Semiconductor laser driving method
文献类型：专利
| 作者 | TAKEYAMA YOSHINOBU |
| 发表日期 | 1991-05-09 |
| 专利号 | JP1991109586A |
| 著作权人 | RICOH CO LTD |
| 国家 | 日本 |
| 文献子类 | 发明申请 |
| 其他题名 | Semiconductor laser driving method |
| 英文摘要 | PURPOSE:To prevent the deterioration of a semiconductor laser by maximizing the output value of an up-down counter, controlling a driving circuit by means of a control circuit, and minimizing a driving current, when a power source is turned on. CONSTITUTION:The output value of the up-down counter 7 is maximized, the driving circuit 2 is controlled by the control circuit 10, and the driving current Iop is minimized, when the power source is turned on. Desirably, the output value of the up-down counter 7 is discriminated. When this output value is maximum or minimum, display means 23 and 25 display the fact that the semiconductor laser 1 is abnormal, and when the output value is maximum, a counting action is stopped. Thus, the semiconductor laser 1 is prevented from being deteriorated caused by an over-current and is controlled so as to obtain a desired light output. |
| 公开日期 | 1991-05-09 |
| 申请日期 | 1989-09-25 |
| 状态 | 失效 |
| 源URL | [http://ir.opt.ac.cn/handle/181661/69070]  |
| 专题 | 半导体激光器专利数据库 |
| 作者单位 | RICOH CO LTD |
| 推荐引用方式 GB/T 7714 | TAKEYAMA YOSHINOBU. Semiconductor laser driving method. JP1991109586A. 1991-05-09. |
入库方式： OAI收割
来源：西安光学精密机械研究所
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