BR8407314A - Circuito ressonante do tipo etiqueta e desativador,para utilizacao num sistema de seguranca eletronico - Google Patents

Circuito ressonante do tipo etiqueta e desativador,para utilizacao num sistema de seguranca eletronico

Info

Publication number
BR8407314A
BR8407314A BR8407314A BR8407314A BR8407314A BR 8407314 A BR8407314 A BR 8407314A BR 8407314 A BR8407314 A BR 8407314A BR 8407314 A BR8407314 A BR 8407314A BR 8407314 A BR8407314 A BR 8407314A
Authority
BR
Brazil
Prior art keywords
label
resonant circuit
safety system
electronic safety
disabling type
Prior art date
Application number
BR8407314A
Other languages
English (en)
Portuguese (pt)
Inventor
George Jay Lichtblau
Original Assignee
Little Inc A
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=BR8407314(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Little Inc A filed Critical Little Inc A
Priority claimed from PCT/US1984/000613 external-priority patent/WO1985004975A1/en
Publication of BR8407314A publication Critical patent/BR8407314A/pt

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
    • G08B13/2414—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)
BR8407314A 1984-04-23 1984-04-23 Circuito ressonante do tipo etiqueta e desativador,para utilizacao num sistema de seguranca eletronico BR8407314A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1984/000613 WO1985004975A1 (en) 1982-05-10 1984-04-23 Resonant tag and deactivator for use in an electronic security system

Publications (1)

Publication Number Publication Date
BR8407314A true BR8407314A (pt) 1986-04-15

Family

ID=22182123

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8407314A BR8407314A (pt) 1984-04-23 1984-04-23 Circuito ressonante do tipo etiqueta e desativador,para utilizacao num sistema de seguranca eletronico

Country Status (8)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU613817B2 (en) * 1986-09-29 1991-08-08 Sensormatic Electronics Corporation Deactivatable alarm tag and methods of making and deactivating it
US4846922A (en) * 1986-09-29 1989-07-11 Monarch Marking Systems, Inc. Method of making deactivatable tags
US5103210A (en) * 1990-06-27 1992-04-07 Checkpoint Systems, Inc. Activatable/deactivatable security tag for use with an electronic security system
CH682265A5 (fi) * 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 (fi) * 1971-11-29 1973-08-24
JPS4877695A (fi) * 1971-12-30 1973-10-18
US3810147A (en) * 1971-12-30 1974-05-07 G Lichtblau Electronic security system
JPS5018200A (fi) * 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
DK165914C (da) 1993-07-05
FI84668B (fi) 1991-09-13
FI84668C (fi) 1991-12-27
NO855242L (no) 1985-12-23
AU2823384A (en) 1985-11-15
DK595785D0 (da) 1985-12-20
NO169411B (no) 1992-03-09
ZA844812B (en) 1985-02-27
DK165914B (da) 1993-02-08
DK595785A (da) 1985-12-20
JPH0340439B2 (fi) 1991-06-18
FI855116A0 (fi) 1985-12-20
FI855116A (fi) 1985-12-20
MC1736A1 (fr) 1986-12-15
JPS61501947A (ja) 1986-09-04
NO169411C (no) 1992-06-17
AU584306B2 (en) 1989-05-25

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Legal Events

Date Code Title Description
HHT Entry of change of name and/or headquarter and transfer of application, patent and certificate of addition of invention: republication

Free format text: TRANSFERIDO DE: ARTHUR D. LITTLE, INC. REFERENCIA: RPI NO 1136 DE 08/09/1992 - CODIGO 20.1 - ITEM (73).

B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 23/04/99