| 发明名称 | Lighting device | ||
| 摘要 | A lighting device includes a first light source having a first S/P ratio, a second light source having a second S/P ratio that is higher than the first S/P ratio, and a controller configured to performing dimming control of light output from the first and second light sources. The controller performs the dimming control separately on the first and second light sources at least under a snow covered condition. | ||
| 申请公布号 | US9084311(B2) | 申请公布日期 | 2015.07.14 |
| 申请号 | US201313939501 | 申请日期 | 2013.07.11 |
| 申请人 | PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. | 发明人 | Saito Takashi;Mori Toshihide;Tsukitani Ayako;Hamano Hiroshi;Takashima Akira;Yamazoe Kensuke;Wada Kouichi;Karasawa Yoshinori |
| 分类号 | G05F1/00;H05B37/02;H05B39/04;H05B41/36;H05B33/08 | 主分类号 | G05F1/00 |
| 代理机构 | Greenblum & Bernstein, P.L.C. | 代理人 | Greenblum & Bernstein, P.L.C. |
| 主权项 | 1. A lighting device comprising: a first light source having a first S/P ratio; a second light source having a second S/P ratio that is higher than the first S/P ratio; and a controller configured to perform dimming control of light output of the first light source and the second light source, wherein the controller performs the dimming control of light output of the second light source independently of the first light source at least under a snow covered condition. | ||
| 地址 | Osaka JP | ||