FR2390784A1 - Dispositif de protection contre le vol - Google Patents
Dispositif de protection contre le volInfo
- Publication number
- FR2390784A1 FR2390784A1 FR7813695A FR7813695A FR2390784A1 FR 2390784 A1 FR2390784 A1 FR 2390784A1 FR 7813695 A FR7813695 A FR 7813695A FR 7813695 A FR7813695 A FR 7813695A FR 2390784 A1 FR2390784 A1 FR 2390784A1
- Authority
- FR
- France
- Prior art keywords
- coil
- protection device
- theft protection
- zone
- interrogation
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
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
- G08B13/2408—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 ferromagnetic 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
- G08B13/2465—Aspects related to the EAS system, e.g. system components other than tags
- G08B13/2468—Antenna in system and the related signal processing
- G08B13/2474—Antenna or antenna activator geometry, arrangement or layout
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Security & Cryptography (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Burglar Alarm Systems (AREA)
- Geophysics And Detection Of Objects (AREA)
- Emergency Alarm Devices (AREA)
Abstract
L'invention concerne les dispositifs anti-voL Le dispositif de l'invention comprend essentiellement une bobine d'interrogation 26 qui établit un champ électromagnétique alternatif dans une zone d'interrogation 24, une bobine de réception 42 qui attaque un récepteur 46 et un dispositif d'alarme 47, et une bobine parasite 50, associée à un condensateur d'accord 54, qui est excitée uniquement par couplage électromagnétique avec la bobine d'émission, et qui uniformise le champ dans la zone 24. Application à la protection des bibliothèques.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/795,132 US4118693A (en) | 1977-05-09 | 1977-05-09 | Method and apparatus for producing uniform electromagnetic fields in an article detection system |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2390784A1 true FR2390784A1 (fr) | 1978-12-08 |
FR2390784B1 FR2390784B1 (fr) | 1983-02-11 |
Family
ID=25164768
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7813695A Granted FR2390784A1 (fr) | 1977-05-09 | 1978-05-09 | Dispositif de protection contre le vol |
Country Status (8)
Country | Link |
---|---|
US (1) | US4118693A (fr) |
JP (1) | JPS5857797B2 (fr) |
AU (1) | AU504357B1 (fr) |
CA (1) | CA1115805A (fr) |
DE (1) | DE2820166C3 (fr) |
FR (1) | FR2390784A1 (fr) |
GB (1) | GB1585303A (fr) |
IT (1) | IT1103127B (fr) |
Families Citing this family (47)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE871580A (fr) * | 1978-10-26 | 1979-02-15 | Janssen Lambert | Systeme electromagnetique de detection |
US4274090A (en) * | 1980-02-19 | 1981-06-16 | Knogo Corporation | Detection of articles in adjacent passageways |
US4384281A (en) * | 1980-10-31 | 1983-05-17 | Knogo Corporation | Theft detection apparatus using saturable magnetic targets |
US4441498A (en) * | 1982-05-10 | 1984-04-10 | Cardio-Pace Medical, Inc. | Planar receiver antenna coil for programmable electromedical pulse generator |
JPS59165090U (ja) * | 1983-04-20 | 1984-11-06 | 株式会社 サト− | 万引防止装置 |
US4665387A (en) * | 1983-07-13 | 1987-05-12 | Knogo Corporation | Method and apparatus for target deactivation and reactivation in article surveillance systems |
US4568921A (en) * | 1984-07-13 | 1986-02-04 | Knogo Corporation | Theft detection apparatus and target and method of making same |
US4634975A (en) * | 1984-09-17 | 1987-01-06 | Progressive Dynamics, Inc. | Method and apparatus for producing electromagnetic surveillance fields |
SE451166C (sv) * | 1986-01-21 | 1990-12-10 | Intermodulation & Safety Syst | Mottagaranordning foer att detektera naervaro av en indikeringsanordning i en begraensad undersoekningszon |
US4684930A (en) * | 1986-03-18 | 1987-08-04 | Knogo Corporation | Method and apparatus for deactivating targets used in electromagnetic type article surveillance systems |
US5103234A (en) * | 1987-08-28 | 1992-04-07 | Sensormatic Electronics Corporation | Electronic article surveillance system |
GB2210235A (en) * | 1987-09-24 | 1989-06-01 | Sensormatic Electronics Corp | An article with embedded marker |
JPH0246444U (fr) * | 1988-09-24 | 1990-03-29 | ||
US5146204A (en) * | 1990-03-13 | 1992-09-08 | Knogo Corporation | Theft detection apparatus and flattened wire target and method of making same |
US5142292A (en) * | 1991-08-05 | 1992-08-25 | Checkpoint Systems, Inc. | Coplanar multiple loop antenna for electronic article surveillance systems |
DE4200082A1 (de) * | 1992-01-03 | 1993-07-08 | Minnesota Mining & Mfg | Vorrichtung und verfahren zum erkennen eines magnetisierbaren markierungselementes |
DE19503896A1 (de) * | 1995-02-07 | 1996-08-08 | Esselte Meto Int Gmbh | Einrichtung zur Detektierung eines mit einem elektronischen Sicherungselement versehenen Artikels |
US5708423A (en) * | 1995-05-09 | 1998-01-13 | Sensormatic Electronics Corporation | Zone-Based asset tracking and control system |
FR2740109B1 (fr) * | 1995-10-20 | 1997-12-05 | Sensormatic France Sa | Couvercle ou manchon, pour bouteille ou recipient, muni d'un marqueur integre pour la surveillance electronique, et leurs procedes de fabrication |
CA2251326C (fr) * | 1996-04-10 | 2003-06-17 | Sentry Technology Corporation | Systeme electronique de surveillance d'articles |
AUPO055296A0 (en) * | 1996-06-19 | 1996-07-11 | Integrated Silicon Design Pty Ltd | Enhanced range transponder system |
US5699048A (en) * | 1996-10-03 | 1997-12-16 | Industrial Technology Inc. | Omnidirectional passive electrical marker for underground use |
US5990791A (en) * | 1997-10-22 | 1999-11-23 | William B. Spargur | Anti-theft detection system |
US6097293A (en) * | 1999-04-15 | 2000-08-01 | Industrial Technology, Inc. | Passive electrical marker for underground use and method of making thereof |
US6388575B1 (en) | 1999-11-05 | 2002-05-14 | Industrial Technology, Inc. | Addressable underground marker |
US6512457B2 (en) * | 1999-11-15 | 2003-01-28 | Hector Irizarry | Monitoring device adapted for use with an electronic article surveillance system |
US6195009B1 (en) * | 1999-11-15 | 2001-02-27 | Hector Irizarry | Child monitoring device adapted for use with an electronic surveillance system |
US6380857B1 (en) | 2000-10-16 | 2002-04-30 | Industrial Technology, Inc. | Self leveling underground marker |
USRE47599E1 (en) | 2000-10-20 | 2019-09-10 | Promega Corporation | RF point of sale and delivery method and system using communication with remote computer and having features to read a large number of RF tags |
US20020183882A1 (en) | 2000-10-20 | 2002-12-05 | Michael Dearing | RF point of sale and delivery method and system using communication with remote computer and having features to read a large number of RF tags |
CA2425189A1 (fr) | 2000-10-20 | 2002-05-02 | Promega Corporation | Procede d'identification par radiofrequence et systeme de distribution de produits |
FR2828016B1 (fr) * | 2001-07-30 | 2005-03-25 | Pygmalyon | Antennes du genre boucle |
US20030117281A1 (en) * | 2001-12-21 | 2003-06-26 | Timur Sriharto | Dynamic control containment unit |
JP4880867B2 (ja) * | 2002-04-10 | 2012-02-22 | セイコーインスツル株式会社 | 薄膜メモリ、アレイとその動作方法および製造方法 |
US6836216B2 (en) * | 2002-05-09 | 2004-12-28 | Electronic Article Surveillance Technologies, Ltd. | Electronic article surveillance system |
US20060113302A1 (en) * | 2004-09-09 | 2006-06-01 | Inteligistics, Inc. | Modular shipping unit and system |
US7978060B2 (en) * | 2005-02-14 | 2011-07-12 | Inteligistics, Inc. | Identification system |
US20060289650A1 (en) * | 2005-06-27 | 2006-12-28 | Mobile Aspects, Inc. | Networked monitoring system |
US8026818B2 (en) * | 2006-12-20 | 2011-09-27 | Checkpoint Systems, Inc. | EAS and UHF combination tag |
US7710275B2 (en) | 2007-03-16 | 2010-05-04 | Promega Corporation | RFID reader enclosure and man-o-war RFID reader system |
US8414471B2 (en) | 2008-10-28 | 2013-04-09 | Mobile Aspects, Inc. | Endoscope storage cabinet, tracking system, and signal emitting member |
US8648699B2 (en) | 2010-07-19 | 2014-02-11 | Mobile Aspects, Inc. | Item tracking system and arrangement |
US20120139730A1 (en) * | 2010-12-03 | 2012-06-07 | Metrologic Instruments, Inc. | Electronic article surveillance system |
US9892618B2 (en) | 2013-08-09 | 2018-02-13 | Mobile Aspects, Inc. | Signal emitting member attachment system and arrangement |
US9348013B2 (en) | 2013-09-18 | 2016-05-24 | Mobile Aspects, Inc. | Item hanger arrangement, system, and method |
US9224124B2 (en) | 2013-10-29 | 2015-12-29 | Mobile Aspects, Inc. | Item storage and tracking cabinet and arrangement |
US10034400B2 (en) | 2013-12-04 | 2018-07-24 | Mobile Aspects, Inc. | Item storage arrangement system and method |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR763681A (fr) * | 1933-11-10 | 1934-05-04 | Procédé de repérage des objets par modification d'un champ magnétique | |
GB1085704A (en) * | 1964-10-30 | 1967-10-04 | Nat Res Dev | Apparatus for detecting an object |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3500373A (en) * | 1966-05-06 | 1970-03-10 | Nat Bank Of North America The | Method and apparatus for article theft detection |
US3707711A (en) * | 1970-04-02 | 1972-12-26 | Peter Harold Cole | Electronic surveillance system |
US3838409A (en) * | 1973-04-13 | 1974-09-24 | Knogo Corp | Field strength uniformity control system for article theft detection system |
US3983552A (en) * | 1975-01-14 | 1976-09-28 | American District Telegraph Company | Pilferage detection systems |
-
1977
- 1977-05-09 US US05/795,132 patent/US4118693A/en not_active Expired - Lifetime
-
1978
- 1978-04-28 GB GB16974/78A patent/GB1585303A/en not_active Expired
- 1978-05-05 CA CA302,737A patent/CA1115805A/fr not_active Expired
- 1978-05-08 AU AU35896/78A patent/AU504357B1/en not_active Expired
- 1978-05-09 DE DE2820166A patent/DE2820166C3/de not_active Expired
- 1978-05-09 JP JP53054899A patent/JPS5857797B2/ja not_active Expired
- 1978-05-09 IT IT49258/78A patent/IT1103127B/it active
- 1978-05-09 FR FR7813695A patent/FR2390784A1/fr active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR763681A (fr) * | 1933-11-10 | 1934-05-04 | Procédé de repérage des objets par modification d'un champ magnétique | |
GB1085704A (en) * | 1964-10-30 | 1967-10-04 | Nat Res Dev | Apparatus for detecting an object |
Also Published As
Publication number | Publication date |
---|---|
US4118693A (en) | 1978-10-03 |
DE2820166B2 (de) | 1980-09-18 |
DE2820166C3 (de) | 1981-07-23 |
IT7849258A0 (it) | 1978-05-09 |
DE2820166A1 (de) | 1978-11-23 |
JPS5412288A (en) | 1979-01-29 |
AU504357B1 (en) | 1979-10-11 |
FR2390784B1 (fr) | 1983-02-11 |
IT1103127B (it) | 1985-10-14 |
GB1585303A (en) | 1981-02-25 |
JPS5857797B2 (ja) | 1983-12-21 |
CA1115805A (fr) | 1982-01-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |