4-8 Product Principle
Figure 4-6 Schematic diagram of 4D&TEE module
4.2.6 ECG Module
ECG test and PCG test can be achieved on ECG module.
ECG module communicates with engine board via UART.
4.3 Ultrasound Back-end Unit
Taking PC module as the center, back-end unit is the platform of the ultrasound software system. It
takes charge of back-end’s central control. It also offers the calculation capacity for image
post-processing, user information storage, the display and the interaction, etc.