Patent ID: 7486593
Filing Date: 2009-02-03
Classification: G11B

Abstract:
1. A method of writing into an unwritten region of an optical disc for writing data, provided from a host device, into a data writing area of the optical disc, comprising: a judging step for judging whether an address located ahead of a designated address for writing data is an unwritten region or a written region; and a writing step for writing data into the data writing area of the optical disc based on a judgment result of the judging step; wherein in the writing step, if the address located ahead of the designated address is judged as a written region, data writing is performed starting from a region of the designated address, and if the address located ahead of the designated address is judged as an unwritten region, dummy data is written into a region of an address located ahead of the designated address, and continuously, the data provided from the host device is written into the region of the designated address.