| 发明名称 | Image forming apparatus and control method | ||
| 摘要 | An image forming apparatus, which operates in a normal mode or a power saving mode, includes a user interface, a first supply unit configured to supply power in the power saving mode, a second supply unit configured to supply power in the normal mode and supply no power in the power saving mode, a detection unit configured to detect abnormality of the second supply unit, and a control unit configured to perform control to supply power from the second supply unit to the user interface when the detection unit does not detect abnormality of the second supply unit and to start power supply from the first supply unit to the user interface when the detection unit detects abnormality of the second supply unit. | ||
| 申请公布号 | US8914655(B2) | 申请公布日期 | 2014.12.16 |
| 申请号 | US201113098623 | 申请日期 | 2011.05.02 |
| 申请人 | Canon Kabushiki Kaisha | 发明人 | Shimizu Koji |
| 分类号 | G06F1/32;G06F11/30;G06F1/26;G06F3/12;H04N1/00;G06F1/30 | 主分类号 | G06F1/32 |
| 代理机构 | Canon USA, Inc. IP Division | 代理人 | Canon USA, Inc. IP Division |
| 主权项 | 1. An image forming apparatus which operates in a normal mode or a power saving mode comprising: a memory; a user interface; a first supply unit configured to supply power in the power saving mode; a second supply unit configured to supply power in the normal mode and supply no power in the power saving mode; a detection unit configured to detect abnormality of the second supply unit; and a control unit configured to perform control to supply power from the first supply unit to the memory and to supply power from the second supply unit to the user interface when the detection unit does not detect abnormality of the second supply unit, and, to stop power supply from the first supply unit to the memory and to start power supply from the first supply unit to the user interface, when the detection unit detects abnormality of the second supply unit. | ||
| 地址 | Tokyo JP | ||