Master device

G - Physics – 11 – B

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

G11B 7/007 (2006.01) G11B 7/26 (2006.01)

Patent

CA 2690315

The invention relates to a master device which can be used in a method for producing a recording medium, a substantially spirally or concentrically running main track structure and at least one substantially spirally or concentrically running secondary track structure being formed on the master device, the secondary track structure being arranged on at least one side of the main track structure, the secondary track structure having discontinuities varying an optically detectable surface texture of the recording medium in such a way that at least first auxiliary information is represented on the recording medium.

L'invention concerne un système maître pouvant être utilisé dans un procédé de production d'un support d'enregistrement. Ce système maître présente une structure de piste principale s'étendant sensiblement en forme de spirale ou concentriquement et au moins une structure de piste secondaire s'étendant sensiblement en forme de spirale ou concentriquement, cette structure de piste secondaire étant disposée au moins sur un côté de la structure de piste principale. Selon l'invention, la structure de piste secondaire présente des interruptions qui font varier une propriété de surface du support d'enregistrement pouvant être détectée optiquement, de telle sorte qu'au moins une première information auxiliaire soit reproduite sur le support d'enregistrement.

LandOfFree

Say what you really think

Search LandOfFree.com for Canadian inventors and patents. Rate them and share your experience with other people.

Rating

Master device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Master device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Master device will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-1741147

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.