| 发明名称 | Timepiece | ||
| 摘要 | A timepiece includes a dial plate and a solar battery which is disposed on a rear surface side of the dial plate. The dial plate has an area larger than the solar battery. The solar battery is encompassed by the dial plate in a planar view. The dial plate is provided with grooves or ridges which have a function of condensing incident light. | ||
| 申请公布号 | US9063516(B2) | 申请公布日期 | 2015.06.23 |
| 申请号 | US201313767470 | 申请日期 | 2013.02.14 |
| 申请人 | Seiko Epson Corporation | 发明人 | Oshio Takumi |
| 分类号 | G04C10/02;H01L31/02;H01L31/04;H01L31/0236;H01L31/048 | 主分类号 | G04C10/02 |
| 代理机构 | Global IP Counselors, LLP | 代理人 | Global IP Counselors, LLP |
| 主权项 | 1. A timepiece comprising: a dial plate; and a solar battery which is disposed on a rear surface side of the dial plate, wherein the dial plate has an area larger than the solar battery, the solar battery is encompassed by the dial plate in a planar view, the dial plate is provided with grooves which have a function of condensing incident light, and each of the grooves are defined between a radially inside surface and a radially outside surface, inclination angles of the radially inside surfaces with respect to a normal line of the dial plate decreasing as moving radially outwardly from a center of the dial plate, inclination angles of the radially outside surfaces with respect to the normal line of the dial plate being the same with respect to each other. | ||
| 地址 | Tokyo JP | ||