Recording and reproducing apparatus having copy-protection function and method thereof

Abstract

A method for protecting disc copy of the present invention includes the steps of detecting an identifier of a disc to be reproduced and determining if a disc copy is permitted or not using copy protection disc information and the identifier. A recording and reproducing apparatus having a disc copy-protection function of the present invention includes a reproducing drive for reading data from a disc, a recording drive for writing data on other disc, storage unit for storing a copy-protection disc information for judging whether a disc copy is permitted or not, and control unit for controlling a disc copy from the disc in the reproducing drive to the other disc in the recording drive.

1. A method for protecting disc a recording medium copy comprising the steps of:
 detecting an identifier of a disc recording medium to be reproduced; and 
 determining whether a disc copy is permitted based on the identifier being listed in copy-protection disc information for a recording medium, 
 wherein the identifier is track information stored in the recording medium. 
 
     
     
       2. A method of  claim 1  wherein the copy-protection disc information comprises only the disc identifier of the recording medium or one of copy speed information and track information as well as the identifier. 
     
     
       3. A method of  claim 1  wherein the identifier is track information stored in the disc. 
     
     
       4. A method of  claim 1  wherein the identifier comprises track numbers and addresses stored in the discrecording medium. 
     
     
       5. A method of  claim 1  wherein the identifier comprises an Nth track number (NT(N)), a starting address (StAdd(N)) of Nth track, an N+M(M 0)th track number (NT(N+M)), a starting address (StAdd(N+M)) of (N+M)th track, an N+P(P M, P 0)th track number (NT(N+P)), and a starting address (StAdd(N+P)) of (N+P)th track. 
     
     
       6. A method of  claim 1  wherein the disc copy permission is determined according to a copy speed as well as the identifier. 
     
     
       7. A method of  claim 1  wherein the disc copy permission id is determined according to track information as well as the identifier. 
     
     
       8. A method of  claim 7  wherein the track information is track numbers or number of tracks. 
     
     
       9. A method of  claim 1  wherein a copy-protection disc information is created and stored if the disc copy is permitted. 
     
     
       10. A method of  claim 9  wherein the copy-protection disc information comprises an identifier or one of copy speed information and track information as well as the identifier. 
     
     
       11. A method of  claim 10  wherein the track information is track numbers or number of tracks. 
     
     
       12. A method of  claim 9  A method for protecting a recording medium copy, comprising the steps of:
 detecting an identifier of a recording medium to be reproduced; and 
 determining whether a copy is permitted based on the identifier being listed in copy-protection information for a recording medium, 
 wherein a copy-protection information is created and stored if the copy is permitted, and 
 wherein the copy-protection disc information is created and stored in case when the copy is completed, number of tracks is greater than a predetermined threshold value, or a copy speed is faster than a predetermined threshold speed. 
 
     
     
       13. A method for creating copy-protection disc information comprising the steps of:
 detecting track information from a disc; and 
 creating and saving a unique identifier based on the detected track information of the disc for distinguishing the disc from other discs; and 
 determining whether a disc copy is permitted based on the identifier being listed in copy-protection disc information. 
 
     
     
       14. A method of  claim 13  wherein the identifier comprises track numbers and track addresses. 
     
     
       15. A method of  claim 14  wherein the identifier comprises an Nth track number (NT(N)), a starting address (StAdd(N)) of Nth track, an N+M(M 0)th track number (NT(N+M)), a starting address (StAdd(N+M)) of (N+M)th track, an N+P(P M, P 0)th track number (NT(N+P)), and a starting address (StAdd(N+P)) of (N+P)th track. 
     
     
       16. A recording/reproducing apparatus having a disc copy-protection function comprising:
 a reproducing drive for reading data from a disc recording medium, the data including an identifier of the disc recording medium; 
 a recording drive for writing data on another disc recording medium; 
 a storage means forunit storing copy-protection disc information; and 
 a control means forunit controlling a disc copy from the disc recording medium in the reproducing drive to the other disc recording medium in the recording drive based on whether the identifier is listed in the copy-protection disc information, 
 wherein the copy-protection information comprises track numbers and track addresses read from the recording medium in the reproducing drive. 
 
     
     
       17. A recording/reproducing apparatus of  claim 16  wherein the copy-protection disc information comprises track numbers and track addresses read from the disk in the reproducing drive. 
     
     
       18. A recording/reproducing apparatus of  claim 17  claim 16 wherein the copy-protection disc information comprises an Nth track number (NT(N)), a starting address (StAdd(N)) of Nth track, an N+M(M 0)th track number (NT(N+M)), a starting address (StAdd(N+M)) of (N+M)th track, an N+P(P M, P 0)th track number (NT(N+P)), and a starting address (StAdd(N+P)) of (N+P)th track. 
     
     
       19. A recording/reproducing apparatus of  claim 16  wherein the copy-protection disc information further comprises copy speed information or number of copied tracks. 
     
     
       20. A recording/reproducing apparatus of  claim 16  wherein the storage means unit is a nonvolatile memory or a volatile memory. 
     
     
       21. A method for protecting disc copy comprising the steps of:
 detecting an identifier of a disc to be reproduced; and 
 determining if a disc copy is permitted or not using copy protection disc information and the identifier, 
 wherein the identifier comprises an Nth track number (NT(N)), a starting address (StAdd(N)) of Nth track, an N+M(M≈0)th track number (NT(N+M)), a starting address (StAdd(N+M)) of (N+M)th track, an N+P(P≈M, P≈0)th track number (NT(N+P)), and a starting address (StAdd(N+P)) of (N+P)th track. 
 
     
     
       22. A method for creating copy-protection disc information comprising the steps of:
 detecting track information from a disc; and 
 creating and saving a unique identifier of the disc for distinguishing the disc from other discs, 
 wherein the identifier comprises track numbers and track addresses, and the track information comprises an Nth track number (NT(N)), a starting address (StAdd(N)) of Nth track, an N+M(M≈0)th track number (NT(N+M)), a starting address (StAdd(N+M)) of (N+M)th track, an N+P(P≈M, P≈0)th track number (NT(N+P)), and a starting address (StAdd(N+P)) of (N+P)th track. 
 
     
     
       23. A recording/reproducing apparatus having a disc copy-protection function comprising:
 a reproducing drive for reading data from a disc; 
 a recording drive for writing data on other disc; 
 storage means for storing a copy-protection disc information for judging whether a disc copy is permitted or not; and 
 control means for controlling a disc copy from the disc in the reproducing drive to the other disc in the recording drive, 
 wherein the copy-protection disc information comprises track numbers and track addresses read from the disc in the reproducing drive, and the copy-protection disc information comprises an Nth track number (NT(N)), a starting address (StAdd(N)) of Nth track, an N+M(M≈0)th track number (NT(N+M)), a starting address (StAdd(N+M)) of (N+M)th track, an N+P(P≈M, P≈0)th track number (NT(N+P)), and a starting address (StAdd(N+P)) of (N+P)th track. 
 
     
     
       24. A method for protecting a copy, comprising the steps of:
 (a) detecting an identifier associated with content to be accessed;   (b) determining whether a copy of the content is permitted based on a lookup table of a reproducing device having a copy-protection function; and   (c) accessing the content based on the determination result after changing flag information, wherein the flag information indicates a permission to access the content.   
     
     
       25. The method of claim 24, wherein the identifier is track information of the content. 
     
     
       26. The method of claim 24, wherein the identifier comprises track numbers and addresses of the content. 
     
     
       27. The method of claim 24, further comprising:
 (d) permitting the copy of the content if the identifier associated with the content corresponds to information in the lookup table.   
     
     
       28. The method of claim 27, further comprising:
 (e) adding the identifier associated with the content to the lookup table when the copy is permitted.   
     
     
       29. The method of claim 24, further comprising:
 (d) preventing the copy of the content if the identifier associated with the content does not correspond to information in the lookup table.   
     
     
       30. The method of claim 29, further comprising:
 (e) outputting a message indicating that the copy is not permitted.   
     
     
       31. A method for creating copy-protection information, comprising the steps of:
 (a) detecting ID information associated with content;   (b) determining whether a copy is permitted by comparing the ID information with a copy-protection information listed in a memory; and   (c) permitting the copy of the content based on the determination result after changing flag information, wherein the flag information indicates a permission to copy the content.   
     
     
       32. The method of claim 31, further comprising:
 (d) adding the ID information associated with the content to the copy-protection information when the copy is permitted.