85326476
May 20, 2011
Apr 16, 2013
Light emitting diodes; light emitting diode indicator lights; light emitting diode displays; semiconductor power elements; semiconductor devices; sensors for the determination of temperatures, positions and distances; light sensors; electronic sensors for measuring solar radiation; motion detectors; fire and smoke detectors; metal detectors; electronic touch sensitive switches; electronic light controllers; electro-optical switches; illuminated exit signs
Electrical and Scientific Apparatus