Digital information recording apparatus and outputting apparatus

• US 7,310,823 B2
• Filed: 04/25/2002
• Issued: 12/18/2007
• Est. Priority Date: 07/06/2001
• Status: Expired due to Term

• Current Assignee: Maxell, Ltd.
• Original Assignee: Hitachi, Ltd.
• Inventors: Okamoto, Hiroo, Owashi, Hitoaki, Yoshioka, Atsushi
• Primary Examiner(s): Moazzami, Nasser
• Assistant Examiner(s): Cervetti, David Garcia
• Application Number:
  US10/133,604
• Publication Number:
  US 20030026425A1
• Time in Patent Office: 2,063 Days
• Field of Search: 713/193, 380/255, 380/201, 726/31
• US Class Current: 726/31
• CPC Class Codes: G11B 20/00086 Circuits for prevention of unauthorised reproduction or copying, e.g. piracy indicating unauthorised use of record carriers in general G11B23/28; scrambling for television signal recording H04N5/913; network architectures or network protocols for network security H04L63/00; cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
• CPC Class Codes: G11B 20/00768 wherein copy control information is used, e.g. for indicating whether a content may be copied freely, no more, once, or never, by setting CGMS, SCMS, or CCI flags

Abstract

A digital information recording apparatus includes multiple recording circuits for making multiple copies. The apparatus limits the number of copies, however, in accordance with copy information provided within the digital information itself. When the number of copies is reached, if additional copies are to be made, then the source copy is disabled when a new copy is made.

Claims

1. A digital information recording apparatus having a function of recording received digital information on a plurality of recording media simultaneously, the apparatus comprising:

a plurality of recording circuits for recording the digital information on the plurality of recording media simultaneously; and

a controller configured to operate the plurality of recording circuits,

wherein when copy control information added to the digital information indicates a limit of a predetermined number of copy generations, then the controller limits the number of recording circuits that can record the digital information on a recording medium to the predetermined number.

2. The digital information recording apparatus according to claim 1 wherein, when the copy control information indicates that one generation of copies is permitted, the predetermined number of recording circuits are enabled to record the digital information on a recording medium.

3. The digital information recording apparatus according to claim 1 wherein a recording medium for backup recording is not included in the limit of the predetermined number of copy generations.

4. A digital information apparatus for providing digital information to a plurality of external information recorders simultaneously, the apparatus comprising:

an authenticating circuit that authenticates the plurality of external information recorders and detects a total number of recording media mounted in the plurality of external information recorders; and

an output control circuit that controls the output of digital information simultaneously provided to the external information recorders,

wherein, when copy control information added to the digital information specifies a limit of a predetermined number of copy generations and the total number of recording media mounted exceeds the predetermined number, the output control circuit disables providing the digital information to some of the external information recorders such that the digital information is recorded on not more than the predetermined number of recording media.

5. The digital information apparatus according to claim 4 wherein, when the copy control information indicates that one generation of copies is permitted, the output of the digital information is disabled for all but the predetermined number of the plurality of external information recorders.

6. The digital information apparatus according to claim 4 wherein the authenticating circuit does not include a recording medium for specific usage in the total number of recording media.

7. A digital information recording apparatus provided with a function for simultaneously recording digital information on a plurality of recording media, the apparatus comprising:

a plurality of recording circuits for simultaneously recording the digital information on the plurality of recording media,

wherein, when copy information added to the digital information specifies a limit of a predetermined number of copy generations, the predetermined number of the recording circuits are enabled to each record the digital information on a recording medium media , and the number of recording media that can be produced by the plurality of recording circuits is limited to the predetermined number.

8. The digital information recording apparatus according to claim 7 wherein, when digital information is recorded on a recording medium for specific usage among the plurality of recording media, the recording medium for specific usage is not included in the number of recording media that can be produced by the plurality of recording circuits.

9. The digital information recording apparatus according to claim 7 wherein disabling of reproduction in the recording apparatus is performed within a predetermined time after completion of recording.

10. The digital information recording apparatus according to claim 7 wherein disabling of reproduction in the recording apparatus is performed when any one of the plurality of recording media is removed from the apparatus, but at the latest within a predetermined time after said removal.

11. A digital information recording apparatus provided with a function for recording received digital information on a plurality of recording media simultaneously, the apparatus comprising:

a plurality of recording circuits which each record the digital information on one recording medium of the plurality of recording media simultaneously,

wherein, when copy information added to the digital information specifies a limit of a predetermined number of copy generations, the predetermined number of the plurality of recording circuits is enabled to record the digital information on the predetermined number of recording media.

12. The digital information recording apparatus according to claim 11 wherein, when the copy control information indicates a move of digital information of which copying is not permitted, only one of the plurality of recording circuits is enabled to record the digital information on one recording medium.

13. A digital information recording apparatus provided with a function for recording digital information on a plurality of recording media simultaneously, the apparatus comprising:

a plurality of recording circuits which record inputted digital information on the plurality of recording media simultaneously,

wherein, when copy control information added to the digital information indicates a move of digital information of which copying is not permitted, only one of the plurality of recording circuits is enabled to record the digital information on a recording medium.

14. The digital information recording apparatus according to claim 13 wherein disabling of reproduction in the recording apparatus is performed within a predetermined time after completion of recording.

15. The digital information recording apparatus according to claim 13 wherein disabling of reproduction in the recording apparatus is performed when any one of the plurality of recording media is removed from the apparatus, but at the latest within a predetermined time after said removal.