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

1988-11-17

1989-09-05

Perkey, W. B.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358323, 358338, 358342, 369 47, H04N 989, H04N 595, H04N 576, G11B 1552

Patent

active

048644234

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 dics 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: 4015285 (1977-03-01), Romeas
patent: 4296491 (1981-10-01), Jerome
patent: 4422104 (1983-12-01), Fujishima
patent: 4426693 (1984-01-01), Satoh et al.
patent: 4432021 (1984-02-01), Kaneoko
patent: 4638375 (1987-01-01), Motoyama
patent: 4638376 (1987-01-01), Sugiyama et al.
patent: 4803677 (1989-02-01), Yamaguchi et al.

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