CA947398A - Article surveillance method and system - Google Patents

Article surveillance method and system

Info

Publication number
CA947398A
CA947398A CA015,387A CA15387A CA947398A CA 947398 A CA947398 A CA 947398A CA 15387 A CA15387 A CA 15387A CA 947398 A CA947398 A CA 947398A
Authority
CA
Canada
Prior art keywords
article surveillance
surveillance method
article
surveillance
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
CA015,387A
Inventor
John Welsh
Richard Vaughan
Lloyd L. Gordon
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
Sensormatic Electronics Corp
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 Sensormatic Electronics Corp filed Critical Sensormatic Electronics Corp
Application granted granted Critical
Publication of CA947398A publication Critical patent/CA947398A/en
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
    • G08B13/2422—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 acoustic or microwave tags
    • 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
    • G08B13/2437—Tag layered structure, processes for making layered tags
    • 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
    • G08B13/2437—Tag layered structure, processes for making layered tags
    • G08B13/2442—Tag materials and material properties thereof, e.g. magnetic material details
    • 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
    • G08B13/2465—Aspects related to the EAS system, e.g. system components other than tags
    • G08B13/2468—Antenna in system and the related signal processing
    • G08B13/2471—Antenna signal processing by receiver or emitter
    • 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
    • G08B13/2465—Aspects related to the EAS system, e.g. system components other than tags
    • G08B13/2468—Antenna in system and the related signal processing
    • G08B13/2477—Antenna or antenna activator circuit
    • 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
    • G08B13/2465—Aspects related to the EAS system, e.g. system components other than tags
    • G08B13/2488—Timing issues, e.g. synchronising measures to avoid signal collision, with multiple emitters or a single emitter and receiver
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S206/00—Special receptacle or package
    • Y10S206/807—Tamper proof
CA015,387A 1967-03-30 1968-03-20 Article surveillance method and system Expired CA947398A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US63925067A 1967-03-30 1967-03-30

Publications (1)

Publication Number Publication Date
CA947398A true CA947398A (en) 1974-05-14

Family

ID=24563333

Family Applications (1)

Application Number Title Priority Date Filing Date
CA015,387A Expired CA947398A (en) 1967-03-30 1968-03-20 Article surveillance method and system

Country Status (18)

Country Link
US (1) US4063229A (en)
JP (1) JPS5230836B1 (en)
AT (1) AT311217B (en)
BE (1) BE713027A (en)
BR (1) BR6897870D0 (en)
CA (1) CA947398A (en)
CH (1) CH497009A (en)
DE (1) DE1766065C3 (en)
DK (1) DK126143C (en)
ES (1) ES352178A1 (en)
FR (1) FR1565745A (en)
GB (1) GB1227141A (en)
IE (1) IE32556B1 (en)
IL (1) IL29665A (en)
LU (1) LU55805A1 (en)
NL (1) NL159802B (en)
NO (1) NO126975B (en)
SE (1) SE343418B (en)

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Also Published As

Publication number Publication date
DK126143C (en) 1973-10-22
ES352178A1 (en) 1970-02-01
SE343418B (en) 1972-03-06
FR1565745A (en) 1969-05-02
BR6897870D0 (en) 1973-01-11
AT311217B (en) 1973-11-12
US4063229A (en) 1977-12-13
DE1766065A1 (en) 1971-05-27
DE1766065C3 (en) 1980-04-10
IE32556B1 (en) 1973-09-19
NO126975B (en) 1973-04-16
IE32556L (en) 1968-09-30
IL29665A (en) 1971-12-29
DE1766065B2 (en) 1979-08-09
CH497009A (en) 1970-09-30
GB1227141A (en) 1971-04-07
JPS5230836B1 (en) 1977-08-10
BE713027A (en) 1968-09-30
LU55805A1 (en) 1968-06-17
DK126143B (en) 1973-06-12
NL6804325A (en) 1968-10-01
NL159802B (en) 1979-03-15

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