Library apparatus having cartridge direct entry and exit mechani

Details Library apparatus having cartridge direct entry and exit mechani Library apparatus having cartridge direct entry and exit mechani

1995-04-14

2000-08-15

Sniezek, Andrew L.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

360 92, G11B 1518

Patent

active

061045640

ABSTRACT:
A library apparatus capable of directly entering a large number of recording medium cartridges all at once into a given cell column of a cell drum. The library apparatus includes a recording medium drive unit for writing and reading data to and from a recording medium cartridge; a cartridge entry unit for entering recording medium cartridges into the library apparatus; an automatic cartridge exit unit for automatically ejecting recording medium cartridges from inside the library apparatus; and an accessor for transporting recording medium cartridges through the cell drum, recording medium drive unit, cartridge entry unit and automatic cartridge exit unit. The library apparatus further includes a swinging door that opens and closes to allow recording medium cartridges to enter all at once into the cells of a given cell column in the cell unit, and a faulty cartridge entry detection mechanism for detecting any faulty entry of a recording medium cartridge into any cell of the cell column. The data about that cell column in the cell drum in which cartridges were switched are stored into a nonvolatile memory in an accessor controller that controls the accessor.

REFERENCES:
patent: 4271440 (1981-06-01), Jenkins et al.
patent: 4779151 (1988-10-01), Lind et al.
patent: 4800554 (1989-01-01), Yamasaki et al.
patent: 5229898 (1993-07-01), Fujisawa et al.
patent: 5274516 (1993-12-01), Kukuta et al.

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