| 发明名称 | Drive circuit for printing apparatus, light-emitting element unit, and printing apparatus | ||
| 摘要 | A drive circuit for a printing apparatus includes a first driver arranged on an electrical path from a first current supply unit to a first connection portion for a light-emitting element, a second driver arranged on an electrical path from a second current supply unit to the first connection portion, a third driver arranged on an electrical path from the second current supply unit to a second connection portion for a light-emitting element, and a switch unit configured to selectively connect the second current supply unit to one of the second driver and the third driver and disconnect the connection between the second current supply unit and the other of the second driver and the third driver when the second current supply unit is connected to the one of the second driver and the third driver. | ||
| 申请公布号 | US9459552(B2) | 申请公布日期 | 2016.10.04 |
| 申请号 | US201614993893 | 申请日期 | 2016.01.12 |
| 申请人 | CANON KABUSHIKI KAISHA | 发明人 | Endo Wataru |
| 分类号 | G03G15/04;G03G15/00;G03G15/043 | 主分类号 | G03G15/04 |
| 代理机构 | Fitzpatrick, Cella, Harper and Scinto | 代理人 | Fitzpatrick, Cella, Harper and Scinto |
| 主权项 | 1. A drive circuit for a printing apparatus, comprising: a first driver arranged on an electrical path from a first current supply unit to a first connection portion for a light-emitting element; a second driver arranged on an electrical path from a second current supply unit to the first connection portion; a third driver arranged on an electrical path from the second current supply unit to a second connection portion for a light-emitting element; and a switch unit configured to selectively connect the second current supply unit to one of the second driver and the third driver and disconnect the connection between the second current supply unit and the other of the second driver and the third driver when the second current supply unit is connected to the one of the second driver and the third driver. | ||
| 地址 | Tokyo JP | ||