green Swan, Inc. Method and system to minimize radiation exposure from mobile phones and devices
US9564680B2 (en) 2009-12-28 2017-02-07 Green Swan, Inc. Removable and Replaceable Sound Tunnel Shell
US9137757B2 (en) * 2010-02-11 2015-09-15 Qualcomm Incorporated Method and apparatus for power control in high speed packet access (HSPA) networks
EP2410661B1 (de) * 2010-07-20 2014-10-29 BlackBerry Limited Steuerungssystem für die Strahlungsenergiestufe und Verfahren für eine drahtlose Kommunikationsvorrichtung basierend auf der nachverfolgten Strahlungshistorie
US8538351B2 (en) 2010-07-20 2013-09-17 Blackberry Limited Radiation power level control system and method for a wireless communication device based on a tracked radiation history
US20120021707A1 (en) * 2010-07-26 2012-01-26 Qualcomm Incorporated Apparatus and method for adjustment of transmitter power in a system
US8565205B2 (en) * 2010-11-04 2013-10-22 Qualcomm Incorporated Specific absorption rate backoff in power headroom report
CN103229587B (zh) 2010-11-26 2016-07-20 黑莓有限公司 用于移动通信设备的辐射方向图识别***和方法
US8995938B2 (en) 2011-11-14 2015-03-31 Blackberry Limited Radiation power level control system and method for a wireless communication device having tunable elements
US10893488B2 (en) 2013-06-14 2021-01-12 Microsoft Technology Licensing, Llc Radio frequency (RF) power back-off optimization for specific absorption rate (SAR) compliance
GB2516052A (en) 2013-07-09 2015-01-14 Nokia Corp A display apparatus
US20150031408A1 (en) * 2013-07-25 2015-01-29 Qualcomm Incorporated System and Methods for Controlling Transmit Power on Multi-SIM Devices in Compliance with Specific Absorption Rate Limits
CN104224181B (zh) * 2014-09-26 2016-04-20 中国科学院生物物理研究所 一种多通道磁共振成像设备的sar实时监测***及方法
KR102577176B1 (ko) * 2016-10-21 2023-09-12 삼성전자주식회사 송신 전력을 제어하기 위한 전자장치 및 방법
CN110073628B (zh) * 2016-10-24 2022-05-17 瑞典爱立信有限公司 用于实现对参考信号的测量的方法和网络节点
US10224974B2 (en) 2017-03-31 2019-03-05 Microsoft Technology Licensing, Llc Proximity-independent SAR mitigation
US20210099959A1 (en) * 2018-02-16 2021-04-01 Telefonaktiebolaget Lm Ericsson (Publ) Deriving configured output powers with overlapping durations under uplink pre-emption
EP3771316A1 (de) * 2018-04-06 2021-02-03 Telefonaktiebolaget LM Ericsson (publ) Steuerung der senderausgabe in einem drahtlosen kommunikationsnetzwerk basierend auf regulatorischen hf-belichtungsgrenzen
US20220159582A1 (en) * 2020-11-13 2022-05-19 Qualcomm Incorporated Radio frequency (rf) exposure compliance
US20220345168A1 (en) * 2021-04-23 2022-10-27 Intel Corporation Methods and devices for power management techniques with time averaged sar and proximity sensor considerations

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Also Published As

Publication number Publication date
NL194022C (nl) 2001-04-03
GB2290679A (en) 1996-01-03
SE9502802L (sv) 1995-10-04
AU1440195A (en) 1995-07-03
CA2154876A1 (en) 1995-06-22
NL194022B (nl) 2000-12-01
CA2154876C (en) 2005-05-31
WO1995017044A1 (en) 1995-06-22
NO314648B1 (no) 2003-04-22
SG52384A1 (en) 1998-09-28
NL9420016A (nl) 1996-02-01
GB9516079D0 (en) 1995-10-11
NO953216D0 (no) 1995-08-16
FR2714238A1 (fr) 1995-06-23
FR2714238B1 (fr) 2001-01-05
DE4499976B4 (de) 2007-12-27
US5524275A (en) 1996-06-04
AU691553B2 (en) 1998-05-21
NO953216L (no) 1995-10-17
GB2290679B (en) 1998-07-15
SE9502802D0 (sv) 1995-08-10

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8364 No opposition during term of opposition
R071 Expiry of right
R071 Expiry of right