DE3272291D1 - Batteryless, portable, frequency divider - Google Patents

Batteryless, portable, frequency divider

Info

Publication number
DE3272291D1
DE3272291D1 DE8282302498T DE3272291T DE3272291D1 DE 3272291 D1 DE3272291 D1 DE 3272291D1 DE 8282302498 T DE8282302498 T DE 8282302498T DE 3272291 T DE3272291 T DE 3272291T DE 3272291 D1 DE3272291 D1 DE 3272291D1
Authority
DE
Germany
Prior art keywords
frequency
circuit
electromagnetic radiation
frequency divider
portable
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DE8282302498T
Other languages
German (de)
English (en)
Inventor
Lincoln H Charlot
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sensormatic Electronics Corp
Original Assignee
Automated Security Holdings Ltd
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 Automated Security Holdings Ltd, Security Tag Systems Inc filed Critical Automated Security Holdings Ltd
Application granted granted Critical
Publication of DE3272291D1 publication Critical patent/DE3272291D1/de
Expired legal-status Critical Current

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
    • 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
    • G08B13/2428—Tag details
    • G08B13/2431—Tag circuit details

Landscapes

  • Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Burglar Alarm Systems (AREA)
  • Electrically Operated Instructional Devices (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Telephone Function (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Stringed Musical Instruments (AREA)
  • Materials For Medical Uses (AREA)
  • Pinball Game Machines (AREA)
DE8282302498T 1981-05-19 1982-05-17 Batteryless, portable, frequency divider Expired DE3272291D1 (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE3272291D1 true DE3272291D1 (en) 1986-09-04

Family

ID=23009228

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282302498T Expired DE3272291D1 (en) 1981-05-19 1982-05-17 Batteryless, portable, frequency divider

Country Status (9)

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

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US5144553A (en) * 1990-05-17 1992-09-01 Hassett John J Electronic vehicle toll collection system and method
US5347274A (en) * 1990-05-17 1994-09-13 At/Comm Incorporated Hazardous waste transport management system
US5406275A (en) * 1990-05-17 1995-04-11 At/Comm Incorporated Object location process and apparatus
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US5065137A (en) * 1990-08-03 1991-11-12 Security Tag Systems, Inc. Magnetically-coupled, two-resonant-circuit, frequency-division tag
ATE152848T1 (de) * 1990-08-03 1997-05-15 Sensormatic Electronics Corp Magnetischgekoppelte, zweiresonanz-schaltung, frequenz-teilungsetikett
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
JP3147306B2 (ja) 1996-10-17 2001-03-19 ピンポイント コーポレイション 物品追跡システム
US6812824B1 (en) 1996-10-17 2004-11-02 Rf Technologies, Inc. Method and apparatus combining a tracking system and a wireless communication system
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
CA2408488C (en) * 2000-05-08 2010-03-09 Checkpoint Systems, Inc. Radio frequency detection and identification system
GB2390509A (en) * 2002-07-03 2004-01-07 Marconi Information Systems Lt Smart label reader interfacing device
US20040230487A1 (en) * 2003-05-13 2004-11-18 Tripp Jeffrey William Local data access system
US20050003839A1 (en) * 2003-05-13 2005-01-06 Tripp Jeffrey William Decision influence data 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
AU2006282828B2 (en) 2005-08-23 2013-01-31 Smith & Nephew, Inc Telemetric orthopaedic implant
ITMI20060356U1 (it) * 2006-10-17 2008-04-18 Tommaseo Marco Dispositivo di rilevamento della movimentazione di neonati
EP2114247B1 (en) 2007-02-23 2013-10-30 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
JP6121088B2 (ja) 2007-09-06 2017-04-26 スミス アンド ネフュー インコーポレイテッド 遠隔測定インプラントと交信するシステムおよび方法
DE102008039220A1 (de) 2008-08-22 2010-02-25 Götting KG Transponder sowie Arbeitsverfahren für einen solchen Transponder
AU2012256356B2 (en) 2011-05-16 2016-11-17 Smith & Nephew, Inc. Measuring skeletal distraction
US20180040218A1 (en) * 2016-08-04 2018-02-08 Tyco Fire & Security Gmbh Pulsed electronic article surveillance detection system absent of a phasing requirement
JP7304895B2 (ja) 2018-05-17 2023-07-07 チェックポイント・システムズ・インコーポレイテッド デュアルハードタグ
US20230198521A1 (en) * 2021-10-15 2023-06-22 Kay C. Robinson, JR. Wireless Voltage link

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US3172101A (en) * 1960-03-18 1965-03-02 Gen Precision Inc Coherent signalling system
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
SE321883B (enExample) * 1965-03-05 1970-03-16 A Minasy
US3299424A (en) * 1965-05-07 1967-01-17 Jorgen P Vinding Interrogator-responder identification system
US3500373A (en) * 1966-05-06 1970-03-10 Nat Bank Of North America The Method and apparatus for article theft detection
GB1212504A (en) * 1966-12-30 1970-11-18 Euronics Ltd Theft detection system
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FR1531508A (fr) * 1967-05-19 1968-07-05 Système de tri automatique d'objets tels que sacs postaux
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BE748180A (fr) * 1969-04-02 1970-09-28 Unisearch Ltd Systeme de surveillance electronique
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DK134666B (da) * 1970-02-20 1976-12-20 Svejsecentralen Fremgangsmåde til mærkning og senere lokalisering, identifikation og registrering af fysiske objekter samt elektronisk mærkningsoragn til anvendelse ved udøvelse af fremgangsmåden.
US3707711A (en) * 1970-04-02 1972-12-26 Peter Harold Cole Electronic surveillance system
US3711848A (en) * 1971-02-10 1973-01-16 I D Eng Inc Method of and apparatus for the detection of stolen articles
US3713133A (en) * 1971-02-16 1973-01-23 R Nathans Rf and sonic systems for preventing shoplifting of goods and unauthorized removal of capsules affixed thereto for protecting goods
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US3818472A (en) * 1972-05-26 1974-06-18 K Mauk R.f. system for detecting unauthorized travel of articles through a selected zone
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US3863240A (en) * 1972-12-08 1975-01-28 Aerospace Res Electromagnetic intrusion detection system
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US3855592A (en) * 1973-08-20 1974-12-17 Gen Electric Transponder having high character capacity
SE384477B (sv) * 1974-08-16 1976-05-10 Philips Svenska Ab Sett och anordning for att astadkomma synkronisering i en informationsoverforingsanleggning innefattande en fragestation och ett svarsdon
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Also Published As

Publication number Publication date
NO154509C (no) 1986-10-01
HK40187A (en) 1987-05-29
EP0066403B1 (en) 1986-07-30
NO154509B (no) 1986-06-23
ES8304727A1 (es) 1983-03-01
JPH0214802B2 (enExample) 1990-04-10
NO821640L (no) 1982-11-22
JPS57196604A (en) 1982-12-02
SG2787G (en) 1987-09-18
EP0066403A1 (en) 1982-12-08
ES512290A0 (es) 1983-03-01
US4481428A (en) 1984-11-06
ATE21180T1 (de) 1986-08-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: SENSORMATIC ELECTRONICS CORP. (N.D.GES.D. STAATES

8328 Change in the person/name/address of the agent

Free format text: DERZEIT KEIN VERTRETER BESTELLT