Optical disc player

Details Optical disc player Optical disc player

1982-08-30

1985-05-21

Richardson, Robert L.

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

369 54, 369107, 369124, H04N 576, G11B 700

Patent

active

045190585

ABSTRACT:
An optical disc player comprises a rotating member for rotating the optical disc, an optical pickup member for reproducing a digital audio signal including an error correcting code such as the Reed-Solomon Code from the disc, an error correcting decoder for decoding the error correcting code so as to produce a corrected or interpolated digital audio signal and condition flag data indicating the correction of the digital audio signal, and a display for indicating the condition flag data as a stain or contamination condition of the disc.

REFERENCES:
patent: 4308557 (1981-12-01), Dieterich
patent: 4309721 (1982-01-01), Christopher

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