| 摘要 |
Luminous signaling device (10), comprising a box-like containing body, provided with an emission window (20) and at least a light source (25) contained in the box-like body, conformed to emit light uniformly in every direction through the emission window (20). The signaling device (10) comprises shutter means (30), associated with the emission window (20), so as to define one or more darkening directions, in which at least part of the light emitted by the light source (25) is intercepted. |
