| 摘要 |
<p>A special purpose lamp (12) (SPL) and a socket (14) therefore, the SPL (12) having a light source (16), a base (18) connected to the light source. The base (18) has electrical connectors (20) and a negative key (22). The socket (14) includes a pocket (23) for receiving the base (18), receptors (24) for receiving the electrical connectors (20) and a positive keyway (26) for receiving the negative key (22). In a preferred embodiment, the base (18) has a portion (18a) that is substantially rectangular in cross-section and the negative key (22) is associated with a corner (18b) of the portion (18a). Lamps so constructed can fit older sockets while older lamps will not fit the sockets of the invention.</p> |
