ES2174041T3 - Circuito de alimentacion y de modulacion para una etiqueta interrogable a distancia. - Google Patents

Circuito de alimentacion y de modulacion para una etiqueta interrogable a distancia.

Info

Publication number
ES2174041T3
ES2174041T3 ES96402555T ES96402555T ES2174041T3 ES 2174041 T3 ES2174041 T3 ES 2174041T3 ES 96402555 T ES96402555 T ES 96402555T ES 96402555 T ES96402555 T ES 96402555T ES 2174041 T3 ES2174041 T3 ES 2174041T3
Authority
ES
Spain
Prior art keywords
circuit
interrogable
label
distance
power supply
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
ES96402555T
Other languages
English (en)
Inventor
Pierre Raimbault
Jean Goupil
Aderito Rodrigue
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of ES2174041T3 publication Critical patent/ES2174041T3/es
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
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record 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
    • G06K19/067—Record 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
    • G06K19/07—Record 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
    • G06K19/0723—Record 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)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Near-Field Transmission Systems (AREA)
  • Selective Calling Equipment (AREA)
  • Electronic Switches (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)

Abstract

LA INVENCION SE REFIERE A UN CIRCUITO DE ALIMENTACION Y DE MODULACION, PARTICULARMENTE PARA UNA ETIQUETA INTERROGABLE A DISTANCIA. ESTE CIRCUITO COMPRENDE PARTICULARMENTE UN BOBINADO PARA DETECTAR UN CAMPO INDUCTOR Y MODULAR ESTE CAMPO, MEDIOS PARA CONSTITUIR CON EL BOBINADO UN CIRCUITO RESONANTE EN SERIE EN AUSENCIA DE MODULACION, MEDIOS PARA CONSTITUIR CON EL BOBINADO UN CIRCUITO RESONANTE PARALELO PARA MODULAR EL CAMPO INDUCTOR Y MEDIOS PARA RECTIFICAR LA TENSION INDUCIDA POR EL CAMPO INDUCTOR EN EL BOBINADO PARA PROPORCIONAR UNA TENSION DE ALIMENTACION. DE APLICACION PARTICULARMENTE EN LOS SECTORES DE ACTIVIDAD QUE NECESITAN EL RECUENTO, LA CONTABILIZACION, LA ORIENTACION, EL CONTROL DE OBJETO Y/O DE PERSONAS DOTADAS DE ETIQUETAS.
ES96402555T 1995-12-01 1996-11-27 Circuito de alimentacion y de modulacion para una etiqueta interrogable a distancia. Expired - Lifetime ES2174041T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9514253A FR2741978B1 (fr) 1995-12-01 1995-12-01 Circuit d'alimentation et de modulation pour une etiquette interrogeable a distance

Publications (1)

Publication Number Publication Date
ES2174041T3 true ES2174041T3 (es) 2002-11-01

Family

ID=9485076

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96402555T Expired - Lifetime ES2174041T3 (es) 1995-12-01 1996-11-27 Circuito de alimentacion y de modulacion para una etiqueta interrogable a distancia.

Country Status (7)

Country Link
US (1) US5808550A (es)
EP (1) EP0777193B1 (es)
AT (1) ATE214821T1 (es)
CA (1) CA2191794C (es)
DE (1) DE69619937T2 (es)
ES (1) ES2174041T3 (es)
FR (1) FR2741978B1 (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69733201T2 (de) * 1997-12-23 2006-01-26 Em Microelectronic-Marin S.A. Transponder für "Halbduplex"-Kommunikation
US6127929A (en) * 1997-12-23 2000-10-03 Em Microelectronic-Marin Sa Transponder for half-duplex communication
US6008727A (en) * 1998-09-10 1999-12-28 Xerox Corporation Selectively enabled electronic tags
FR2787655B1 (fr) * 1998-12-21 2001-03-09 St Microelectronics Sa Modulation capacitive dans un transpondeur electromagnetique
US6351906B1 (en) 1999-11-05 2002-03-05 Ernest M. Honig, Jr. Firearm automatic locking system and method
US6208269B1 (en) 1999-12-29 2001-03-27 The Boeing Company Automatically activated rescue radio and associated method
KR100721057B1 (ko) 2005-11-03 2007-05-22 한국전자통신연구원 무선주파수 식별 태그를 위한 전압체배기
US7932642B2 (en) * 2006-06-14 2011-04-26 International Business Machines Corporation Method and system for reading a transponder
US8234507B2 (en) 2009-01-13 2012-07-31 Metrologic Instruments, Inc. Electronic-ink display device employing a power switching mechanism automatically responsive to predefined states of device configuration
US9179492B2 (en) * 2011-10-26 2015-11-03 Texas Instruments Deutschland Gmbh Electronic device, method and system for half duplex data transmission

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1577920A (en) * 1976-11-01 1980-10-29 Nedap Nv Detection plate for identification systems
NL8601021A (nl) 1986-04-22 1987-11-16 Nedap Nv Programmeerbare responder.
NL8701565A (nl) * 1987-07-03 1989-02-01 Nedap Nv Identificatiesysteem met twee werkingsmodes.
NL8901659A (nl) * 1989-06-30 1991-01-16 Nedap Nv Multipassysteem.
DK164336C (da) * 1990-02-19 1992-11-02 Karsten Gyde Pilested Sikringssystem til at overvaage emners, f.eks. varers, passage forbi bestemte zoner
US5317330A (en) * 1992-10-07 1994-05-31 Westinghouse Electric Corp. Dual resonant antenna circuit for RF tags
US5491468A (en) * 1993-06-24 1996-02-13 Westinghouse Electric Corporation Identification system and method with passive tag
DE69533507D1 (de) * 1995-06-30 2004-10-21 St Microelectronics Srl Elektronisch getriebener Schalter, diesen verwendende integrierte Schaltung und elektronische Karte

Also Published As

Publication number Publication date
EP0777193B1 (fr) 2002-03-20
DE69619937T2 (de) 2002-11-14
ATE214821T1 (de) 2002-04-15
CA2191794C (fr) 2006-06-13
US5808550A (en) 1998-09-15
FR2741978B1 (fr) 1998-01-23
DE69619937D1 (de) 2002-04-25
CA2191794A1 (fr) 1997-06-02
FR2741978A1 (fr) 1997-06-06
EP0777193A1 (fr) 1997-06-04

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