Information recording method and information recording/reproducing apparatus
A technology for information recording and recording pulses, applied in optical recording/reproducing/erasing methods, recording signal processing, digital recording/reproducing, etc.
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[0032] Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0033] figure 2 An example of the basic configuration of the information recording device of the present invention is shown. Laser light 102 emitted from a laser diode (laser diode) 101 is converged onto an information recording layer (information recording layer) 111 of an optical disc 110 through an objective lens (objective lens) 103 . Recording or reproduction of information is performed by focused laser light. The laser light reflected by the information recording surface 111 is received by an optical detector (optical detector) 105 . The photodetector outputs a current proportional to the power of the received light. The output current is converted into a regenerative signal by the regenerative signal generation circuit 106 . The optical disk 110 is fixed to the spindle motor 109 and driven to rotate. The spindle motor 109 is driven by a pulse signal, and th...
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