Patent ID: 9224424
Filing Date: 2015-12-29
Classification: G11B

Abstract:
1. A library device for managing plural pieces of recording medium which has recordable area consisting of recording units, comprising: a control module that controls the operation of a data recording/reproducing device, a recording/reproducing module that records data on the recordable area or reproduce data on the recording medium, wherein the control module designates a part of the recordable area as a non-use area where data should not be recorded in a recording unit according to a type of the recording medium before recording data on the recording medium which has not been recorded; and wherein the control module recognizes the non-use area as a recorded area that have been recorded, and determines whether an area on the recording medium is the recorded area or an unrecorded area that has not been recorded in the recording unit, and controls the recording/reproducing module to record data on an area which is determined as the unrecorded area.