×

Information management apparatus

  • US 20040165301A1
  • Filed: 02/26/2004
  • Published: 08/26/2004
  • Est. Priority Date: 02/18/1994
  • Status: Active Grant
First Claim
Patent Images

1. A recording/reproducing apparatus for recording a transmitted signal onto a recording medium and for reproducing the recorded signal from the recording medium, comprising:

  • a recorder which records the transmitted signal by a recording/reproducing head onto a recording medium;

    a reproducer which reproduces the recorded signal by a recording/reproducing head from the recording medium and outputs the reproduced signal; and

    a disabling circuit which disables the signal recorded on the recording medium by a recording/reproducing head, wherein the transmitted signal is scrambled using key code and restricted to be copied, and said reproducer descrambles the reproduced signal using the key code and outputs the descrambled signal after adding information to restrict copying and said disabling circuit disables the signal which has been reproduced.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×