Optical disc changer apparatus

Details Optical disc changer apparatus Optical disc changer apparatus

1979-05-23

1981-09-01

Stephan, Steven L.

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

3581285, 360133, G11B 1700, G11B 548

Patent

active

042867908

ABSTRACT:
A high speed data storage and retrieval system includes a storage module, a reader and a changer apparatus. Disc records enclosed in protective cartridges are transported between the reader and the storage module by the changer apparatus. The reader includes two mechanical systems--a system for receiving, securing and spinning a disc while it is enclosed in the cartridge and a pair of read heads which retrieve data stored on the surface of the disc. The storage module includes a plurality of storage locations for storing the discs. The changer apparatus comprises a carriage with a drive mechanism for driving the carriage to a desired position along the length of the storage module and at least two carriers for transporting discs with independent drive mechanisms. The carrier drive mechanisms drive the carriers in a direction normal to the direction which the carriage is driven. Simultaneous movement of the carriage and carriers permits high speed access of data.

REFERENCES:
patent: 3846836 (1974-11-01), Masse et al.
patent: 4101027 (1978-07-01), Kohl et al.
patent: 4127882 (1978-11-01), Kohl et al.
patent: 4143408 (1979-03-01), McGinnis et al.

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