NO855242L - RESONNESS ELEMENT AND DEACTIVATOR FOR USE IN AN ELECTRONIC SECURITY SYSTEM. - Google Patents
RESONNESS ELEMENT AND DEACTIVATOR FOR USE IN AN ELECTRONIC SECURITY SYSTEM.Info
- Publication number
- NO855242L NO855242L NO85855242A NO855242A NO855242L NO 855242 L NO855242 L NO 855242L NO 85855242 A NO85855242 A NO 85855242A NO 855242 A NO855242 A NO 855242A NO 855242 L NO855242 L NO 855242L
- Authority
- NO
- Norway
- Prior art keywords
- resonness
- deactivator
- security system
- electronic security
- electronic
- Prior art date
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)
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 (3)
Publication Number | Publication Date |
---|---|
NO855242L true NO855242L (en) | 1985-12-23 |
NO169411B NO169411B (en) | 1992-03-09 |
NO169411C NO169411C (en) | 1992-06-17 |
Family
ID=22182123
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO85855242A NO169411C (en) | 1984-04-23 | 1985-12-23 | MARK CIRCUIT FOR USE IN AN ELECTRONIC SECURITY SYSTEM, AND SUCH A SECURITY SYSTEM FOR DISPLAYING THE CIRCUIT CIRCUIT. |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS61501947A (en) |
AU (1) | AU584306B2 (en) |
BR (1) | BR8407314A (en) |
DK (1) | DK165914C (en) |
FI (1) | FI84668C (en) |
MC (1) | MC1736A1 (en) |
NO (1) | NO169411C (en) |
ZA (1) | ZA844812B (en) |
Families Citing this family (5)
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 (en) * | 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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3624631A (en) * | 1970-04-27 | 1971-11-30 | Sanders Associates Inc | Pilferage control system |
JPS4860499A (en) * | 1971-11-29 | 1973-08-24 | ||
JPS4877695A (en) * | 1971-12-30 | 1973-10-18 | ||
US3810147A (en) * | 1971-12-30 | 1974-05-07 | G Lichtblau | Electronic security system |
JPS5018200A (en) * | 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 |
-
1984
- 1984-04-23 BR BR8407314A patent/BR8407314A/en not_active IP Right Cessation
- 1984-04-23 JP JP59502086A patent/JPS61501947A/en active Granted
- 1984-04-23 MC MC84US8400613D patent/MC1736A1/en unknown
- 1984-04-23 AU AU28233/84A patent/AU584306B2/en not_active Expired
- 1984-06-25 ZA ZA844812A patent/ZA844812B/en unknown
-
1985
- 1985-12-20 FI FI855116A patent/FI84668C/en not_active IP Right Cessation
- 1985-12-20 DK DK595785A patent/DK165914C/en not_active IP Right Cessation
- 1985-12-23 NO NO85855242A patent/NO169411C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NO169411C (en) | 1992-06-17 |
NO169411B (en) | 1992-03-09 |
MC1736A1 (en) | 1986-12-15 |
AU2823384A (en) | 1985-11-15 |
AU584306B2 (en) | 1989-05-25 |
FI855116A0 (en) | 1985-12-20 |
DK595785D0 (en) | 1985-12-20 |
ZA844812B (en) | 1985-02-27 |
DK595785A (en) | 1985-12-20 |
JPS61501947A (en) | 1986-09-04 |
DK165914C (en) | 1993-07-05 |
BR8407314A (en) | 1986-04-15 |
DK165914B (en) | 1993-02-08 |
FI84668B (en) | 1991-09-13 |
FI84668C (en) | 1991-12-27 |
JPH0340439B2 (en) | 1991-06-18 |
FI855116A (en) | 1985-12-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK1K | Patent expired |