Information recording disc with composite index codes and its pl

Details Information recording disc with composite index codes and its pl Information recording disc with composite index codes and its pl

1987-06-18

1989-06-27

Hix, L. T.

Facsimile and static presentation processing

Facsimile

Recording apparatus

360 721, 369 54, H04N 576

Patent

active

048434841

ABSTRACT:
An information recording disc having a first recording area carrying a digital signal, a second recording area carrying a frequency modulated video signal and a superimposed digital signal, the first and second recording areas respectively having a lead-in area in which index codes relating to the contents of each recording area and including identification information indicating the recording area to which each index code belongs are recorded mixedly. In playing such a recording disc, index codes read from the lead-in area are classified according to the recording area to which each index code belongs, and stored in corresponding memory areas of a memory device, so that the index codes stored in the memory area corresponding to a designated recording area can be retreived in a short time for playing information, and the playing operation is controlled by using the retrieved index codes.

REFERENCES:
patent: 4660100 (1987-04-01), Sugiyama et al.
patent: 4680647 (1987-07-01), Moriyama

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