Skip/arm servo system for a video disc player

Details Skip/arm servo system for a video disc player Skip/arm servo system for a video disc player

1982-03-23

1984-11-13

Richardson, Robert L.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Having power driven transducer assembly

358907, 369 43, 369 47, 369219, H04N 576, G11B 2100

Patent

active

044829922

ABSTRACT:
A skip/arm servo system for a video disc player comprises a device adapted to skip a signal sensing element, such as a stylus for detection of information recorded on a disc, in a direction crossing a recording track, a stylus position detector adapted to detect the relative position of the stylus to a cartridge movably mounting the stylus, a comparator comparing the detected relative position with a reference relative position to produce an error output, a cartridge driver responsive to the error output to move the cartridge so as to maintain the stylus in the reference relative position. A setting device is adapted to variably set the reference relative position in accordance with a reproduction mode selected by the operator, whereby a special mode reproduction can readily be accomplished or the stylus can be readily released from a locked groove in the disc.

REFERENCES:
patent: 4262174 (1981-04-01), Bleazey
patent: 4310914 (1982-01-01), Riddle

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