Library apparatus

Data carrier archiving system with a data carrier store comprising a plurality of storage compartments and at least one drive for data carriers and with a data carrier transport unit movable in a space in three different spatial directions by means of a handling unit for transporting the data carriers between different compartments of the data carrier store and/or the at least one drive, wherein the data carrier transport unit is provided with a position detection unit for carrying out scanning of a reference object after random operational phases for determination of a position of the data carrier transport unit in at least one of three different spatial directions relative to the reference object, and the position detecting unit including at least one movable measurement arm of the data carrier transport unit, its positions being influenced by contact with the reference object effectable in accordance with the positioning of the data carrier transport unit in the space, wherein the at least one measurement arm is held standing in a starting position by an elastic biasing means and is movable out of its starting position contrary to the action of the elastic biasing means.

Data carrier archiving system with a data carrier store comprising a plurality of storage compartments and at least one drive for data carriers and with a data carrier transport unit movable in a space in three different spatial directions by means of a handling unit for transporting the data carriers between different compartments of the data carrier store and/or the at least one drive, wherein the data carrier transport unit is provided with a position detection unit for carrying out scanning of a reference object after random operational phases for determination of a position of the data carrier transport unit in at least one of three different spatial directions relative to the reference object, and the position detecting unit including at least one movable measurement arm of the data carrier transport unit, its positions being influenced by contact with the reference object effectable in accordance with the positioning of the data carrier transport unit in the space, wherein the measurement arm is mounted so as to be pivotable about a pivot axis and that the position detection unit detects different pivot positions of the measurement arm.

Data carrier archiving system with a data carrier store comprising a plurality of storage compartments and at least one drive for data carriers and with a data carrier transport unit movable in a space in three different spatial directions by means of a handling unit for transporting the data carriers between different compartments of the data carrier store and/or the at least one drive, wherein the data carrier transport unit is provided with a position detection unit for carrying out scanning of a reference object after random operational phases for determination of a position of the data carrier transport unit in at least one of three different spatial directions relative to the reference object, and the position detecting unit including at least one movable measurement arm of the data carrier transport unit, its positions being influenced by contact with the reference object effectable in accordance with the positioning of the data carrier transport unit in the space, wherein the measurement arm is movable in a gripping direction relative to a housing of the data carrier transport unit in order to interact with the reference object and that the position detection unit detects different measurement sections of the at least one measurement arm at different positions of the measurement arm in the gripping direction.

Data carrier archiving system with a data carrier store comprising a plurality of storage compartments and at least one drive for data carriers and with a data carrier transport unit movable in a space in three different spatial directions by means of a handling unit for transporting the data carriers between different compartments of the data carrier store and/or the at least one drive, wherein the data carrier transport unit is provided with a position detection unit for carrying out scanning of a reference object after random operational phases for determination of a position of the data carrier transport unit in at least one of three different spatial directions, the position detection unit optically detecting a position of an object of measurement influenced by the positioning of the data carrier transport unit in the space relative to the reference object, wherein the object of measurement corresponds to the reference object and is a pattern detectable by the position detection unit, said pattern having markings reflecting optically differently and being associated with a spatially defined location, wherein the position detection unit has a marking arranged thereon, which defines a reference position of the position detection unit in relation to a starting point of a moving reading beam.