发明授权
US08958445B2 DC-coupled laser drive circuit and method for driving laser diode device
有权
直流耦合激光驱动电路及驱动激光二极管器件的方法
- 专利标题: DC-coupled laser drive circuit and method for driving laser diode device
- 专利标题(中): 直流耦合激光驱动电路及驱动激光二极管器件的方法
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申请号: US13855419申请日: 2013-04-02
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公开(公告)号: US08958445B2公开(公告)日: 2015-02-17
- 发明人: Tatsuo Kubo
- 申请人: Fujikura Ltd.
- 申请人地址: JP Tokyo
- 专利权人: Fujikura Ltd.
- 当前专利权人: Fujikura Ltd.
- 当前专利权人地址: JP Tokyo
- 代理机构: Sughrue Mion, PLLC
- 优先权: JP2012-013544 20120125
- 主分类号: H01S5/026
- IPC分类号: H01S5/026 ; H01S5/042 ; H01S5/068
摘要:
A DC-coupled laser drive circuit (1) includes (i) a voltage drop section (14) provided between a power source and a pre-driver (12) and (ii) a voltage drop amount controlling section (16) for controlling, according to an output of the pre-driver (12), an amount of a voltage drop in the voltage drop section (14).
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