Disk apparatus having a power consumption reducing mechanism

Details Disk apparatus having a power consumption reducing mechanism Disk apparatus having a power consumption reducing mechanism

1994-03-04

1995-08-15

Epps, Georgia Y.

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

369 47, 369 48, 369124, G11B 700

Patent

active

054426081

ABSTRACT:
A disk apparatus comprising a controller receiving commands from a command input device and controlling an entire operation of the disk apparatus. The rotating control function is coupled to the controller for controlling the first motor. The pickupmotor control function is coupled to the controller for controlling the second motor. The pickup control function is coupled to the controller for controlling a focusing operation and a tracking operation of the pickup. And the signal processing function is coupled to the controller for processing a recording signal to be recorded on the disk-shaped recording medium and a reproduced signal read out therefrom. The controller is comprised function-stop function for determining whether or not any command is received from the command input device during a predetermined period of time in a state. The disk apparatus is maintained in a predetermined mode and for stopping predetermined function among the rotating control function, the pickup motor control function, the pickup control function, and the signal processing function when it is determined that no command is received from the command input device during the predetermined period.

REFERENCES:
patent: 4894814 (1990-01-01), Yamada et al.
patent: 4916682 (1990-04-01), Tomoda et al.
patent: 4972399 (1990-11-01), Miyasaka
patent: 5060208 (1991-10-01), Nagai et al.

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