An image reading device includes a document conveyance section, a reading section, a determination section, an operation control section, a reading instruction request section, and a reading instruction reception section. In one example, a data storage system is provided and includes a first data storage device comprising a first non-volatile data storage medium and a second data storage device that comprises a second non-volatile data storage medium. The bundling member 5 is provided with a guiding groove 51, through which the plurality of tapes 41 pass, to keep the relative position of the plurality of tapes 41 constant. In that event, the blade is pushed out and then pressured back in as it rides over the difficult-to-dislodge clump. A bumper may enable docking with another vehicle, with shared control over the eModules of the vehicles. According to the invention, the coding has at least one magnetic base layer and at least one magnetic coding layer and these are configured in such a way as to produce areas with non-parallel or antiparallel magnetic coupling over the length of the base layer or coding layer.