Patent ID: 7768892

Claim:
A recording apparatus for recording second address information and second information in an information recording medium to update first information recorded in the information recording medium to the second information by updating first address information recorded in the information recording medium to the second address information, wherein the first address information includes a first address indicating at least one of locations of the information recording medium at which the first information is recorded, the second address information includes a second address indicating at least one of locations of the information recording medium at which the second information is to be recorded, the recording apparatus comprises a host apparatus and a drive apparatus, the host apparatus includes a system control section for controlling the drive apparatus, the drive apparatus includes a head section for performing a recording operation or a reproduction operation for the information recording medium and a drive control section for controlling the head section, the system control section generates an update instruction including a third address indicating at least one of the locations of the information recording medium at which the first address information is recorded and the second address information as an update instruction for updating the first address information to the second address information, and outputs the update instruction to the drive apparatus, and the drive control section receives the update instruction from the host apparatus, the drive control section, in accordance with the update instruction, controls the head section to record the second address information in the information recording medium, generates disc management information including correlation information, and controls the head section to record the disc management information in the information recording medium, and the drive control section controls the head section to record the second information in the information recording medium in accordance with the second address, wherein the correlation information correlates the first address information with the second address information by correlating the third address with a fourth address indicating at least one of the locations of the information recording medium at which the second address information is recorded, such that when reproducing the information is recorded, such that when reproducing the information recorded by the recording apparatus by a reproduction apparatus, in response to a reproduction instruction for the first address information from the reproduction apparatus, wherein the reproduction instruction includes the third address, the correlation information is referenced to by the reproduction apparatus so as to determine the fourth address based on the third address such that the reproduction apparatus reproduces the second address information based on the determined fourth address instead of reproducing the first address information.