ATE21180T1 - Tragbarer frequenzteiler ohne batterie. - Google Patents

Tragbarer frequenzteiler ohne batterie.

Info

Publication number
ATE21180T1
ATE21180T1 AT82302498T AT82302498T ATE21180T1 AT E21180 T1 ATE21180 T1 AT E21180T1 AT 82302498 T AT82302498 T AT 82302498T AT 82302498 T AT82302498 T AT 82302498T AT E21180 T1 ATE21180 T1 AT E21180T1
Authority
AT
Austria
Prior art keywords
frequency
circuit
electromagnetic radiation
frequency divider
resonant
Prior art date
Application number
AT82302498T
Other languages
English (en)
Inventor
Lincoln H Charlot Jr
Original Assignee
Security Tag Systems Inc
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 Security Tag Systems Inc filed Critical Security Tag Systems Inc
Application granted granted Critical
Publication of ATE21180T1 publication Critical patent/ATE21180T1/de

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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 SYSTEMS, e.g. PERSONAL 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

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)
  • Telephone Function (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Electrically Operated Instructional Devices (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Pinball Game Machines (AREA)
  • Stringed Musical Instruments (AREA)
  • Materials For Medical Uses (AREA)
AT82302498T 1981-05-19 1982-05-17 Tragbarer frequenzteiler ohne batterie. ATE21180T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/265,149 US4481428A (en) 1981-05-19 1981-05-19 Batteryless, portable, frequency divider useful as a transponder of electromagnetic radiation
EP82302498A EP0066403B1 (de) 1981-05-19 1982-05-17 Tragbarer Frequenzteiler ohne Batterie

Publications (1)

Publication Number Publication Date
ATE21180T1 true ATE21180T1 (de) 1986-08-15

Family

ID=23009228

Family Applications (1)

Application Number Title Priority Date Filing Date
AT82302498T ATE21180T1 (de) 1981-05-19 1982-05-17 Tragbarer frequenzteiler ohne batterie.

Country Status (9)

Country Link
US (1) US4481428A (de)
EP (1) EP0066403B1 (de)
JP (1) JPS57196604A (de)
AT (1) ATE21180T1 (de)
DE (1) DE3272291D1 (de)
ES (1) ES512290A0 (de)
HK (1) HK40187A (de)
NO (1) NO154509C (de)
SG (1) SG2787G (de)

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US6653946B1 (en) 1990-05-17 2003-11-25 Transcore, Inc. Electronic vehicle toll collection system and method
US5289183A (en) * 1992-06-19 1994-02-22 At/Comm Incorporated Traffic monitoring and management method and apparatus
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US5406275A (en) * 1990-05-17 1995-04-11 At/Comm Incorporated Object location process and apparatus
US5065137A (en) * 1990-08-03 1991-11-12 Security Tag Systems, Inc. Magnetically-coupled, two-resonant-circuit, frequency-division tag
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US5065138A (en) * 1990-08-03 1991-11-12 Security Tag Systems, Inc. Magnetically-coupled two-resonant-circuit, frequency divider for presence-detection-system tag
US5241298A (en) * 1992-03-18 1993-08-31 Security Tag Systems, Inc. Electrically-and-magnetically-coupled, batteryless, portable, frequency divider
US5347262A (en) * 1992-10-23 1994-09-13 Security Tag Systems, Inc. Theft-deterrent device providing force-sensitive tamper detection
US5351187A (en) * 1992-12-30 1994-09-27 At/Comm Incorporated Automatic debiting parking meter system
US5460124A (en) 1993-07-15 1995-10-24 Perimeter Technologies Incorporated Receiver for an electronic animal confinement system
US5382780A (en) * 1993-10-01 1995-01-17 Duncan Industries Parking Control Systems Corp. Portable time metering device
US5497639A (en) 1994-11-15 1996-03-12 Link Enterprises, Inc. Non-cuttable device for attachment of shoplifting detection tag
US5517179A (en) * 1995-05-18 1996-05-14 Xlink Enterprises, Inc. Signal-powered frequency-dividing transponder
US5864301A (en) * 1996-05-13 1999-01-26 Jackson; Jerome D. Systems and methods employing a plurality of signal amplitudes to identify an object
US6812824B1 (en) 1996-10-17 2004-11-02 Rf Technologies, Inc. Method and apparatus combining a tracking system and a wireless communication system
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US6208235B1 (en) 1997-03-24 2001-03-27 Checkpoint Systems, Inc. Apparatus for magnetically decoupling an RFID tag
US6072383A (en) * 1998-11-04 2000-06-06 Checkpoint Systems, Inc. RFID tag having parallel resonant circuit for magnetically decoupling tag from its environment
DE19923862A1 (de) * 1999-05-25 2000-11-30 Georg Siegel Gmbh Zur Verwertu Warensicherungselement
MXPA02010979A (es) * 2000-05-08 2003-03-27 Checkpoint Systems Inc Sistema de deteccion e identificacion de radiofrecuencia.
GB2390509A (en) * 2002-07-03 2004-01-07 Marconi Information Systems Lt Smart label reader interfacing device
US20050003839A1 (en) * 2003-05-13 2005-01-06 Tripp Jeffrey William Decision influence data system
US20040230487A1 (en) * 2003-05-13 2004-11-18 Tripp Jeffrey William Local data access system
US7183917B2 (en) * 2003-05-19 2007-02-27 Checkpoint Systems, Inc. EAS/RFID identification hard tags
US7339464B2 (en) * 2004-04-12 2008-03-04 David Russell Detection-resistant transponder with “stealth packaging” for high-risk surveillance applications
US8388553B2 (en) * 2004-11-04 2013-03-05 Smith & Nephew, Inc. Cycle and load measurement device
CN103637840A (zh) 2005-08-23 2014-03-19 史密夫和内修有限公司 遥测矫形植入物
ITMI20060356U1 (it) * 2006-10-17 2008-04-18 Tommaseo Marco Dispositivo di rilevamento della movimentazione di neonati
US9445720B2 (en) 2007-02-23 2016-09-20 Smith & Nephew, Inc. Processing sensed accelerometer data for determination of bone healing
DE102007018503B4 (de) * 2007-04-19 2011-12-22 Götting KG Anordnung zur Standlinien- oder Standortbestimmung eines Transponders
US8570187B2 (en) 2007-09-06 2013-10-29 Smith & Nephew, Inc. System and method for communicating with a telemetric implant
DE102008039220A1 (de) 2008-08-22 2010-02-25 Götting KG Transponder sowie Arbeitsverfahren für einen solchen Transponder
BR112013029376A2 (pt) 2011-05-16 2017-01-31 Smith & Nephew Inc medição de extensão do esqueleto
US20180040218A1 (en) * 2016-08-04 2018-02-08 Tyco Fire & Security Gmbh Pulsed electronic article surveillance detection system absent of a phasing requirement
US11527138B2 (en) 2018-05-17 2022-12-13 Checkpoint Systems, Inc. Dual hard tag
US20230198521A1 (en) * 2021-10-15 2023-06-22 Kay C. Robinson, JR. Wireless Voltage link

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US3088106A (en) * 1960-04-04 1963-04-30 Gen Precision Inc Responder device
US3230396A (en) * 1963-10-15 1966-01-18 Sylvania Electric Prod Transistor frequency multipliers
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US3500373A (en) * 1966-05-06 1970-03-10 Nat Bank Of North America The Method and apparatus for article theft detection
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Also Published As

Publication number Publication date
JPH0214802B2 (de) 1990-04-10
EP0066403A1 (de) 1982-12-08
JPS57196604A (en) 1982-12-02
EP0066403B1 (de) 1986-07-30
NO821640L (no) 1982-11-22
NO154509C (no) 1986-10-01
ES8304727A1 (es) 1983-03-01
DE3272291D1 (en) 1986-09-04
HK40187A (en) 1987-05-29
NO154509B (no) 1986-06-23
ES512290A0 (es) 1983-03-01
US4481428A (en) 1984-11-06
SG2787G (en) 1987-09-18

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee