H - Electricity – 04 – N
Patent
H - Electricity
04
N
350/1
H04N 17/02 (2006.01)
Patent
CA 1213356
-9- SUBCARRIER/HORIZONTAL PHASE MEASUREMENT Abstract of the Disclosure Signals suitable for displaying the phase rela- tionship between the subcarrier wave and the hori- zontal sync pulse of a composite video signal are provided by establishing coincidence between the d.c. level of the 50 percent point of the sync pulse and the zero crossing point of the subcarrier wave, and generating a reference voltage level at the d.c. level of the 50 percent point of the sync pulse. (Fig. 3)
453955
Kirby Eades Gale Baker
Tektronix Inc.
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