Patent ID: 7480111

Claim:
A recording medium cassette recognition method for recognizing a recording medium cassette contained in a storage position of a magazine insertable/removable into/from a data library device casing provided in a data library device, the magazine having a plurality of recording medium cassette storage positions linearly arranged in a longitudinal direction, the data library device picking up a target recording medium cassette from the magazine and setting the target recording medium cassette into a drive, the method comprising: detecting insertion of the magazine into the data library device casing and starting suction of the magazine toward a deep end of the data library device casing; reading an identification code recorded on the recording medium cassette at a timing when the cassette passes a read area of a read device arranged on the data library device casing, and storing the identification code in correspondence with the storage position; and transferring the recording medium cassette between the magazine and the drive according to the stored data.