RECORDING MEDIUM AND APPARATUS FOR PROTECTING COPYRIGHTED DIGITAL DATA

摘要

COPYING, DUBBING OR REPRODUCING COPYRIGHTED DIGITAL DATA CAN BE INHIBITED OR RESTRICTED TO PROPERLY PROTECT A COPYRIGHT. AV DATA RECORDED ON A PRE-RECORDED TAPE IS OUTPUT FROM A REPRODUCING UNIT (3) OF A FIRST DIGITAL VCR (1) WITH PROTECTIVE INFORMATION INDICATING WHETHER THE COPY OF THE AV DATA IS INHIBITED OR NOT. THE PROTECTIVE INFORMATION IS INPUT WITH THE A/V DATA TO A SECOND DIGITAL VCR (2). COPY PERMISSION INFORMATION OF A BLANK TAPE LOADED IN THE SECOND DIGITAL VCR (2) IS DISCRIMINATED AND THE SECOND DIGITAL VCR (2) RECORDS THE AV DATA SUPPLIED FROM THE FIRST DIGITAL VCR (1) BASED ON THE PROTECTIVE INFORMATION AND THE COPY PERMISSION INFORMATION.(FIG 8A &9A)