| abstract |
(57) [Abstract] [Purpose] When performing dubbing using the analog output terminal of a digital VCR, the copyright of data is surely protected, and information such as the copy generation of data is also known. [Structure] The system data reproduced by the digital VCR 1 is supplied to a system data processing circuit 6. The system data processing circuit 6 supplies a control signal to the CP signal generator 10 and the VBID generator 11 based on the supplied data. CP signal and VBID are recorded digital VC It is supplied to the R20 and the analog VCR 40. The VBID detector 22 of the digital VCR 20 detects the VBID. In the analog VCR 40, the AGC circuit 41 is disturbed when the CP signal is present during analog video output. |