Speed control systems and methods for decreasing power...

Details Speed control systems and methods for decreasing power... Speed control systems and methods for decreasing power...

2011-07-26

2011-07-26

Nguyen, Hoa T (Department: 2627)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the record

Reexamination Certificate

active

07986483

ABSTRACT:
A speed control system for a rotating storage device including a mode selection module configured to select an operating mode or a standby mode to operate the rotating storage device based on use of the rotating storage device and to select the standby mode after a first predetermined period during which reading and writing to the rotating storage device is not performed. The first predetermined period is selected based on a type of device in which the rotating storage device is implemented. The speed control system includes a speed control module configured to select a predetermined operating speed to rotate a storage medium of the rotating storage device when the operating mode is selected and to select a predetermined standby speed to rotate the storage medium when the standby mode is selected. The predetermined standby speed is (i) less than the predetermined operating speed and (ii) greater than zero.

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“Technology Innovations for Eco-Friendly HDDs”; Dr. Jim Wong; Hitachi Global Storage Technologies; Oct. 2007; 4 pages.

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