Patent ID: 7719946

Claim:
A device for recording information in at least one information volume in a track in a recordable area on a record carrier, said at least one information volume comprising a start zone, a data zone and an end zone, said device comprising recording means for recording marks representing the information and control data constituting the information volume, and control means for controlling the recording and retrieving the information volume, characterized in that the control means comprises: session means for opening a session by recording intro data, comprising a first buffer zone at the beginning of the start zone of the volume, and at least one session control block (SDCB), in a remaining blank area of the start zone after the buffer zone, the session control block (SDCB) comprising volume data indicative of the status and the contents of the session, and for closing the session for constituting the information volume by recording session control data indicating that the information volume is closed in the remaining blank area, and closure data after the last information recorded in the data zone for constituting the end zone of the volume; and detecting means for retrieving the session control block from said start zone, wherein the session means records physical format information, included in the session control data, indicating parameters of the record carrier.