SE9403495D0 - Anordning vid elektroniska larmsystem - Google Patents

Anordning vid elektroniska larmsystem

Info

Publication number
SE9403495D0
SE9403495D0 SE9403495A SE9403495A SE9403495D0 SE 9403495 D0 SE9403495 D0 SE 9403495D0 SE 9403495 A SE9403495 A SE 9403495A SE 9403495 A SE9403495 A SE 9403495A SE 9403495 D0 SE9403495 D0 SE 9403495D0
Authority
SE
Sweden
Prior art keywords
transmitter
receiver
coil
pct
resistance
Prior art date
Application number
SE9403495A
Other languages
English (en)
Inventor
Leif Aasbrink
Original Assignee
Leif Aasbrink
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 Leif Aasbrink filed Critical Leif Aasbrink
Priority to SE9403495A priority Critical patent/SE9403495D0/sv
Publication of SE9403495D0 publication Critical patent/SE9403495D0/sv
Priority to AT95934951T priority patent/ATE196698T1/de
Priority to US08/817,957 priority patent/US5777555A/en
Priority to EP95934951A priority patent/EP0786127B1/en
Priority to AU37152/95A priority patent/AU3715295A/en
Priority to PCT/SE1995/001189 priority patent/WO1996012263A1/en
Priority to DE69518987T priority patent/DE69518987D1/de

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

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)
  • Near-Field Transmission Systems (AREA)
  • Emergency Alarm Devices (AREA)
SE9403495A 1994-10-13 1994-10-13 Anordning vid elektroniska larmsystem SE9403495D0 (sv)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE9403495A SE9403495D0 (sv) 1994-10-13 1994-10-13 Anordning vid elektroniska larmsystem
AT95934951T ATE196698T1 (de) 1994-10-13 1995-10-13 Ein elektronisches alarmsystem
US08/817,957 US5777555A (en) 1994-10-13 1995-10-13 Using unitary transmitting/receiving antenna
EP95934951A EP0786127B1 (en) 1994-10-13 1995-10-13 An electronic alarm system
AU37152/95A AU3715295A (en) 1994-10-13 1995-10-13 An electronic alarm system
PCT/SE1995/001189 WO1996012263A1 (en) 1994-10-13 1995-10-13 An electronic alarm system
DE69518987T DE69518987D1 (de) 1994-10-13 1995-10-13 Ein elektronisches alarmsystem

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9403495A SE9403495D0 (sv) 1994-10-13 1994-10-13 Anordning vid elektroniska larmsystem

Publications (1)

Publication Number Publication Date
SE9403495D0 true SE9403495D0 (sv) 1994-10-13

Family

ID=20395602

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9403495A SE9403495D0 (sv) 1994-10-13 1994-10-13 Anordning vid elektroniska larmsystem

Country Status (7)

Country Link
US (1) US5777555A (sv)
EP (1) EP0786127B1 (sv)
AT (1) ATE196698T1 (sv)
AU (1) AU3715295A (sv)
DE (1) DE69518987D1 (sv)
SE (1) SE9403495D0 (sv)
WO (1) WO1996012263A1 (sv)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4212002A (en) * 1976-05-24 1980-07-08 Williamson Robert D Method and apparatus for selective electronic surveillance
EP0153286B1 (en) * 1984-02-15 1990-06-13 Esselte Meto Eas International Ab Method and system for detecting an indicating device
GB9125846D0 (en) * 1991-12-04 1992-02-05 Esselte Meto Int Gmbh Improved interrogation and detection means for theft-detection systems
US5353011A (en) * 1993-01-04 1994-10-04 Checkpoint Systems, Inc. Electronic article security system with digital signal processing and increased detection range

Also Published As

Publication number Publication date
US5777555A (en) 1998-07-07
EP0786127B1 (en) 2000-09-27
ATE196698T1 (de) 2000-10-15
AU3715295A (en) 1996-05-06
WO1996012263A1 (en) 1996-04-25
DE69518987D1 (de) 2000-11-02
EP0786127A1 (en) 1997-07-30

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