Tape cartridge movement management in an automated tape cartridg

Details Tape cartridge movement management in an automated tape cartridg Tape cartridge movement management in an automated tape cartridg

1988-01-27

1989-09-05

Stephan, Steven L.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Tape record

1983496, 360 9805, 369 33, 369 34, 364478, 414273, G11B 1568, G11B 1722, B65G 100

Patent

active

048644382

ABSTRACT:
The tape cartridge movement management apparatus for an automated tape cartridge library system includes a database that identifies each tape cartridge stored in the library system and its physical location, whether in its home position or in transit. In addition, a path selection apparatus is used to regulate the movement of the tape cartridges between their home positions and the designated destinations. This apparatus selects a path between two end points, reserves the apparatus to transport the designated tape cartridge between these two end points and maintains the apparatus reservations until the movement of the tape cartridge is successfully completed. In this fashion, if the movement of the tape cartridge is blocked somewhere along the path, the apparatus remains reserved to return the designated tape cartridge back to its original or home position.

REFERENCES:
patent: 3831197 (1974-08-01), Beach et al.
patent: 3938190 (1976-02-01), Semmlow et al.
patent: 4271440 (1981-06-01), Jenkins et al.
patent: 4654727 (1987-03-01), Blum et al.
patent: 4766581 (1988-08-01), Korn et al.
patent: 4779151 (1988-10-01), Lind et al.
patent: 4802035 (1989-01-01), Phtsuka

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