Patent ID: 8145028

Claim:
An optical disk device, comprising: recording means which records contents data upon an optical disk cell by cell; replay means which: reads the contents data from the optical disk cell by cell; performs replay of the contents data; and performs special replay which differs from the replay by one or more of replay speed and replay direction; and actuation means which designates a desired predetermined time instant from within the time period over which recording is performed by the recording means, wherein during the recording, the recording means: minimizes a data amount in a predetermined cell which is recorded at the predetermined time instant designated by the actuation means, among all cells in which the contents data are recorded; records the predetermined cell upon the optical disk; and records, upon the optical disk, recording position information which specifies a recording position upon the optical disk of the predetermined cell, and wherein if the recording position information is recorded upon the optical disk, during performance of the special replay from the optical disk, when the special replay arrives at the predetermined cell which is present at the recording position specified in the recording position information, the replay means: stops the special replay; starts performing the replay from the predetermined cell; and prohibits performing the special replay during replaying the predetermined cell.