Integrated Disk File Module and memory storage system

Details Integrated Disk File Module and memory storage system Integrated Disk File Module and memory storage system

1976-04-02

1977-12-06

Wolfe, John H.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360 98, 360133, G11B 582

Patent

active

040620492

ABSTRACT:
A Disk File Module of compact slim-line form in a sealed container which encloses all mechanical and electromechanical elements within one unitized module. The magnetic disk is integrated with the rotor of a motor located at the central axial area of the disk to form a slim, substantially planar configuration. A voice-coil actuator having extremely small moving mass and a short (.+-. 3/4 inch) stroke can move flying transducer heads for full stroke access within one disk revolution or less. Integrated with the voice-coil actuator unit is a rotary solenoid and cam for "unloading" (moving away from the disk surfaces) the Read/Write heads of the transducing means. The module weighs less than 20 pounds and is electrically connected to an Electronics Module which provides power and electrical control signals. The Electronics Module can provide power and control for a plurality of Disk File Modules which modules are also replaceable and interchangeable simply by electrical connector means. The Disk File Module has versatile characteristics in that it may use a plurality of positionable transducing systems or a combination of positionable and fixed head-per-track transducing systems. In economic terms the module can provide cost-per-bit rates (for small mass storage systems) which are much less in cost than that afforded by large mass multi-disk storage systems.

REFERENCES:
patent: 3656130 (1972-04-01), Bucklin, Jr. et al
patent: 3843967 (1974-10-01), Mulvany

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