FR2883405A1 - Optical disk e.g. digital versatile disk, fabricating method for electronic article monitoring system, involves inserting antenna between two disk layers along disk axis, and forming substrates with pouch around inner hole to accept antenna - Google Patents
Optical disk e.g. digital versatile disk, fabricating method for electronic article monitoring system, involves inserting antenna between two disk layers along disk axis, and forming substrates with pouch around inner hole to accept antenna Download PDFInfo
- Publication number
- FR2883405A1 FR2883405A1 FR0502551A FR0502551A FR2883405A1 FR 2883405 A1 FR2883405 A1 FR 2883405A1 FR 0502551 A FR0502551 A FR 0502551A FR 0502551 A FR0502551 A FR 0502551A FR 2883405 A1 FR2883405 A1 FR 2883405A1
- Authority
- FR
- France
- Prior art keywords
- disk
- antenna
- optical disk
- digital versatile
- inner hole
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 15
- 239000000758 substrate Substances 0.000 title claims abstract description 6
- 238000000034 method Methods 0.000 title abstract description 7
- 238000012544 monitoring process Methods 0.000 title description 2
- 238000004519 manufacturing process Methods 0.000 claims abstract description 11
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011143 downstream manufacturing Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/0014—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture record carriers not specifically of filamentary or web form
- G11B23/0021—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture record carriers not specifically of filamentary or web form discs
- G11B23/0028—Details
- G11B23/0035—Details means incorporated in the disc, e.g. hub, to enable its guiding, loading or driving
- G11B23/0042—Details means incorporated in the disc, e.g. hub, to enable its guiding, loading or driving with provision for auxiliary features
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Abstract
Description
SYSTÈME DE SÉCURITÉ POUR DVDDVD SECURITY SYSTEM
La présente invention se rapporte au domaine de la sécurisation des disques optiques. The present invention relates to the field of securing optical discs.
La présente invention se rapporte plus particulièrement à un disque DVD (Digital Versatile Disc) comportant un système électronique de sécurisation. The present invention relates more particularly to a DVD (Digital Versatile Disc) disc comprising an electronic security system.
Le vol de DVD est devenu un problème majeur pour les vendeurs et les loueurs de DVD. Certains magasins utilisent déjà des méthodes de sécurisation. Par exemple, des magasins enlèvent le disque de son boîtier et le stockent de façon temporaire. D'autres magasins encapsulent le disque dans un boîtier sécurisé. DVD theft has become a major problem for DVD sellers and rental companies. Some stores are already using security methods. For example, stores remove the disk from its case and store it temporarily. Other stores encapsulate the drive in a secure enclosure.
L'art antérieur connaît déjà, par le brevet européen EP 0 567 080 (Minnesota Mining and Manufacturing Company), un disque de stockage d'information optique pour utilisation dans les systèmes électroniques de surveillance d'article. The prior art already knows, from the European patent EP 0 567 080 (Minnesota Mining and Manufacturing Company), an optical information storage disk for use in electronic article surveillance systems.
L'art antérieur connaît également, par le brevet américain US 5 754 649 (Macrovision), un système de sécurisation et de suivi d'un média vidéo. The prior art also knows, from US Pat. No. 5,754,649 (Macrovision), a system for securing and monitoring a video medium.
L'art antérieur connaît également, par la demande de brevet PCT WO 04/97731 (Avery Dennison), un. système RFID à portée étendue. L'invention de cette demande PCT concerne un système d'identification par radio fréquence (RFID) pour des disques, tels que des CD, des DVD ou des minidisques, comprenant une configuration spéciale de transpondeur et d'antenne RFID. Les disques comprennent, en général, une zone annulaire externe métallisée dans laquelle des informations sont stockées, un trou central et une zone annulaire interne située entre le trou et la zone annulaire externe. Le transpondeur peut être situé dans la zone annulaire interne, des éléments d'antenne couplés au transpondeur s'étendant dans des directions opposées partiellement à travers la zone annulaire externe. Des étiquettes multicouches comprenant un évidement destiné à la puce du transpondeur et des éléments d'antenne formés par un matériau conducteur peuvent être utilisées pour appliquer l'ensemble RFID sur les disques. Un mode unipolaire ou dipolaire du fonctionnement de l'antenne, impliquant principalement la couche du disque métallisée, résulte de la configuration de l'antenne et permet de plus que doubler la portée du système. The prior art is also known from PCT patent application WO 04/97731 (Avery Dennison). extended range RFID system. The invention of this PCT application relates to a radio frequency identification (RFID) system for disks, such as CDs, DVDs or minidisks, including a special transponder and RFID antenna configuration. The disks generally comprise an outer annular metallized area in which information is stored, a central hole and an inner annular area located between the hole and the outer annular area. The transponder may be located in the inner annular zone, with antenna elements coupled to the transponder extending in opposite directions partially through the outer annular zone. Multilayer labels including a recess for the transponder chip and antenna elements formed by a conductive material can be used to apply the RFID array to the disks. A unipolar or dipole mode of antenna operation, mainly involving the metallized disk layer, results from the configuration of the antenna and more than doubles the range of the system.
L'art antérieur connaît également par la demande de brevet américain US 2002/0175818 (King et al.), un dispositif de communication sans fil et un procédé pour des disques. The prior art also knows from US patent application US 2002/0175818 (King et al.), A wireless communication device and a method for disks.
La présente invention entend remédier aux inconvénients de l'art antérieur en proposant un procédé de fabrication d'un DVD qui permette d'intégrer de façon optimale une antenne RFID (Radio Frequency Identification) à un disque DVD. The present invention intends to overcome the disadvantages of the prior art by proposing a method of manufacturing a DVD that optimally integrate an RFID (Radio Frequency Identification) antenna to a DVD disc.
À cet effet, la présente invention concerne, dans son acception la plus générale, un procédé de fabrication d'un disque optique consistant à insérer entre deux couches dudit disque une antenne RFID (Radio Frequency Identification) circulaire. To this end, the present invention relates, in its most general sense, a method of manufacturing an optical disk consisting of inserting between two layers of said disk a circular RFID (Radio Frequency Identification) antenna.
De préférence, le disque optique est un DVD (Digital Versatile Disc). Preferably, the optical disk is a DVD (Digital Versatile Disc).
Avantageusement, l'insertion de l'antenne RFID a lieu avant l'étape de collage des deux moitiés du DVD. Advantageously, the insertion of the RFID antenna takes place before the step of bonding the two halves of the DVD.
Selon un mode de réalisation avantageux, on forme des substrats avec une poche circulaire autour d'un trou interne d'une profondeur totale convenable de 200 à 500 m pour accepter ladite antenne RFID. According to an advantageous embodiment, substrates with a circular pocket are formed around an internal hole of a suitable total depth of 200 to 500 m to accept said RFID antenna.
La présente invention se rapporte également à un disque optique fabriqué selon le procédé de fabrication. The present invention also relates to an optical disk manufactured according to the manufacturing method.
On comprendra mieux l'invention à l'aide de la description, faite ciaprès à titre purement explicatif, d'un mode de réalisation de l'invention, en référence aux figures annexées: la figure 1 illustre une vue en coupe d'un disque optique fabriqué selon le procédé de la présente invention. 15 Pour le moulage d'un disque DVD, des moules aptes à produire un substrat de 0,6 mm d'épaisseur sont utilisés. Chaque moule est fabriqué de manière à produire une moitié joignante, qui, lorsque collée à l'autre moitié dans d'autres étapes de processus, produit un DVD fini. The invention will be better understood by means of the description, made purely for explanatory purposes, of an embodiment of the invention, with reference to the appended figures: FIG. 1 illustrates a sectional view of a disk optical manufactured according to the method of the present invention. For the molding of a DVD disc, molds capable of producing a 0.6 mm thick substrate are used. Each mold is manufactured to produce a joining half, which, when glued to the other half in other process steps, produces a finished DVD.
En modifiant les deux moules, il est possible de produire les substrats avec une poche circulaire autour d'un trou interne d'une profondeur totale convenable de 200 à 500 m pour accepter une antenne d'étiquette RFID. La ligne de processus en aval peut ensuite être modifiée pour insérer l'antenne avant le collage des deux moitiés ensemble et le traitement par UV. By modifying the two molds, it is possible to produce the substrates with a circular pocket around an internal hole of a suitable total depth of 200 to 500 m to accept an RFID tag antenna. The downstream process line can then be modified to insert the antenna before gluing the two halves together and UV treatment.
L'antenne est insérée selon l'axe Z du disque, donc n'affectera pas l'équilibre ou les propriétés électriques du disque. The antenna is inserted along the Z axis of the disc, so it will not affect the balance or electrical properties of the disc.
De plus, l'antenne du disque fonctionnera avec les équipements de détection existants. In addition, the disc antenna will work with existing detection equipment.
En outre, le coût additionnel de production sera considérablement inférieur au coût pour le distributeur qui utiliserait des procédés de sécurisation normaux. In addition, the additional cost of production will be considerably lower than the cost to the distributor who would use normal security methods.
L'invention est décrite dans ce qui précède à titre d'exemple. Il est entendu que l'homme du métier est à même de réaliser différentes variantes de l'invention sans pour autant sortir du cadre du brevet.. The invention is described in the foregoing by way of example. It is understood that the skilled person is able to realize different variants of the invention without departing from the scope of the patent.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0502551A FR2883405A1 (en) | 2005-03-15 | 2005-03-15 | Optical disk e.g. digital versatile disk, fabricating method for electronic article monitoring system, involves inserting antenna between two disk layers along disk axis, and forming substrates with pouch around inner hole to accept antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0502551A FR2883405A1 (en) | 2005-03-15 | 2005-03-15 | Optical disk e.g. digital versatile disk, fabricating method for electronic article monitoring system, involves inserting antenna between two disk layers along disk axis, and forming substrates with pouch around inner hole to accept antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2883405A1 true FR2883405A1 (en) | 2006-09-22 |
Family
ID=35197934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR0502551A Pending FR2883405A1 (en) | 2005-03-15 | 2005-03-15 | Optical disk e.g. digital versatile disk, fabricating method for electronic article monitoring system, involves inserting antenna between two disk layers along disk axis, and forming substrates with pouch around inner hole to accept antenna |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2883405A1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0567080A1 (en) * | 1992-04-22 | 1993-10-27 | Minnesota Mining And Manufacturing Company | Optical information storage disk for use with electronic article surveillance systems |
| EP0996124A1 (en) * | 1998-10-22 | 2000-04-26 | Hitachi, Ltd. | Optical disk and recording/reproduction apparatus using the same |
| US20040228262A1 (en) * | 2003-03-17 | 2004-11-18 | Deluxe Media Services, Inc. | Secure optical information disc |
| WO2004107261A1 (en) * | 2003-05-29 | 2004-12-09 | Finanziaria Sammarinese, S.A. | Optical read disk and production method for the same |
-
2005
- 2005-03-15 FR FR0502551A patent/FR2883405A1/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0567080A1 (en) * | 1992-04-22 | 1993-10-27 | Minnesota Mining And Manufacturing Company | Optical information storage disk for use with electronic article surveillance systems |
| EP0996124A1 (en) * | 1998-10-22 | 2000-04-26 | Hitachi, Ltd. | Optical disk and recording/reproduction apparatus using the same |
| US20040228262A1 (en) * | 2003-03-17 | 2004-11-18 | Deluxe Media Services, Inc. | Secure optical information disc |
| WO2004107261A1 (en) * | 2003-05-29 | 2004-12-09 | Finanziaria Sammarinese, S.A. | Optical read disk and production method for the same |
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