Detecting faults in glass especially flat glass using laser beam for scanning glass
DE19813072A1
Method and device for determining the optical quality and for detecting defects in flat glass and other optically transparent materials
DE19813073A1
Method and device for determining the optical quality and for detecting defects in flat glass and other optically transparent materials, in particular drips, threads and lines
DE19614895A1
Profile test system using optical scatter from surface being tested
DE19614185A1
Marking system for fast moving strip materials
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Lighting device with metal halide lamps
DE19533042A1
Obtaining equal intensity output signals from video cameras
DE19533041A1
Method for detecting flaws during manufacture of transparent sheet
DE19533043A1
Method for revealing optically distorting flaws in transparent sheet
DE4426228A1
Safety monitoring of endfaces of paper rolls for transport with vacuum lifters
DE4232538A1
Testing moving, opaque material paths for the presence of holes - detecting light passing through material from transmitting to reception diodes
DE4232550A1
Measuring sizes of defects, esp. holes in materials - detecting pulsed light of varying intensity passing through or reflected by material
DE3713279A1
Process for the detection of dimensional errors and / or the distortion of paper webs or format papers
