Disc reproducing apparatus

Details Disc reproducing apparatus Disc reproducing apparatus

1986-12-09

1989-04-25

Salce, Patrick R.

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

369 59, G11B 700

Patent

active

048254312

ABSTRACT:
A disc reproducing apparatus of the type having information prerecorded in the form of pits or other discrete indicia on tracks on a rotating record wherein the track access time of the information playback transducer can be increased by simultaneously increasing the rotational speed of the record from the speed normally employed during playback of the recorded information and selectively filtering out the pit component at a lower time constant when the record is rotated at such higher speed.

REFERENCES:
patent: 4321635 (1982-03-01), Tsuyuguchi
patent: 4370679 (1933-01-01), Ceshkovsky et al.
patent: 4390977 (1983-06-01), Onigata et al.
patent: 4397011 (1983-08-01), Ogawa
patent: 4646280 (1987-02-01), Toyosawa

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