Patent ID: 7885158

Claim:
An information recording apparatus for recording record information which is composed of a plurality of first record information units in a recording medium in which first type information indicating whether the recording medium is a reproduction only recording medium or a recordable recording medium is recorded in advance, comprising: a detecting device for detecting the first type information from the recording medium; a setting device for setting characteristic information in each of the first record information units, the characteristic information indicating whether the record information includes video information; a recording device for recording the record information including the set characteristic information in the recording medium, and a type information recording device for recording second type information indicating whether the recording medium is a reproduction only recording medium or a recordable recording medium, wherein the record information comprises whole management information and a plurality of second record information units, and the type information recording device records the second type information in both the whole management information for managing the whole of the record information and each of the respective second record information units.