Vertical interval signal encoding under SMPTE control

Details Vertical interval signal encoding under SMPTE control Vertical interval signal encoding under SMPTE control

1982-07-26

1986-01-28

Faber, Alan

Facsimile and static presentation processing

Facsimile

Recording apparatus

360 722, 360 331, 360 371, 360 141, 358147, 369 32, H04N 592

Patent

active

045675317

ABSTRACT:
A method and means for vertical interval encoding of a program signal having at least a video program portion with sequential fields separated by vertical intervals, the program signal having associated therewith sequential field related identification code signals, wherein a desired field related identification code at which encoding of the program signal is to commence is selected. Continuously recurring vertical interval code signals are generated at predetermined intervals corresponding to like intervals between groups of fields, for example two or three, of the program signal. The identification code associated with the program signal is then compared with the selected identification code, and upon the occurrence of a match of identification codes, the composite video program signal is signal-mixed with the vertical interval code signal in timed relationship so as to insert the vertical interval code signal in corresponding vertical intervals of the program signal.

REFERENCES:
patent: 4115819 (1978-09-01), Shigeta
patent: 4134130 (1979-01-01), Tachi
patent: 4214278 (1980-07-01), Hunt
patent: 4338629 (1982-07-01), Oprandis
patent: 4402018 (1983-08-01), Woda
patent: 4417285 (1983-11-01), Mes
patent: 4460927 (1984-07-01), Romeos

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