| 摘要 |
A multichannel scanning method for M-PIP TV system capable of displaying a plurality of sub-pictures on a main picture is disclosed which includes a first step of initializing the system, a second step of selecting and memorizing image video sources outputting image signals, a third step of successively outputting the image signals to a plurality of positions of the sub-pictures, and a fourth step of terminating the system operation in response to a multichannel scanning termination command. According to the method of the present invention, a multichannel scanning can be automatically carried out, and there is no possibility that a channel having no image signals can be outputted. Especially, even in the case where the number of channels to be scanned is larger than that of the displayable number of sub-pictures, scannings for the total amount channels can be carried out without being subjected to any restriction.
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