Recording and reproduction apparatus

A recording and reproduction apparatus for irradiating a recording medium having a track with an optical beam to record information on and reproduce information from the recording medium, the recording and reproduction apparatus comprising:

• a tracking error detection section for detecting a positional offset between the optical beam and the track and outputting a tracking error signal corresponding to the positional offset;
• an amplification section for amplifying, based on a prescribed value of a gain, the tracking error signal to be output, wherein the prescribed value of the gain is adjustable;
• a tracking control section for controlling a position of the optical beam based on the tracking error signal amplified by the amplification section;
• a control section for adjusting the prescribed value of the gain of the amplification section;
• and
• a tilt detection section for detecting a tilt between a normal with respect to a position, which is irradiated with the optical beam, on the recording medium and an optical axis of the optical beam,
• wherein the control section adjusts the prescribed value of the gain of the amplification section based on the detected tilt.

A recording and reproduction apparatus for irradiating a recording medium having a track with an optical beam to record information on and reproduce information from the recording medium, the recording and reproduction apparatus comprising:

• a tracking error detection section for detecting a positional offset between the optical beam and the track and outputting a tracking error signal corresponding to the positional offset;
• an amplification section for amplifying, based on a prescribed value of a gain, the tracking error signal to be output, wherein the prescribed value of the gain is adjustable;
• a tracking control section for controlling a position of the optical beam based on the tracking error signal amplified by the amplification section;
• a control section for adjusting the prescribed value of the gain of the amplification section;
• and
• a sensitivity detection section for detecting a recording sensitivity of the recording medium,
• wherein the control section adjusts the prescribed value of the gain of the amplification section based on the detected recording sensitivity.

A recording and reproduction apparatus for irradiating a recording medium having a track with an optical beam to record information on and reproduce information from the recording medium, the recording and reproduction apparatus comprising:

• a tracking error detection section for detecting a positional offset between the optical beam and the track and outputting a tracking error signal corresponding to the positional offset;
• an amplification section for amplifying, based on a prescribed value of a gain, the tracking error signal to be output, wherein the prescribed value of the gain is adjustable;
• a tracking control section for controlling a position of the optical beam based on the tracking error signal amplified by the amplification section;
• a control section for adjusting the prescribed value of the gain of the amplification section;
• and
• a transfer section for transferring the optical beam in a radial direction of the recording medium,
• wherein the control section adjusts the prescribed value of the gain of the amplification section based on a position of the optical beam in the radial direction.

A recording and reproduction apparatus for irradiating a recording medium having a track with an optical beam to record information on and reproduce information from the recording medium, the recording and reproduction apparatus comprising:

• a tracking error detection section for detecting a positional offset between the optical beam and the track and outputting a tracking error signal corresponding to the positional offset;
• an amplification section for amplifying, based on a prescribed value of a gain, the tracking error signal to be output, wherein the prescribed value of the gain is adjustable;
• a tracking control section for controlling a position of the optical beam based on the tracking error signal amplified by the amplification section;
• a control section for adjusting the prescribed value of the gain of the amplification section;
• and
• a modulation section for modulating the optical beam based on information to be recorded on the recording medium,
• wherein the control section adjusts the prescribed value of the gain of the amplification section based on an average intensity of the modulated optical beam.

A recording and reproduction apparatus for irradiating a recording medium having a track with an optical beam to record information on and reproduce information from the recording medium, the recording and reproduction apparatus comprising:

• a tracking error detection section for detecting a positional offset between the optical beam and the track and outputting a tracking error signal corresponding to the positional offset;
• an amplification section for amplifying, based on a prescribed value of a gain, the tracking error signal to be output, wherein the prescribed value of the gain is adjustable;
• a tracking control section for controlling a position of the optical beam based on the tracking error signal amplified by the amplification section;
• a control section for adjusting the prescribed value of the gain of the amplification section;
• and
• a temperature measurement section for measuring a temperature of the recording medium,
• wherein the control section adjusts the prescribed value of the gain of the amplification section based on the measured temperature.