Apparatus of compact disc
An optical disc device and optical disc technology, which is applied in the direction of head configuration/installation, etc., can solve the problems such as the inability of the counter to track the number of jumped tracks, the inability to obtain the edge of the pulse signal, and the reduction of the speed of the seek action.
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[0019] Hereinafter, specific implementation manners of the present invention will be described in detail in conjunction with the accompanying drawings.
[0020] The optical disc device of the present invention comprises: a spindle motor 1, which carries the optical disc 2, and drives the optical disc 2 to rotate in the plane of the optical disc; and the optical pickup 3 is equipped with an objective lens 4 movable in a direction perpendicular to the surface of the optical disc 2 and a radial direction of the optical disc 2, and drives the objective lens 4 in a direction perpendicular to the surface of the optical disc 2 and An actuator 5 that moves in the radial direction of the optical disc 2; a sliding drive unit 6 that drives the optical pickup 3 to move in the radial direction of the optical disc 2; and a control unit 7 that receives a read signal generated by the optical pickup 3 to generate a tracking The error signal is to divide the optical disc 2 into a plurality of d...
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