Light emission output controller for laser diode
文献类型：专利
| 作者 | YAMANOBE KOJI |
| 发表日期 | 1991-03-13 |
| 专利号 | JP1991058065A |
| 著作权人 | RICOH CO LTD |
| 国家 | 日本 |
| 文献子类 | 发明申请 |
| 其他题名 | Light emission output controller for laser diode |
| 英文摘要 | PURPOSE:To stabilize the light emission output of a laser diode speedily by controlling the light emission output roughly and then switching the control to fine control. CONSTITUTION:When a print start command is inputted, the up/down counter of a CPU 31 counts down by two at each time and outputs its counted value to a digital-analog converter 33 to supply a current to the laser diode gradually. As the diode 41 emits light, the output of an operational amplifier 36 falls to the minus side. When the light emission output exceeds a specific value, a comparator output is inverted from high level to low level and the next counter value of the converter 33 is counted up by one. The light emission output, therefore, decreases by 1LSB and when the comparator output varies from the low level to the high level, the output is increased again by 1LSB. |
| 公开日期 | 1991-03-13 |
| 申请日期 | 1989-07-27 |
| 状态 | 失效 |
| 源URL | [http://ir.opt.ac.cn/handle/181661/59644]  |
| 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 | YAMANOBE KOJI. Light emission output controller for laser diode. JP1991058065A. 1991-03-13. |
入库方式： OAI收割
来源：西安光学精密机械研究所
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