JP2006244698A5 - - Google Patents

Claims (4)

  In a digital signal receiving apparatus for receiving a digital signal and recording / reproducing it on a recording medium,
  The received digital signal is accompanied by a control flag for controlling whether or not the digital signal can be copied.
  Receiving means for receiving the digital signal;
  Detecting means for detecting the control flag from the digital signal received by the receiving means;
  First recording / reproducing means for recording / reproducing on / from a first recording medium incapable of taking out the digital signal received by the receiving means;
  Second recording / reproducing means for recording / reproducing on the second recording medium from which the digital signal received by the receiving means can be taken out;
  Control means for controlling recording / reproduction in the first recording / reproducing means and recording / reproduction in the second recording / reproducing means based on the control flag detected by the detecting means;
  The control means designates the digital signal received on the first recording medium that cannot be taken out by the first recording / reproducing means when the control flag indicates that copying is not permitted. Enables temporary recording that can be played only within the period,
  In the second recording / reproducing means, recording of the received digital signal on the second recording medium which can be taken out is prohibited.   In a digital signal receiving method for receiving a digital signal and recording / reproducing it on a recording medium,
  The received digital signal is accompanied by a control flag for controlling whether or not the digital signal can be copied.
  Receiving the digital signal;
  Recording and reproducing the received digital signal on a first recording medium incapable of taking out,
  Recording and reproducing the received digital signal on a second recording medium from which the digital signal can be taken out;
  When the control flag indicates that copying is not permitted, temporary recording that can be played back only within a specified period of the digital signal received on the first recording medium that cannot be taken out is enabled.
  A digital signal receiving method, wherein recording of the received digital signal on the second recording medium which can be taken out is prohibited.   In a digital signal transmission / reception method for transmitting a digital signal, receiving the transmitted digital signal, and recording / reproducing it on a recording medium,
  The digital signal is transmitted together with a first control flag that controls whether or not the digital signal can be copied, a second control flag that controls permission of temporary recording, and a third control flag related to a period during which reproduction is permitted. ,
  Receiving the digital signal;
  Recording and reproducing the received digital signal on a first recording medium incapable of taking out,
  Recording and reproducing the received digital signal on a second recording medium from which the digital signal can be taken out;
  When the first control flag indicates that copying is not permitted, temporary recording that can be reproduced only within a specified period of the digital signal received on the first recording medium that cannot be taken out is enabled. ,
  A digital signal transmission / reception method, wherein recording of the received digital signal on the second recording medium which can be taken out is prohibited.   In a digital signal transmission method for transmitting a digital signal,
  The digital signal is transmitted together with a first control flag that controls whether or not the digital signal can be copied, a second control flag that controls permission of temporary recording, and a third control flag related to a period during which reproduction is permitted. ,
  In the receiving apparatus that receives the digital signal and records / reproduces it on the recording medium, the control flag indicates the digital signal received on the recording medium that cannot be taken out when the first control flag indicates that copying is not permitted. It is possible to perform temporary recording that can be reproduced only within a specified period of a signal, and to control to prohibit recording of the received digital signal on a recordable recording medium. Digital signal transmission method.