Patent ID: 7929826
Filing Date: 2011-04-19
Classification: G11B,H04N

Abstract:
1. An information recording apparatus for recording: information onto a write-once recording medium in conformity with a recording format for a reproduction only recording medium, said recording format being constituted to include at least: unit record information including record information to be reproduced by an information reproducing apparatus and reproduction control information for controlling a reproducing mode in reproduction of said record information in said information reproducing apparatus; and managing control information for respectively controlling reproduction mode of one or a plurality of pieces of said unit record information, the apparatus comprising: a first recording device for recording said unit record information onto said write-once recording medium a generating device for generating, each time recording of one piece of said unit record information is completed, tentative managing information that is control information corresponding to the recorded unit record information and for subsequently forming and recording onto said write-once recording medium said managing control information; a second recording device for recording the generated tentative managing information onto said write-once recording medium each time said unit record information is recorded onto said write-once recording medium wherein said tentative managing information is tentative managing information for the whole of pieces of the unit record information already recorded, for subsequently generating and recording onto said write-once recording medium said managing control information for controlling reproduction of all of pieces of unit record information recorded onto said write-once recording medium, wherein said first recording device records, after recording said record information included in said unit record information to be recorded by said first recording device, said reproduction control information included in said unit record information together with said record information in an area on said write-once recording medium that is to be detected before said record information, and wherein said second recording device records said tentative managing information in an area on said write-once recording medium positioned between an area in which said record information is recorded by said first recording device and an area in which said reproduction control information is recorded by said first recording device.