| 摘要 |
PROBLEM TO BE SOLVED: To use two personal computer main bodies with one display, one USB keyboard, and other USB peripheral devices. SOLUTION: The display device 10 is equipped with a video signal switching device 11 which switches and sends video signals from two personal computers to a display part 14, a USB signal switching device 12 which switches and sends USB signals inputted from the two personal computers to a USB hub 15, and a switching device control part 13 which puts the video signal switching device 11 and USB signal switching device 12 under the control of a USB keyboard 17. The video signal and USB signal from the same personal computer are switched at the same time and sent to the display part 14 and USB hub 15 in the display through operation on the USB keyboard 17.
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