Disk having unique code for identifying its type for optical disk player and method for discriminating types thereof

Disk having unique code for identifying its type for optical disk player and method for discriminating types thereof

  • CN 1,285,070 C
  • Filed: 08/28/1998
  • Issued: 11/15/2006
  • Est. Priority Date: 12/31/1997
  • Status: Active Grant
First Claim
Patent Images

1. method of discerning in the CD player based on the physical type of the dish of structural difference, described dish has one wherein with the bca code district of the bca code that comprises a Special disc code, and described method comprises step:

  • Use a light picker to read in the bca code district data of the Special disc code of the physical type that comprising the described dish based on structural difference of expression in the described bca code district;

    Extraction is included in the dish code in the data that read;

    WithBy retrieval dish code table, according to the dish code that is extracted, confirm the type of described dish, in described dish code table, the dish code is corresponding one by one with disc-type.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×