Method for controlling the spindle motor speed of an audio/video

Details Method for controlling the spindle motor speed of an audio/video Method for controlling the spindle motor speed of an audio/video

1995-10-27

1997-09-30

Tran, Thang V.

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

360 7303, G11B 509

Patent

active

056732422

ABSTRACT:
A method for controlling speed of a spindle motor within a disk player is provided. The spindle motor drives a disk thereon and the disk player includes a control circuit. The method comprises the steps of: (1) set speed of the spindle motor to operate at a Nominal speed; (2) test if disk data access operation has not occurred for a predetermined amount of time; (3) if result of step 2 is YES, set the spindle motor running at a speed which is between zero and the Nominal speed.

REFERENCES:
patent: 5402200 (1995-03-01), Shrinkle et al.
patent: 5453972 (1995-09-01), Kanazawa et al.
patent: 5502700 (1996-03-01), Shinada
patent: 5544138 (1996-08-01), Bajorek et al.

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