H - Electricity – 04 – N
Patent
H - Electricity
04
N
350/37
H04N 5/76 (2006.01) H04N 5/775 (2006.01) H04N 5/932 (2006.01)
Patent
CA 1083706
ABSTRACT OF THE DISCLOSURE A jitter correcting system in a video reproducing apparatus for reproducing a composite video signal of a given standard television system to be connected to a monitor television receiver including an automatic frequency control of a horizontal oscillator, comprising means for phase modulating the horizontal synchronizing signal of the reproduced composite video signal, by the amount associated with the phase difference between the composite video signal to be applied to the picture tube of the monitor television receiver and the output signal of the automatic frequency control of the monitor television receiver, for providing a modified composite video signal as phase modulated of the horizontal synchronizing signal, characterized in that said system further comprises means for generating a pseudo video composite signal including vertical and horizontal synchronizing signals and a marking signal in the video signal phase region wherein said horizontal synchronizing signal has been phase shifted as compared with that of the standard television system of said video reproducing apparatus for applying the said pseudo composite video signal through said jitter correcting system to said monitor television receiver, whereby said phase modulating means can be adjusted while the marking indication caused by said marking signal appearing on the screen of said picture tube is observed.
258943
Hashimoto Hiroyoshi
Takahara Ichiro
G. Ronald Bell & Associates
Sanyo Electric Co. Ltd.
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