Illumination – Automatic substitution of power supply or light source
Reexamination Certificate
2004-12-27
2008-10-07
Alavi, Ali (Department: 2875)
Illumination
Automatic substitution of power supply or light source
C362S551000, C362S293000, C362S294000
Reexamination Certificate
active
07431467
ABSTRACT:
Crime scene lighting devices are used in forensic criminology for illumination and investigation at crime scenes using fluorescence excitation. High radiation powers are required both for white light in the so-called general search and for the criminologically relevant UVA-blue-green range. Moreover, it should be possible for the crime scene investigator to use the forensic lighting device portably and independent from the public power supply. The present disclosure relates to a suitable crime scene light device with a mercury ultra high pressure lamp as the light source, a light guide and terminals for operating the lamp selectively with an accumulator or the public power supply system. A suitable carrier bag, a so-called lorgnette with various longpass filters and a cross-section converter for visualizing shoeprints form useful accessories of the forensic lighting device.
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Dünkel Klaus T.
Nath Günther
Alavi Ali
Barnes & Thornburg LLP
Nath Gunther
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