Patent ID: 7505669

Claim:
A content recording apparatus, comprising: a first recorder that circularly records a video content having a reference screen that is intermittently defined in a first file; a counter that counts the number of times that said first file revolves; an accumulated value calculator that calculates an accumulated value of the video content recorded by said first recorder; a second recorder that circularly records a recording amount value from a head of the video content to each reference screen forming said reference screen of said video content; a termination portion arranger that arranges a termination portion of said first file and a termination portion of said second file to be kept step with each other based on the accumulated value calculated by said accumulated value calculator and a last recording amount value recorded by said second recorder, when the record of said first file is ended; a ring information file producer that produces a ring information file including the number of times indicating the times that said first file is revolved and counted by said counter, a file size of said first file, a write end position of said first file and a write end position of said second file, when the record of said first file is ended; and a normal recorder that normally records said first file and said second file such that respective termination portions are arranged with each other and the ring information file produced by said ring information producer with being related to each other.