| 摘要 |
<p>PURPOSE:To eliminate feeling of disorder by synchronizing the timing of light emission of a discharge lamp bulb and a halogen bulb at the time of lighting a main lamp and passing. CONSTITUTION:A lamp unit has a halogen bulb 3 for main beam and a discharge lamp bulb 2 for low beam. Lighting of the lamp unit is controlled by a control unit 4 as a lighting control means, and at the time of dimmer lighting, a discharge lamp bulb 2 is lighted, and at the time of lighting and passing a main lamp, the discharge lamp bulb 2 is lighted and while the lighting of the discharge lamp bulb 2 is detected to light a halogen lamp 3 with a predetermined time delay.</p> |
