Patent ID: 6466389
Filing Date: 2002-10-15
Classification: G11B

Abstract:
A large-capacity storage device connected to a computing system with cartridges as storage media, comprising:a data recording and regenerating device for writing data into, and reading it from cartridges, a cartridge entry-exit device for inserting and ejecting cartridges, a cell drum having a plurality of cells for storing cartridges, a media transporting device for transporting cartridges between the cells and said data recording and regenerating device, and a label reading device for reading labels on cartridges, wherein a laser guidance means beside the cartridge in each cell of said cell drum guides laser beams from said label reading device to the side of each cartridge for reading labels by the device, and wherein said label reading device includes: means for comparing data read from a label on the back of a cartridge with that read from a side label of the same cartridge, and means for outputting a cartridge error signal if the data does not match.