FR2796226B1 - Decodeur de signaux binaires transmis a une carte a puce sans contact par modulation de position d'impulsions - Google Patents

Decodeur de signaux binaires transmis a une carte a puce sans contact par modulation de position d'impulsions

Info

Publication number
FR2796226B1
FR2796226B1 FR9909051A FR9909051A FR2796226B1 FR 2796226 B1 FR2796226 B1 FR 2796226B1 FR 9909051 A FR9909051 A FR 9909051A FR 9909051 A FR9909051 A FR 9909051A FR 2796226 B1 FR2796226 B1 FR 2796226B1
Authority
FR
France
Prior art keywords
chip card
binary signal
pulse position
signal decoder
position modulation
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 - Fee Related
Application number
FR9909051A
Other languages
English (en)
Other versions
FR2796226A1 (fr
Inventor
Ahmed Kari
Vineet Tiwari
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.)
STMicroelectronics SA
Original Assignee
STMicroelectronics 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 STMicroelectronics SA filed Critical STMicroelectronics SA
Priority to FR9909051A priority Critical patent/FR2796226B1/fr
Publication of FR2796226A1 publication Critical patent/FR2796226A1/fr
Application granted granted Critical
Publication of FR2796226B1 publication Critical patent/FR2796226B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K9/00—Demodulating pulses which have been modulated with a continuously-variable signal
    • H03K9/04—Demodulating pulses which have been modulated with a continuously-variable signal of position-modulated pulses

Landscapes

  • Engineering & Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
FR9909051A 1999-07-09 1999-07-09 Decodeur de signaux binaires transmis a une carte a puce sans contact par modulation de position d'impulsions Expired - Fee Related FR2796226B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9909051A FR2796226B1 (fr) 1999-07-09 1999-07-09 Decodeur de signaux binaires transmis a une carte a puce sans contact par modulation de position d'impulsions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9909051A FR2796226B1 (fr) 1999-07-09 1999-07-09 Decodeur de signaux binaires transmis a une carte a puce sans contact par modulation de position d'impulsions

Publications (2)

Publication Number Publication Date
FR2796226A1 FR2796226A1 (fr) 2001-01-12
FR2796226B1 true FR2796226B1 (fr) 2001-08-10

Family

ID=9548033

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9909051A Expired - Fee Related FR2796226B1 (fr) 1999-07-09 1999-07-09 Decodeur de signaux binaires transmis a une carte a puce sans contact par modulation de position d'impulsions

Country Status (1)

Country Link
FR (1) FR2796226B1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2579038B1 (fr) * 1985-03-15 1987-05-22 Telecommunications Sa Perfectionnement aux systemes de reception de messages transmis par modulation en position d'impulsions (ppm)
DE4003410A1 (de) * 1990-02-05 1991-08-08 Anatoli Stobbe Tragbares feldprogrammierbares detektierplaettchen
US5243626A (en) * 1991-08-29 1993-09-07 Apple Computer, Inc. Method for clocks synchronization for receiving pulse position encoded signals
JPH06334529A (ja) * 1993-05-21 1994-12-02 Sharp Corp 変復調装置
US5661470A (en) * 1994-03-04 1997-08-26 Karr; Gerald S. Object recognition system
IT1291022B1 (it) * 1997-01-22 1998-12-14 Urmet Costruzioni Elettro Tele Sistema per la trasmissione bidirezionale senza contatti di dati ed energia tra un lettore e una carta-chip particolarmente per uso

Also Published As

Publication number Publication date
FR2796226A1 (fr) 2001-01-12

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20080331