Reflector system varying illumination position on painted surfaces to reveal polishing marks and holograms, employs mirror to change beam geometry
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Circuit arrangement for the emergency lighting
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Lighting supply circuit with continuous current circuit connected to emergency lighting lamps and switched current circuit connected to remaining lamps
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Light guide for deflecting light distributions
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Asymmetrical light unit for surface illumination, has planar aperture between tubular fluorescent light source and parabolic reflector parallel reflector axis
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Switching system for emergency lights for fire escape corridor in cinema or other public building is connected to lights in ceiling for illumination and indication of escape route
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Method for identifying and marking of defects on matt surfaces before painting by spraying defect sites with glossy liquid films
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Luminaire for sampling surfaces
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Escape sign lamp arrangement has light emitting diodes generally supplied with lower current when supplied by battery than during normal operation with power supplied from mains
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Room separation surface with controlled transparency by generation of light veil, forms undistorted vista between raster line surfaces or points
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Emergency exit path guidance line has illumination device for illuminating surface identical to light emission surface of light emission strip
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Filter coating for changing color of light reflected by long-persistence phosphorescent material has degree of spectral transmission with high transmissivity in radiated wavelength region
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Coating inspection device e.g. for motor vehicle, refrigerator, illuminates object and object is observed through spectacles with filter
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Advisory lighting fitting
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Illumination device with sheet-shaped light distribution for surface inspection
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Electrical installation for mains and stand-by power supply of safety lights
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Mounting device
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Evaluating physical measurement of surface colour differences involves measuring colour positions of reference, measurement surfaces, forming vector with colour difference-related length
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Indicator light, especially for use as rescue indicator light, has light plates or hollow bodies with sub-surfaces associated with different light sources radiating different color light into plates or bodies
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Device for measuring or visual matching of color or color effects on a surface element
