Optical disk device and optical disk gain adjusting method

Optical disk device and optical disk gain adjusting method

  • CN 101,079,279 A
  • Filed: 05/25/2007
  • Published: 11/28/2007
  • Est. Priority Date: 05/25/2006
  • Status: Active Application
First Claim
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1. compact disk equipment is characterized in that comprising:

  • Optical pickup is used for to the CD emission of lasering beam, and detects the light from CD reflection;

    Signal output unit is used for according to exporting servosignal and RF signal at least by the detected light of described optical pickup;

    Gain control unit, be used for determining the type of CD from being recorded in identification information on the CD, and when determine described CD belong to light reflectivity wherein in data posting field than in data not in the posting field during higher type, adjust gain for the data on CD posting field are provided with first, and be on the CD data not the posting field setting adjust second of gain greater than first and adjust and gain;

    AndGain adjusting unit, comprise the storer that is used to store the first and second adjustment gains that are provided with by gain control unit, described gain adjusting unit uses first to adjust gain and adjust the data gain of the servosignal in the posting field, and described gain adjusting unit uses second to adjust gain and adjust the not gain of the servosignal in the posting field of data.

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