SE9502802L - Styrning för genomsnittlig HF-exponering - Google Patents
Styrning för genomsnittlig HF-exponeringInfo
- Publication number
- SE9502802L SE9502802L SE9502802A SE9502802A SE9502802L SE 9502802 L SE9502802 L SE 9502802L SE 9502802 A SE9502802 A SE 9502802A SE 9502802 A SE9502802 A SE 9502802A SE 9502802 L SE9502802 L SE 9502802L
- Authority
- SE
- Sweden
- Prior art keywords
- maximum
- power
- approached
- level
- average
- Prior art date
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 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
- H04B1/3827—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)
- Amplifiers (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Credit Cards Or The Like (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/168,151 US5524275A (en) | 1993-12-17 | 1993-12-17 | Averaged RF exposure control |
PCT/US1994/014649 WO1995017044A1 (fr) | 1993-12-17 | 1994-12-14 | Controle de l'exposition aux frequences radio moyennes |
Publications (2)
Publication Number | Publication Date |
---|---|
SE9502802D0 SE9502802D0 (sv) | 1995-08-10 |
SE9502802L true SE9502802L (sv) | 1995-10-04 |
Family
ID=22610336
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9502802A SE9502802L (sv) | 1993-12-17 | 1995-08-10 | Styrning för genomsnittlig HF-exponering |
Country Status (11)
Country | Link |
---|---|
US (1) | US5524275A (fr) |
AU (1) | AU691553B2 (fr) |
CA (1) | CA2154876C (fr) |
DE (1) | DE4499976B4 (fr) |
FR (1) | FR2714238B1 (fr) |
GB (1) | GB2290679B (fr) |
NL (1) | NL194022C (fr) |
NO (1) | NO314648B1 (fr) |
SE (1) | SE9502802L (fr) |
SG (1) | SG52384A1 (fr) |
WO (1) | WO1995017044A1 (fr) |
Families Citing this family (56)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6272325B1 (en) * | 1995-07-13 | 2001-08-07 | Globalstar L.P. | Method and apparatus for considering user terminal transmitted power during operation in a plurality of different communication systems |
US5802445A (en) * | 1995-07-13 | 1998-09-01 | Globalstar L.P. | Methods and apparatus for providing user RF exposure monitoring and control in a satellite communications system |
US5694431A (en) * | 1996-01-17 | 1997-12-02 | Motorola, Inc. | Method and apparatus for average power control |
FI106759B (fi) | 1996-11-13 | 2001-03-30 | Nokia Mobile Phones Ltd | Matkaviestimen lähetystehon rajoitinjärjestelmä |
IT1304350B1 (it) * | 1998-03-12 | 2001-03-15 | Diego Balestra | Sistema di telecomunicazione per piccole e medie citta' medianteradiofonia mobile con protezione dell'utente. |
EP1069705A1 (fr) * | 1999-05-28 | 2001-01-17 | Alcatel | Système de communication à AMDC et unité d'émission associé avec le contrôle de la puissance d'émission en cas de malfonctionnement |
EP1091498A1 (fr) * | 1999-10-07 | 2001-04-11 | Ascom AG | Télephone portable et procedé de fonctionnement pour ce télephone |
GB2355367A (en) | 1999-10-13 | 2001-04-18 | Ericsson Telefon Ab L M | Adjusting allocation of transmission slots according operating conditions in a mobile telephone |
FR2809274B1 (fr) * | 2000-05-17 | 2002-10-11 | Sagem | Telephone mobile perfectionne et procede de parametrage du telephone |
US6934515B2 (en) * | 2000-06-27 | 2005-08-23 | Wireless Avionics Ltd. | Electromagnetic radiation alerting device for use with a cellular telephone |
EP1175020A1 (fr) * | 2000-07-20 | 2002-01-23 | Alcatel | Commande de la puissance de transmission de la liaison descendante dans un système de telecommunication cellulaire |
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 |
US7146139B2 (en) * | 2001-09-28 | 2006-12-05 | Siemens Communications, Inc. | System and method for reducing SAR values |
US7053629B2 (en) * | 2001-09-28 | 2006-05-30 | Siemens Communications, Inc. | System and method for detecting the proximity of a body |
FI20012537A (fi) * | 2001-12-20 | 2003-06-27 | Nokia Corp | Menetelmä ja järjestelmä langattoman viestimen tehon säätämiseksi ja langaton viestin |
US20030119460A1 (en) * | 2001-12-26 | 2003-06-26 | Eliav Zipper | Transmitted power level indicator |
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 |
FR2858901B1 (fr) * | 2003-08-12 | 2005-12-09 | Bouygues Telecom Sa | Dispositif de determination des variations du das d'un mobile en communication |
EP1533915A1 (fr) * | 2003-11-20 | 2005-05-25 | Siemens Aktiengesellschaft | Procédé et dispositif de commande de puissance d'émission |
ES2251313B1 (es) * | 2004-10-08 | 2007-06-16 | Jose Luis De La Torre Barreiro | Dispositivo detector de señales de microondas. |
CN101171761B (zh) * | 2005-04-29 | 2012-06-20 | 皇家飞利浦电子股份有限公司 | 在多通道发送/接收天线设备中用于功率监视的方法和电路装置 |
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 (fr) * | 2010-07-20 | 2014-10-29 | BlackBerry Limited | Système de contrôle de la puissance de radiation et procédé pour dispositif de communication sans fil basé sur une histoire de radiation suivie |
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 |
EP2644002B1 (fr) | 2010-11-26 | 2018-10-03 | BlackBerry Limited | Système et procédé de reconnaissance de diagramme de rayonnement pour dispositif de communication mobile |
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实时监测系统及方法 |
KR102577176B1 (ko) * | 2016-10-21 | 2023-09-12 | 삼성전자주식회사 | 송신 전력을 제어하기 위한 전자장치 및 방법 |
EP3529936A1 (fr) * | 2016-10-24 | 2019-08-28 | Telefonaktiebolaget LM Ericsson (publ) | Procédé et noeud de réseau pour permettre des mesures sur des signaux de référence |
US10224974B2 (en) | 2017-03-31 | 2019-03-05 | Microsoft Technology Licensing, Llc | Proximity-independent SAR mitigation |
WO2019158587A1 (fr) * | 2018-02-16 | 2019-08-22 | Telefonaktiebolaget Lm Ericsson (Publ) | Dérivation de puissances de sortie configurées avec des durées de chevauchement dans une préemption de liaison montante |
WO2019194714A1 (fr) * | 2018-04-06 | 2019-10-10 | Telefonaktiebolaget Lm Ericsson (Publ) | Commande d'une sortie d'un émetteur dans un réseau de communication sans fil sur la base de limites d'exposition rf régulatrices |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4034297A (en) * | 1976-01-13 | 1977-07-05 | General Electric Company | Circuit for disabling a radio transmitter which is continuously operated longer than a predetermined time |
US4114108A (en) * | 1977-05-19 | 1978-09-12 | General Electric Company | Overdrive protection circuit |
US4242753A (en) * | 1978-03-01 | 1980-12-30 | Motorola, Inc. | Radio transmitter time out timer |
US4165493A (en) * | 1978-04-17 | 1979-08-21 | Rockwell International Corporation | Protected amplifier apparatus |
US4313210A (en) * | 1978-04-24 | 1982-01-26 | Motorola, Inc. | Thermally responsive power control for a radio transmitter |
JPS5694848A (en) * | 1979-12-28 | 1981-07-31 | Nec Corp | Control system of transmitter |
US4521912A (en) * | 1983-06-09 | 1985-06-04 | General Electric Company | Low power indicating circuit for a radio transmitter |
GB2198912A (en) * | 1986-11-22 | 1988-06-22 | Pipercross Communications Pty | Radio transceiver control device |
US4939786A (en) * | 1987-03-09 | 1990-07-03 | Motorola, Inc. | Adaptive thermal protection for a power amplifier by remote sense |
SU1427578A1 (ru) * | 1987-04-02 | 1988-09-30 | Предприятие П/Я В-8828 | Радиопередатчик |
JPH0239634A (ja) * | 1988-07-29 | 1990-02-08 | Nec Corp | 搬送波制御装置 |
KR910009665B1 (ko) * | 1989-05-31 | 1991-11-25 | 삼성전자 주식회사 | 무선 수신기의 전원 절약회로 및 그 제어방법 |
SE467332B (sv) * | 1990-06-21 | 1992-06-29 | Ericsson Telefon Ab L M | Foerfarande foer effektreglering i ett digitalt mobiltelefonisystem |
JPH06132873A (ja) * | 1992-10-21 | 1994-05-13 | Nec Corp | 電力制御装置 |
CA2166984A1 (fr) * | 1993-07-26 | 1995-02-02 | Steve Carter | Methode et appareil pour controler l'exposition aux ondes rf |
-
1993
- 1993-12-17 US US08/168,151 patent/US5524275A/en not_active Expired - Lifetime
-
1994
- 1994-12-14 WO PCT/US1994/014649 patent/WO1995017044A1/fr active Application Filing
- 1994-12-14 DE DE4499976T patent/DE4499976B4/de not_active Expired - Lifetime
- 1994-12-14 AU AU14401/95A patent/AU691553B2/en not_active Ceased
- 1994-12-14 CA CA002154876A patent/CA2154876C/fr not_active Expired - Lifetime
- 1994-12-14 SG SG1996003789A patent/SG52384A1/en unknown
- 1994-12-14 GB GB9516079A patent/GB2290679B/en not_active Expired - Lifetime
- 1994-12-14 NL NL9420016A patent/NL194022C/nl not_active IP Right Cessation
- 1994-12-16 FR FR9415165A patent/FR2714238B1/fr not_active Expired - Lifetime
-
1995
- 1995-08-10 SE SE9502802A patent/SE9502802L/xx unknown
- 1995-08-16 NO NO19953216A patent/NO314648B1/no unknown
Also Published As
Publication number | Publication date |
---|---|
GB2290679B (en) | 1998-07-15 |
GB9516079D0 (en) | 1995-10-11 |
FR2714238B1 (fr) | 2001-01-05 |
WO1995017044A1 (fr) | 1995-06-22 |
SG52384A1 (en) | 1998-09-28 |
NO953216D0 (no) | 1995-08-16 |
AU1440195A (en) | 1995-07-03 |
NO314648B1 (no) | 2003-04-22 |
NL9420016A (nl) | 1996-02-01 |
CA2154876C (fr) | 2005-05-31 |
NL194022C (nl) | 2001-04-03 |
NO953216L (no) | 1995-10-17 |
SE9502802D0 (sv) | 1995-08-10 |
DE4499976B4 (de) | 2007-12-27 |
AU691553B2 (en) | 1998-05-21 |
GB2290679A (en) | 1996-01-03 |
DE4499976T1 (de) | 1996-01-11 |
US5524275A (en) | 1996-06-04 |
NL194022B (nl) | 2000-12-01 |
CA2154876A1 (fr) | 1995-06-22 |
FR2714238A1 (fr) | 1995-06-23 |
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