F - Mech Eng,Light,Heat,Weapons – 21 – V
Patent
F - Mech Eng,Light,Heat,Weapons
21
V
240/88
F21V 9/16 (2006.01) G07D 7/00 (2006.01) G07D 7/12 (2006.01)
Patent
CA 1240964
ABSTRACT Process and apparatus for checking the authenticity of valuable documents by subjecting the document to be checked in a closed room to at least incident light, transmitted light and floodlight, especially floodlight at angles of 0° to 15°. An apparatus is described with document examination places without relative interference of the different types of radiation.
448758
Janus Cornelis D.
Wielenga Alle
Fetherstonhaugh & Co.
Jadrimex Automation Group B.v.
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