ATE120279T1 - Modem für mikrowellenkarte mit einem reflexionsverstärker. - Google Patents

Modem für mikrowellenkarte mit einem reflexionsverstärker.

Info

Publication number
ATE120279T1
ATE120279T1 AT91402991T AT91402991T ATE120279T1 AT E120279 T1 ATE120279 T1 AT E120279T1 AT 91402991 T AT91402991 T AT 91402991T AT 91402991 T AT91402991 T AT 91402991T AT E120279 T1 ATE120279 T1 AT E120279T1
Authority
AT
Austria
Prior art keywords
modem
amplifier
transmission
transistor
reflection amplifier
Prior art date
Application number
AT91402991T
Other languages
English (en)
Inventor
Marc Camiade
Pierre Quentin
Pierre Savary
Jean-Philippe Brandeau
Original Assignee
Thomson Csf Semiconducteurs
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 Semiconducteurs filed Critical Thomson Csf Semiconducteurs
Application granted granted Critical
Publication of ATE120279T1 publication Critical patent/ATE120279T1/de

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/82Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted
    • G01S13/825Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted with exchange of information between interrogator and responder
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/0723Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Theoretical Computer Science (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Transmitters (AREA)
  • Amplifiers (AREA)
  • Microwave Amplifiers (AREA)
AT91402991T 1990-11-16 1991-11-07 Modem für mikrowellenkarte mit einem reflexionsverstärker. ATE120279T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9014292A FR2669475B1 (fr) 1990-11-16 1990-11-16 Modem pour badge hyperfrequence, a amplificateur a reflexion.

Publications (1)

Publication Number Publication Date
ATE120279T1 true ATE120279T1 (de) 1995-04-15

Family

ID=9402273

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91402991T ATE120279T1 (de) 1990-11-16 1991-11-07 Modem für mikrowellenkarte mit einem reflexionsverstärker.

Country Status (7)

Country Link
US (1) US5305469A (de)
EP (1) EP0486367B1 (de)
JP (1) JPH04268479A (de)
AT (1) ATE120279T1 (de)
CA (1) CA2055579A1 (de)
DE (1) DE69108354T2 (de)
FR (1) FR2669475B1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0496520A (ja) * 1990-08-13 1992-03-27 Sharp Corp データ送信装置
GB9324534D0 (en) * 1993-11-30 1994-01-19 Marconi Gec Ltd Circuit arrangement
DE4410896A1 (de) * 1994-03-29 1995-10-05 Bosch Gmbh Robert Fahrzeuggerät für Transponderbetrieb
US6148182A (en) * 1996-10-28 2000-11-14 Int Labs, Inc. Technique to facilitate the independent bi-directional data transmission on a single amplitude modulated carrier
JPH11261434A (ja) * 1998-03-09 1999-09-24 Alps Electric Co Ltd 変復調装置
GB9808762D0 (en) 1998-04-25 1998-06-24 Marconi Gec Ltd Modulated reflector circuit
GB2351193A (en) * 1999-06-17 2000-12-20 Marconi Electronic Syst Ltd AM receiver
GB2351423A (en) * 1999-06-25 2000-12-27 Marconi Electronic Syst Ltd Modulator circuit
CN1315074A (zh) * 1999-06-30 2001-09-26 三菱电机株式会社 微波放大器
US6838989B1 (en) 1999-12-22 2005-01-04 Intermec Ip Corp. RFID transponder having active backscatter amplifier for re-transmitting a received signal
JP3724450B2 (ja) * 2002-04-23 2005-12-07 株式会社村田製作所 無線通信用高周波回路およびそれを備えた通信機
US7830211B2 (en) * 2005-07-29 2010-11-09 Broadcom Corporation Input inductive network for sample and hold amplifiers in high speed data converters
KR101616936B1 (ko) * 2009-01-16 2016-04-29 한국전자통신연구원 중앙 집중형 네트워크에서 자원 예약 방법
GB2472272A (en) * 2009-07-31 2011-02-02 Cambridge Silicon Radio Ltd An amplifier circuit for a transceiver includes a common amplifier which forms part of both a receive cascode and a transmit cascode
EP2439702B1 (de) * 2010-10-05 2017-12-06 Kapsch TrafficCom AB Einzelantennen-Fahrzeugtransponder
TWI669912B (zh) * 2018-02-02 2019-08-21 國立交通大學 無線收發裝置
WO2022006385A2 (en) * 2020-07-01 2022-01-06 Macom Technology Solutions Holdings, Inc. Active bias circuit

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2930606A1 (de) * 1979-07-27 1981-01-29 Dittel Walter Gmbh Simplex-sende-empfangsgeraet
US5164732A (en) * 1980-02-13 1992-11-17 Eid Electronic Identification Systems Ltd. Highway vehicle identification system with high gain antenna
US4507625A (en) * 1982-06-28 1985-03-26 Gte Communications Systems Corporation Switched capacitor AM modulator/demodulator
US4504804A (en) * 1982-06-28 1985-03-12 Gte Lenkurt Incorporated Switched capacitor balanced modulator/demodulator
US4650981A (en) * 1984-01-26 1987-03-17 Foletta Wayne S Credit card with active electronics
US4591803A (en) * 1984-05-29 1986-05-27 At&T Bell Laboratories Linear FET power amplifier
FR2624677B1 (fr) * 1987-12-10 1994-04-01 Fabrication Instruments Mesure Systeme de liaison hertzienne bidirectionnelle
CH676164A5 (de) * 1988-05-28 1990-12-14 Sc Techn Dipl Ing Peter A Neuk
JP2612190B2 (ja) * 1988-08-31 1997-05-21 山武ハネウエル株式会社 応答装置と質問装置からなる全二重通信装置
US4988960A (en) * 1988-12-21 1991-01-29 Yamaha Corporation FM demodulation device and FM modulation device employing a CMOS signal delay device
FR2650905B1 (fr) * 1989-08-08 1994-08-26 Guena Jean Systeme radio de transmission de donnees a une extremite passive de faible cout
FR2658374B1 (fr) * 1990-02-09 1992-06-05 Signaux Equipements Electro Ci Systeme hyperfrequence de transmission de donnees a distance.
FR2669484B1 (fr) * 1990-11-16 1994-03-25 Thomson Composants Microondes Dispositif de telecommunications par ondes electromagnetiques.
US5162748A (en) * 1991-11-29 1992-11-10 General Electric Company Switchable FET distortion generator

Also Published As

Publication number Publication date
EP0486367A1 (de) 1992-05-20
FR2669475B1 (fr) 1993-01-22
CA2055579A1 (fr) 1992-05-17
JPH04268479A (ja) 1992-09-24
EP0486367B1 (de) 1995-03-22
FR2669475A1 (fr) 1992-05-22
US5305469A (en) 1994-04-19
DE69108354D1 (de) 1995-04-27
DE69108354T2 (de) 1995-07-20

Similar Documents

Publication Publication Date Title
ATE120279T1 (de) Modem für mikrowellenkarte mit einem reflexionsverstärker.
KR920001882A (ko) 이동 전화장치
ES2063449T3 (es) Sistema de comunicacion celular por satelite con unidad de abonado asistida en posicion.
NO830791L (no) System for kommunikasjon paa stoeybelagte linjer
FI922233A0 (fi) Tillstaondskonverter.
ATE145488T1 (de) Antennensystem für eine abfragestation zur identifizierung von gegenständen
ATE184439T1 (de) Funk-nachrichtenübertragungssystem, insbesondere zellulares mobilfunksystem
FR2670328B1 (fr) Equipement de pointage d'antenne.
DE3587848D1 (de) Optisches schaltungsmittel.
FR2718292B1 (fr) Antenne d'émission et/ou de réception de signaux électromagnétiques, en particulier hyperfréquences, et dispositif utilisant une telle antenne.
DE69104690D1 (de) Elektromagnetische Wellen nutzendes Datenaustauschsystem.
FI96995C (fi) Tietoliikennejärjestelmä, järjestelmässä käytettävä asema ja järjestelmässä käytettävä veräjäkytkentäelin sekä veräjäkytkentäelimen sisältävä laite
FR2691841B1 (fr) Connecteur pour antenne radio.
FR2649560B1 (fr) Base de transmission pour un dispositif de communication radiotelephonique
ES2106066T3 (es) Dispositivo de telecomunicaciones por ondas electromagneticas.
FR2711847B1 (fr) Moyen d'occultation pour antenne de radar.
FR2709877B1 (fr) Antenne active à balayage électronique en azimut et en élévation, en particulier pour l'imagerie hyperfréquence par satellite.
HK47597A (en) Circuit to increase the information output rate in a data-exchange system
DE59308497D1 (de) Verfahren zur Datenübertragung zwischen einer Feststation und sich bewegenden Objekten
FR2664447B1 (fr) Dispositif de couplage d'une antenne a des organes de radio communication.
DE69119041D1 (de) Verfahren zur Funkübertragung von Nachrichten zwischen Satelliten und Grundstationen und Anordnungen zur Ausführung des Verfahrens
ES2104692T3 (es) Exploracion multiple de frecuencia en un sistema de comunicacion de llamadas selectivas.
SE9201381D0 (sv) Skaermanordning
FR2678689B1 (fr) Dispositif de fixation d'une antenne, notamment pour poste auto-radio, sur un corps d'antenne.
DE59409201D1 (de) Empfänger für ASK-modulierte Mikrowellensignale

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee