Information recording disc and information signal recording appa

Details Information recording disc and information signal recording appa Information recording disc and information signal recording appa

1986-10-09

1989-01-31

Perkey, W. B.

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

309 44, 309 47, 358342, 358326, G11B 7013, H04N 989, H04N 584

Patent

active

048021598

ABSTRACT:
An information recording disc has a control signal such as an address signal pre-recorded on a guide track which is pre-formed on the information recording disc at a position different from a track position where an information signal is to be recorded. An information signal recording apparatus for recording the information signal on such an information recording disc controls a rotation frequency of the information recording disc to a constant rotation frequency by locking a horizontal synchronizing signal within a composite video signal to edges of pulses reproduced from the guide track, and the information signal is recorded on the information recording disc so that a recording interval of the control signal is positioned within a vertical blanking period of the information signal at least including the composite video signal.

REFERENCES:
patent: 4296491 (1981-10-01), Jerome
patent: 4426693 (1984-01-01), Satoh et al.
patent: 4638376 (1987-01-01), Sugiyama et al.

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