SE321883B - - Google Patents

Info

Publication number
SE321883B
SE321883B SE2667/66A SE266766A SE321883B SE 321883 B SE321883 B SE 321883B SE 2667/66 A SE2667/66 A SE 2667/66A SE 266766 A SE266766 A SE 266766A SE 321883 B SE321883 B SE 321883B
Authority
SE
Sweden
Prior art keywords
frequency
energy
transmitter
transponder
tuned
Prior art date
Application number
SE2667/66A
Other languages
English (en)
Inventor
A Minasy
Original Assignee
A Minasy
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 A Minasy filed Critical A Minasy
Publication of SE321883B publication Critical patent/SE321883B/xx

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
    • 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
    • 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
    • G08B13/242—Tag deactivation
    • 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
    • G08B13/2428—Tag details
    • G08B13/2431—Tag circuit details
    • 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
    • G08B13/2428—Tag details
    • G08B13/2434—Tag housing and attachment details
    • 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
    • G08B13/2428—Tag details
    • G08B13/2437—Tag layered structure, processes for making layered tags
    • G08B13/2445—Tag integrated into item to be protected, e.g. source tagging
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Burglar Alarm Systems (AREA)
SE2667/66A 1965-03-05 1966-03-01 SE321883B (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US43738365A 1965-03-05 1965-03-05

Publications (1)

Publication Number Publication Date
SE321883B true SE321883B (no) 1970-03-16

Family

ID=23736201

Family Applications (1)

Application Number Title Priority Date Filing Date
SE2667/66A SE321883B (no) 1965-03-05 1966-03-01

Country Status (4)

Country Link
BE (1) BE677359A (no)
DE (1) DE1295424B (no)
GB (1) GB1129761A (no)
SE (1) SE321883B (no)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1292380A (en) * 1969-04-02 1972-10-11 Unisearch Ltd Electronic surveillance systems
SE413359B (sv) 1978-08-25 1980-05-19 Stiftelsen Inst Mikrovags Anordning for astadkommande av ett enkelt sidband
US4481428A (en) * 1981-05-19 1984-11-06 Security Tag Systems, Inc. Batteryless, portable, frequency divider useful as a transponder of electromagnetic radiation
NL8200138A (nl) * 1982-01-14 1983-08-01 Nedap Nv Detectiestelsel.
FR2547422A1 (fr) * 1983-06-08 1984-12-14 Espace Etiquette destinee a etre associee a un produit ou article pour permettre d'en controler la presence
CA1240056A (en) * 1983-12-06 1988-08-02 Adrian Lewis Tokens and token handling devices
DE69532143T2 (de) * 1994-06-13 2004-08-26 Paxar Corp. Sicherungsetikett aus Gewebe
FR2742251B1 (fr) * 1995-12-07 1998-02-20 Mamou Patrick Procede pour proteger une etiquette antivol, etiquette antivol s'y rapportant, et article notamment vestimentaire ou analogue equipe d'une telle etiquette

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE819566C (de) * 1949-11-23 1951-11-05 Paul Raphael Elektromagnetische Sicherungsanlage zur Anzeige mitgefuehrter verborgener elektrischer Leiter
GB723815A (en) * 1951-06-27 1955-02-09 Leo De Magondeaux Improvements in piezo-electric systems including a passive responder unit

Also Published As

Publication number Publication date
BE677359A (no) 1966-09-05
DE1295424B (de) 1969-05-14
GB1129761A (en) 1968-10-09

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