Xiangsheng color ultrasound keyboard failure

Bad contact. Xiangsheng's color ultrasound keyboard failure is caused by poor contact, you can re-wipe the usb interface can be. Usually consists of a probe (phased array, line array, convex array, mechanical fan scanning, three-dimensional probe, endoscopic probe, etc.), ultrasound transmitter/receiver circuit, signal processing and image display. The use of ultrasound Doppler technology and ultrasound echo principle, at the same time for the acquisition of blood flow movement, tissue movement information and human organs and tissues imaging equipment.