Adaptive recording method and apparatus for high-density optical recording, and control method therefor

A method, comprising:

• recording binary data corresponding to marks and spaces on an optical recording medium, said recording comprising:
• irradiating a light signal onto the optical recording medium;
• and
• adjusting power of said light signal in dependence upon a relationship between at least two of a mark being recorded, a leading space preceding said mark, and a trailing space following said mark, said adjusting of said light signal being in dependence upon said relationship between at least two of a length of said mark, a length of said leading space, and a length of said trailing space, said adjusting further comprising:
• detecting output characteristics data of a light output unit generating said light signal;
• and
• controlling said power of said light signal in dependence upon said relationship and said output characteristics data, said controlling further comprising:
• obtaining the light output control data applied to said light output unit for generating light signals having power levels corresponding to power setting values in dependence upon said relationship;
• storing said light output control data;
• determining said relationship between at least two of said mark, said leading space, and said trailing space;
• and
• supplying said light output control data corresponding to said relationship to said light output unit.

A method, comprising:

• recording binary data corresponding to marks and spaces on an optical recording medium, said recording comprising:
• irradiating a light signal onto the optical recording medium;
• and
• adjusting power of said light signal in dependence upon a relationship between at least two of a mark being recorded, a leading space preceding said mark, and a trailing space following said mark, said adjusting of said light signal being in dependence upon said relationship between at least two of a length of said mark, a length of said leading space, and a length of said trailing space, said adjusting further comprising:
• detecting output characteristics data of a light output unit generating said light signal;
• and
• controlling said power of said light signal in dependence upon said relationship and said output characteristics data, said detecting being periodically performed.

A method, comprising:

• recording binary data corresponding to marks and spaces on an optical recording medium, said recording comprising:
• irradiating a light signal onto the optical recording medium;
• and
• adjusting power of said light signal in dependence upon a relationship between at least two of a mark being recorded, a leading space preceding said mark, and a trailing space following said mark, said adjusting of said light signal being in dependence upon said relationship between at least two of a length of said mark, a length of said leading space, and a length of said trailing space, said adjusting further comprising:
• detecting output characteristics data of a light output unit generating said light signal;
• and
• controlling said power of said light signal in dependence upon said relationship and said output characteristics data, the optical recording medium having an area where user data is not recorded, and said detecting being performed in said area.

A method, comprising:

• recording binary data corresponding to marks and spaces on an optical recording medium, said recording comprising:
• irradiating a light signal onto the optical recording medium;
• and
• adjusting power of said light signal in dependence upon a relationship between at least two of a mark being recorded, a leading space preceding said mark, and a trailing space following said mark, said adjusting of said light signal being in dependence upon said relationship between at least two of a length of said mark, a length of said leading space, and a length of said trailing space, said adjusting further comprising:
• detecting output characteristics data of a light output unit generating said light signal;
• and
• controlling said power of said light signal in dependence upon said relationship and said output characteristics data, the optical recording medium being a digital versatile disc-random access memory disk having a mirror area, said mirror area being an area in which data is not recorded, said detecting being performed in said mirror area of the digital versatile disc-random access memory disk.

A method, comprising:

• recording binary data corresponding to marks and spaces on an optical recording medium, said recording comprising:
• irradiating a light signal onto the optical recording medium;
• and
• adjusting power of said light signal in dependence upon a relationship between at least two of a mark being recorded, a leading space preceding said mark, and a trailing space following said mark, said adjusting of said light signal being in dependence upon said relationship between at least two of a length of said mark, a length of said leading space, and a length of said trailing space, said adjusting further comprising:
• detecting output characteristics data of a light output unit generating said light signal;
• and
• controlling said power of said light signal in dependence upon said relationship and said output characteristics data, the optical recording medium being a digital versatile disc-random access memory disk having a gap area, said gap area being an area in which data is not recorded, said detecting being performed in said gap area of the digital versatile disc-random access memory disk.

A method of writing binary data to an optical recording medium, comprising:

• controlling an adaptive recording apparatus including a recording waveform generator generating an overwrite pulse control signal corresponding to said binary data having marks and spaces, a laser diode driver regulating a laser diode to generate overwrite pulses corresponding to said overwrite pulse control signal and regulating power of said overwrite pulses according to light output control data, an auto laser diode power control circuit feed-back regulating said power of said overwrite pulses to be maintained at a predetermined reference value, a data determiner determining a correlativity between at least two of a mark being recorded, a leading space, and a trailing space, a power table storing unit storing light output control data corresponding to said power of said overwrite pulses in dependence upon said determined correlativity and outputting said corresponding light output control data according to said determined correlativity, and a multiplexer selectively supplying said light output control data output from a power table storing unit to said laser diode driver, said adaptive recording apparatus adaptively adjusting said power of said overwrite pulses according to said determined correlativity between at least two of a length of said mark, a length of said leading space, and a length of said trailing space, said controlling further comprising:
• detecting output characteristic data of said laser diode by regulating said auto laser diode power control circuit;
• and
• updating said light output control data stored in said power table storing unit in dependence upon said output characteristic data of said laser diode.

An adaptive recording apparatus recording binary data on an optical recording medium, comprising:

• a recording waveform generator for generating an overwrite pulse control signal corresponding to said binary data having marks and spaces;
• a laser diode outputting light;
• a laser diode driver for controlling said laser diode to generate overwrite pulses corresponding to said overwrite pulse control signal and controlling power of said overwrite pulses according to light output control data;
• an auto laser diode power control circuit for feed-back controlling said power of said overwrite pulses to be maintained at a predetermined reference value;
• a data determiner for determining a correlativity between at least two of a mark to be recorded, a leading space preceding said mark, and a trailing space following said mark;
• a first power table storing unit for storing said light output control data corresponding to said power of said overwrite pulses depending on said determined correlativity;
• an operator for obtaining output characteristic data of said laser diode in dependence upon first reference light output control data and second reference light output control data, and outputting light output control data in dependence upon said output characteristic data;
• a second power table storing unit for storing said light output control data output by said operator;
• and
• a multiplexer for selectively supplying light output control data output from one of said auto laser diode power control circuit and said second power table storing unit to said laser diode driver, said apparatus adaptively adjusting said power of said overwrite pulse according to said correlativity between at least two of a length of said recording mark, a length of said leading space, and a length of said trailing space.