CA2336591C - Energizing circuit for eas marker deactivation device - Google Patents
Energizing circuit for eas marker deactivation device Download PDFInfo
- Publication number
- CA2336591C CA2336591C CA002336591A CA2336591A CA2336591C CA 2336591 C CA2336591 C CA 2336591C CA 002336591 A CA002336591 A CA 002336591A CA 2336591 A CA2336591 A CA 2336591A CA 2336591 C CA2336591 C CA 2336591C
- Authority
- CA
- Canada
- Prior art keywords
- coil
- mode
- energized
- marker
- capacitor
- 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.)
- Expired - Lifetime
Links
- 239000003550 marker Substances 0.000 title claims abstract description 83
- 230000009849 deactivation Effects 0.000 title description 98
- 239000003990 capacitor Substances 0.000 claims description 52
- 238000000034 method Methods 0.000 claims description 7
- 238000010408 sweeping Methods 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 description 24
- 238000001514 detection method Methods 0.000 description 20
- 238000010586 diagram Methods 0.000 description 7
- 230000004044 response Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 2
- WUPHOULIZUERAE-UHFFFAOYSA-N 3-(oxolan-2-yl)propanoic acid Chemical compound OC(=O)CCC1CCCO1 WUPHOULIZUERAE-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 229910052980 cadmium sulfide Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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
- G08B13/2411—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
-
- 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)
- Geophysics And Detection Of Objects (AREA)
- Burglar Alarm Systems (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/110,508 US6111507A (en) | 1997-02-03 | 1998-07-06 | Energizing circuit for EAS marker deactivation device |
| US09/110,508 | 1998-07-06 | ||
| PCT/US1999/014996 WO2000002173A1 (en) | 1998-07-06 | 1999-07-02 | Energizing circuit for eas marker deactivation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2336591A1 CA2336591A1 (en) | 2000-01-13 |
| CA2336591C true CA2336591C (en) | 2008-09-23 |
Family
ID=22333394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002336591A Expired - Lifetime CA2336591C (en) | 1998-07-06 | 1999-07-02 | Energizing circuit for eas marker deactivation device |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6111507A (enExample) |
| EP (1) | EP1103035B1 (enExample) |
| JP (1) | JP4481494B2 (enExample) |
| AU (1) | AU757573B2 (enExample) |
| BR (1) | BR9911751B1 (enExample) |
| CA (1) | CA2336591C (enExample) |
| DE (1) | DE69941397D1 (enExample) |
| WO (1) | WO2000002173A1 (enExample) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6486782B1 (en) | 2000-07-07 | 2002-11-26 | 3M Innovative Properties | Device for changing the status of dual status magnetic electronic article surveillance markers |
| US6778087B2 (en) * | 2001-06-15 | 2004-08-17 | 3M Innovative Properties Company | Dual axis magnetic field EAS device |
| US7527198B2 (en) * | 2002-03-18 | 2009-05-05 | Datalogic Scanning, Inc. | Operation monitoring and enhanced host communications in systems employing electronic article surveillance and RFID tags |
| US6942145B1 (en) * | 2003-06-11 | 2005-09-13 | Ncr Corporation | Checkout device with enhanced security label detection |
| US7119691B2 (en) * | 2003-10-17 | 2006-10-10 | Sensormatic Electronics Corporation | Electronic article surveillance marker deactivator using phase control deactivation |
| US7068172B2 (en) * | 2004-05-21 | 2006-06-27 | Xiao Hui Yang | Method and apparatus for deactivating an EAS device |
| US7106200B2 (en) * | 2004-06-10 | 2006-09-12 | Sensormatic Electronics Corporation | Deactivator using resonant recharge |
| GB2415865A (en) * | 2004-07-02 | 2006-01-04 | Redcliffe Ltd | Arrangement of demagnetising coil pairs for EAS tag deactivation unit |
| JP2006220420A (ja) * | 2005-02-08 | 2006-08-24 | Lintec Corp | 磁気検知タグ判定装置 |
| US7619527B2 (en) | 2005-02-08 | 2009-11-17 | Datalogic Scanning, Inc. | Integrated data reader and electronic article surveillance (EAS) system |
| US7852197B2 (en) * | 2007-06-08 | 2010-12-14 | Sensomatic Electronics, LLC | System and method for inhibiting detection of deactivated labels using detection filters having an adaptive threshold |
| US7825806B2 (en) * | 2007-09-25 | 2010-11-02 | Symbol Technologies, Inc. | Optimizing RFID reader duty cycle or power to preserve battery life |
| US20090212952A1 (en) * | 2008-02-22 | 2009-08-27 | Xiao Hui Yang | Method and apparatus for de-activating eas markers |
| GB2476050B (en) * | 2009-12-08 | 2013-11-13 | Redcliffe Magtronics Ltd | Tag detector |
| CH709808A2 (de) * | 2014-06-24 | 2015-12-31 | Albert Maurer | Ungesteuerter Wechselstromentmagnetisierer. |
| WO2020018501A1 (en) * | 2018-07-17 | 2020-01-23 | Sensormatic Electronics, LLC | Power supply with wirelessly supported phase offset control for acousto-magnetic systems |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4300183A (en) * | 1980-03-27 | 1981-11-10 | Richardson Robert H | Method and apparatus for generating alternating magnetic fields to produce harmonic signals from a metallic strip |
| US4634975A (en) * | 1984-09-17 | 1987-01-06 | Progressive Dynamics, Inc. | Method and apparatus for producing electromagnetic surveillance fields |
| US4728938A (en) * | 1986-01-10 | 1988-03-01 | Checkpoint Systems, Inc. | Security tag deactivation system |
| US5027106A (en) * | 1989-12-27 | 1991-06-25 | Checkpoint Systems, Inc. | Method and apparatus for electronic article surveillance |
| DE4015779A1 (de) * | 1990-05-16 | 1991-11-21 | Minnesota Mining & Mfg | Verfahren zur verwendung mit einem dazu passenden ueberwachungssystem fuer gegenstaende zur feststellung und magnetisierung eines magnetischen markierungselements und vorrichtung zur durchfuehrung des verfahrens |
| US5103210A (en) * | 1990-06-27 | 1992-04-07 | Checkpoint Systems, Inc. | Activatable/deactivatable security tag for use with an electronic security system |
| US5111186A (en) * | 1990-11-29 | 1992-05-05 | Sensormatic Electronics Corporation | LC-type electronic article surveillance tag with voltage dependent capacitor |
| US5243182A (en) * | 1991-03-14 | 1993-09-07 | Alps Electric Co., Ltd. | Photoelectric switch including synch timing signal emitter and detector and photoelectric detector system using the same |
| US5142292A (en) * | 1991-08-05 | 1992-08-25 | Checkpoint Systems, Inc. | Coplanar multiple loop antenna for electronic article surveillance systems |
| US5341125A (en) * | 1992-01-15 | 1994-08-23 | Sensormatic Electronics Corporation | Deactivating device for deactivating EAS dual status magnetic tags |
| US5416316A (en) * | 1992-12-14 | 1995-05-16 | Erwin Sick Gmbh Optik-Electronik | Optical sensor arrangement for presence detection with variable pulse repetition frequency |
| US5353011A (en) * | 1993-01-04 | 1994-10-04 | Checkpoint Systems, Inc. | Electronic article security system with digital signal processing and increased detection range |
| US5493275A (en) * | 1994-08-09 | 1996-02-20 | Sensormatic Electronics Corporation | Apparatus for deactivation of electronic article surveillance tags |
| US5469142A (en) * | 1994-08-10 | 1995-11-21 | Sensormatic Electronics Corporation | Electronic article surveillance system having enhanced tag deactivation capacity |
| US5625339A (en) * | 1996-01-08 | 1997-04-29 | Minnesota Mining And Manufacturing Company | Apparatus for changing the status of magnetic markers in an electronic article surveillance system |
| US5867101A (en) * | 1997-02-03 | 1999-02-02 | Sensormatic Electronics Corporation | Multi-phase mode multiple coil distance deactivator for magnetomechanical EAS markers |
| US6060988A (en) * | 1997-02-03 | 2000-05-09 | Sensormatic Electronics Corporation | EAS marker deactivation device having core-wound energized coils |
-
1998
- 1998-07-06 US US09/110,508 patent/US6111507A/en not_active Expired - Lifetime
-
1999
- 1999-07-02 DE DE69941397T patent/DE69941397D1/de not_active Expired - Lifetime
- 1999-07-02 EP EP99932172A patent/EP1103035B1/en not_active Expired - Lifetime
- 1999-07-02 AU AU48535/99A patent/AU757573B2/en not_active Ceased
- 1999-07-02 CA CA002336591A patent/CA2336591C/en not_active Expired - Lifetime
- 1999-07-02 WO PCT/US1999/014996 patent/WO2000002173A1/en not_active Ceased
- 1999-07-02 BR BRPI9911751-7A patent/BR9911751B1/pt not_active IP Right Cessation
- 1999-07-02 JP JP2000558497A patent/JP4481494B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| BR9911751B1 (pt) | 2010-11-16 |
| JP2002520705A (ja) | 2002-07-09 |
| AU4853599A (en) | 2000-01-24 |
| CA2336591A1 (en) | 2000-01-13 |
| DE69941397D1 (de) | 2009-10-22 |
| US6111507A (en) | 2000-08-29 |
| AU757573B2 (en) | 2003-02-27 |
| EP1103035B1 (en) | 2009-09-09 |
| WO2000002173A9 (en) | 2000-10-05 |
| EP1103035A1 (en) | 2001-05-30 |
| BR9911751A (pt) | 2001-10-02 |
| JP4481494B2 (ja) | 2010-06-16 |
| WO2000002173A1 (en) | 2000-01-13 |
| EP1103035A4 (en) | 2005-04-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2336591C (en) | Energizing circuit for eas marker deactivation device | |
| EP0809922B1 (en) | Method of operating an occupancy sensor | |
| AU755677B2 (en) | Multiple-use deactivation device for electronic article surveillance markers | |
| CA1102899A (en) | Method and apparatus for the promotion of selected harmonic response signals in an article detection system | |
| US20060017556A1 (en) | Building alarm system with synchronized strobes | |
| US6181249B1 (en) | Coil driving circuit for EAS marker deactivation device | |
| JP4122285B2 (ja) | 電子商品監視マーカに使用される磁界を生成する装置および方法、ならびにコンピュータ読取可能な媒体 | |
| EP0457078B1 (en) | Electro-magnetic desensitizer | |
| US5781111A (en) | Apparatus for deactivation of electronic article surveillance tags | |
| AU5342599A (en) | Circuit for energizing eas marker deactivation device with dc pulses of alternating polarity | |
| CA2567031C (en) | Deactivator using resonant recharge | |
| JP2000503426A (ja) | 電子商品監視システムの磁気マーカー状態変更装置 | |
| US20050258965A1 (en) | Method and apparatus for deactivating an EAS device | |
| CA2578535C (en) | Deactivator using inductive charging | |
| CA2480930A1 (en) | Electronic article surveillance marker deactivator using phase control deactivation | |
| WO2001084519A2 (en) | Hand-held scanner deactivator to deactivate magnetomechanical eas markers | |
| HK1023433B (en) | Apparatus for deactivation of electronic article surveillance tags | |
| CN120599751A (zh) | 低放射声磁解码器 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |
Effective date: 20190702 |