Patent Number: 6,295,179

Title: Library system communication and control arrangement

Abstract: A library system in which a recording and reproducing unit loads a recording medium after an accessor has retired from the recording and reproducing unit by exchanging data between the recording and reproducing unit and the accessor on the occasion that the recording and reproducing unit loads a recording medium carried from the accessor to the recording and reproducing unit. Moreover, the library system has an object to realize communication of the necessary data between the recording reproducing unit and accessor without increase of a load of the director for controlling the recording and reproducing unit and accessor. The library system has a store house (51) for storing a large number of recording medium, a recording and reproducing limit (52) for realizing read and write operation to a recording medium, an accessor (53) for transferring recording medium between the store house (51) and recording and reproducing unit (52) and a director (54) for controlling the library system (20) as a whole including the recording and reproducing unit (52) and accessor (53) and moreover a third communication means (55) for transmitting instructions between the recording and reproducing unit (52) and accessor (53).

Inventors: Taniai; Takamasa (Kawasaki, JP), Hanaoka; Yasuhiko (Tama, JP), Koga; Yuzuru (Tokorozawa, JP)

Assignee: Fujitsu Limited

International Classification: G11B 27/00 (20060101); G11B 15/68 (20060101); G11B 17/22 (20060101); G11B 27/36 (20060101); G11B 015/675 ()

Expiration Date: 09/25/2018