ATE32277T1 - Elektronisches sicherheitssystem mit geraeuschzurueckweisung. - Google Patents

Elektronisches sicherheitssystem mit geraeuschzurueckweisung.

Info

Publication number
ATE32277T1
ATE32277T1 AT82903426T AT82903426T ATE32277T1 AT E32277 T1 ATE32277 T1 AT E32277T1 AT 82903426 T AT82903426 T AT 82903426T AT 82903426 T AT82903426 T AT 82903426T AT E32277 T1 ATE32277 T1 AT E32277T1
Authority
AT
Austria
Prior art keywords
frequency
produces
pulse
response
receiver
Prior art date
Application number
AT82903426T
Other languages
English (en)
Inventor
Jan Vandebult
Original Assignee
Sensormatic Electronics Corp
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 Sensormatic Electronics Corp filed Critical Sensormatic Electronics Corp
Application granted granted Critical
Publication of ATE32277T1 publication Critical patent/ATE32277T1/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
    • G08B13/2405—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
    • G08B13/2488—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)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
AT82903426T 1981-10-08 1982-10-08 Elektronisches sicherheitssystem mit geraeuschzurueckweisung. ATE32277T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US06/309,715 US4429302A (en) 1981-10-08 1981-10-08 Electronic security system with noise rejection
PCT/US1982/001449 WO1983001331A1 (en) 1981-10-08 1982-10-08 Electronic security system with noise rejection
EP82903426A EP0090853B1 (de) 1981-10-08 1982-10-08 Elektronisches sicherheitssystem mit geräuschzurückweisung

Publications (1)

Publication Number Publication Date
ATE32277T1 true ATE32277T1 (de) 1988-02-15

Family

ID=23199366

Family Applications (1)

Application Number Title Priority Date Filing Date
AT82903426T ATE32277T1 (de) 1981-10-08 1982-10-08 Elektronisches sicherheitssystem mit geraeuschzurueckweisung.

Country Status (5)

Country Link
US (1) US4429302A (de)
EP (1) EP0090853B1 (de)
AT (1) ATE32277T1 (de)
DE (1) DE3278052D1 (de)
WO (1) WO1983001331A1 (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8600738A (nl) * 1986-03-24 1987-10-16 Nedap Nv Onderdrukking van valse alarmen als gevolg van aanraken.
US5300922A (en) * 1990-05-29 1994-04-05 Sensormatic Electronics Corporation Swept frequency electronic article surveillance system having enhanced facility for tag signal detection
US5239284A (en) * 1991-01-08 1993-08-24 Kubota Corporation Antitheft device
JP2831181B2 (ja) * 1991-01-08 1998-12-02 株式会社クボタ 盗難防止装置
EP0561062A1 (de) * 1992-03-17 1993-09-22 Moisei Samuel Granovsky Verfahren und elektromagnetisches Sicherheitssystem, um geschützte Gegenstände in einem Überwachungsbereich zu entdecken
US5349332A (en) * 1992-10-13 1994-09-20 Sensormatic Electronics Corportion EAS system with requency hopping
US5368554A (en) * 1992-11-20 1994-11-29 Minnesota Mining And Manufacturing Company Blood pumping system with selective backflow warning
FR2704960A1 (fr) * 1993-05-03 1994-11-10 Diet Jean Paul Dispositif de détection de passage d'étiquettes.
US5521600A (en) * 1994-09-06 1996-05-28 The Regents Of The University Of California Range-gated field disturbance sensor with range-sensitivity compensation
US5682164A (en) * 1994-09-06 1997-10-28 The Regents Of The University Of California Pulse homodyne field disturbance sensor
US5528914A (en) 1994-09-27 1996-06-25 Sensormatic Electronics Corporation Security tag and complemental deactivation apparatus
ES2150665T3 (es) * 1995-04-07 2000-12-01 Minnesota Mining & Mfg Sistema de proteccion electronica de articulos con filtro adaptable y deteccion digital.
US5564420A (en) * 1995-04-14 1996-10-15 Minnesota Mining And Manufacturing Company Medical device with EMI detection and cancellation
US5798693A (en) * 1995-06-07 1998-08-25 Engellenner; Thomas J. Electronic locating systems
JPH0962952A (ja) * 1995-08-29 1997-03-07 Maspro Denkoh Corp 盗難防止システム
AU2001261192B2 (en) * 2000-05-08 2005-01-06 Checkpoint Systems, Inc. Radio frequency detection and identification system
US6373390B1 (en) 2000-08-08 2002-04-16 Sensormatic Electronics Corporation Electronic article surveillance tag having arcuate channel
US6535130B2 (en) 2001-04-25 2003-03-18 Sensormatic Electronics Corporation Security apparatus for electronic article surveillance tag
US7138919B2 (en) * 2004-02-23 2006-11-21 Checkpoint Systems, Inc. Identification marking and method for applying the identification marking to an item
US8099335B2 (en) * 2004-02-23 2012-01-17 Checkpoint Systems, Inc. Method and system for determining billing information in a tag fabrication process
US7119685B2 (en) * 2004-02-23 2006-10-10 Checkpoint Systems, Inc. Method for aligning capacitor plates in a security tag and a capacitor formed thereby
US7116227B2 (en) * 2004-02-23 2006-10-03 Checkpoint Systems, Inc. Tag having patterned circuit elements and a process for making same
US7704346B2 (en) * 2004-02-23 2010-04-27 Checkpoint Systems, Inc. Method of fabricating a security tag in an integrated surface processing system
US7384496B2 (en) * 2004-02-23 2008-06-10 Checkpoint Systems, Inc. Security tag system for fabricating a tag including an integrated surface processing system
US7689195B2 (en) * 2005-02-22 2010-03-30 Broadcom Corporation Multi-protocol radio frequency identification transponder tranceiver
US7633396B2 (en) 2006-02-07 2009-12-15 Sensormatic Electronics, LLC Electronic article surveillance tag having an expulsion detrimental substance system with substance routing system
US8089362B2 (en) * 2009-04-08 2012-01-03 Avery Dennison Corporation Merchandise security kit
WO2017184231A1 (en) 2016-04-20 2017-10-26 Dow Corning Corporation Lithium alkylsiliconate composition, coating, and method of making same

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3828337A (en) * 1973-08-20 1974-08-06 G Lichtblau Noise rejection circuitry
US4117466A (en) * 1977-03-14 1978-09-26 Lichtblau G J Beat frequency interference rejection circuit

Also Published As

Publication number Publication date
EP0090853A4 (de) 1985-07-30
EP0090853A1 (de) 1983-10-12
WO1983001331A1 (en) 1983-04-14
US4429302A (en) 1984-01-31
EP0090853B1 (de) 1988-01-27
DE3278052D1 (en) 1988-03-03

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties