Patent ID: 7062047
Filing Date: 2006-06-13
Classification: G11B,H04N

Abstract:
1. A digital video signal recorder capable of inhibiting unauthorized copying of an analog video signal, comprising: an input terminal for receiving said analog video signal, said analog video signal including a copy protection signal; analog-to-digital converting means for converting said analog video signal to digital video data; compression means for compressing said digital video data to generate compressed video data; detecting means for detecting said copy protection signal included in said analog video signal; generating means for generating copy management information according to a state of said copy protection signal detected by said detecting means; appending means for appending said copy management information to said compressed video data; and recording means for recording said compressed video data with appended copy management information, said copy management information being recorded at a pre-set position of a record medium; whereby said copy management information is digital information that is generated based on an analog signal; said copy management information including an indicator of whether copying of only digital video data generated from the received analog video signal is inhibited and copying of both digital and analog video data generated from the received analog video signal is inhibited.