Reproducing apparatus

Details Reproducing apparatus Reproducing apparatus

G - Physics

11

B

352/21.3

G11B 21/10 (2006.01) G11B 5/588 (2006.01) H04N 5/76 (2006.01)

Patent

CA 1180112

PHO. 81-503 26 ABSTRACT: A reproducing apparatus for information signals recorded in inclined tracks together with tracking signals whose frequency changes from track to track in a cyclic sequence, comprises a variable-frequency signal generator for the generation of track selection signals, from which together with the crosstalk tracking signals reproduced during a playback mode by at least one rotatable playback head (K1, K2) arranged on an electromechanical transducer (W1, W2) a transducer actuating signal is derived for track- ing purposes, by means of which actuating signal the trans- ducer with the playback head is adjustable between two extreme positions transversely of the tracks. By means of an amplitude discriminator having two threshold values cor- responding to the two amplitudes of the actuating signal for deflecting the transducer to its two extreme positions, the actuating signal is detected and when the threshold values are exceeded an additional change-over if the track selection signal generation is initiated, which continues until the transducer can guide the playback head along the tracks without reaching one of its extreme positions.

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