Patent ID: 7019962

Claim:
An electronic system, comprising: an electronic device having a need for a data storage and/or retrieval device during operation; a hard disk drive mounted to and for providing data storage and/or retrieval for the electronic device, and at least a portion of the hard disk drive is observable by a user of the electronic system during operation of the electronic system; the hard disk drive comprising: a housing; a motor mounted to the housing; a disk mounted to the motor, having a hub, and being rotatable relative to the housing; an actuator mounted to the housing and being movable relative to the disk, the actuator having a head for reading data from and writing data to the disk; a cover mounted to the housing for covering the disk and the actuator in the housing, the cover being translucent but not transparent for allowing observation of at least some movement of the disk and the actuator inside the housing through the cover during operation of the disk drive; and a flashing device mounted to the housing for making movement inside the housing appear to move at a speed that is less than an actual speed of the movement.