QUINTESSENCE

SOFTWARE FOR CONTROLLING AND REGULATING LIGHTING ENGINEERING APPARATUS AND INSTALLATIONS; LIGHT-CONTROL AND REGULATING APPARATUS, NAMELY, [ ELECTRIC LIGHT DIMMERS, ] LIGHTING CONTROL PANELS, [ TIMERS FOR LIGHTS, ] ELECTRICAL LIGHT CONTROLLERS [, TRANSMITTERS OF ELECTRONIC SIGNALS; ELECTRICAL TRACKS FOR LIGHT FITTINGS, NAMELY, POWER RAILS FOR MOUNTING TRACK LIGHTING FIXTURES; ILLUMINATED SIGNS, namely, LUMINOUS SIGNS ]

LIGHTING APPARATUS AND PARTS THEREFOR, NAMELY, ELECTRIC LIGHTING FIXTURES AND PARTS THEREFOR

PLANNING OF LIGHTING ENGINEERING INSTALLATIONS, NAMELY, TECHNICAL PLANNING OF LIGHTING ENGINEERING INSTALLATIONS AND OBJECT-RELATED LIGHTING ENGINEERING INSTALLATIONS; SCIENTIFIC RESEARCH IN THE NATURE OF CONDUCTING LIGHT CALCULATIONS AND SIMULATING LIGHTING SITUATIONS IN THE FIELD OF LIGHTING ENGINEERING; DESIGN OF LIGHTING ENGINEERING INSTALLATIONS; SOFTWARE DESIGN AND DEVELOPMENT FOR USE IN DATA PROCESSING IN THE FIELD OF LIGHTING ENGINEERING