A digital VCR incorporates an IC card reader/writer that cooperates with an IC card that stores therein control data corresponding to the transmission format of video signals to be recorded. The signal processing circuits with the digital VCR are controlled by the control data and are structured of digital...http://www.google.fr/patents/US5862292?utm_source=gb-gplus-shareBrevet US5862292 - Recording and reproducing device for digital signal including IC card
Recording and reproducing device for digital signal including IC card