| 摘要 |
<p>A lock assembly including a locking cylinder having a keyhole into which a key can be inserted, a lighting system for dispersing light energy in the area of the keyhole, including an L.E.D. light source (56), and a battery operated circuit (58) for repeatedly operating the L.E.D. light source (56), with a selected "on" time followed by a selected "off" time.</p> |
