Video signal reproducing apparatus

Details Video signal reproducing apparatus Video signal reproducing apparatus

H - Electricity

04

N

350/36, 352/18.4

H04N 9/79 (2006.01) H04N 5/783 (2006.01) H04N 5/93 (2006.01) H04N 7/01 (2006.01)

Patent

CA 1143468

ABSTRACT OF THE DISCLOSURE In a video signal reproducing apparatus for converting a first video signal having a first field frequency to a second video signal having a second field frequency, there are provided a tape scanning device which is made movable in a direction perpendicular to the recording track on a tape, a system for controlling the speed of the scanning device, a system for controlling the shifting amount of the scanning device in the aforesaid direction according to the difference between the first and second field frequencies, and a system for converting the number of lines contained in one field of the first video signal. In the above converting system there is included a memory, and the first video signal is written in the memory and read out therefrom so that the predetermined number of lines of the first video signal are discarded or repeated so as to have the number of lines of the second video signal.

321514

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