DK0439237T3 - Fremgangsmåde og apparat til deaktivering af elektromagnetiske detekteringsmærker - Google Patents
Fremgangsmåde og apparat til deaktivering af elektromagnetiske detekteringsmærkerInfo
- Publication number
- DK0439237T3 DK0439237T3 DK91200141.9T DK91200141T DK0439237T3 DK 0439237 T3 DK0439237 T3 DK 0439237T3 DK 91200141 T DK91200141 T DK 91200141T DK 0439237 T3 DK0439237 T3 DK 0439237T3
- Authority
- DK
- Denmark
- Prior art keywords
- frequency
- detection
- label
- detected
- interrogation field
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Security & Cryptography (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Burglar Alarm Systems (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL9000186A NL9000186A (nl) | 1990-01-25 | 1990-01-25 | Deactiveerinrichting. |
Publications (1)
Publication Number | Publication Date |
---|---|
DK0439237T3 true DK0439237T3 (da) | 1995-06-12 |
Family
ID=19856479
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK91200141.9T DK0439237T3 (da) | 1990-01-25 | 1991-01-24 | Fremgangsmåde og apparat til deaktivering af elektromagnetiske detekteringsmærker |
Country Status (7)
Country | Link |
---|---|
US (1) | US5153562A (da) |
EP (1) | EP0439237B1 (da) |
AT (1) | ATE116756T1 (da) |
DE (1) | DE69106395T2 (da) |
DK (1) | DK0439237T3 (da) |
ES (1) | ES2069188T3 (da) |
NL (1) | NL9000186A (da) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL9002120A (nl) * | 1990-09-28 | 1992-04-16 | Nedap Nv | Pulsdeactivator. |
US5337040A (en) * | 1991-10-31 | 1994-08-09 | Actron Entwicklungs Ag | Detection apparatus for shoplifting-preventing labels |
DK167829B1 (da) * | 1991-11-14 | 1993-12-20 | Poul Richter Joergensen | Fremgangsmaade og apparat til aktivering og deaktivering af maerkesedler |
US5288980A (en) * | 1992-06-25 | 1994-02-22 | Kingsley Library Equipment Company | Library check out/check in system |
US7123129B1 (en) * | 1995-08-14 | 2006-10-17 | Intermec Ip Corp. | Modulation of the resonant frequency of a circuit using an energy field |
FI100491B (fi) * | 1995-08-23 | 1997-12-15 | Tuotesuoja Sirpa Jaervensivu K | Tuotesuoja-anturin deaktivointilaitteisto |
US6232878B1 (en) * | 1999-05-20 | 2001-05-15 | Checkpoint Systems, Inc. | Resonant circuit detection, measurement and deactivation system employing a numerically controlled oscillator |
US6963270B1 (en) | 1999-10-27 | 2005-11-08 | Checkpoint Systems, Inc. | Anticollision protocol with fast read request and additional schemes for reading multiple transponders in an RFID system |
AU2001216591A1 (en) * | 2000-11-16 | 2002-05-27 | Checkpoint Systems Inc. | Anticollision protocol with fast read request and additional schemes for readingmultiple transponders in an rfid system |
WO2011035302A1 (en) | 2009-09-21 | 2011-03-24 | Checkpoint Systems, Inc. | Retail product tracking system, method, and apparatus |
US8508367B2 (en) | 2009-09-21 | 2013-08-13 | Checkpoint Systems, Inc. | Configurable monitoring device |
EP3450201B1 (de) * | 2017-09-04 | 2020-07-01 | Continental Reifen Deutschland GmbH | Verfahren zur herstellung einer kautschukmischung und kautschukmischung hergestellt nach dem verfahren |
US10511347B2 (en) * | 2017-11-14 | 2019-12-17 | Nxp B.V. | Device detection in contactless communication systems |
CN112037452B (zh) * | 2020-09-10 | 2023-02-21 | 成都威图芯晟科技有限公司 | 电子商品防盗系统、发射机及防盗信号生成方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3810147A (en) * | 1971-12-30 | 1974-05-07 | G Lichtblau | Electronic security system |
US4498076A (en) * | 1982-05-10 | 1985-02-05 | Lichtblau G J | Resonant tag and deactivator for use in an electronic security system |
US4728938A (en) * | 1986-01-10 | 1988-03-01 | Checkpoint Systems, Inc. | Security tag deactivation system |
US4876555B1 (en) * | 1987-03-17 | 1995-07-25 | Actron Entwicklungs Ag | Resonance label and method for its fabrication |
EP0287905B1 (de) * | 1987-04-23 | 1993-03-03 | Actron Entwicklungs AG | Verfahren zum Deaktivieren einer Resonanzetikette und Schaltungsanordnung zur Durchführung des Verfahrens |
US4920335A (en) * | 1989-01-31 | 1990-04-24 | Interamerican Industrial Company | Electronic article surveillance device with remote deactivation |
US5012225A (en) * | 1989-12-15 | 1991-04-30 | Checkpoint Systems, Inc. | System for deactivating a field-sensitive tag or label |
-
1990
- 1990-01-25 NL NL9000186A patent/NL9000186A/nl not_active Application Discontinuation
-
1991
- 1991-01-24 ES ES91200141T patent/ES2069188T3/es not_active Expired - Lifetime
- 1991-01-24 EP EP91200141A patent/EP0439237B1/en not_active Expired - Lifetime
- 1991-01-24 AT AT91200141T patent/ATE116756T1/de not_active IP Right Cessation
- 1991-01-24 DK DK91200141.9T patent/DK0439237T3/da active
- 1991-01-24 DE DE69106395T patent/DE69106395T2/de not_active Expired - Lifetime
- 1991-01-25 US US07/645,886 patent/US5153562A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5153562A (en) | 1992-10-06 |
EP0439237A1 (en) | 1991-07-31 |
ATE116756T1 (de) | 1995-01-15 |
NL9000186A (nl) | 1991-08-16 |
DE69106395D1 (de) | 1995-02-16 |
EP0439237B1 (en) | 1995-01-04 |
DE69106395T2 (de) | 1995-05-04 |
ES2069188T3 (es) | 1995-05-01 |
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