| 摘要 |
A video-signal processing device is connectable to an electronic endoscope for feeding at least one kind of electric analog video signal from the electronic endoscope to a peripheral equipment. The video-signal processing device has a photo-coupler or a transformer coupler for making it possible to input the electric analog color video signal from the electronic endoscope to the video-signal processing device, whereby the electronic endoscope is electrically insulated from the peripheral equipment for an electrical security. Also, the video-signal processing device has an analog-to-digital converter for converting the electric analog video signal into a parallel electric digital video signal, a parallel-to-serial converter for converting the parallel electric digital video signal into a serial electric digital video signal, and an electrical-optical converter for converting the serial electric digital video signal into a serial optical digital video signal.
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