NL9002120A - Pulsdeactivator. - Google Patents

Pulsdeactivator. Download PDF

Info

Publication number
NL9002120A
NL9002120A NL9002120A NL9002120A NL9002120A NL 9002120 A NL9002120 A NL 9002120A NL 9002120 A NL9002120 A NL 9002120A NL 9002120 A NL9002120 A NL 9002120A NL 9002120 A NL9002120 A NL 9002120A
Authority
NL
Netherlands
Prior art keywords
energy
resonant frequency
antenna
deactivator
voltage
Prior art date
Application number
NL9002120A
Other languages
English (en)
Dutch (nl)
Original Assignee
Nedap Nv
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 Nedap Nv filed Critical Nedap Nv
Priority to NL9002120A priority Critical patent/NL9002120A/nl
Priority to EP91202536A priority patent/EP0478092B1/fr
Priority to DE69116489T priority patent/DE69116489T2/de
Priority to US07/766,922 priority patent/US5254974A/en
Publication of NL9002120A publication Critical patent/NL9002120A/nl

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
    • G08B13/242—Tag deactivation

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)
NL9002120A 1990-09-28 1990-09-28 Pulsdeactivator. NL9002120A (nl)

Priority Applications (4)

Application Number Priority Date Filing Date Title
NL9002120A NL9002120A (nl) 1990-09-28 1990-09-28 Pulsdeactivator.
EP91202536A EP0478092B1 (fr) 1990-09-28 1991-09-30 Dispositif de désactivation
DE69116489T DE69116489T2 (de) 1990-09-28 1991-09-30 Deaktivierungsvorrichtung
US07/766,922 US5254974A (en) 1990-09-28 1991-09-30 Deactivating device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9002120A NL9002120A (nl) 1990-09-28 1990-09-28 Pulsdeactivator.
NL9002120 1990-09-28

Publications (1)

Publication Number Publication Date
NL9002120A true NL9002120A (nl) 1992-04-16

Family

ID=19857739

Family Applications (1)

Application Number Title Priority Date Filing Date
NL9002120A NL9002120A (nl) 1990-09-28 1990-09-28 Pulsdeactivator.

Country Status (4)

Country Link
US (1) US5254974A (fr)
EP (1) EP0478092B1 (fr)
DE (1) DE69116489T2 (fr)
NL (1) NL9002120A (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6208195B1 (en) 1991-03-18 2001-03-27 Integrated Device Technology, Inc. Fast transmission gate switch
WO1992016998A1 (fr) 1991-03-18 1992-10-01 Quality Semiconductor, Inc. Commutateur a grille de transmission rapide
NL9201270A (nl) * 1992-07-15 1994-02-01 Nedap Nv Antiwinkeldiefstal-antenne met draaiveld.
DE69406942T2 (de) * 1993-09-16 1998-03-19 Quality Semiconductor Inc Abtastprüfungsschaltung mit schnellem übertragungsgateschalter
US5781111A (en) * 1996-09-26 1998-07-14 Sensormatic Electronics Corporation Apparatus for deactivation of electronic article surveillance tags
US5907465A (en) * 1998-08-13 1999-05-25 Sensormatic Electronics Corporation Circuit for energizing EAS marker deactivation device with DC pulses of alternating polarity
US7151455B2 (en) 2004-04-30 2006-12-19 Kimberly-Clark Worldwide, Inc. Activating a data tag by load or orientation or user control
US7336183B2 (en) 2004-04-30 2008-02-26 Kimberly-Clark Worldwide, Inc. Decommissioning an electronic data tag
US7948381B2 (en) 2004-04-30 2011-05-24 Binforma Group Limited Liability Company Reversibly deactivating a radio frequency identification data tag
US7098794B2 (en) 2004-04-30 2006-08-29 Kimberly-Clark Worldwide, Inc. Deactivating a data tag for user privacy or tamper-evident packaging
DE102004030229A1 (de) * 2004-06-23 2006-01-19 Infineon Technologies Ag Funkabfragbarer Datenträger
US8452868B2 (en) 2009-09-21 2013-05-28 Checkpoint Systems, Inc. Retail product tracking system, method, and apparatus
US8508367B2 (en) 2009-09-21 2013-08-13 Checkpoint Systems, Inc. Configurable monitoring device
GB2476050B (en) * 2009-12-08 2013-11-13 Redcliffe Magtronics Ltd Tag detector
FR3009625B1 (fr) * 2013-08-06 2017-01-06 Valotec Dispositif de localisation d'un ou plusieurs elements mobiles dans une zone predeterminee, et procede mis en œuvre dans un tel dispositif

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH673722C1 (en) * 1982-05-10 1994-08-31 Lichtblau G J Resonant tag and deactivator for elrctronic security system
US4498076A (en) * 1982-05-10 1985-02-05 Lichtblau G J Resonant tag and deactivator for use in an electronic security system
US4728938A (en) * 1986-01-10 1988-03-01 Checkpoint Systems, Inc. Security tag deactivation system
ATE86403T1 (de) * 1987-04-23 1993-03-15 Actron Entwicklungs Ag Verfahren zum deaktivieren einer resonanzetikette und schaltungsanordnung zur durchfuehrung des verfahrens.
DE3741780A1 (de) * 1987-12-10 1989-06-29 Karl Harms Handels Gmbh & Co K Magnetisches diebstahl- bzw. einbruch-sicherungssystem sowie hierfuer geeignetes sensor-metallelement
NL8802914A (nl) * 1988-11-28 1990-06-18 Nedap Nv Antenneconfiguratie voor twee frequenties.
NL9000186A (nl) * 1990-01-25 1991-08-16 Nedap Nv Deactiveerinrichting.

Also Published As

Publication number Publication date
US5254974A (en) 1993-10-19
EP0478092B1 (fr) 1996-01-17
DE69116489D1 (de) 1996-02-29
EP0478092A1 (fr) 1992-04-01
DE69116489T2 (de) 1996-05-30

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Legal Events

Date Code Title Description
A1B A search report has been drawn up
BV The patent application has lapsed