FR2806563B1 - Procede de modulation d'amplitude, notamment pour lecteur sans contact, et dispositif de mise en oeuvre - Google Patents

Procede de modulation d'amplitude, notamment pour lecteur sans contact, et dispositif de mise en oeuvre

Info

Publication number
FR2806563B1
FR2806563B1 FR0003259A FR0003259A FR2806563B1 FR 2806563 B1 FR2806563 B1 FR 2806563B1 FR 0003259 A FR0003259 A FR 0003259A FR 0003259 A FR0003259 A FR 0003259A FR 2806563 B1 FR2806563 B1 FR 2806563B1
Authority
FR
France
Prior art keywords
amplitude modulation
modulation method
implementation device
contactless reader
contactless
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.)
Expired - Lifetime
Application number
FR0003259A
Other languages
English (en)
Other versions
FR2806563A1 (fr
Inventor
Michel Ousset
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.)
Gemplus SA
Original Assignee
Gemplus Card International SA
Gemplus 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 Gemplus Card International SA, Gemplus SA filed Critical Gemplus Card International SA
Priority to FR0003259A priority Critical patent/FR2806563B1/fr
Priority to PCT/FR2001/000550 priority patent/WO2001069776A1/fr
Priority to AU81472/01A priority patent/AU8147201A/en
Publication of FR2806563A1 publication Critical patent/FR2806563A1/fr
Application granted granted Critical
Publication of FR2806563B1 publication Critical patent/FR2806563B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/0008—General problems related to the reading of electronic memory record carriers, independent of its reading method, e.g. power transfer
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10198—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves setting parameters for the interrogator, e.g. programming parameters and operating modes
    • G06K7/10217—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves setting parameters for the interrogator, e.g. programming parameters and operating modes parameter settings controlling the transmission power of the interrogator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/36—Amplitude modulation by means of semiconductor device having at least three electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Amplifiers (AREA)
  • Amplitude Modulation (AREA)
FR0003259A 2000-03-14 2000-03-14 Procede de modulation d'amplitude, notamment pour lecteur sans contact, et dispositif de mise en oeuvre Expired - Lifetime FR2806563B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR0003259A FR2806563B1 (fr) 2000-03-14 2000-03-14 Procede de modulation d'amplitude, notamment pour lecteur sans contact, et dispositif de mise en oeuvre
PCT/FR2001/000550 WO2001069776A1 (fr) 2000-03-14 2001-02-26 Dispositif de modulation d'amplitude, notamment pour lecteur sans contact, et procede de mise en oeuvre
AU81472/01A AU8147201A (en) 2000-03-14 2001-02-26 Amplitude modulation device, in particular for contact-free reader and device therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0003259A FR2806563B1 (fr) 2000-03-14 2000-03-14 Procede de modulation d'amplitude, notamment pour lecteur sans contact, et dispositif de mise en oeuvre

Publications (2)

Publication Number Publication Date
FR2806563A1 FR2806563A1 (fr) 2001-09-21
FR2806563B1 true FR2806563B1 (fr) 2002-06-21

Family

ID=8848070

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0003259A Expired - Lifetime FR2806563B1 (fr) 2000-03-14 2000-03-14 Procede de modulation d'amplitude, notamment pour lecteur sans contact, et dispositif de mise en oeuvre

Country Status (3)

Country Link
AU (1) AU8147201A (fr)
FR (1) FR2806563B1 (fr)
WO (1) WO2001069776A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004022839A1 (de) * 2004-05-08 2005-12-01 Conti Temic Microelectronic Gmbh Sendeschaltung für ein Transpondersystem zur Übertragung eines digitalen Signals über eine Sendeantenne
SG185687A1 (en) 2010-06-08 2012-12-28 Widex As Monitoring device and method for wireless power transmission in a monitoring device
US9166562B2 (en) 2013-02-25 2015-10-20 Qualcomm Incorporated Impedance transformation network for improved driver circuit performance
US10381874B2 (en) * 2011-03-25 2019-08-13 Qualcomm Incorporated Filter for improved driver circuit efficiency and method of operation
CN106169092B (zh) * 2016-07-08 2023-04-28 浙江悦和科技有限公司 一种rfid标签芯片中的射频调制电路

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3106669A1 (de) * 1981-02-23 1982-09-09 Siemens AG, 1000 Berlin und 8000 München Einrichtung zur einspeisung von digitalen signalen in ein leitungssystem
US5586145A (en) * 1993-01-11 1996-12-17 Morgan; Harry C. Transmission of electronic information by pulse position modulation utilizing low average power
JP3189631B2 (ja) * 1995-07-10 2001-07-16 株式会社村田製作所 ミキサ
WO1997038490A1 (fr) * 1996-04-08 1997-10-16 Romano Harry A Procede et appareil de modulation par interruption

Also Published As

Publication number Publication date
FR2806563A1 (fr) 2001-09-21
WO2001069776A1 (fr) 2001-09-20
AU8147201A (en) 2001-09-24

Similar Documents

Publication Publication Date Title
SG90036A1 (en) A method and system for tracking smart card loyalty points
EP1157364A4 (fr) Procede et dispositif permettant l'identification radiofrequence
FR2784712B1 (fr) Procede et dispositif d'actionnement electromagnetique de soupape
EP1134704A4 (fr) Procede de distinction original/contrefacon, objet de distinction original/contrefacon et dispositif de distinction original/contrefacon
AU5911601A (en) Object tracking and management system and method using radio-frequency identification tags
FR2826205B1 (fr) Procede de modulation de l'amplitude d'un signal radiofrequence, et dispositif pour sa mise en oeuvre
FR2688961B1 (fr) Procede et appareil d'extraction de signal d'horloge pour recepteur a diversite de frequence, et radiotelephone les utilisant.
EP1424781A4 (fr) Dispositif et procede pour la transmission d'informations, dispositif et procede pour la reception d'informations
FR2768880B1 (fr) Demodulateur pour carte a puce sans contact
FR2714988B1 (fr) Système pour l'identification sans contact d'objets, notamment d'objets métalliques.
FR2811829B1 (fr) Procede et dispositif pour regler le temps mort entre des signaux d'horloge sans chevauchement
FR2806563B1 (fr) Procede de modulation d'amplitude, notamment pour lecteur sans contact, et dispositif de mise en oeuvre
SG96234A1 (en) Card system, ic card and card reader/writer used for the card system
FR2784209B1 (fr) Procede et dispositif de paiement sans contact avec support a microcircuit
FR2641923B1 (fr) Procede d'asservissement des parametres d'un modulateur a 2n etats de phase et d'amplitude, et dispositif de mise en oeuvre de ce procede
FR2785068B1 (fr) Procede et dispositif de codage pour la transmission de donnees par modulation de charge et couplage inductif
FR2672454B1 (fr) Procede de demodulation coherente pour modulation a deplacement de phase et dispositif de mise en óoeuvre de ce procede.
FR2780209B1 (fr) Procede de raccordement de cables, et dispositif pour sa mise en oeuvre
FR2794921B1 (fr) Procede et dispositif de transformation de donnees reelles en symboles complexes, notamment pour la reception de porteuses modulees en phase et en amplitude et transmises sur une ligne telephonique
FR2787519B1 (fr) Dispositif d'injection et procede de mise en oeuvre associe
FR2751748B1 (fr) Procede de caracterisation d'une surface et dispositif pour la mise en oeuvre de ce procede
FR2765757B1 (fr) Procede et dispositif de modulation d'un signal multiporteuse de type ofdm/oqam, et procede et dispositif de demodulation correspondants
FR2830496B1 (fr) Dispositif antivol, procede de mise en oeuvre d'un tel dispositif et elements constitutifs de celui-ci
FR2781588B1 (fr) Carte sans contact et procede de realisation d'une telle carte
FR2756960B1 (fr) Dispositif et procede d'aide anti-abordage, notamment pour aeronefs

Legal Events

Date Code Title Description
CL Concession to grant licences
CD Change of name or company name
TP Transmission of property
PLFP Fee payment

Year of fee payment: 17

PLFP Fee payment

Year of fee payment: 18

PLFP Fee payment

Year of fee payment: 19

PLFP Fee payment

Year of fee payment: 20