Allied Vision Alvium Series - Shutter types affecting image readout

305Alvium USB Cameras User Guide V4.6.1
Performance and troubleshooting
Shutter types affecting image readout
Most Alvium USB camera models are operated using global shutter (GS):
Alvium 1800 U-500 and 1800 U-501 NIR models use rolling shutter (RS). Alvium
1800 U-1240 and 1800 U -2050 models offer global reset shutter (GRS) in addition:
Property Line readout Moving image
Global shutter (GS)
Property Rolling shutter (RS) Global reset shutter (GRS)
Line readout
Line exposure start Deferred from line to line Common for all lines
Line exposure time Common for all lines Increases from line to line
Image acquisition
of moving objects
Image brightness Constant over the image Varying over the image
Moving objects Distorted shape Shape without distortion
Typical application Static objects Moving objects
Compensation Use an additional mechanical shutter or use a strobe light:
Table 156: Shutter types affecting image readout
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Strobe area