Read write device for optical memory and method therefore

A device comprising:

• an optical storage medium drive;
• an optical storage medium comprising a plurality of data tracks;
• at least one access unit for reading out data from and writing data to said optical storage medium;
• at least one light source arranged to produce at least one first light beam and at least one second light beam;
• optics arranged to transmit and guide said first light beam and said second light beam towards said data tracks of the optical storage medium;
• and
• a detector arranged to detect light beams that are reflected from the surface of the optical storage medium, wherein
• said access unit is arranged to pivot on one end at a pivot point in order to move three-dimensionally in relation to the pivot point,
• said optics and said detector are arranged to move in accordance with the movement of said access unit,
• said optics are arranged to guide said first light beam and said second light beam transversal directly to data tracks of the optical storage medium in accordance with the movement of said access unit, and
• said detector is arranged to receive the reflected beams of said first light beam or said second light beam from said data tracks of the optical storage medium in order to control the movement of said access unit.

A method, comprising:

• producing at least one first light beam and at least one second light beam by a single light source;
• transmitting and guiding said first light beam and said second light beam towards data tracks of an optical storage medium;
• and
• detecting the light beams that are reflected from a surface of the optical storage medium wherein the detecting comprises:
• moving an access unit three-dimensionally in relation to a pivot point on one end to focus and track said first and second light beams;
• guiding said first light beam transversal directly to said data tracks of the optical storage medium three-dimensionally in accordance with the movement of said access unit;
• and
• receiving the reflected beams of said first light beam or said second light beam from said data tracks of the optical storage medium three-dimensionally in accordance with the movement of said access unit.

A method, comprising:

• producing at least one first light beam and at least one second light beam by at least one light source;
• transmitting and guiding said first light beam and said second light beam towards data tracks of an optical storage medium;
• and
• detecting the light beams that are reflected from a surface of the optical storage medium wherein the detecting comprises:
• moving an access unit three-dimensionally in relation to a pivot point on one end to focus and track said first and second light beams;
• guiding said first light beam transversal directly to said data tracks of the optical storage medium three-dimensionally in accordance with the movement of said access unit;
• and
• receiving the reflected beams of said first light beam or said second light beam from said data tracks of the optical storage medium three-dimensionally in accordance with the movement of said access unit;
• a first laser source produces said first light beam and a second laser source produces said second light beam;
• and said first laser source and said second laser source are synchronized,
• a first laser source and a second laser source are initialized separately,
• said first laser source turns on,
• said first laser source emits said first light beam and a first point is located for read/write operation,
• a location of said first point is analyzed,
• a focusing and tracking of said first point is analyzed,
• said second laser source turns on,
• said second laser source emits said second light beam and a second point is located for read/write operation, and
• said second laser source turns off after said read/write operation.

An apparatus comprising:

• means for driving an optical storage medium comprising a plurality of data tracks;
• at least one means for accessing data configured to read out data from and write data to said optical storage medium;
• integral means for supplying light configured to produce at least one first light beam and at least one second light beam;
• means for optically processing light configured to transmit and guide said first light beam and said second light beam towards said data tracks of the optical storage medium;
• and
• means for detecting configured to detect light beams that are reflected from the surface of the optical storage medium, wherein
• said means for accessing data is configured to pivot on one end at a pivot point in order to move three-dimensionally in relation to the pivot point,
• said means for optically processing light and said means for detecting are configured to move in accordance with the movement of said means for accessing data,
• said means for optically processing light is configured to guide said first light beam transversal to data tracks of the optical storage medium in accordance with the movement of said means for accessing data, and
• said means for detecting is configured to receive the reflected beams of said first light beam or said second light beam from said data tracks of the optical storage medium in order to control the movement of said means for accessing data.

A method, comprising:

• producing at least one first light beam and at least one second light beam by at least one light source;
• transmitting and guiding said first light beam and said second light beam towards data tracks of an optical storage medium;
• and
• detecting light beams that are reflected from a surface of the optical storage medium wherein the detecting comprises:
• moving an access unit three-dimensionally in relation to a pivot point on one end to focus and track said first and second light beams;
• guiding said first and second light beams transversal directly to said data tracks of the optical storage medium three-dimensionally in accordance with the movement of said access unit;
• and
• receiving the reflected beams of said first light beam or said second light beam from said data tracks of the optical storage medium three-dimensionally in accordance with the movement of said access unit.