ES453283A1 - Sistema de identificacion electronico para reconocer objetoso personas. - Google Patents

Sistema de identificacion electronico para reconocer objetoso personas.

Info

Publication number
ES453283A1
ES453283A1 ES453283A ES453283A ES453283A1 ES 453283 A1 ES453283 A1 ES 453283A1 ES 453283 A ES453283 A ES 453283A ES 453283 A ES453283 A ES 453283A ES 453283 A1 ES453283 A1 ES 453283A1
Authority
ES
Spain
Prior art keywords
transmitter coil
coil
identification system
receiver coil
transmitter
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
Application number
ES453283A
Other languages
English (en)
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.)
Nederlandsche Apparatenfabriek NEDAP NV
Original Assignee
Nederlandsche Apparatenfabriek NEDAP NV
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 Nederlandsche Apparatenfabriek NEDAP NV filed Critical Nederlandsche Apparatenfabriek NEDAP NV
Publication of ES453283A1 publication Critical patent/ES453283A1/es
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2405—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting characterised by the tag technology used
    • G08B13/2414—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting characterised by the tag technology used using inductive tags
    • 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
    • G06K7/08—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes
    • G06K7/082—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors
    • G06K7/083—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors inductive
    • G06K7/086—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors inductive sensing passive circuit, e.g. resonant circuit transponders
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/20—Individual registration on entry or exit involving the use of a pass
    • G07C9/28—Individual registration on entry or exit involving the use of a pass the pass enabling tracking or indicating presence
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2465—Aspects related to the EAS system, e.g. system components other than tags
    • G08B13/2468—Antenna in system and the related signal processing
    • G08B13/2471—Antenna signal processing by receiver or emitter
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2465—Aspects related to the EAS system, e.g. system components other than tags
    • G08B13/2488—Timing issues, e.g. synchronising measures to avoid signal collision, with multiple emitters or a single emitter and receiver

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • Signal Processing (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Burglar Alarm Systems (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Near-Field Transmission Systems (AREA)

Abstract

Sistema de identificación electrónica para reconocer objetos o personas que incluye por lo menos una bobina transmisora, un marcador que incluye un circuito resonante, y por lo menos una bobina receptora, y dispuesto para ser utilizado con un circuito de identificación con el objeto de detectar la presencia de dicho marchador en el radio de acción de dicha bobina transmisora, caracterizado porque dicha bobina receptora esta montada de modo que no incluye líneas de flujo magnético generada por dicha bobina transmisora.
ES453283A 1975-11-14 1976-11-12 Sistema de identificacion electronico para reconocer objetoso personas. Expired ES453283A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7513348A NL7513348A (nl) 1975-11-14 1975-11-14 Identificatiestelsel.

Publications (1)

Publication Number Publication Date
ES453283A1 true ES453283A1 (es) 1978-02-01

Family

ID=19824857

Family Applications (1)

Application Number Title Priority Date Filing Date
ES453283A Expired ES453283A1 (es) 1975-11-14 1976-11-12 Sistema de identificacion electronico para reconocer objetoso personas.

Country Status (7)

Country Link
BE (1) BE848241A (es)
DE (1) DE2651042A1 (es)
ES (1) ES453283A1 (es)
FR (1) FR2331849A1 (es)
GB (1) GB1570877A (es)
IT (1) IT1069330B (es)
NL (1) NL7513348A (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7708012A (nl) * 1977-07-19 1979-01-23 Nedap Nv Detectiestelsel.
NL8202951A (nl) * 1982-07-21 1984-02-16 Nedap Nv Absorptiedetectiestelsel.
US4812822A (en) * 1987-08-31 1989-03-14 Monarch Marking Systems, Inc. Electronic article surveillance system utilizing synchronous integration
US4802080A (en) * 1988-03-18 1989-01-31 American Telephone And Telegraph Company, At&T Information Systems Power transfer circuit including a sympathetic resonator
GB9017910D0 (en) * 1990-08-15 1990-09-26 Vaseal Electronics Limited Improvements in and relating to proximity switches
DE4431446C2 (de) * 1994-09-03 1996-10-17 Norbert H L Dr Ing Koster Transponder-Antennenvorrichtung
DE19518228C2 (de) * 1995-05-12 2001-08-09 Whd Elektron Prueftech Gmbh Verfahren, Anordnungen, Vorrichtungen und Prüfzonen von zu prüfenden Objekten zur Echtheitsprüfung sowie Anwendung derselben
US5783871A (en) * 1996-09-24 1998-07-21 Trw Inc. Apparatus and method for sensing a rearward facing child seat
DE19729299A1 (de) * 1997-07-09 1999-01-14 Michael Flor Sicherungsvorrichtung

Also Published As

Publication number Publication date
NL7513348A (nl) 1977-05-17
DE2651042A1 (de) 1977-07-07
BE848241A (nl) 1977-05-12
FR2331849A1 (fr) 1977-06-10
FR2331849B3 (es) 1979-07-27
IT1069330B (it) 1985-03-25
GB1570877A (en) 1980-07-09

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