Record carrier on which a television signal is stored

Details Record carrier on which a television signal is stored Record carrier on which a television signal is stored

1974-12-06

1976-06-08

Griffin, Robert L.

Facsimile and static presentation processing

Static presentation processing

Attribute control

178 66R, 1791003V, H04N 576, H04N 900

Patent

active

039627209

ABSTRACT:
A record carrier is described in which a television signal is stored in an optically readable information structure of trackwise arranged areas alternating with intermediate areas. The tracks exhibit an undulation. The luminance information is contained in the spatial frequency of the areas and the other information, for example chrominance and sound information, in the variation of the undulation. The luminance information and the other information can be read independently by means of a suitable detector arrangement.

REFERENCES:
patent: 3530258 (1970-09-01), Gregg et al.
patent: 3624284 (1971-11-01), Russell
patent: 3876842 (1975-04-01), Bouwhuis

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