CH497009A - Verfahren und Anlage zum Überwachen von Gegenständen - Google Patents

Verfahren und Anlage zum Überwachen von Gegenständen

Info

Publication number
CH497009A
CH497009A CH465668A CH465668A CH497009A CH 497009 A CH497009 A CH 497009A CH 465668 A CH465668 A CH 465668A CH 465668 A CH465668 A CH 465668A CH 497009 A CH497009 A CH 497009A
Authority
CH
Switzerland
Prior art keywords
monitoring objects
monitoring
objects
Prior art date
Application number
CH465668A
Other languages
English (en)
Inventor
Welsh John
N Vaughan Richard
Livingston Gordon Lloyd
Original Assignee
Welsh John
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 Welsh John filed Critical Welsh John
Publication of CH497009A publication Critical patent/CH497009A/de

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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Burglar Alarm Systems (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Electronic Switches (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)
CH465668A 1967-03-30 1968-03-29 Verfahren und Anlage zum Überwachen von Gegenständen CH497009A (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH497009A true CH497009A (de) 1970-09-30

Family

ID=24563333

Family Applications (1)

Application Number Title Priority Date Filing Date
CH465668A CH497009A (de) 1967-03-30 1968-03-29 Verfahren und Anlage zum Überwachen von Gegenständen

Country Status (18)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2658669A1 (de) * 1975-12-25 1977-07-07 Tokyo Shibaura Electric Co Vorrichtung zum identifizieren eines vordergrundobjekts

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2658669A1 (de) * 1975-12-25 1977-07-07 Tokyo Shibaura Electric Co Vorrichtung zum identifizieren eines vordergrundobjekts

Also Published As

Publication number Publication date
CA947398A (en) 1974-05-14
IL29665A (en) 1971-12-29
IE32556L (en) 1968-09-30
GB1227141A (de) 1971-04-07
LU55805A1 (de) 1968-06-17
DE1766065B2 (de) 1979-08-09
SE343418B (de) 1972-03-06
FR1565745A (de) 1969-05-02
JPS5230836B1 (de) 1977-08-10
AT311217B (de) 1973-11-12
BR6897870D0 (pt) 1973-01-11
NO126975B (de) 1973-04-16
DE1766065A1 (de) 1971-05-27
DE1766065C3 (de) 1980-04-10
IE32556B1 (en) 1973-09-19
US4063229A (en) 1977-12-13
DK126143B (de) 1973-06-12
NL159802B (nl) 1979-03-15
ES352178A1 (es) 1970-02-01
DK126143C (da) 1973-10-22
NL6804325A (de) 1968-10-01
BE713027A (de) 1968-09-30

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