Low-power hard disk drive system architecture

Details Low-power hard disk drive system architecture Low-power hard disk drive system architecture

1994-08-17

1996-05-28

Sniezek, Andrew L.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

360 70, G11B 1518

Patent

active

055217680

ABSTRACT:
A hard disk drive system operates from a limited power source to provide for the storage of data on the surface of a rotating hard disk media. An embedded controller incorporates a data channel for transferring data with respect to a hard disk media. The controller includes first and second subsections and a power-down circuit for providing separately switchable power from the power source to the first and section subsections. The controller further includes a processor for controlling the power-down circuit. The processor nominally provides a low duty cycle control signal to the power-down circuit for switching the provision of power to the first subsection of the controller.

REFERENCES:
patent: 4103314 (1978-07-01), Case
patent: 4717968 (1988-01-01), Painton et al.
patent: 4737867 (1988-04-01), Ishikawa et al.
patent: 4979056 (1990-12-01), Squires et al.

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