| 摘要 |
<P>PROBLEM TO BE SOLVED: To easily find from a display that video signals separated into two channels or two systems are combined in an incorrect phase relationship. <P>SOLUTION: A video signal processor performs a combining process to superimpose a first marker signal on a first video signal component at a specific position and superimpose a second marker signal on a second video signal component at roughly the same position as the specific position. The condition of superimposition of the marker signals is controlled so that an image appears to indicate that the first and second marker signals are combined correctly when the first and second video signal components are combined in a correct phase relationship. Further, an image appears to indicate that both the marker signals are combined incorrectly if the first and second video signal components are combined in an incorrect phase relationship. <P>COPYRIGHT: (C)2011,JPO&INPIT |
