DK43390D0 - Sikringssystem ti at overvaage emners, f.eks. varers passage forbi bestemte zoner - Google Patents

Sikringssystem ti at overvaage emners, f.eks. varers passage forbi bestemte zoner

Info

Publication number
DK43390D0
DK43390D0 DK043390A DK43390A DK43390D0 DK 43390 D0 DK43390 D0 DK 43390D0 DK 043390 A DK043390 A DK 043390A DK 43390 A DK43390 A DK 43390A DK 43390 D0 DK43390 D0 DK 43390D0
Authority
DK
Denmark
Prior art keywords
emners
monitoring
security system
certain zones
goods passage
Prior art date
Application number
DK043390A
Other languages
English (en)
Other versions
DK164336B (da
DK164336C (da
DK43390A (da
Inventor
Karsten Gyde Pilested
Original Assignee
Detectronic
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 Detectronic filed Critical Detectronic
Publication of DK43390D0 publication Critical patent/DK43390D0/da
Priority to DK043390A priority Critical patent/DK164336C/da
Priority to CA002075991A priority patent/CA2075991C/en
Priority to PCT/DK1991/000048 priority patent/WO1991012598A1/en
Priority to AT91904054T priority patent/ATE97755T1/de
Priority to US07/916,992 priority patent/US5471196A/en
Priority to EP91904054A priority patent/EP0516666B1/en
Priority to DE91904054T priority patent/DE69100686T2/de
Priority to AU72462/91A priority patent/AU7246291A/en
Publication of DK43390A publication Critical patent/DK43390A/da
Publication of DK164336B publication Critical patent/DK164336B/da
Application granted granted Critical
Publication of DK164336C publication Critical patent/DK164336C/da

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
DK043390A 1990-02-19 1990-02-19 Sikringssystem til at overvaage emners, f.eks. varers, passage forbi bestemte zoner DK164336C (da)

Priority Applications (8)

Application Number Priority Date Filing Date Title
DK043390A DK164336C (da) 1990-02-19 1990-02-19 Sikringssystem til at overvaage emners, f.eks. varers, passage forbi bestemte zoner
US07/916,992 US5471196A (en) 1990-02-19 1991-02-19 Security system for surveilling the passage of commodities through defined zones
PCT/DK1991/000048 WO1991012598A1 (en) 1990-02-19 1991-02-19 A security system for surveilling the passage of commodities through defined zones
AT91904054T ATE97755T1 (de) 1990-02-19 1991-02-19 Sicherheitssystem zur ueberwachung des durchgangs von waren durch bestimmte zonen.
CA002075991A CA2075991C (en) 1990-02-19 1991-02-19 Security system for surveilling the passage of commodities through defined zones
EP91904054A EP0516666B1 (en) 1990-02-19 1991-02-19 A security system for surveilling the passage of commodities through defined zones
DE91904054T DE69100686T2 (de) 1990-02-19 1991-02-19 Sicherheitssystem zur überwachung des durchgangs von waren durch bestimmte zonen.
AU72462/91A AU7246291A (en) 1990-02-19 1991-02-19 A security system for surveilling the passage of commodities through defined zones

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK43390 1990-02-19
DK043390A DK164336C (da) 1990-02-19 1990-02-19 Sikringssystem til at overvaage emners, f.eks. varers, passage forbi bestemte zoner

Publications (4)

Publication Number Publication Date
DK43390D0 true DK43390D0 (da) 1990-02-19
DK43390A DK43390A (da) 1991-08-20
DK164336B DK164336B (da) 1992-06-09
DK164336C DK164336C (da) 1992-11-02

Family

ID=8093477

Family Applications (1)

Application Number Title Priority Date Filing Date
DK043390A DK164336C (da) 1990-02-19 1990-02-19 Sikringssystem til at overvaage emners, f.eks. varers, passage forbi bestemte zoner

Country Status (7)

Country Link
US (1) US5471196A (da)
EP (1) EP0516666B1 (da)
AU (1) AU7246291A (da)
CA (1) CA2075991C (da)
DE (1) DE69100686T2 (da)
DK (1) DK164336C (da)
WO (1) WO1991012598A1 (da)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5625341A (en) * 1995-08-31 1997-04-29 Sensormatic Electronics Corporation Multi-bit EAS marker powered by interrogation signal in the eight MHz band
US5881371A (en) * 1995-10-27 1999-03-09 Trimble Navigation Limited Antenna switching technique for improved data throughput in communication networks
FR2741978B1 (fr) * 1995-12-01 1998-01-23 Pierre Raimbault Circuit d'alimentation et de modulation pour une etiquette interrogeable a distance
US5963144A (en) * 1997-05-30 1999-10-05 Single Chip Systems Corp. Cloaking circuit for use in a radiofrequency identification and method of cloaking RFID tags to increase interrogation reliability
CA2255342C (en) 1998-12-09 2007-06-05 Detectag Inc. Security system for monitoring the passage of items through defined zones
US6690264B2 (en) * 2001-01-23 2004-02-10 Single Chip Systems Corporation Selective cloaking circuit for use in a radiofrequency identification and method of cloaking RFID tags
US7446663B2 (en) * 2004-04-20 2008-11-04 Alcoa Closure Systems International, Inc. Method of forming an RF circuit assembly having multiple antenna portions

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3584301A (en) * 1969-02-24 1971-06-08 Gen Motors Corp Radio transceiver
US3800222A (en) * 1972-09-07 1974-03-26 Motorola Inc Radio frequency switch employing reed switches and a quarter wave line
DE2362889A1 (de) * 1973-12-18 1975-06-19 Standard Elektrik Lorenz Ag Funk-sende/empfangsgeraet
DE2426506A1 (de) * 1974-05-31 1975-12-04 Standard Elektrik Lorenz Ag Funk- sende/empfangsgeraet
DK161227C (da) * 1986-01-27 1991-11-25 Antonson Security Denmark Aps Apparat til synkronisering af tyveridetektorer
BG44890A1 (da) * 1986-05-27 1989-03-15 Valentin R Krausp
DE3788348T2 (de) * 1987-07-31 1994-03-17 Texas Instruments Deutschland Transponder-Anordnung.
US4963880A (en) * 1988-05-03 1990-10-16 Identitech Coplanar single-coil dual function transmit and receive antenna for proximate surveillance system
NL8803170A (nl) * 1988-12-27 1990-07-16 Nedap Nv Identificatiesysteem.

Also Published As

Publication number Publication date
DK164336B (da) 1992-06-09
DK164336C (da) 1992-11-02
DK43390A (da) 1991-08-20
CA2075991A1 (en) 1991-08-20
AU7246291A (en) 1991-09-03
DE69100686T2 (de) 1994-04-28
DE69100686D1 (de) 1994-01-05
US5471196A (en) 1995-11-28
WO1991012598A1 (en) 1991-08-22
CA2075991C (en) 2000-12-19
EP0516666B1 (en) 1993-11-24
EP0516666A1 (en) 1992-12-09

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