Patent ID: 6038200
Filing Date: 2000-03-14
Classification: G11B

Abstract:
An autochanger comprising:a storage unit including a plurality of storage sections for storing recording medium cartridges, each cartridge having a recording medium installed therein and a first memory for storing informative data of the recording medium;a first accessing means for accessing the first memory of said cartridge;a second accessing means for loading and unloading said cartridges and accessing a data signal on the recording mediums of said cartridges;a conveying means for conveying said cartridges between the storage unit and the second accessing means;a second memory for saving the informative data; anda controlling means for controlling storage of said cartridges in said storage unit by reading through the first accessing means the informative data from the first memories on said cartridges, saving the informative data in the second memory, and updating the informative data in both the first and second memories according to a response of the second accessing means to accessing data on the recording medium of the cartridges.