Patent ID: 7054086
Filing Date: 2006-05-30
Classification: G11B

Abstract:
1. A library device comprising: a drive device to read and/or write data from or onto storage media housed in a desired data cartridge out of a plurality of data cartridges; at least one magazine including a plurality of cells arranged in one direction, each of which houses one of said plurality of said data cartridges; a carrying unit that mounts a picker mechanism to extract or load the desired data cartridge from or into a corresponding cell in said at least one magazine and moves in the one direction and that selectively positions said picker mechanism to a position of one of said plurality of cells; and a magazine position detecting unit to detect a position of each of said plurality of cells in said at least one magazine; wherein said magazine position detecting unit comprises a plurality of positioning flags arranged in line along the one direction, each of which is mounted in a manner to correspond to a position of each of said plurality of cells in said at said least one magazine, in a state that said at least one magazine is properly located; at least one magazine position detecting flag placed in the line along the one direction and being displaced when directly contacting said at least one magazine, and a common position sensor that moves together with said carrying unit as a whole and detects positions of said plurality of positioning flags and said at least one magazine position detecting flag.