Patent ID: 6633724
Filing Date: 2003-10-14
Classification: G11B,H04N

Abstract:
A real-time data recording method for recording data in a real-time manner on a random-accessible data recording medium, comprising:before recording of file data, generating initial management data for said file data to be recorded, then recording said initial management data on said data recording medium, and recording said file data on said data recording medium; during the recording of said file data on said data recording medium, at least intermittently generating real-time management data corresponding substantially to a real-time file data recorded on said data recording medium, and recording said real-time management data in a non-volatile recording medium; and upon restarting a use of said data recording medium after occurrence of a fault, reading said initial management data, and reading said real-time management data from said non-volatile recording medium to update said initial management data and updating said initial management data, and recording said updated management data onto said data recording medium; wherein if a different said data recording medium is loaded when restarting the apparatus, a message indicative of occurrence of fault, and at least one of advising a user to exchange said data recording medium, and asking whether or not information in said non-volatile recording medium should be deleted, is outputted.