ATE184723T1 - Anwesenheitsdetektionsempfangsvorrichtung - Google Patents

Anwesenheitsdetektionsempfangsvorrichtung

Info

Publication number
ATE184723T1
ATE184723T1 AT87850009T AT87850009T ATE184723T1 AT E184723 T1 ATE184723 T1 AT E184723T1 AT 87850009 T AT87850009 T AT 87850009T AT 87850009 T AT87850009 T AT 87850009T AT E184723 T1 ATE184723 T1 AT E184723T1
Authority
AT
Austria
Prior art keywords
coil
receiving
indicating device
emit
parallel
Prior art date
Application number
AT87850009T
Other languages
English (en)
Inventor
Leif Asbrink
Original Assignee
Meto International Gmbh
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 Meto International Gmbh filed Critical Meto International Gmbh
Application granted granted Critical
Publication of ATE184723T1 publication Critical patent/ATE184723T1/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
    • G08B13/2408—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
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/08—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes
    • G06K7/082—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors
    • G06K7/083—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors inductive
    • G06K7/086—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors inductive sensing passive circuit, e.g. resonant circuit transponders
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/08—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes
    • G06K7/082—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors
    • G06K7/087—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors flux-sensitive, e.g. magnetic, detectors
    • 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
    • G08B13/2465—Aspects related to the EAS system, e.g. system components other than tags
    • G08B13/2468—Antenna in system and the related signal processing
    • G08B13/2474—Antenna or antenna activator geometry, arrangement or layout
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • Signal Processing (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Saccharide Compounds (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Burglar Alarm Systems (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Pinball Game Machines (AREA)
AT87850009T 1986-01-21 1987-01-16 Anwesenheitsdetektionsempfangsvorrichtung ATE184723T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8600258A SE451166C (sv) 1986-01-21 1986-01-21 Mottagaranordning foer att detektera naervaro av en indikeringsanordning i en begraensad undersoekningszon

Publications (1)

Publication Number Publication Date
ATE184723T1 true ATE184723T1 (de) 1999-10-15

Family

ID=20363169

Family Applications (1)

Application Number Title Priority Date Filing Date
AT87850009T ATE184723T1 (de) 1986-01-21 1987-01-16 Anwesenheitsdetektionsempfangsvorrichtung

Country Status (12)

Country Link
US (1) US4845509A (de)
EP (1) EP0238458B1 (de)
JP (1) JPH0782593B2 (de)
AT (1) ATE184723T1 (de)
AU (1) AU594745B2 (de)
CA (1) CA1278352C (de)
DE (1) DE3752291T2 (de)
DK (1) DK167511B1 (de)
ES (1) ES2136054T3 (de)
FI (1) FI86233C (de)
SE (1) SE451166C (de)
WO (1) WO1987004551A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5103234A (en) * 1987-08-28 1992-04-07 Sensormatic Electronics Corporation Electronic article surveillance system
ZA889254B (en) * 1987-12-10 1990-08-29 Uniscan Ltd Powering and communication apparatus and method(s)
US5126749A (en) * 1989-08-25 1992-06-30 Kaltner George W Individually fed multiloop antennas for electronic security systems
USD318247S (en) 1989-09-11 1991-07-16 Checkpoint Systems, Inc. Electronic article surveillance antenna for a theft detection system
USD317272S (en) 1989-10-06 1991-06-04 Minnesota Mining And Manufacturing Company Electronic article surveillance unit
US5142292A (en) * 1991-08-05 1992-08-25 Checkpoint Systems, Inc. Coplanar multiple loop antenna for electronic article surveillance systems
US5404147A (en) * 1992-10-28 1995-04-04 Sensormatic Electronics Corporation EAS system loop antenna having three loops of different area
DE4436974B4 (de) * 1994-10-15 2004-04-01 Meto International Gmbh Markierungselement zur Sicherung von Artikeln gegen Diebstahl
DE4440314A1 (de) * 1994-11-11 1996-05-15 Esselte Meto Int Gmbh Markierungselement zur Sicherung von Artikeln gegen Diebstahl
FR2745103B1 (fr) * 1996-02-15 1998-04-03 Bourgogne Grasset Dispositif de rangement pour jetons de jeu
PT1766589E (pt) 2005-04-07 2013-08-23 Gaming Partners Int Processo de gestão de uma pluralidade de leitores de fichas incorporando um microprocessador electrónico e equipamento de implementação do dito processo
USD867192S1 (en) 2018-06-06 2019-11-19 Donald R. Sweeney Metal detector

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4016553A (en) * 1975-06-27 1977-04-05 Knogo Corporation Article detection system with near field electromagnetic wave control
US4118693A (en) * 1977-05-09 1978-10-03 Knogo Corporation Method and apparatus for producing uniform electromagnetic fields in an article detection system
SE429382B (sv) * 1977-05-09 1983-08-29 Knogo Corp Sett och apparat for detektering av obehorig passage av foremal genom en fragezon
US4135184A (en) * 1977-08-31 1979-01-16 Knogo Corporation Electronic theft detection system for monitoring wide passageways
US4243980A (en) * 1978-02-17 1981-01-06 Lichtblau G J Antenna system for electronic security installations
DK145169C (da) * 1978-08-09 1983-02-21 Security Prod Int Anlaeg til registrering af en passage af en genstand gennem etforudbestemt omraade
US4373163A (en) * 1980-07-14 1983-02-08 I.D. Engineering, Inc. Loop antenna for security systems
US4309697A (en) * 1980-10-02 1982-01-05 Sensormatic Electronics Corporation Magnetic surveillance system with odd-even harmonic and phase discrimination
GB2133660B (en) * 1982-11-09 1986-07-30 Tag Radionics Ltd Transponder detection systems
ATE53675T1 (de) * 1984-02-15 1990-06-15 Esselte Meto Eas Int Ab Verfahren und anordnung zur detektion eines anzeigegeraets.
US4633250A (en) * 1985-01-07 1986-12-30 Allied Corporation Coplanar antenna for proximate surveillance systems

Also Published As

Publication number Publication date
SE451166B (sv) 1987-09-07
EP0238458A2 (de) 1987-09-23
FI874087A7 (fi) 1987-09-18
DE3752291T2 (de) 2000-03-23
JPH0782593B2 (ja) 1995-09-06
SE8600258L (sv) 1987-07-22
SE8600258D0 (sv) 1986-01-21
DK489387D0 (da) 1987-09-18
WO1987004551A1 (en) 1987-07-30
AU6899487A (en) 1987-08-14
DK489387A (da) 1987-09-18
CA1278352C (en) 1990-12-27
FI874087A0 (fi) 1987-09-18
DK167511B1 (da) 1993-11-08
JPS63502226A (ja) 1988-08-25
FI86233B (fi) 1992-04-15
FI86233C (fi) 1992-07-27
SE451166C (sv) 1990-12-10
ES2136054T3 (es) 1999-11-16
EP0238458B1 (de) 1999-09-15
DE3752291D1 (de) 1999-10-21
US4845509A (en) 1989-07-04
EP0238458A3 (de) 1989-10-04
AU594745B2 (en) 1990-03-15

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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