Robin, Blecker & Daley
Reproducing apparatus
 A reproducing apparatus for reproducing signals from a record bearing medium on which a video signal or some other signal is recorded in a plurality of blocks is provided with discriminating unit for determining at least whether the signal recorded in each of the blocks is a video signal or some other signal; storing unit for storing the result of discrimination made by the discriminating unit; reproducing unit for selectively reproducing the records of the blocks on the basis of information obtained from the storing unit; and display unit arranged such that, if a signal recorded in a block currently accessed for reproduction is found to be not the video signal, this finding is displayed on a monitor. 
Canon Kabushiki Kaisha
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Masahiko Hirokazu Shigeo Yasutomo Hiroyuki
Ogawa Takahashi Yamagata Suzuki Horii