MX173773B - Sistema electronico de vigilancia de articulos con diferenciacion mejorada - Google Patents

Sistema electronico de vigilancia de articulos con diferenciacion mejorada

Info

Publication number
MX173773B
MX173773B MX1904890A MX1904890A MX173773B MX 173773 B MX173773 B MX 173773B MX 1904890 A MX1904890 A MX 1904890A MX 1904890 A MX1904890 A MX 1904890A MX 173773 B MX173773 B MX 173773B
Authority
MX
Mexico
Prior art keywords
label
signals
resonant circuit
items
monitoring system
Prior art date
Application number
MX1904890A
Other languages
English (en)
Inventor
Phillip J Lizzi
Richard A Shandelman
Original Assignee
Checkpoint 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 Checkpoint Systems Inc filed Critical Checkpoint Systems Inc
Publication of MX173773B publication Critical patent/MX173773B/es

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
    • G08B13/2465—Aspects related to the EAS system, e.g. system components other than tags
    • G08B13/2468—Antenna in system and the related signal processing
    • G08B13/2477—Antenna or antenna activator circuit
    • 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
    • G08B13/2468—Antenna in system and the related signal processing
    • G08B13/2474—Antenna or antenna activator geometry, arrangement or layout
    • 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
    • G08B13/2482—EAS methods, e.g. description of flow chart of the detection procedure

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Burglar Alarm Systems (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Medicinal Preparation (AREA)

Abstract

La presente invención se refiere a un sistema electrónico de vigilancia de artículos que comprende un transmisor para suministrar una señal a una antena transmisora, para desarrollar un campo electromagnético, y una antena receptora para recibir señales, incluyendo señales producidas por un circuito resonante que forma parte de un primer medio de etiqueta asociado a un artículo por ser protegido, y para suministrar dichas señales recibidas a un receptor que tiene medios para identificar dichas señales de etiqueta y medios para discriminar entre dichas señales de etiqueta producidas por el circuito resonante de dicho primer medio de etiqueta y señales de etiqueta producidas por el circuito resonante de un segundo medio de etiqueta diferente a dicho primer medio de etiqueta.
MX1904890A 1989-01-09 1990-01-08 Sistema electronico de vigilancia de articulos con diferenciacion mejorada MX173773B (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29506489A 1989-01-09 1989-01-09

Publications (1)

Publication Number Publication Date
MX173773B true MX173773B (es) 1994-03-28

Family

ID=23136063

Family Applications (1)

Application Number Title Priority Date Filing Date
MX1904890A MX173773B (es) 1989-01-09 1990-01-08 Sistema electronico de vigilancia de articulos con diferenciacion mejorada

Country Status (11)

Country Link
EP (1) EP0403632A4 (es)
JP (1) JPH03503219A (es)
AU (2) AU631170B2 (es)
CA (1) CA2007310A1 (es)
DD (1) DD291654A5 (es)
DK (1) DK215790A (es)
ES (1) ES2020841A6 (es)
FI (1) FI904415A0 (es)
MX (1) MX173773B (es)
NO (1) NO180699C (es)
WO (1) WO1990007760A1 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5300922A (en) * 1990-05-29 1994-04-05 Sensormatic Electronics Corporation Swept frequency electronic article surveillance system having enhanced facility for tag signal detection
US5537094A (en) * 1995-01-27 1996-07-16 Sensormatic Electronics Corporation Method and apparatus for detecting an EAS marker using a neural network processing device
EP1288841A1 (en) 2001-08-30 2003-03-05 Motorola, Inc. Passive response communication system
GB2389418B (en) * 2002-04-10 2006-07-26 Giles Stanley A detection device
ES2253104B1 (es) * 2004-10-20 2007-07-16 Alberto Murgui Faubell Sistema de deteccion de etiquetas resonantes para equipos antihurto y procedimiento asociado.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3810172A (en) * 1972-07-18 1974-05-07 L Burpee Detection system
US4013965A (en) * 1974-08-05 1977-03-22 Scharfe Jr James A Circuit for preventing errors in decoding information from distorted pulses
NL8202951A (nl) * 1982-07-21 1984-02-16 Nedap Nv Absorptiedetectiestelsel.
US4673932A (en) * 1983-12-29 1987-06-16 Revlon, Inc. Rapid inventory data acquistion system
US4821282A (en) * 1985-12-27 1989-04-11 Honeywell Inc. Mirror assembly for lasers
SE8603415D0 (sv) * 1986-08-14 1986-08-14 Leif Arnold Persson Remote sensing of metglas identifiers
US4779077A (en) * 1987-04-13 1988-10-18 Lichtblau G J Continuously armed high reliability pulse train processor

Also Published As

Publication number Publication date
DK215790D0 (da) 1990-09-07
JPH03503219A (ja) 1991-07-18
WO1990007760A1 (en) 1990-07-12
AU660708B2 (en) 1995-07-06
FI904415A0 (fi) 1990-09-07
NO180699B (no) 1997-02-17
AU4828790A (en) 1990-08-01
DK215790A (da) 1990-09-07
DD291654A5 (de) 1991-07-04
NO903912D0 (no) 1990-09-07
EP0403632A4 (en) 1993-05-05
NO180699C (no) 1997-05-28
AU631170B2 (en) 1992-11-19
NO903912L (no) 1990-09-07
ES2020841A6 (es) 1991-10-01
EP0403632A1 (en) 1990-12-27
AU2455192A (en) 1992-11-19
CA2007310A1 (en) 1990-07-09

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