JP2006114122A5 - - Google Patents

Claims (8)

Irradiating a plurality of recording and / or reproducing spots with a pre-adjusted interval with respect to the tracking track of the optical recording medium,
Based on recording position information and / or synchronization information obtained from at least one of the plurality of spots, information is recorded and / or reproduced on a recording track where at least the recording position information cannot be detected. Optical recording / reproducing method. Recording of a recording track in which the recording position information and / or the synchronization information cannot be detected based on the recording position information and / or the synchronization information obtained from the at least one spot and the phase difference between the plurality of spots 2. The optical recording / reproducing method according to claim 1, wherein position information and / or synchronization information is estimated. The light according to claim 2, wherein the estimated recording position information and / or synchronization information is recorded on at least one recording track among the recording tracks in which the recording position information and / or the synchronization information cannot be detected. Recording and playback method. The optical recording / reproducing method according to claim 1, wherein the plurality of spots are near-field light. The optical recording / reproducing method according to claim 1, wherein the plurality of spots are irradiated to substantially symmetrical positions with respect to the tracking track. A plurality of recording and / or reproducing spots are irradiated at predetermined intervals with respect to the tracking track of the optical recording medium,
Based on recording position information and / or synchronization information obtained from at least one of the plurality of spots, information is recorded and / or reproduced on a recording track where at least the recording position information cannot be detected. Optical recording / reproducing apparatus. The optical recording / reproducing apparatus according to claim 6 , further comprising a condensing lens that irradiates the optical recording medium with a plurality of spots of near-field light. Recording of a recording track in which the recording position information and / or the synchronization information cannot be detected based on the recording position information and / or the synchronization information obtained from the at least one spot and the phase difference between the plurality of spots The optical recording / reproducing apparatus according to claim 6 , further comprising a synchronization information processing unit and / or a recording position information processing unit that estimates position information and / or synchronization information.