Recording and reproducing apparatus which prohibits copying of an externally supplied signal and allows unlimited copying of an internally generated signal
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United States of America Patent
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Sep 28, 1999
Issued Date -
N/A
app pub date -
Dec 6, 1994
filing date -
May 26, 1992
priority date (Note) -
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status (Latency Note)
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Abstract
In an recording and reproducing apparatus which is arranged to receive a plurality of kinds of input signals and record one of the input signals as a digital signal and also to reproduce and output the recorded signal, the kinds of the respective input signals are detected and permission or inhibition of the subsequent copying of the input signals is determined on the basis of their respective detected kinds. If the input signals contains a signal whose subsequent copying is beforehand permitted, copying of the signal is permitted, while if the input signals contains a signal whose subsequent copying is beforehand inhibited, copying of the signal is inhibited.
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