Warning light device

A warning light device having a warning panel (25), for regulating traffic, attached in a vertical position near a rear of a motor vehicle and various traffic symbols being displayed on said warning panel (25) with controllable electric luminous elements, the warning light device comprising:

• said warning panel (25) having a controllable optical fiber display matrix (12), said matrix having a plurality of optical fiber bundles (50, 51) illuminated at one end by individually triggerable light sources (40-43) to define said various traffic symbols, and said optical fiber bundles (50, 51) at their opposite ends having free ends of individual optical fibers (29-32) near said optical fiber display matrix (12), said free ends terminating in positions to display said various traffic symbols (17, 18), said warning panel (25) being attached to a roof of and extending to said rear of said motor vehicle (14);
• at least one of an electric power supply system (11) of said motor vehicle (14) and a supplementary electric power pack (23) mounted in said motor vehicle (14) for supplying power to the warning light device (10), an operating panel (13) disposed near a dashboard of said motor vehicle (14) for switching the warning light device (10) on and off and for initiating displays of said various traffic symbols (17, 18) on said optical fiber display matrix (12);
• said operating panel (13), at least one of said electric power supply system (11) and said supplementary electric power pack (23), and said optical fiber display matrix (12) being connected through connecting cables (16, 19) installed within said motor vehicle (14);
• and
• a spoiler (214) pivotally attached to a rooftop stand construction, remote from a swivel shaft of a holder (202), said spoiler (214) covering said optical fiber display matrix (12) which is folded onto said roof both in an operating position and in a folded-down position, with a cross section of said spoiler (214) converging toward a front of said motor vehicle (14).