Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1987-03-27
1988-09-06
Chin, Tommy P.
Facsimile and static presentation processing
Static presentation processing
Attribute control
358267, 358324, 358337, 455260, H04N 506, H04N 944
Patent
active
047696923
ABSTRACT:
The color burst of a first video signal is brought into a desired phase relationship with the color burst of a second video signal by generating a first number which is representative of the phase relationship between the burst of the second video signal and a calibration reference signal and generating a second number which is representative of the phase relationship between the burst of the first video signal and the calibration reference signal. The second number is compared with the first number, and the phase of the burst of the first video signal is adjusted automatically in a manner such as to achieve a predetermined relationship between the second number and the first number.
REFERENCES:
patent: 3860952 (1975-01-01), Tallent
patent: 4170023 (1979-10-01), Yamakoshi
patent: 4517587 (1985-05-01), Aizawa
patent: 4611239 (1986-09-01), Shanley
patent: 4626890 (1986-12-01), Ryan
patent: 4635097 (1987-01-01), Tatami
patent: 4680621 (1987-07-01), Baker
patent: 4688081 (1987-08-01), Furuhata
patent: 4691226 (1987-09-01), Freyberger
Chin Tommy P.
Gray Francis I.
Smith-Hill John
The Grass Valley Group Inc.
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