Patent ID: 6956798
Filing Date: 2005-10-18
Classification: G11B

Abstract:
1. An information recording apparatus comprising: a recording/reproducing portion for recording and reproducing data with respect to a recording medium; and a control portion for controlling an operation of the recording/reproducing portion, the control portion controlling the recording/reproducing portion, in accordance with occurrence of an update portion of data, so that the update portion is recorded to update a predetermined recording region on the recording medium, wherein the control portion has a function of controlling the recording/reproducing portion so as to record the update portion of the data in a temporary storage region provided in a part of the recording medium and record an update flag showing whether the predetermined recording region has been updated with the update portion or has not been updated with the update portion in an update flag region provided in a part of the recording medium, and in update recording with respect to the predetermined recording region, successively performs operations of recording the update portion of the data in the temporary storage region, setting the update flag in an non-updated state, recording the update portion of the data in the predetermined recording region, and setting the update flag in an updated state.