| 摘要 |
<p>In a device for directing light longitudinally forwardly, the combination comprises a light source (101), a drum lens (104) having a body extending about the light source, for refracting light from the source; a light reflector (125) extending about the drum lens body for forwardly re-directing refracted light received from the drum lens body, the drum lens and reflector defining a longitudinally forwardly of the light source to refract light received from the source to be transmitted in a forward direction.</p> |
