NO891522L - Transponder for paavisning av elektromagnetisk straaling ogfremgangsmaate for dens fremstilling. - Google Patents

Transponder for paavisning av elektromagnetisk straaling ogfremgangsmaate for dens fremstilling.

Info

Publication number
NO891522L
NO891522L NO89891522A NO891522A NO891522L NO 891522 L NO891522 L NO 891522L NO 89891522 A NO89891522 A NO 89891522A NO 891522 A NO891522 A NO 891522A NO 891522 L NO891522 L NO 891522L
Authority
NO
Norway
Prior art keywords
predetermined frequency
wire
frequency
electromagnetic radiation
transponder
Prior art date
Application number
NO89891522A
Other languages
English (en)
Norwegian (no)
Other versions
NO891522D0 (no
Inventor
Subrata Dey
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
Publication of NO891522D0 publication Critical patent/NO891522D0/no
Publication of NO891522L publication Critical patent/NO891522L/no

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
    • G08B13/2408—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 ferromagnetic tags
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/75—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors
    • G01S13/751—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors wherein the responder or reflector radiates a coded signal
    • G01S13/753—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors wherein the responder or reflector radiates a coded signal using frequency selective elements, e.g. resonator
    • 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
    • G08B13/2437—Tag layered structure, processes for making layered tags
    • 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
    • G08B13/2437—Tag layered structure, processes for making layered tags
    • G08B13/244—Tag manufacturing, e.g. continuous manufacturing processes
    • 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
    • G08B13/2437—Tag layered structure, processes for making layered tags
    • G08B13/2442—Tag materials and material properties thereof, e.g. magnetic material details

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Soft Magnetic Materials (AREA)
  • Burglar Alarm Systems (AREA)
  • Package Frames And Binding Bands (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
NO89891522A 1988-04-18 1989-04-13 Transponder for paavisning av elektromagnetisk straaling ogfremgangsmaate for dens fremstilling. NO891522L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18299888A 1988-04-18 1988-04-18

Publications (2)

Publication Number Publication Date
NO891522D0 NO891522D0 (no) 1989-04-13
NO891522L true NO891522L (no) 1989-10-19

Family

ID=22670978

Family Applications (1)

Application Number Title Priority Date Filing Date
NO89891522A NO891522L (no) 1988-04-18 1989-04-13 Transponder for paavisning av elektromagnetisk straaling ogfremgangsmaate for dens fremstilling.

Country Status (7)

Country Link
EP (1) EP0338696B1 (de)
JP (1) JPH01312488A (de)
AT (1) ATE93066T1 (de)
AU (1) AU620085B2 (de)
DE (1) DE68908236T2 (de)
ES (1) ES2041990T3 (de)
NO (1) NO891522L (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9203479L (sv) * 1992-01-20 1993-07-21 Rso Corp Saett och anordning vid elektronisk identifiering
SE469673B (sv) * 1992-01-20 1993-08-16 Rso Corp Saett och anordning vid beroeringsfri avkaenning av objekt
SE9203258L (sv) * 1992-01-20 1993-07-21 Rso Corp Saett och anordning vid laeges- och vinkelmaetning
US5355120A (en) * 1992-10-09 1994-10-11 Security Tag Systems, Inc. Frequency-dividing-transponder tag
US5880383A (en) * 1994-08-08 1999-03-09 Huff; Richard E. Vibrato assembly and acoustic coupling system for stringed instruments
SE9402943L (sv) * 1994-09-02 1996-03-03 Rso Corp Etikett för märkning och fjärrindikering av föremål
SE506449C2 (sv) * 1996-02-12 1997-12-15 Rso Corp Artikelövervakningssystem
DE69817459T2 (de) * 1997-06-13 2004-03-18 Matsushita Electric Industrial Co. Ltd. Erfassungsgerät für magnetostriktive Resonatoren und Verkehrssystem
DE19908878A1 (de) * 1999-03-01 2000-09-07 Georg Siegel Gmbh Zur Verwertu Identifikationssystem
ITNA20090046A1 (it) * 2009-07-15 2011-01-16 Bolognini Riccardo Sistema di identificazione di capi di tessuto attraverso tag magnetostrittive

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3754226A (en) * 1968-03-22 1973-08-21 Stoplifter Int Inc Conductive-ring ferromagnetic marker and method and system for using same
JPS58219677A (ja) * 1982-06-03 1983-12-21 アイデンテイテツク コ−ポレ−シヨン 磁気機械的マ−カ−をもつコ−ド化された監視システム
US4553136A (en) * 1983-02-04 1985-11-12 Allied Corporation Amorphous antipilferage marker
US4581524A (en) * 1983-04-26 1986-04-08 Minnesota Mining And Manufacturing Company Flexible ferromagnetic marker for the detection of objects having markers secured thereto
US4686516A (en) * 1984-11-26 1987-08-11 Sensormatic Electronics Corporation Method, system and apparatus for use in article surveillance
US4727360A (en) * 1985-09-13 1988-02-23 Security Tag Systems, Inc. Frequency-dividing transponder and use thereof in a presence detection system
US4654641A (en) * 1985-09-13 1987-03-31 Security Tag Systems, Inc. Frequency divider with single resonant circuit and use thereof as a transponder in a presence detection system
US4757315A (en) * 1986-02-20 1988-07-12 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Method and apparatus for measuring distance

Also Published As

Publication number Publication date
EP0338696A2 (de) 1989-10-25
EP0338696B1 (de) 1993-08-11
AU620085B2 (en) 1992-02-13
EP0338696A3 (de) 1991-01-09
JPH01312488A (ja) 1989-12-18
DE68908236D1 (de) 1993-09-16
DE68908236T2 (de) 1993-11-25
NO891522D0 (no) 1989-04-13
ES2041990T3 (es) 1993-12-01
ATE93066T1 (de) 1993-08-15
AU3306889A (en) 1989-10-19

Similar Documents

Publication Publication Date Title
DE3272291D1 (en) Batteryless, portable, frequency divider
EP0996759B1 (de) Amorphe, magnetostriktive legierung mit niedrigem kobaltgehalt und glühverfahren
NO891522D0 (no) Transponder for paavisning av elektromagnetisk straaling ogfremgangsmaate for dens fremstilling.
EP0323041A3 (de) Sicherheitssystem für Kinder
ES2129579T3 (es) Metodo y sistema para detectar un marcador.
SE8205993L (sv) Sett och apparat for uppteckande av stold genom detektering av avklingningen i en resonanskrets
SE8700957L (sv) Forfarande, system och anordning for magnetisk overvakning av varor
SE502894C2 (sv) Elekronisk varuövervakningsanordning och märkanordning
ES2001939A6 (es) Un marcador electronico y un sistema electronico de vigilancia de articulos que lo incorpora
ES2002150A6 (es) Transpondedor portatil, etiqueta codificada que lo incluye y sistema detector de presencia, especialmente para vigilar articulos en tiendas.
ATE79993T1 (de) Integrierter mikrowellen-hohlraumresonator und magnetische abschirmung fuer einen atomfrequenzstandard.
CN1145983C (zh) 用于机械共振式标志器监视系统的金属玻璃合金
DE69834282D1 (de) Amorphe magnetoresistriktive Legierung und elektronisches Warenüberwachungssystem unter Benützung dieser Legierung
JP3955623B2 (ja) 機械的に共振するマーカーによる監視装置用の金属ガラス合金
GB8808933D0 (en) Antipilferage system
EP0629982B1 (de) Frequenzteilender Transponder mit einer amorphen magnetischen Legierung und einem dreipoligen Streifen aus magnetischem Material
GB1129761A (en) Method and apparatus for detecting the unauthorized movement of articles
CA2447128A1 (en) Apparatus for electronic article surveillance tag pollution reduction
GB1451005A (en) Sensors for detecting ferromagnetic objects
JPS5523420A (en) Displacement position detector
AU1516401A (en) Method for distinguishing between semi-soft and soft magnetic material
JPS5242393A (en) Electronic type detector
GB1241090A (en) Metal detecting device
EP1014323A3 (de) Sicherungselement für die elektronische Artikelsicherung
KR20040020354A (ko) 홀 소자를 이용한 금속체 검출용 픽업 장치