| 发明名称 | Light distribution control method and light distribution control device for a vehicular headlamp | ||
| 摘要 | The invention relates to a light distribution control method and a light distribution control device in which plural illumination regions are arranged in the left-right direction and illuminated by a headlamp in an ADB light distribution pattern, and vehicle positions of a vehicle ahead are detected and selected ones of the plural illumination regions are reduced in light quantity according to the detected vehicle positions. In this method and device, corrected vehicle positions are set that are obtained by adding margins to the detected vehicle positions in the left and right directions, respectively, and compared with the plural illumination regions. Illumination regions where the vehicle ahead exists are reduced in light quantity. | ||
| 申请公布号 | US9550448(B2) | 申请公布日期 | 2017.01.24 |
| 申请号 | US201414903773 | 申请日期 | 2014.07.09 |
| 申请人 | KOITO MANUFACTURING CO., LTD. | 发明人 | Tanaka Hidetada;Masuda Takeshi;Komatsu Motohiro;Muramatsu Takao |
| 分类号 | B60Q1/02;B60Q1/14;F21S8/10;B60Q1/38 | 主分类号 | B60Q1/02 |
| 代理机构 | Sughrue Mion, PLLC | 代理人 | Sughrue Mion, PLLC |
| 主权项 | 1. A light distribution control method for a vehicular headlamp in which plural illumination regions are arranged in the left-right direction and illuminated by a headlamp in a desired light distribution pattern, and vehicle positions of a vehicle ahead are detected and selected ones of the plural illumination regions are reduced in light quantity according to the detected vehicle positions, wherein: corrected vehicle positions are set that are obtained by adding margins to the detected vehicle positions in the left and right directions, respectively, illumination regions where the vehicle ahead exists are detected on the basis of the corrected vehicle positions, and the detected illumination regions are reduced in light quantity. | ||
| 地址 | Tokyo JP | ||