In a video recorder (2) having an electronically tunable tuner (19) and a connector (4) to which a cabling (6) can be connected, which cabling can also be connected to a connector (5) of a television receiver (3) which also has a tuner (46), at least one comparison device (69, 75, 130) of the video recorder...http://www.google.com/patents/US5631995?utm_source=gb-gplus-sharePatent US5631995 - Video recorder having circuitry for causing the tuner therein to tune to the same received signal as the tuner in a television receiver connected to the video recorder