The invention relates to a lighting installation, in particular as a danger light, obstruction light or day and night marker, having at least one luminaire, with at least one lighting means (13) being arranged in a housing. According to the invention, the lighting means (13) is annular or semi-annular...http://www.google.fr/patents/US6554441?utm_source=gb-gplus-shareBrevet US6554441 - Lighting installation, in particular as a danger light, and wind rotor installation with lighting installation
Lighting installation, in particular as a danger light, and wind rotor ...
