Patent ID: 7509022

Claim:
An information recording method for use with a recording apparatus, the method complying with an optical disc format and comprising the steps of: recording record information on a recording medium, the record information including 1) a plurality of VOBUs which are physical information of the record information, 2) one or more VOBs which are management information for managing the VOBUs as physical information units, each of which contains one or more VOBUs and 3) one or more titles which are reproduction control information for controlling reproduction of the VOBUs, each of which contains one or more VOBUs; recording first identifying information on the recording medium; and recording second identifying information on the recording medium; wherein the first identifying information corresponds to each of the one or more VOBs and indicates whether a corresponding VOB is in a logically erased state, and the second identifying information corresponds to each of the one or more titles and prevents erasing or editing of a corresponding title.