| 摘要 |
The invention refers to the field of optical signalling devices for vehicles and water-borne craft. More precisely, the invention refers to a device for providing an optical indication of a request for help or a signalling of the need for particular care and attention while proceeding, by means of a special sequenced lighting-up and turning-off of the lights of the vehicle or craft, or by means of the use of lights (1 and 14) of a special shape or equipped with bulbs (4) emitting light of a different colour to traditional lights. |
