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LED display screen controllers
Control unit: computer, VPU, SPU, DDU
Brightness detector & control division: photo sensor
Signal transmission from SPU to DDU: fiber cable
Software: windows system
Data source: text, pictures, animation, .AVI,.BMP film; VCR, DVD, Video, real-time play via video camera
Operation temperature: -10°C to 50°C
Operation humidity: 10 to 99%R.H.

 
 VIDEO PROCESSING UNIT,Video processor
 
Introduction :
 • Users can play programs directly via DVD player, video player, video camera and PCs.
 • Able to supply image files; e.g. NTSC, PAL and SECAM.
 • There is no need to have switch port via PC or multimedia. Offers six kinds of image input; e.g. S-Video, DVI, CVBS, SDI, SYNC, RGB(PR/Y/PB), 1080i.
 • All output signals are in digital format.
 
SIGNAL PROCESSING UNIT
 
Introduction :
 • Receives the digital video signal from the VPU and processes it in either normal, or virtual pixel mode.
 • Data is transferred via fiber optic cable to DDU and all signals are stored in digital format.
 
 DATA DISTRIBUTION UNIT
 
Introduction :
 • Receives organized images or text from signal processing unit and onto LED display.
 • Data is transferred via fiber optic cable and all signals are stored in digital format.
 
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