FI931672A0 - Menetelmä ja laite antennin kunnon valvomiseksi - Google Patents

Menetelmä ja laite antennin kunnon valvomiseksi

Info

Publication number
FI931672A0
FI931672A0 FI931672A FI931672A FI931672A0 FI 931672 A0 FI931672 A0 FI 931672A0 FI 931672 A FI931672 A FI 931672A FI 931672 A FI931672 A FI 931672A FI 931672 A0 FI931672 A0 FI 931672A0
Authority
FI
Finland
Prior art keywords
pct
antenna
condition
sec
magnitude
Prior art date
Application number
FI931672A
Other languages
English (en)
Swedish (sv)
Other versions
FI92766C (fi
FI92766B (fi
Inventor
Jukka Peltola
Pekka Koponen
Original Assignee
Nokia Telecommunications Oy
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 Nokia Telecommunications Oy filed Critical Nokia Telecommunications Oy
Publication of FI931672A0 publication Critical patent/FI931672A0/fi
Priority to FI931672A priority Critical patent/FI92766C/fi
Priority to US08/356,214 priority patent/US5590415A/en
Priority to DE69417134T priority patent/DE69417134T2/de
Priority to CN94190195.5A priority patent/CN1057841C/zh
Priority to PCT/FI1994/000138 priority patent/WO1994024576A1/en
Priority to AU64308/94A priority patent/AU677310B2/en
Priority to JP6522798A priority patent/JP2992345B2/ja
Priority to AT94911971T priority patent/ATE177844T1/de
Priority to EP94911971A priority patent/EP0646248B1/en
Application granted granted Critical
Publication of FI92766B publication Critical patent/FI92766B/fi
Priority to NO944823A priority patent/NO308431B1/no
Publication of FI92766C publication Critical patent/FI92766C/fi

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/04—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant in circuits having distributed constants, e.g. having very long conductors or involving high frequencies
    • G01R27/06—Measuring reflection coefficients; Measuring standing-wave ratio

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Burglar Alarm Systems (AREA)
  • Details Of Aerials (AREA)
  • Transmitters (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Radio Transmission System (AREA)
FI931672A 1993-04-14 1993-04-14 Menetelmä ja laite antennin kunnon valvomiseksi FI92766C (fi)

Priority Applications (10)

Application Number Priority Date Filing Date Title
FI931672A FI92766C (fi) 1993-04-14 1993-04-14 Menetelmä ja laite antennin kunnon valvomiseksi
PCT/FI1994/000138 WO1994024576A1 (en) 1993-04-14 1994-04-13 Method and device for supervising the condition of an antenna
DE69417134T DE69417134T2 (de) 1993-04-14 1994-04-13 Verfahren und gerät zur überwachung des zustandes einer antenne
CN94190195.5A CN1057841C (zh) 1993-04-14 1994-04-13 监视天线状态的方法和装置
US08/356,214 US5590415A (en) 1993-04-14 1994-04-13 Method and device for supervising the condition of an antenna
AU64308/94A AU677310B2 (en) 1993-04-14 1994-04-13 Method and device for supervising the condition of an antenna
JP6522798A JP2992345B2 (ja) 1993-04-14 1994-04-13 アンテナ状態の管理方法および装置
AT94911971T ATE177844T1 (de) 1993-04-14 1994-04-13 Verfahren und gerät zur überwachung des zustandes einer antenne
EP94911971A EP0646248B1 (en) 1993-04-14 1994-04-13 Method and device for supervising the condition of an antenna
NO944823A NO308431B1 (no) 1993-04-14 1994-12-13 FremgangsmÕte og anordning for overvÕkning av en antennes tilstand

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI931672 1993-04-14
FI931672A FI92766C (fi) 1993-04-14 1993-04-14 Menetelmä ja laite antennin kunnon valvomiseksi

Publications (3)

Publication Number Publication Date
FI931672A0 true FI931672A0 (fi) 1993-04-14
FI92766B FI92766B (fi) 1994-09-15
FI92766C FI92766C (fi) 1994-12-27

Family

ID=8537740

Family Applications (1)

Application Number Title Priority Date Filing Date
FI931672A FI92766C (fi) 1993-04-14 1993-04-14 Menetelmä ja laite antennin kunnon valvomiseksi

Country Status (10)

Country Link
US (1) US5590415A (fi)
EP (1) EP0646248B1 (fi)
JP (1) JP2992345B2 (fi)
CN (1) CN1057841C (fi)
AT (1) ATE177844T1 (fi)
AU (1) AU677310B2 (fi)
DE (1) DE69417134T2 (fi)
FI (1) FI92766C (fi)
NO (1) NO308431B1 (fi)
WO (1) WO1994024576A1 (fi)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE506487C2 (sv) * 1994-02-23 1997-12-22 Allgon Ab System med provsändare och sensorer för övervakning av en mottagarantenn
US5678208A (en) * 1995-07-19 1997-10-14 Motorola, Inc. Transmission system
US5781865A (en) * 1996-05-20 1998-07-14 Scientific Research Corporation PCS cell site system for allowing a plurality of PCS providers to share cell site antennas
FI963389A (fi) * 1996-08-30 1998-03-01 Nokia Mobile Phones Ltd Käsipuhelimen opastusjärjestelmä
FI108892B (fi) * 1996-11-21 2002-04-15 Adc Telecommunications Inc Järjestely antennin kunnon mittaamiseksi radiopuhelinjärjestelmässä
DE19705735A1 (de) * 1997-02-14 1998-08-20 Nokia Mobile Phones Ltd Verfahren und Vorrichtung zur Inspektion wenigstens eines Antennenzweigs, insbesondere in einem Fahrzeug
DE19836375C1 (de) * 1998-08-11 2000-05-04 Siemens Ag Verfahren zum Beeinflussen des Pegels eines hochfrequenten Sendesignals in einer Basisstation eines Funkfestnetzes
DE60038816D1 (de) * 2000-01-07 2008-06-19 Ericsson Telefon Ab L M Hf- antennendetektorschaltung
US6329953B1 (en) 2000-09-29 2001-12-11 Rangestar Wireless Method and system for rating antenna performance
ATE321272T1 (de) 2000-11-21 2006-04-15 Datenkompensierende leistungsmessung
US7043270B2 (en) * 2001-08-13 2006-05-09 Andrew Corporation Shared tower system for accomodating multiple service providers
US6850119B2 (en) 2001-08-31 2005-02-01 Rf Micro Devices, Inc. Power amplifier overload protection
AT500914B8 (de) * 2001-10-24 2007-02-15 Siemens Ag Oesterreich Automatische funktionskontrolle einer antenneneinheit einer fahrzeugseitigen bemautungseinheit eines elektronischen mautsystems
US20040127261A1 (en) * 2002-12-30 2004-07-01 Evolium S.A.S. Method and monitoring means for monitoring the performance of an antenna device
JP2006258763A (ja) * 2005-03-18 2006-09-28 Toshiba Corp 反射測定回路及びこの反射測定回路を使用した送信保護装置
EP1878132B1 (en) * 2005-04-29 2012-03-28 Koninklijke Philips Electronics N.V. Method and circuit arrangement for operating multi-channel transmit/receive antenna devices
CN101998452B (zh) 2009-08-25 2014-07-16 英派尔科技开发有限公司 计算天线性能
EP2712021B1 (de) * 2012-09-21 2018-04-04 Siemens Aktiengesellschaft Antenne für ein Schreib-/Lesegerät für RFID-Anordnungen und Schreib-/Lesegerät für den Betrieb mit einer externen Antenne
CN105733905A (zh) * 2014-12-09 2016-07-06 商南县时代生物科技有限公司 一种无渣蒸馏生产酒精的方法
CN108289000B (zh) * 2017-01-10 2022-08-19 中兴通讯股份有限公司 一种天线射频通道告警方法及装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3842358A (en) * 1973-06-18 1974-10-15 Collins Radio Co Voltage standing wave ratio detecting and adjusting apparatus
US3870957A (en) * 1973-10-15 1975-03-11 Itt VSWR alarm system
JPS60165137A (ja) * 1984-02-07 1985-08-28 Mitsubishi Electric Corp 送信表示装置
GB2195454A (en) * 1986-09-15 1988-04-07 Flann Microwave Instr Ltd Microwave network analyser
FI88967C (fi) * 1990-08-17 1993-07-26 Telenokia Oy Foerfarande och anordning foer oevervakning av mottagarantennens stillstaond
FI99167C (fi) * 1991-07-01 1997-10-10 Nokia Telecommunications Oy Menetelmä ja laite dynamiikka-alueen laajentamiseksi suuntakytkimen avulla tapahtuvissa mittauksissa

Also Published As

Publication number Publication date
NO308431B1 (no) 2000-09-11
FI92766C (fi) 1994-12-27
CN1057841C (zh) 2000-10-25
AU677310B2 (en) 1997-04-17
EP0646248B1 (en) 1999-03-17
DE69417134T2 (de) 1999-09-02
AU6430894A (en) 1994-11-08
EP0646248A1 (en) 1995-04-05
JP2992345B2 (ja) 1999-12-20
WO1994024576A1 (en) 1994-10-27
DE69417134D1 (de) 1999-04-22
US5590415A (en) 1996-12-31
JPH07508101A (ja) 1995-09-07
FI92766B (fi) 1994-09-15
NO944823L (no) 1995-02-13
CN1104839A (zh) 1995-07-05
NO944823D0 (no) 1994-12-13
ATE177844T1 (de) 1999-04-15

Similar Documents

Publication Publication Date Title
FI931672A0 (fi) Menetelmä ja laite antennin kunnon valvomiseksi
ATE149675T1 (de) Vorrichtung zur feststellung der wirksamkeit eines maschinenwerkzeugs
DK48092D0 (da) Apparat
ATE282818T1 (de) Vorrichtung zum abfragen einer passiven fühleranordnung
IS6941A (is) Mælitæki
WO2003107036A3 (en) METHOD AND DEVICE FOR DETECTING RADIOACTIVE MATERIALS
CA2304616A1 (en) Method of and apparatus for nonobtrusively obtaining on-line measurements of a process control device parameter
ATE207609T1 (de) Verfahren und vorrichtung zur überprüfung eines sensors
ATE275872T1 (de) Vorrichtung zur venösen kompressionsplethysmographie
DK1036464T3 (da) Fremgangsmåde og apparat til overvågning af en patient
ATE195812T1 (de) Verfahren und vorrichtung zur abstandsmessung
ES8308179A1 (es) Procedimiento y dispositivo de teletransmision de senales, para la deteccion y-o medida del contenido de gas combustibles de una atmosfera.
AU3466993A (en) A device for supervising an area
DE69203446D1 (de) Verfahren und vorrichtung zur determination von gruppen.
DE69022685D1 (de) Vorrichtung zur Feststellung des Polarisationszustands eines optischen Wellenzugs.
SE8900805D0 (sv) Saett att utnyttja en optisk fiber som sensor
NO304125B1 (no) FremgangsmÕte og anordning for Õ overvÕke tilstanden for en mottakerantenne
FR2672793B1 (fr) Procede et dispositif de mesure des proprietes acoustiques passives du poumon.
AU655979B2 (en) Process and device for measuring and monitoring liquid level, based on a fixed reference point, by using ultrasonic waves
JPS56141575A (en) Alarm system for early detection of earthquake
TR27246A (tr) Madeni para muayene sistemi.
JP3004606U (ja) データ伝送システム
FR2703797B1 (fr) Procede et dispositif de controle de la teneur en bore de borophosphosilicate.
DE59602252D1 (de) Ausgabeverfahren und zugehörige ausgabeschaltung
FR2653224B1 (fr) Dispositif permettant un etalonnnage rapide des capteurs a jauges de contrainte et procede d'utilisation.

Legal Events

Date Code Title Description
BB Publication of examined application