JP2011129245A5

JP2011129245A5 - Digital information receiving apparatus and digital information recording / reproducing method

Info

Publication number: JP2011129245A5
Application number: JP2011017399A
Authority: JP
Filing date: 2011-01-31
Publication date: 2011-12-08
Anticipated expiration: 2021-06-21

Description

本発明の目的は、上記した問題に鑑み、たとえばアナログ記録装置へ移動または出力するなどの動作を、著作権者等の本来の意図に反することなく実現する装置を提供することにある。 In view of the above problems, an object of the present invention is to provide an apparatus that realizes an operation such as moving or outputting to an analog recording apparatus without violating the original intention of a copyright holder or the like.

上記目的は、その一例として特許請求の範囲に記載の構成により達成できる。 The above object can be achieved by, for example, the configuration described in the claims.

Claims

  In the digital information receiving apparatus for receiving the digital video information transmitted together with the copy control information, recording it on the recording medium, and reproducing from the recording medium,
  The copy control information includes at least first copy control information that controls whether or not the digital video information can be copied, and second that controls whether or not the copy can be performed by adding an analog copy control signal in an analog output of the digital video information. Copy control information of
  Receiving means for receiving the digital video information;
  Recording and reproducing means for recording the received digital video information on the recording medium and reproducing the recorded digital video information from the recording medium;
  Analog signal output means for adding the analog copy control information and the analog copy control signal as analog signals to the received digital video information or digital video information reproduced by the recording / reproducing means;
  Control means for controlling the recording / reproducing means and the analog signal output means by the copy control information,
  When the first copy control information of the received digital video information indicates that only one generation is allowed to be recorded, the control means sets the received digital video information as a copy prohibition for the first copy control information. Record,
  When the received digital video information or the digital video information reproduced from the recording / reproducing means is output as an analog signal from the analog signal output means, the analog video signal is output in accordance with first copy control information of the output digital video information. The analog copy control information is added to the signal, and the addition of the analog copy control signal to the analog signal is controlled by a combination of the first copy control information of the digital video information to be output and the second copy control information. ,
  When the first copy control information of the digital video information to be output indicates that copy is prohibited any more, analog copy control information indicating that copy is prohibited is added to the analog signal; and Validating the second copy control information, controlling the addition of the analog copy control signal according to the second copy control information, and outputting,
  When the first copy control information of the output digital video information indicates that only one generation is allowed to be recorded, analog copy control information indicating that only one generation is allowed to be recorded is added to the analog signal; and 2. A digital information receiving apparatus, wherein the second copy control information is not validated and is output without adding the analog copy control signal.

  In a digital information recording / reproducing method for receiving digital video information transmitted together with copy control information, recording it on a recording medium, and reproducing from the recording medium,
  The copy control information includes at least first copy control information that controls whether or not the digital video information can be copied, and second that controls whether or not the copy can be performed by adding an analog copy control signal in an analog output of the digital video information. Copy control information of
  Receiving the digital video information;
  A recording / reproducing step of recording the received digital video information on the recording medium and reproducing the recorded digital video information from the recording medium;
  An output step of outputting the received digital video information or the digital video information reproduced from the recording medium as an analog signal;
  When the first copy control information of the received digital video information indicates that only one generation is allowed to be recorded, the received digital video information is recorded with the first copy control information no more copy prohibited,
  When the received digital video information or the reproduced digital video information is output as an analog signal, the analog copy control information is added to the analog signal according to the first copy control information of the digital video information to be output, and the digital signal is output Controlling the addition of the analog copy control signal to the analog signal by a combination of the first copy control information of the video information and the second copy control information;
  When the first copy control information of the digital video information to be output indicates that copy is prohibited any more, analog copy control information indicating that copy is prohibited is added to the analog signal; and Validating the second copy control information, controlling the addition of the analog copy control signal according to the second copy control information, and outputting,
  When the first copy control information of the output digital video information indicates that only one generation is allowed to be recorded, analog copy control information indicating that only one generation is allowed to be recorded is added to the analog signal; and 2. A digital information recording / reproducing method, wherein the second copy control information is not validated and the analog copy control signal is not added.

  In a digital information receiving apparatus that receives digital video information, records it on a recording medium, and reproduces it from the recording medium,
  The digital video information is information transmitted together with copy control information for controlling whether or not digital video information can be copied and APS control information for controlling addition of a pseudo sync pulse signal in an analog output of the digital video information,
  Receiving means for receiving the digital video information;
  Recording and reproducing means for recording the received digital video information on the recording medium and reproducing the recorded digital video information from the recording medium;
  Analog signal output means for outputting received digital video information or digital video information reproduced by the recording / reproducing means as an analog signal;
  Control means for controlling the recording / reproducing means and the analog signal output means,
  The control means includes
  When the copy control information of the received digital video information indicates that only one generation is allowed to be recorded, the received digital video information is recorded with copy control information no more copy prohibited,
  When outputting the received digital video information or the digital video information reproduced from the recording / reproducing means as an analog signal from the analog signal output means,
  When the copy control information of the digital video information to be output indicates that copy is prohibited any more, CGMS information indicating that copy is prohibited is added to the analog signal, and the APS control information is added. It is set as valid, and the addition of the pseudo sync pulse signal is controlled and output according to the APS control information,
  When the copy control information of the digital video information to be output indicates that only one generation can be recorded, CGMS information indicating that only one generation can be recorded is added to the analog signal, and the APS control information is made valid. The digital information receiving apparatus outputs the pseudo sync pulse signal without adding the pseudo sync pulse signal.

  In a digital information recording / reproducing method for receiving and recording digital video information on a recording medium and reproducing from the recording medium,
  The digital video information is information transmitted together with copy control information for controlling whether or not digital video information can be copied and APS control information for controlling addition of a pseudo sync pulse signal in an analog output of the digital video information,
  Receiving the digital video information;
  A recording / reproducing step of recording the received digital video information on the recording medium and reproducing the recorded digital video information from the recording medium;
  An output step of outputting the received digital video information or the digital video information reproduced from the recording medium as an analog signal;
  When the copy control information of the received digital video information indicates that only one generation is allowed to be recorded, the received digital video information is recorded with copy control information no more copy prohibited,
  When outputting received digital video information or reproduced digital video information as an analog signal,
  When the copy control information of the digital video information to be output indicates that copy is prohibited any more, CGMS information indicating that copy is prohibited is added to the analog signal, and the APS control information is added. It is set as valid, and the addition of the pseudo sync pulse signal is controlled and output according to the APS control information,
  When the copy control information of the digital video information to be output indicates that only one generation can be recorded, CGMS information indicating that only one generation can be recorded is added to the analog signal, and the APS control information is made valid. And a digital information recording / reproducing method characterized in that the pseudo sync pulse signal is output without being added.