Energy conserving disc drive

Details Energy conserving disc drive Energy conserving disc drive

2006-02-28

2006-02-28

Masih, Karen (Department: 2837)

Electricity: motive power systems

Braking

Dynamic braking

C318S254100, C318S132000, C318S434000

Reexamination Certificate

active

07005817

ABSTRACT:
A disc drive includes a disc mounted to a rotatable spindle, a motor coupled to the spindle, and motor control circuitry. The motor has a motoring mode in which it rotates the spindle and a braking mode in which is decelerates the rotating spindle and generates power. The motor control circuitry is adapted to control the modes of the motor. The disc drive also includes an auxiliary power output that is generated while operating the motor in the braking mode. The auxiliary power output is made accessible to electronic components that are collateral to the disc drive.

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