Apparatus and method for manufacturing optical disks, apparatus and method for recording data on optical disks, apparatus and method for reproducing data from optical disks, and optical disk formed with pit strings and mark strings with binary number series features

An optical disc recording method comprising:

• generating a main signal from main data;
• generating a binary number series;
• generating a sub signal from both sub data and said binary number series;
• and
• producing a laser beam and forming pit strings or mark strings according to said main signal on an optical disc, including positionally deviating an irradiation area so as to form the pit strings or mark strings in a radial direction from a track center of a track on the optical disc according to said sub signal.

An optical disc manufacturing apparatus configured to manufacture an optical disc, comprising:

• an optical substrate manufacturing unit configured to manufacture an optical disc substrate;
• a main signal generating unit configured to generate a main signal from main data;
• a binary number series generating unit configured to generate a binary number series;
• a sub signal generating unit configured to generate a sub signal from both sub data and said binary number series;
• and
• a data recording mechanism configured to form pit strings or mark strings according to said main signal on the optical disc while deviating an irradiation area so as to position the pit strings or mark strings in a radial direction from a track center of a track on the optical disc according to said sub signal.

An optical disc manufacturing method for manufacturing an optical disc, comprising:

• generating a main signal from main data;
• generating a binary number series;
• generating a sub signal from both sub data and said binary number series;
• and
• forming pit strings or mark strings according to said main signal on the optical disc, including positionally deviating an irradiation area so as to position the pit strings or mark strings in a radial direction from a track center of a track on the optical disc according to said sub signal.

An information processing device comprising:

• an input configured to receive a main signal from main data;
• a binary number series generating unit configured to generate a binary number series;
• a sub signal generating unit configured to generate a sub signal having bits from both sub data and said binary number series, said sub signal having bits;
• and
• a modulation device configured to generate a signal for controlling a positional deviation of a laser beam in a radial direction from a center of a track or an optical disc, said positional deviation being in accordance with bits of said sub signal.

An information processing method comprising:

• receiving a main signal from main data;
• generating a binary number series;
• and
• generating a signal from said main signal and from both sub data and said binary number series, said signal to be recorded as pit strings or mark strings according to said main signal on an optical disc, wherein the pit strings or mark strings are positionally deviated in a radial direction from a track center of a track on the optical disc according to said sub data.