NO894422L - Naerhetsavlesningssystem for kodede merkebrikker. - Google Patents

Naerhetsavlesningssystem for kodede merkebrikker.

Info

Publication number
NO894422L
NO894422L NO89894422A NO894422A NO894422L NO 894422 L NO894422 L NO 894422L NO 89894422 A NO89894422 A NO 89894422A NO 894422 A NO894422 A NO 894422A NO 894422 L NO894422 L NO 894422L
Authority
NO
Norway
Prior art keywords
frequency
response signal
signal
low
equipment
Prior art date
Application number
NO89894422A
Other languages
English (en)
Norwegian (no)
Other versions
NO894422D0 (no
Inventor
Robert L Mccarron
Lincoln H Charlot Jr
Original Assignee
Security Tag Systems Inc
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 Security Tag Systems Inc filed Critical Security Tag Systems Inc
Publication of NO894422D0 publication Critical patent/NO894422D0/no
Publication of NO894422L publication Critical patent/NO894422L/no

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Near-Field Transmission Systems (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Labeling Devices (AREA)
NO89894422A 1988-11-09 1989-11-07 Naerhetsavlesningssystem for kodede merkebrikker. NO894422L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US26996288A 1988-11-09 1988-11-09

Publications (2)

Publication Number Publication Date
NO894422D0 NO894422D0 (no) 1989-11-07
NO894422L true NO894422L (no) 1990-05-10

Family

ID=23029324

Family Applications (1)

Application Number Title Priority Date Filing Date
NO89894422A NO894422L (no) 1988-11-09 1989-11-07 Naerhetsavlesningssystem for kodede merkebrikker.

Country Status (5)

Country Link
EP (1) EP0369622A3 (fr)
JP (1) JPH02178893A (fr)
AU (1) AU4442789A (fr)
CA (1) CA2001445A1 (fr)
NO (1) NO894422L (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4243108A1 (de) * 1992-12-18 1994-06-23 Eurosil Electronic Gmbh IC-Karte
FR2780220A1 (fr) 1998-06-22 1999-12-24 Sgs Thomson Microelectronics Transmission de donnees numeriques sur une ligne d'alimentation alternative
FR2780221B1 (fr) 1998-06-22 2000-09-29 Sgs Thomson Microelectronics Emission d'une consigne de fonctionnement par une ligne d'alimentation alternative
FR2790154A1 (fr) * 1999-02-23 2000-08-25 Innovatron Electronique Borne de communication sans contact par induction avec des objets portatifs, comportant un detecteur a demodulation de phase
FR2792132B1 (fr) 1999-04-07 2001-11-02 St Microelectronics Sa Borne de lecture d'un transpondeur electromagnetique fonctionnant en couplage tres proche
FR2792135B1 (fr) 1999-04-07 2001-11-02 St Microelectronics Sa Fonctionnement en complage tres proche d'un systeme a transpondeur electromagnetique
US6650226B1 (en) 1999-04-07 2003-11-18 Stmicroelectronics S.A. Detection, by an electromagnetic transponder reader, of the distance separating it from a transponder
FR2792130B1 (fr) * 1999-04-07 2001-11-16 St Microelectronics Sa Transpondeur electromagnetique a fonctionnement en couplage tres proche
FR2792136B1 (fr) 1999-04-07 2001-11-16 St Microelectronics Sa Transmission en duplex dans un systeme de transpondeurs electromagnetiques
FR2792134B1 (fr) 1999-04-07 2001-06-22 St Microelectronics Sa Detection de distance entre un transpondeur electromagnetique et une borne
US7049935B1 (en) 1999-07-20 2006-05-23 Stmicroelectronics S.A. Sizing of an electromagnetic transponder system for a dedicated distant coupling operation
FR2796781A1 (fr) 1999-07-20 2001-01-26 St Microelectronics Sa Dimensionnement d'un systeme a transpondeur electromagnetique pour un fonctionnement en hyperproximite
FR2804557B1 (fr) 2000-01-31 2003-06-27 St Microelectronics Sa Adaptation de la puissance d'emission d'un lecteur de transpondeur electromagnetique
FR2808945B1 (fr) 2000-05-12 2002-08-16 St Microelectronics Sa Evaluation du nombre de transpondeurs electromagnetiques dans le champ d'un lecteur
FR2808946A1 (fr) 2000-05-12 2001-11-16 St Microelectronics Sa Validation de la presence d'un transpondeur electromagnetique dans le champ d'un lecteur
FR2808942B1 (fr) 2000-05-12 2002-08-16 St Microelectronics Sa Validation de la presence d'un transpondeur electromagnetique dans le champ d'un lecteur a demodulation de phase
FR2808941B1 (fr) 2000-05-12 2002-08-16 St Microelectronics Sa Validation de la presence d'un transpondeur electromagnetique dans le champ d'un lecteur a demodulation d'amplitude
FR2809235A1 (fr) 2000-05-17 2001-11-23 St Microelectronics Sa Antenne de generation d'un champ electromagnetique pour transpondeur
FR2812986B1 (fr) 2000-08-09 2002-10-31 St Microelectronics Sa Detection d'une signature electrique d'un transpondeur electromagnetique
US20030169169A1 (en) 2000-08-17 2003-09-11 Luc Wuidart Antenna generating an electromagnetic field for transponder

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4580041A (en) * 1983-12-09 1986-04-01 Walton Charles A Electronic proximity identification system with simplified low power identifier
GB8509135D0 (en) * 1985-04-10 1985-05-15 Gen Electric Co Plc Transaction system
IT1213530B (it) * 1986-11-05 1989-12-20 Audemars R S A Sistema di identificazione.
JPS63221951A (ja) * 1987-03-06 1988-09-14 Omron Tateisi Electronics Co 物品識別システム

Also Published As

Publication number Publication date
NO894422D0 (no) 1989-11-07
EP0369622A3 (fr) 1991-04-17
AU4442789A (en) 1990-05-17
EP0369622A2 (fr) 1990-05-23
JPH02178893A (ja) 1990-07-11
CA2001445A1 (fr) 1990-05-09

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