NO169411C - Merkekrets for anvendelse i et elektronisk sikringssystem, samt saadant sikringssystem for paavisning av merkekrets. - Google Patents

Merkekrets for anvendelse i et elektronisk sikringssystem, samt saadant sikringssystem for paavisning av merkekrets.

Info

Publication number
NO169411C
NO169411C NO85855242A NO855242A NO169411C NO 169411 C NO169411 C NO 169411C NO 85855242 A NO85855242 A NO 85855242A NO 855242 A NO855242 A NO 855242A NO 169411 C NO169411 C NO 169411C
Authority
NO
Norway
Prior art keywords
circuit
security system
displaying
mark
electronic
Prior art date
Application number
NO85855242A
Other languages
English (en)
Norwegian (no)
Other versions
NO169411B (no
NO855242L (no
Inventor
George Jay Lichtblau
Original Assignee
Lichtblau G J
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22182123&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NO169411(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from PCT/US1984/000613 external-priority patent/WO1985004975A1/fr
Application filed by Lichtblau G J filed Critical Lichtblau G J
Publication of NO855242L publication Critical patent/NO855242L/no
Publication of NO169411B publication Critical patent/NO169411B/no
Publication of NO169411C publication Critical patent/NO169411C/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
    • G08B13/2414—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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
NO85855242A 1984-04-23 1985-12-23 Merkekrets for anvendelse i et elektronisk sikringssystem, samt saadant sikringssystem for paavisning av merkekrets. NO169411C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1984/000613 WO1985004975A1 (fr) 1982-05-10 1984-04-23 Etiquette resonante et desactivateur utilises dans un systeme de securite electronique

Publications (3)

Publication Number Publication Date
NO855242L NO855242L (no) 1985-12-23
NO169411B NO169411B (no) 1992-03-09
NO169411C true NO169411C (no) 1992-06-17

Family

ID=22182123

Family Applications (1)

Application Number Title Priority Date Filing Date
NO85855242A NO169411C (no) 1984-04-23 1985-12-23 Merkekrets for anvendelse i et elektronisk sikringssystem, samt saadant sikringssystem for paavisning av merkekrets.

Country Status (8)

Country Link
JP (1) JPS61501947A (fr)
AU (1) AU584306B2 (fr)
BR (1) BR8407314A (fr)
DK (1) DK165914C (fr)
FI (1) FI84668C (fr)
MC (1) MC1736A1 (fr)
NO (1) NO169411C (fr)
ZA (1) ZA844812B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4846922A (en) * 1986-09-29 1989-07-11 Monarch Marking Systems, Inc. Method of making deactivatable tags
AU613817B2 (en) * 1986-09-29 1991-08-08 Sensormatic Electronics Corporation Deactivatable alarm tag and methods of making and deactivating it
US5103210A (en) * 1990-06-27 1992-04-07 Checkpoint Systems, Inc. Activatable/deactivatable security tag for use with an electronic security system
CH682265A5 (fr) * 1991-02-12 1993-08-13 Actron Entwicklungs Ag
US5341125A (en) * 1992-01-15 1994-08-23 Sensormatic Electronics Corporation Deactivating device for deactivating EAS dual status magnetic tags

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3624631A (en) * 1970-04-27 1971-11-30 Sanders Associates Inc Pilferage control system
JPS4860499A (fr) * 1971-11-29 1973-08-24
US3810147A (en) * 1971-12-30 1974-05-07 G Lichtblau Electronic security system
JPS4877695A (fr) * 1971-12-30 1973-10-18
JPS5018200A (fr) * 1973-06-18 1975-02-26
US3938044A (en) * 1973-11-14 1976-02-10 Lichtblau G J Antenna apparatus for an electronic security system
JPS5230836A (en) * 1975-09-03 1977-03-08 Tokai Pulp Kk Process for producing adhesives based on modified ureas
JPS5242393A (en) * 1975-09-30 1977-04-01 Dainippon Printing Co Ltd Electronic type detector

Also Published As

Publication number Publication date
FI855116L (fi) 1985-12-20
MC1736A1 (fr) 1986-12-15
DK595785A (da) 1985-12-20
AU584306B2 (en) 1989-05-25
NO169411B (no) 1992-03-09
ZA844812B (en) 1985-02-27
JPS61501947A (ja) 1986-09-04
AU2823384A (en) 1985-11-15
DK165914C (da) 1993-07-05
FI84668B (fi) 1991-09-13
NO855242L (no) 1985-12-23
BR8407314A (pt) 1986-04-15
FI84668C (fi) 1991-12-27
JPH0340439B2 (fr) 1991-06-18
DK165914B (da) 1993-02-08
DK595785D0 (da) 1985-12-20
FI855116A0 (fi) 1985-12-20

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Legal Events

Date Code Title Description
MK1K Patent expired