H - Electricity – 04 – N
Patent
H - Electricity
04
N
352/18
H04N 9/82 (2006.01) H04N 5/923 (2006.01) H04N 9/793 (2006.01) H04N 9/83 (2006.01) H04N 9/84 (2006.01) H04N 9/898 (2006.01)
Patent
CA 1201804
ABSTRACT OF THE DISCLOSURE A chroma signal recording and reproducing circuit of a magnetic recording and reproducing apparatus having a recording circuit for frequency-modulating a luminance signal of a color video signal, low-frequency converting a chroma signal and frequency-multiplexing those signals for recording and a reproducing circuit for frequency-converting the low-frequency converted chroma signal in a reproduced signal and frequency-demodulating the FM luminance signal to reproduce a color video signal is disclosed. The circuit comprises a chroma signal recording circuit including a first ACC circuit and a first frequency converter connected to the first ACC circuit, and a chroma signal reproducing circuit including a second ACC circuit, a second frequency converter connected to the second ACC circuit, a comb filter connected to the second frequency converter and a deemphasis circuit connected to the comb filter.
416961
Kojima Noboru
Komatsu Keiichi
Shibata Akira
Gowling Lafleur Henderson Llp
Hitachi Ltd.
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