Claims
- 1. A method for labeling an optically writable label side of an optical disc comprising at least one of:
multiply passing over a track of the optically writable label side of the optical disc with an optical marking mechanism, such that the optical marking mechanism writes to the track during each pass; and, advancing the optical marking mechanism from the track to a next track of the optically writable label side of the optical disc, such that a starting position on the track is radially non-collinear with a starting position on the next track.
- 2. The method of claim 1, wherein multiply passing over the track of the optically writable label side of the optical disc with the optical marking mechanism comprises varying marking intensity of the optical marking mechanism for each pass, such that the optical marking mechanism writes to the track with at least one of a different mark size and a different mark density during each pass.
- 3. The method of claim 1, wherein multiply passing over the track of the optically writable label side of the optical disc with the optical marking mechanism comprises:
during a first pass over the track, writing to one or more first pixels of the track with a first marking intensity of the optical marking mechanism; and, during a second pass over the track writing to one or more second pixels of the track with a second marking intensity of the optical marking mechanism, the one or more second pixels mutually exclusive with the one or more first pixels.
- 4. The method of claim 1, wherein multiply passing over the track of the optically writable label side of the optical disc with the optical marking mechanism comprises maintaining constant marking intensity of the optical marking mechanism for each pass, such that the optical marking mechanism achieves at least one of different mark sizes and different mark densities when writing to different pixels on the track by writing to each of the different pixels a different number of times over multiple passes.
- 5. The method of claim 1, wherein multiply passing over the track of the optically writable label side of the optical disc with the optical marking mechanism comprises:
during a first pass over the track, writing to one or more pixels of the track with a constant marking intensity of the optical marking mechanism; and, during a second pass over the track, writing again to at least one of the one or more pixels of the track with the constant marking intensity of the optical marking mechanism.
- 6. The method of claim 1, wherein multiply passing over the track of the optically writable label side of the optical disc with the optical marking mechanism comprises repeatedly passing over the track of the optically writable label side of the optical disc with the optical marking mechanism until a track-advance signal is received.
- 7. The method of claim 6, further comprising, upon receiving the track-advance signal, advancing the optical marking mechanism from the track to the next track of the optically writable label side of the optical disc.
- 8. The method of claim 7, further comprising, determining a number of tracks specified by the track-advance signal, such that advancing the optical marking mechanism from the track to the next track of the optically writable label side of the optical disc comprises advancing the optical marking mechanism from the track by the number of tracks specified by the track advance signal to the next track.
- 9. The method of claim 1, further comprising advancing the optical marking mechanism from the next track to a third track of the optically writable label side of the optical disc, such that the starting position on the next track is radially non-collinear with a starting position on the third track.
- 10. The method of claim 1, further comprising determining an angular distance between the starting position on the track and the starting position on the next track at least to reduce discernment of end-of-track unmarked pixel effects on the track and the next track resulting from lengths of the track and the next track varying from integral multiples of a mark length with which the optical marking mechanism writes to the track and the next track.
- 11. The method of claim 1, further comprising determining an angular distance between the starting position on the track and the starting position on the next track at least to reduce discernment of starting position pixel marking effects of the optical marking mechanism at the starting positions on the track and the next track.
- 12. The method of claim 1, further comprising determining an angular distance between the starting position on the track and the starting position on the next track based on at least a length of time needed to reposition and stabilize the optical marking mechanism when advancing from the track to the next track.
- 13. The method of claim 1, further comprising determining an angular distance between the starting position on the track and the starting position on the next track at least partially randomly.
- 14. An optical disc having optically writable markings on an optically writable label side thereof formed according to a method comprising, for each track of a plurality of tracks of the label side to be optically written to,
traveling over the track by an optical marking mechanism during a first pass; while traveling over the track during the first pass, writing to one or more first pixels of the track by the optical marking mechanism with a first marking intensity; traveling over the track by the optical marking mechanism during a second pass; and, while traveling over the track during the second pass, writing to one or more second pixels of the track by the optical marking mechanism with a second marking intensity.
- 15. The optical disc of claim 14, the method further comprising, for each track of the plurality of tracks on the label side to be optically written to,
traveling over the track by the optical marking mechanism during a third pass; and, while traveling over the track during the third pass, writing to one or more third pixels of the track by the optical marking mechanism with a third marking intensity.
- 16. The optical disc of claim 14, the method further comprising repeatedly traveling over the track by the optical marking mechanism during one or more additional passes until a track-advance signal is received.
- 17. The optical disc of claim 16, the method further comprising, upon receiving the track-advance signal, advancing the optical marking mechanism to a next track of the label side of the optical disc immediately physically adjacent to the track.
- 18. The optical disc of claim 16, the method further comprising, upon receiving the track-advance signal:
determining a number of tracks specified by the track-advance signal; advancing the optical marking mechanism from the track to a next track of the plurality of tracks of the label side to be optically written to by advancing from the track by the number of tracks specified by the track advance signal.
- 19. The optical disc of claim 14, wherein the first marking intensity is different than the second marking intensity, and the one or more first pixels are mutually exclusive with the one or more second pixels.
- 20. The optical disc of claim 14, wherein the first marking intensity is identical to the second marking intensity, and the one or more second pixels are a subset of the one or more first pixels.
- 21. An optical disc having optically writable markings on an optically writable label side thereof formed according to a method comprising, for each track of a plurality of tracks of the label side,
advancing an optical marking mechanism to a starting position on the track that is radially non-collinear with starting positions on other of the plurality of tracks of the label side; and, writing to pixels of the track by the optical marking mechanism during each of one or more passes over the track by the optical marking mechanism.
- 22. The optical disc of claim 21, the method further comprising determining an angular distance between the starting positions on rolling adjacent pairs of the plurality of tracks at least to reduce discernment of end-of-track unmarked pixel effects on the plurality of tracks resulting from lengths of the plurality of tracks varying from integral multiples of a mark length with which the optical marking mechanism writes to the plurality of tracks.
- 23. The optical disc of claim 21, the method further comprising determining an angular distance between the starting positions on rolling adjacent pairs of the plurality of tracks at least to reduce discernment of starting position pixel marking effects of the optical marking mechanism at the starting positions on the plurality of tracks.
- 24. The optical disc of claim 21, the method further comprising determining an angular distance between the starting positions on rolling adjacent pairs of the plurality of tracks based on at least a length of time needed to reposition and stabilize the optical marking mechanism when advancing from one of the plurality of tracks to another of the plurality of tracks.
- 25. The optical disc of claim 21, the method further comprising determining an angular distance between the starting positions on rolling adjacent pairs of the plurality of tracks at least partially randomly.
- 26. The optical disc of claim 21, the method further comprising, for each track of the plurality of tracks of the label side, receiving a track-advance signal.
- 27. The optical disc of claim 21, wherein advancing the optical marking mechanism to the starting position on the track comprises advancing the optical marking mechanism to the starting position on the track upon receiving a track-advance signal.
- 28. A mass storage device comprising:
an optical marking mechanism to at least optically write markings on a plurality of tracks of an optically writable label side of an optical disc; a first motor mechanism to rotate the optical disc; a second motor mechanism to move the optical marking mechanism radially relative to the optical disc; and, a controller to advance the optical marking mechanism to a starting position on a track of the plurality of tracks radially non-collinear with starting positions on other tracks of the plurality of tracks and to cause the optical marking mechanism to multiply pass over the track, by controlling the first and second motor mechanisms, until the controller receives a track-advance signal.
- 29. The mass storage device of claim 28, wherein the optical marking mechanism comprises an optical beam generator.
- 30. The mass storage device of claim 28, wherein the controller is to maintain a constant marking intensity of the optical marking mechanism during each pass over the track.
- 31. The mass storage device of claim 28, wherein the controller is to vary a marking intensity of the optical marking mechanism during each pass over the track.
- 32. The mass storage device of claim 28, wherein the controller is to advance the optical marking mechanism from the track to a next track of the plurality of tracks of the optically writable label side by controlling the first and second motor mechanisms upon receiving the track-advance signal.
- 33. The mass storage device of claim 28, wherein the controller is to advance the optical marking mechanism by a number of tracks from the track corresponding to the track-advance signal received by controlling the first and second motor mechanisms.
- 34. The mass storage device of claim 28, wherein the controller determines the radially non-collinear starting positions on the plurality of tracks at least to reduce discernment of end-of-track unmarked pixel effects on the plurality of tracks and discernment of starting position pixel marking effects of the optical marking mechanism at the starting positions on the plurality of tracks.
- 35. The mass storage device of claim 28, wherein the controller determines the radially non-collinear starting positions on the plurality of tracks based on at least a length of time needed to reposition and stabilize the optical marking mechanism when advancing between two of the plurality of tracks.
- 36. A mass storage device comprising:
first means for optically writing markings on a plurality of tracks of an optically writable label side of an optical disc; second means for rotating the optical disc; third means for moving the first means radially relative to the optical disc; and, fourth means for advancing the first means to radially non-collinear starting positions on the plurality of tracks and for causing the first means to multiply pass over the plurality of tracks, by controlling the second and third means.
- 37. The mass storage device of claim 36, wherein the fourth means causes the first means to repeatedly pass over a track of the plurality of tracks until a track-advance signal has been received.
- 38. The mass storage device of claim 36, wherein the fourth means is further for maintaining one of a constant and a varied marking intensity of the first means during each pass over a track of the plurality of tracks.
- 39. The mass storage device of claim 36, wherein the fourth means is further for determining the radially non-collinear starting positions on the plurality of tracks.
- 40. A method for manufacturing a mass storage device comprising:
providing an optical marking mechanism that is able to at least optically write markings on a plurality of tracks of an optically writable label side of an optical disc; providing a plurality of motor mechanisms that is able to rotate the optical disc and to move the optical marking mechanism radially relative to the optical disc; and, providing a controller that is able to advance the optical marking mechanism to radially non-collinear starting positions on the plurality of tracks and that is able to cause the optical marking mechanism to multiply pass over the track, by controlling the plurality of motors mechanisms.
- 41. An optical disc comprising:
an optically writable label side; a plurality of tracks on the optically writable label side having a plurality of radially non-collinear starting positions; a plurality of pixels on each track of the plurality of tracks; and, a plurality of multiple pass-written markings on the plurality of pixels on each track of the plurality of tracks.
- 42. The optical disc of claim 41, further comprising an optically writable data side opposite to the optically writable label side.
- 43. The optical disc of claim 41, wherein the plurality of multiple-pass written markings comprise a plurality of multiple-pass and varied-marking intensity written markings.
- 44. The optical disc of claim 41, wherein the plurality of multiple-pass written markings comprise a plurality of multiple-pass and constant-marking intensity written markings.
RELATED APPLICATIONS
[0001] This patent application is a continuation-in-part of the previously filed patent application entitled “Optical Disc Non-Cartesian Coordinate System,” filed on Dec. 12, 2002, and assigned Ser. No. 10/317,894 (attorney docket number 200207926-1).
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
10317894 |
Dec 2002 |
US |
Child |
10423366 |
Apr 2003 |
US |