Optical disk recording/reproducing system

Optical disk recording/reproducing system

  • CN 1,975,873 B
  • Filed: 09/28/2002
  • Issued: 09/26/2012
  • Est. Priority Date: 09/29/2001
  • Status: Active Grant
First Claim
Patent Images

1. playback system that is used for CD, wherein data write on CD and/or fetch data from optical disk reading, and wherein CD comprises Lead-In Area, and Lead-In Area comprises:

  • the read-only region that contains first ripple;

    The read/writable district of containing second ripple different with first ripple;

    And the bonding pad that between read-only region and read/writable district, forms, said system comprises;

    Optical pickup units is used for fetching data from optical disk reading;

    AndThe read/write signal processor, this read/write signal processor comprises;

    Photoelectric detector receives the light from CD reflection;

    AndThe computing circuit unit is handled from the electric signal of photoelectric detector output.

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