| 摘要 |
PURPOSE:To easily manufacture various bulbs different in illuminance, color rendering property, and directivity respectively. CONSTITUTION:Multiple exhaust bulbs 3a-3e selected among various cap-less exhaust bulbs different in illuminance, color rendering property, and directivity are fixed on one pedestal 1, and lead wires connected to filaments of multiple exhaust bulbs 3a-3e are electrically connected to one cap 8 fixed to the pedestal 1. Multiple exhaust bulbs can be practically handled as one bulb, and bulbs with various characteristics can be easily manufactured via the combination of selected exhaust bulbs. |
