CA2272145C - Marqueurs de surveillance electroniques d'articles s'appliquant directement a des support d'enregistrement optiques - Google Patents

Marqueurs de surveillance electroniques d'articles s'appliquant directement a des support d'enregistrement optiques Download PDF

Info

Publication number: CA2272145C
Authority: CA; Canada
Prior art keywords: marker; recorded media; optically recorded; signal; elements
Prior art date: 1996-01-19
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 - Fee Related

Application number

CA002272145A

Other languages

English (en)

Other versions

CA2272145A1 (fr

Inventor

Ching-Long Tsai

Chester Piotrowski

Rita M. Lunderville

Norman L. Koning

John G. Fitzgerald

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

3M Co

Original Assignee

Minnesota Mining and Manufacturing Co

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.)

1996-01-19

Filing date

1997-01-14

Publication date

2006-01-10

1996-01-19 Priority claimed from US08/587,721 external-priority patent/US5699047A/en

1997-01-14 Application filed by Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co

1997-07-24 Publication of CA2272145A1 publication Critical patent/CA2272145A1/fr

2006-01-10 Application granted granted Critical

2006-01-10 Publication of CA2272145C publication Critical patent/CA2272145C/fr

2017-01-14 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

239000003550 marker Substances 0.000 claims abstract description 308
230000002411 adverse Effects 0.000 claims abstract description 21
239000010410 layer Substances 0.000 claims description 46
238000010276 construction Methods 0.000 claims description 39
239000012790 adhesive layer Substances 0.000 claims description 28
239000000696 magnetic material Substances 0.000 claims description 7
230000035699 permeability Effects 0.000 claims description 6
230000000903 blocking effect Effects 0.000 claims 1
238000009826 distribution Methods 0.000 abstract description 14
239000000853 adhesive Substances 0.000 description 27
230000001070 adhesive effect Effects 0.000 description 27
238000000034 method Methods 0.000 description 12
238000010008 shearing Methods 0.000 description 12
230000008569 process Effects 0.000 description 10
239000000463 material Substances 0.000 description 9
230000009977 dual effect Effects 0.000 description 7
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101800003946 DCD-1 Proteins 0.000 description 1
102100026992 Dermcidin Human genes 0.000 description 1
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239000012141 concentrate Substances 0.000 description 1
230000009849 deactivation Effects 0.000 description 1
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238000010030 laminating Methods 0.000 description 1
230000007774 longterm Effects 0.000 description 1
229910001004 magnetic alloy Inorganic materials 0.000 description 1
238000004806 packaging method and process Methods 0.000 description 1
-1 polyethylene terephthalate Polymers 0.000 description 1
229920000139 polyethylene terephthalate Polymers 0.000 description 1
239000005020 polyethylene terephthalate Substances 0.000 description 1
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Landscapes

Burglar Alarm Systems (AREA)
Optical Record Carriers And Manufacture Thereof (AREA)

CA002272145A 1996-01-19 1997-01-14 Marqueurs de surveillance electroniques d'articles s'appliquant directement a des support d'enregistrement optiques Expired - Fee Related CA2272145C (fr)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US08/587,721		1996-01-19
US08/587,721 US5699047A (en)	1996-01-19	1996-01-19	Electronic article surveillance markers for direct application to optically recorded media
CA002241743A CA2241743C (fr)	1996-01-19	1997-01-14	Marqueurs de surveillance electroniques d'articles s'appliquant directement a des supports d'enregistrement optiques

Related Parent Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002241743A Division CA2241743C (fr)	1996-01-19	1997-01-14	Marqueurs de surveillance electroniques d'articles s'appliquant directement a des supports d'enregistrement optiques

Publications (2)

Publication Number	Publication Date
CA2272145A1 CA2272145A1 (fr)	1997-07-24
CA2272145C true CA2272145C (fr)	2006-01-10

Family

ID=29712990

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002272145A Expired - Fee Related CA2272145C (fr)	1996-01-19	1997-01-14	Marqueurs de surveillance electroniques d'articles s'appliquant directement a des support d'enregistrement optiques

Country Status (1)

Country	Link
CA (1)	CA2272145C (fr)

1997
- 1997-01-14 CA CA002272145A patent/CA2272145C/fr not_active Expired - Fee Related

Also Published As

Publication number	Publication date
CA2272145A1 (fr)	1997-07-24

Legal Events

Date	Code	Title	Description
2002-01-14	EEER	Examination request
2017-02-28	MKLA	Lapsed	Effective date: 20170116

Publication	Publication Date	Title
US5825292A (en)	1998-10-20	Electronic article surveillance markers for direct application to optically recorded media
US4075618A (en)	1978-02-21	Magnetic asymmetric antipilferage marker
WO1998010386A2 (fr)	1998-03-12	Dispositif en forme de disque avec materiau de systeme electronique de surveillance d'articles
KR100460584B1 (ko)	2005-02-03	전자식물품감시용마커조립체
US5580664A (en)	1996-12-03	Dual status thin-film eas marker having multiple magnetic layers
US5940362A (en)	1999-08-17	Disc device having a magnetic layer overweighing the information signal pattern for electronic article surveillance
CA2272145C (fr)	2006-01-10	Marqueurs de surveillance electroniques d'articles s'appliquant directement a des support d'enregistrement optiques
US5121106A (en)	1992-06-09	Electronic article surveillance markers with diagonal deactivation elements
AU709228C (en)	2001-09-13	Electronic article surveillance markers for direct application to optically recorded media
US6525661B2 (en)	2003-02-25	Electronic article surveillance markers for optically recorded media
CA2109643C (fr)	2002-03-26	Marqueur en couches minces a deux etats pour systeme de surveillance electronique d'articles
JP2004233458A (ja)	2004-08-19	物品監視用ラベル
EP2081191A1 (fr)	2009-07-22	Dispositif symétrique pourvu d' alarme pour disques CD et articles similaires
JP2002362669A (ja)	2002-12-18	タグ付きディスク収納体
JPH09190917A (ja)	1997-07-22	マーカ連続体