DEVICE FOR EXPLORING THE INFORMATION, ON A VIDEODISK, AT A DIFFERENT RATE FROM NORMAL READING, AND MECHANISM FOR PREVIEWING THE INFORMATION

摘要

The invention relates to a device for exploring information on a videodisk at a rate other than normal. /P P According to the invention, it comprises means 31, 33, 34 for giving the carriage of the tone arm a manual translation movement; means for detecting the relative needle carriage position; and a displacement means, giving the needle a prescribed translation relative to the carriage to maintain the average speed of the needle equal to the translation of the carriage. /P P The invention applies in particular to video discs.