FR2298903B1 - - Google Patents

Info

Publication number
FR2298903B1
FR2298903B1 FR7501969A FR7501969A FR2298903B1 FR 2298903 B1 FR2298903 B1 FR 2298903B1 FR 7501969 A FR7501969 A FR 7501969A FR 7501969 A FR7501969 A FR 7501969A FR 2298903 B1 FR2298903 B1 FR 2298903B1
Authority
FR
France
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
Application number
FR7501969A
Other versions
FR2298903A1 (fr
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR7501969A priority Critical patent/FR2298903A1/fr
Priority to GB2036/76A priority patent/GB1519672A/en
Priority to IT47702/76A priority patent/IT1053349B/it
Priority to DE2601869A priority patent/DE2601869C2/de
Priority to NL7600597A priority patent/NL7600597A/xx
Priority to US05/650,855 priority patent/US4015223A/en
Publication of FR2298903A1 publication Critical patent/FR2298903A1/fr
Application granted granted Critical
Publication of FR2298903B1 publication Critical patent/FR2298903B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/38—Impedance-matching networks
    • H03H7/40—Automatic matching of load impedance to source impedance
FR7501969A 1975-01-22 1975-01-22 Dispositif d'adaptation d'antenne et antenne munie d'un tel dispositif Granted FR2298903A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR7501969A FR2298903A1 (fr) 1975-01-22 1975-01-22 Dispositif d'adaptation d'antenne et antenne munie d'un tel dispositif
GB2036/76A GB1519672A (en) 1975-01-22 1976-01-19 Antenna matching device
IT47702/76A IT1053349B (it) 1975-01-22 1976-01-20 Dispositivo di adattamento di antenna in alta frequenza
DE2601869A DE2601869C2 (de) 1975-01-22 1976-01-20 HF-Antennenanpassungseinrichtung
NL7600597A NL7600597A (nl) 1975-01-22 1976-01-21 Aanpassingsinrichting voor hf-antenne.
US05/650,855 US4015223A (en) 1975-01-22 1976-01-21 HF Antenna matching device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7501969A FR2298903A1 (fr) 1975-01-22 1975-01-22 Dispositif d'adaptation d'antenne et antenne munie d'un tel dispositif

Publications (2)

Publication Number Publication Date
FR2298903A1 FR2298903A1 (fr) 1976-08-20
FR2298903B1 true FR2298903B1 (fr) 1978-02-24

Family

ID=9150165

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7501969A Granted FR2298903A1 (fr) 1975-01-22 1975-01-22 Dispositif d'adaptation d'antenne et antenne munie d'un tel dispositif

Country Status (6)

Country Link
US (1) US4015223A (fr)
DE (1) DE2601869C2 (fr)
FR (1) FR2298903A1 (fr)
GB (1) GB1519672A (fr)
IT (1) IT1053349B (fr)
NL (1) NL7600597A (fr)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3033407A1 (de) * 1980-09-05 1982-04-22 Robert Bosch Gmbh, 7000 Stuttgart Sprechfunkgeraet
US4375051A (en) * 1981-02-19 1983-02-22 The Perkin-Elmer Corporation Automatic impedance matching between source and load
US4493112A (en) * 1981-11-19 1985-01-08 Rockwell International Corporation Antenna tuner discriminator
US4485360A (en) * 1982-07-16 1984-11-27 Cincinnati Electronics Corporation Apparatus for and method of impedance matching
US4621242A (en) * 1984-03-19 1986-11-04 The Perkin-Elmer Corporation R.F. impedance match control system
GB2178616B (en) * 1985-07-26 1989-04-26 Marconi Co Ltd Impedance matching arrangement
US4951009A (en) * 1989-08-11 1990-08-21 Applied Materials, Inc. Tuning method and control system for automatic matching network
US5088971A (en) * 1991-03-22 1992-02-18 Mobil Oil Corporation Method of making protruding end stops for plastic reclosable fastener
FI87864C (fi) * 1991-05-09 1993-02-25 Telenokia Oy Anordning och foerfarande foer reglering av ett bandpassfilter, saerskilt ett kombinatorfilter
DE69405442T2 (de) * 1993-03-18 1998-04-02 Ncr Int Inc Übertragungsempfängerschaltkreis für eine integrierte Schaltung
US5483680A (en) * 1994-01-07 1996-01-09 Harris Corporation Tuning method for automatic antenna couplers
GB2289989B (en) * 1994-05-25 1999-01-06 Nokia Mobile Phones Ltd Adaptive antenna matching
US5629653A (en) * 1995-07-07 1997-05-13 Applied Materials, Inc. RF match detector circuit with dual directional coupler
US5631611A (en) * 1996-06-18 1997-05-20 Nautel Limited Automatic matching and tuning network
US6414562B1 (en) * 1997-05-27 2002-07-02 Motorola, Inc. Circuit and method for impedance matching
US6825794B2 (en) 2000-06-02 2004-11-30 Research In Motion Limited Wireless communication system using surface acoustic wave (SAW) second harmonic techniques
US6570462B2 (en) * 2000-11-08 2003-05-27 Research In Motion Limited Adaptive tuning device and method utilizing a surface acoustic wave device for tuning a wireless communication device
US6608603B2 (en) * 2001-08-24 2003-08-19 Broadcom Corporation Active impedance matching in communications systems
EP1542026A1 (fr) * 2003-12-11 2005-06-15 Siemens Aktiengesellschaft Dispositif et méthode pour determiner le coefficient de réflexion avec une antenne, dispositif et méthode d'adaption automatique d'un amplificateur de puissance à une antenne, et dispositif et méthode de réduction automatique de la puissance de sortie d'un amplificateur
WO2007103537A2 (fr) 2006-03-08 2007-09-13 Wispry, Inc. Réseaux d'adaptation d'impédance accordables et systèmes d'adaptation de diplex eur accordables
KR100785079B1 (ko) * 2006-04-04 2007-12-12 삼성전자주식회사 부하의 임피던스 정합시스템 및 정합방법과, 이를 적용한네트워크 분석기
FR2934421B1 (fr) * 2008-07-23 2010-08-13 St Microelectronics Tours Sas Detection de valeur d'une impedance d'un systeme radiofrequence
DE102009004720B4 (de) * 2009-01-15 2017-07-27 Qualcomm Technologies, Inc. (N.D.Ges.D. Staates Delaware) Multiband-Impedanzanpass-Schaltung zur Anpassung von Planarantennen
US9143172B2 (en) * 2009-06-03 2015-09-22 Qualcomm Incorporated Tunable matching circuits for power amplifiers
US8963611B2 (en) * 2009-06-19 2015-02-24 Qualcomm Incorporated Power and impedance measurement circuits for a wireless communication device
US8750810B2 (en) * 2009-07-24 2014-06-10 Qualcomm Incorporated Power amplifier with switched output matching for multi-mode operation
US8072272B2 (en) 2009-08-19 2011-12-06 Qualcomm, Incorporated Digital tunable inter-stage matching circuit
US9559639B2 (en) * 2009-08-19 2017-01-31 Qualcomm Incorporated Protection circuit for power amplifier
US8680940B2 (en) * 2010-01-15 2014-03-25 Wispry, Inc. Tunable matching network circuit topology devices and methods
US9031523B2 (en) * 2012-06-26 2015-05-12 Htc Corporation Systems and methods for determining antenna impedance
CN107636894B (zh) 2015-05-18 2021-04-23 卡文迪什动力有限公司 维持恒定天线谐振频率和阻抗匹配的方法和装置
US10355662B2 (en) * 2016-12-06 2019-07-16 Honeywell International Inc. Impedance matching using tunable elements
US10736050B2 (en) 2018-07-09 2020-08-04 Honeywell International Inc. Adjusting transmission power of an antenna based on an object causing path loss in a communication link

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3601717A (en) * 1969-11-20 1971-08-24 Gen Dynamics Corp System for automatically matching a radio frequency power output circuit to a load
US3794941A (en) * 1972-05-08 1974-02-26 Hughes Aircraft Co Automatic antenna impedance tuner including digital control circuits
US3846713A (en) * 1972-06-12 1974-11-05 Drake R Co Method and apparatus for tuning an amplifier circuit
US3959746A (en) * 1973-10-17 1976-05-25 International Telephone And Telegraph Corporation Automatic antenna coupler tuning control circuit

Also Published As

Publication number Publication date
FR2298903A1 (fr) 1976-08-20
GB1519672A (en) 1978-08-02
DE2601869A1 (de) 1976-07-29
DE2601869C2 (de) 1983-01-13
IT1053349B (it) 1981-08-31
NL7600597A (nl) 1976-07-26
US4015223A (en) 1977-03-29

Similar Documents

Publication Publication Date Title
FR2298903B1 (fr)
CH600513A5 (fr)
CH582390A5 (fr)
BG22116A1 (fr)
BG22147A1 (fr)
BG22158A1 (fr)
BG22239A1 (fr)
BG22250A1 (fr)
BG22315A1 (fr)
BG22771A1 (fr)
BG23308A1 (fr)
CH575785A5 (fr)
CH601415A5 (fr)
CH582554A5 (fr)
CH584450A5 (fr)
CH585874A5 (fr)
CH586398A5 (fr)
CH586474A5 (fr)
CH587515B5 (fr)
CH590510B5 (fr)
CH591038A5 (fr)
CH591249A5 (fr)
CH591350A5 (fr)
CH591715A5 (fr)
CH593771A5 (fr)

Legal Events

Date Code Title Description
ST Notification of lapse