Horizontal line data position and burst phase encoding apparatus

Details Horizontal line data position and burst phase encoding apparatus Horizontal line data position and burst phase encoding apparatus

1986-06-10

1987-09-22

Shepperd, John W.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 19, 328111, H04N 944

Patent

active

046958738

ABSTRACT:
Information related to the beginning of data and the phase of color burst on consecutive horizontal scan lines of a digital color television signal is encoded into a variable width pulse. A first transition of that pulse has a predetermined phase relationship with the beginning of data on each line. A second transition of the variable width pulse is formed by providing a delayed transition with respect to the first transition in a variable delay circuit. The second transition is delayed by different amounts of delay, each corresponding to a particular predetermined color burst phase on that particular line.

REFERENCES:
patent: 2892882 (1959-06-01), Hughes
patent: 3543054 (1970-11-01), Schrader
patent: 4272690 (1981-06-01), Riney et al.
patent: 4339770 (1982-07-01), Dennison et al.
patent: 4400717 (1983-08-01), Southworth et al.
patent: 4531147 (1985-07-01), Kouyama

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