H - Electricity – 04 – N
Patent
H - Electricity
04
N
352/18, 350/38
H04N 9/80 (2006.01) H04N 9/84 (2006.01)
Patent
CA 1192996
ABSTRACT OF THE DISCLOSURE Disclosed is a color video signal recording apparatus wherein the chrominance signal and the luminance signal are separated from the composite color video signal, the luminance signal is transformed into a frequency modulation signal and the chrominance signal is converted to have a lower frequency so that both reformed signals are recorded on a frequency multiplex basis on a recording medium. In processing a TV signal of CCIR system, the chrominance signal is controlled to have a frequency of 3/8 N-fH (where N is an odd number) and have its phase shifted by 90° in every horizontal scanning period; in processing a TV signal of NTSC system, the chrominance signal is controlled to have a frequency of 3/8 N-fH (where N is an integer) and have its phase shifted by 90° or 180° in every horizontal scanning period, while the control being made such that 1/4 N is an integer in case of 90° phase shift or (3N-2)/4 is an integer in case of 180° phase shift.
414756
Kojima Noboru
Kuroyanagi Tomomitsu
Shibata Akira
Gowling Lafleur Henderson Llp
Hitachi Ltd.
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