×

Recording and/or reproducing apparatus and method with asignal quality determining device and method

  • US 20050128916A1
  • Filed: 11/10/2004
  • Published: 06/16/2005
  • Est. Priority Date: 11/11/2003
  • Status: Active Grant
First Claim
Patent Images

1. An RF signal quality determining device, comprising:

  • a signal estimator determining a level, corresponding to a sample value of an input RF signal, using binary data obtained from the RF signal and generating a selection signal corresponding to the determined level;

    a channel identifier classifying the sample value into a plurality of levels, according to the selection signal, and obtaining an average value of sample values classified into each level; and

    a quality calculator calculating a signal quality value representing a signal quality of the RF signal using each sample value output from the channel identifier and the average value of the sample values classified into each level.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×