| 发明名称 | Power supply device, power supply device control method, and image forming apparatus | ||
| 摘要 | According to an embodiments, a power supply device includes: a first voltage generator that operates to output a first voltage; a second voltage generator that operates to output a second voltage higher than the first voltage; a third voltage generator that, from the second voltage generated by the second voltage generator, operates to generate a third voltage equal to the first voltage and to output the third voltage therefrom; and a selector that operates to select as an output whichever has a higher voltage from the output of the first generator and the output of the second generator, wherein each of the output of the second voltage generator and the output selected by the selector are supplied to a load. | ||
| 申请公布号 | US8876234(B2) | 申请公布日期 | 2014.11.04 |
| 申请号 | US201213409663 | 申请日期 | 2012.03.01 |
| 申请人 | Ricoh Company, Limited | 发明人 | Kanzawa Tomokazu |
| 分类号 | B41J29/38 | 主分类号 | B41J29/38 |
| 代理机构 | Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P. | 代理人 | Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P. |
| 主权项 | 1. A power supply device, comprising: a first voltage generator that operates to output a first voltage; a second voltage generator that operates to output a second voltage higher than the first voltage; a third voltage generator that, from the second voltage generated by the second voltage generator, operates to generate a third voltage equal to the first voltage and to output the third voltage therefrom; and a selector that selects as an output whichever has a higher voltage from the output of the first generator and the output of the third generator, wherein each of the output of the second voltage generator and the output selected by the selector are supplied to a load. | ||
| 地址 | Tokyo JP | ||