Video switching display circuit and ultrasonic medical device

Abstract

This utility model discloses a video switching display circuit and an ultrasound medical device, relating to the field of ultrasound technology. The circuit includes: a processor, a video separation and conversion circuit, a display switching circuit, a first display interface, and a second display interface. The hot-plug detection pin of the first display interface is connected to the switching control terminal of the display switching circuit. The common terminal connecting the communication terminal of the display switching circuit and the communication pin of the first display interface is connected to the communication terminal of the processor. The video output terminal of the processor is connected to the video input terminals of the first and second display interfaces respectively through the video separation and conversion circuit. Even when only the second display interface, which does not support hot-plug detection, is connected to a display, the processor can still utilize the preset display information in the memory of the display switching circuit to output video data to the connected display through the second display interface, thus improving the applicability of the ultrasound medical device.

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