The reflected rays of your original as shown in the above figure pass through the lens and
create an image on the CCD (Charged Coupled Device). Then, according to the different
light intensity perceived by the CCD, the CCD will transfer these data into a series of
analog signals to the main board, where the signals are turned into digital signals. The
digital signals flow to the image processor and store into the CPU (Central Processing
Unit). Through the commands from the Panel, the digital signals may goes to 4939
Controller to RJ-45 to the SMTP or filing server to send an email or store an image via
entherne , or to remote printer to make digital copy via enthernet, as well as allow to usb
flash drive or CF card ( removable storage) through usb host.
4.2 Main Control Unit
4.2.1 System Diagram
The following shows the system block diagram.
Figure 4.2 Product System Block Diagram
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