| 摘要 |
<p>PURPOSE:To copy a user's original many times by recording a copy permitting signal in a recording medium in the case of using a microphone, etc., and record ing a copy inhibiting signal at the time of input from an external input terminal. CONSTITUTION:In the case of recording digital information by using a microphone 21 and a video camera 22, a copy permitting signal is recorded in a magnetic tape 300. On the other hand, when a sound signal and a video signal inputted from external input terminals 11-14 are digital data, a signal for limiting the number of times of copy of a copy inhibiting signal, etc., in accordance with a copy management code contained in its data is recorded. Accordingly, as for a user's original work, digital copy can be executed many times, and as for a tape of other copyright holder, the number of times of copy is limited.</p> |
