Thin Optical Disc Having Remote Reading Capability

• US 20090016204A1
• Filed: 12/20/2007
• Published: 01/15/2009
• Est. Priority Date: 10/07/2005
• Status: Active Grant

• Current Assignee: EnXnet, Inc.
• Original Assignee: EnXnet, Inc.
• Inventors: Howard, Linda Gale, Corley, Ryan, Pempsell, Mark
• Granted Patent: US 7,716,695 B2
• Time in Patent Office: Days
• US Class Current: 369/273
• CPC Class Codes: G06F 2221/2121 Chip on media, e.g. a disk or tape with a chip embedded in its case
• CPC Class Codes: G11B 23/0014 record carriers not specifically of filamentary or web form G11B23/0057 takes precedence
• CPC Class Codes: G11B 23/0035 means incorporated in the disc, e.g. hub, to enable its guiding, loading or driving means for driving the head G11B21/06; guiding the disc for centering or locking G11B17/022; turntables or spindles for driving G11B19/2009
• CPC Class Codes: G11B 23/0042 with provision for auxiliary features sensing such features G11B17/00, G11B19/02
• CPC Class Codes: G11B 33/0488 in boxes or containers comprising additional sound reproducing or activating means
• CPC Class Codes: G11B 7/24003 Shapes of record carriers other than disc shape
• CPC Class Codes: G11B 7/24038 Multiple laminated recording layers

Abstract

In accordance with the teachings of the present invention, a thin optical disc having remote reading capability is provided. In accordance with a particular embodiment of the present invention, the optical disc includes a central clamping area that defines a central aperture operable to be engaged by a spindle mechanism of an optical disc drive, an optically-readable data storage area substantially surrounding the central clamping area, the optically-readable data storage area having a planar thickness of less than 1.20 mm, and an electronic tag coupled to or embedded within the optical disc, the electronic tag comprising a radio frequency tag or radio frequency identification tag.

Claims

1. An optical disc, comprising:

a central clamping area that defines a central aperture operable to be engaged by a spindle mechanism of an optical disc drive;

an optically-readable data storage area substantially surrounding the central clamping area; and

an electronic tag coupled to or embedded within the optical disc.

2. The optical disc of claim 1, wherein the electronic tag is operable for use in a contactless payment system.

3. The optical disc of claim 1, wherein the planar thickness of the optically-readable data storage area is less than or equal to about 1.48 mm.

4. The optical disc of claim 1, wherein the planar thickness of the optically-readable data storage area is less than or equal to about 1.2 mm.

5. The optical disc of claim 1, wherein the planar thickness of the optically-readable data storage area is from about 1.0 mm to about 1.2 mm.

6. The optical disc of claim 1, wherein the planar thickness of the optically-readable data storage area is from about 0.52 mm to about 0.68 mm.

7. The optical disc of claim 1, further comprising one or more stacker elements coupled to, or integral with, the central clamping area, the stacker elements configured to increase the thickness of the central clamping area above the planar thickness of the optically-readable data storage area.

8. The optical disc of claim 1, wherein the one or more stacker elements are configured to increase a distance between the optically-readable data storage area and a reading laser of an optical disc drive.

9. The optical disc of claim 1, wherein the one or more stacker elements comprise a stacker plate that substantially surrounds the central aperture and substantially covers one surface of the clamping area.

10. The optical disc of claim 1, wherein the one or more stacker elements comprise one or more stacker bars that radiate outwardly from the central aperture.

11. The optical disc of claim 1, wherein the one or more stacker elements comprise a stacker ring concentric with the central aperture.

12. The optical disc of claim 1, further comprising a magnetic stripe disposed upon a surface of the optical disc.

13. The optical disc of claim 1, further comprising a code embedded in the optically-readable data storage area operable to affect a reading speed of the optical disc drive.

14. The optical disc of claim 1, further comprising a label coupled with a non-optically readable side of the optical disc, the label configured to increase the mass of the optical disc.

15. The optical disc of claim 1, further comprising a label coupled with a non-optically readable side of the optical disc, the label configured to increase the planar thickness of optical disc.

16. The optical disc of claim 1, further comprising a resilient metallic layer coupled with a non-optically readable side of the optical disc, the resilient metallic layer configured to increase the rigidity of the optical disc.

17. The optical disc of claim 1, wherein at least the optically-readable data storage area is treated by a hard-coating process.

18. The optical disc of claim 1, wherein at least the optically-readable data storage area is treated with a scratch-resistant, antistatic coating.

19. The optical disc of claim 1, wherein the optically-readable data storage area comprises a first portion having a first data format and a second portion having a second data format, the first data format differing from the second data format.

20. The optical disc of claim 1, further comprising transaction data.

21. The optical disc of claim 20, the transaction data comprising financial information enabling a financial transaction.

22. The optical disc of claim 20, wherein the financial transaction is a purchasing transaction.

23. The optical disc of claim 20, wherein the transaction data enables a validation transaction.

24. The optical disc of claim 23, wherein the validation transaction is a ticket validation transaction.

25. The optical disc of claim 20, further comprising non-transactional data.

26. The optical disc of claim 25, wherein the non-transactional data comprises media information.

27. The optical disc of claim 26, wherein the media information comprises entertainment media information.

28. The optical disc of claim 25, wherein the non-transactional data comprises promotional information.

29. The optical disc of claim 1, further comprising non-transactional data.

30. The optical disc of claim 1, further comprising data enabling interactivity between a user and an electronic device.

31. The optical disc of claim 1, further comprising first data for enabling a first activity by a user, and second data for enabling a second activity by the user, the second data activated by conduct of the first activity.

32. The optical disc of claim 1, further comprising transaction data for enabling a transaction, and non-transaction data for enabling access to information, wherein the non-transaction data is activated by conduct of the transaction.

33. An optical disc, comprising:

a central clamping area that defines a central aperture operable to be engaged by a spindle mechanism of an optical disc drive;

an optically-readable data storage area substantially surrounding the central clamping area;

one or more stacker elements coupled to, or integral with, the central clamping area, the stacker elements configured to increase the thickness of the central clamping area above the planar thickness of the optically-readable data storage area; and

an electronic tag coupled to or embedded within the optical disc, the electronic tag comprising a radio frequency tag or radio frequency identification tag.

34. An optical disc, comprising:

a central clamping area that defines a central aperture operable to be engaged by a spindle mechanism of an optical disc drive;

an optically-readable data storage area substantially surrounding the central clamping area;

one or more stacker elements coupled to, or integral with, the central clamping area, the stacker elements configured to increase the thickness of the central clamping area above the planar thickness of the optically-readable data storage area;

a magnetic stripe disposed upon a surface of the optical disc; and

an electronic tag coupled to or embedded within the optical disc, the electronic tag comprising a radio frequency tag or radio frequency identification tag.

35. An optical disc, comprising:

a central clamping area that defines a central aperture operable to be engaged by a spindle mechanism of an optical disc drive;

an optically-readable data storage area substantially surrounding the central clamping area; and

an electronic tag coupled to or embedded within the optical disc, the electronic tag comprising a radio frequency tag or radio frequency identification tag.