JP2004111035A5

JP2004111035A5 -

Info

Publication number: JP2004111035A5
Application number: JP2003320600A
Authority: JP
Filing date: 2003-09-12
Publication date: 2005-06-16

Claims

  Input means for inputting digital information with copy restriction information added thereto;
  Decoding means for decoding the input digital information;
  Recording means for recording the decoded digital information on a recording medium;
  A discriminating means for discriminating the copy restriction information based on the input copy restriction information;
  Control means for controlling the processing of the digital information,
  The control means controls the digital information input to the input means to be decoded by the decoding means and recorded by the recording means in accordance with the discrimination processing in the discrimination means Recording device.

  Input means for inputting digital information with copy restriction information added thereto;
  Decoding means for decoding the input digital information;
  Recording means for recording the input digital information and the copy restriction information on a recording medium;
  Determining means for performing determination processing of the copy restriction information based on the copy restriction information;
  Control means for controlling the processing of the digital information,
  The digital information recording apparatus characterized in that the control means controls to decode and record the input digital information when the result of the discrimination processing indicates that the copy restriction information indicates that the copy is permitted only once.

  Input means for inputting digital information with copy restriction information added thereto;
  Decoding means for decoding the input digital information;
  Recording means for recording the input digital information on a recording medium;
  A discriminating means for discriminating the copy restriction information based on the input copy restriction information;
  The recording means decodes the input digital information when the type of the input copy restriction information indicates that copy is permitted only once, and changes the copy restriction information to copy prohibition for recording. Digital information recording device.

  Input means for inputting first digital information to which copy restriction information is added;
  Decoding means for decoding the input first digital information and converting it into second digital information;
  Recording means for recording the first digital information or the second digital information on a recording medium;
  Determining means for determining the type of the input copy restriction information;
  The recording means records the first digital information when the input copy restriction information indicates unlimited copy permission, and records the second digital information when copy permission is indicated only once. In the digital information recording apparatus, none is recorded when copy prohibition is indicated.

The digital information recording apparatus according to any one of claims 1 to 4,
The digital information recording apparatus characterized in that the copy restriction information added to the input digital information indicates whether the digital information is copy prohibited, copy permitted a predetermined number of times, or copy permitted. .

The digital information recording apparatus according to claim 5, wherein
Whether the input digital information is encrypted digital information or unencrypted digital information is determined according to the type of copy restriction information added to the digital information. Digital information recording device.

The digital information recording apparatus according to claim 6, wherein
If the type of the copy restriction information added indicates copy prohibition or a predetermined number of times of copy permission, the input digital information is encrypted, and the copy restriction information The digital information recording apparatus according to claim 1, wherein when the type indicates copy permission, the input digital information is not encrypted.

  Enter the digital information with copy restriction information added,
  The copy restriction information is determined based on the input copy restriction information,
  Decoding the digital information input according to the determination process,
  A digital information recording method, wherein the digital information is recorded on a recording medium in accordance with the discrimination processing.

  Enter digital information with copy restriction information,
  The copy restriction information is determined based on the input copy restriction information,
  When the result of the discrimination processing indicates that copying is permitted only once, the input digital information is decoded,
  A digital information recording method for recording the digital information on a recording medium.

  Enter the digital information with copy restriction information added,
  The copy restriction information is determined based on the input copy restriction information,
  If the result of the discrimination process indicates that copying is permitted only once, the input digital information is decrypted,
  A digital information recording method, wherein the copy restriction information is changed to copy prohibition, added to the digital information and recorded on a recording medium.

The digital information recording method according to any one of claims 8 to 10,
The digital information recording method, wherein the copy restriction information added to the input digital information indicates whether the digital information is copy-prohibited, copy-permitted a predetermined number of times, or copy-permitted. .

The digital information recording method according to claim 11, wherein
When the type of the copy restriction information to be added indicates copy prohibition or a predetermined number of times of copy permission, the input digital information is encrypted, and the type of copy restriction information Is a digital information recording method, wherein the input digital information is not encrypted.

  Reproducing means for reproducing digital information and copy restriction information from a recording medium;
  Encryption means for encrypting the reproduced digital information;
  A discriminating means for discriminating the copy restriction information based on the input copy restriction information;
  Output means for adding and outputting the copy restriction information to the digital information;
  Control means for controlling the processing of the digital information,
  The control means controls the digital information reproduced by the reproduction means to be encrypted by the encryption means and output from the output means in accordance with the result of the discrimination processing. apparatus.

  Reproducing means for reproducing digital information and copy restriction information from a recording medium;
  Encryption means for encrypting the reproduced digital information;
  Determining means for determining the type of the copy restriction information;
Output means for adding and outputting the copy restriction information to the digital information;
  Control means for controlling the processing of the digital information,
  The digital information reproducing apparatus is characterized in that the control means controls to encrypt the reproduced digital information when the type of copy restriction information indicates a predetermined number of times of copying permission.

  Reproducing means for reproducing digital information to which copy restriction information is added from a recording medium;
  Encryption means for encrypting the reproduced digital information;
  Discriminating means for discriminating the type of the reproduced copy restriction information;
  Output means for adding the copy restriction information to the digital information and outputting it,
  The output means encrypts and outputs the reproduced digital information when the type of the reproduced copy restriction information indicates copy prohibition, and outputs the encrypted digital information.

  Reproducing means for reproducing first digital information to which copy restriction information is added from a recording medium;
  Encryption means for encrypting the reproduced first digital information and converting it into second digital information;
  A discriminating means for discriminating the copy restriction information based on the input copy restriction information;
  Output means for adding and outputting the copy restriction information to the first digital information or the second digital information,
  The output means outputs the first digital information when the type of the reproduced copy restriction information indicates unlimited copying is permitted, and the output means indicates the copy permission or copy prohibition for a predetermined number of times. A digital information reproducing apparatus characterized in that the digital information of 2 is output.

The digital information reproducing apparatus according to any one of claims 13 to 16,
The digital information reproducing apparatus according to claim 1, wherein the copy restriction information reproduced from the recording medium indicates whether the digital information is copy-inhibited, copy-permitted a predetermined number of times, or copy-permitted.

  Play digital information and copy restriction information from the recording medium,
  Based on the reproduced copy restriction information, the copy restriction information is determined,
  The digital information reproduced according to the result of the discrimination process is encrypted,
  A digital information reproducing method, wherein the copy restriction information is added to the encrypted digital information and output.

  Play digital information and copy restriction information from the recording medium,
  The copy restriction information is determined based on the input copy restriction information,
  If the result of the discrimination processing indicates a predetermined number of times of copying permission, the reproduced digital information is encrypted,
A digital information reproducing method, wherein the copy information is added to the encrypted digital information and output.

  Play digital information and copy restriction information from the recording medium,
  The copy restriction information is determined based on the input copy restriction information,
  If the type of the reproduced copy restriction information indicates copy prohibition, the reproduced digital information is encrypted,
  A digital information reproducing method, wherein the copy information is added to the encrypted digital information and output.

The digital information reproducing method according to any one of claims 18 to 20,
The digital information reproducing method according to claim 1, wherein the copy restriction information reproduced from the recording medium indicates whether the digital information is copy prohibited, copy permitted a predetermined number of times, or copy permitted.