发明名称 |
Semiconductor laser drive device and image forming apparatus incorporating same |
摘要 |
A semiconductor laser drive device includes a semiconductor-laser drive element to generate a drive current according to an input control signal to supply the drive current to a semiconductor laser, a control circuit to control the drive current by controlling the semiconductor-laser drive element, and a drive current detection circuit to detect a current value of the drive current supplied to the semiconductor laser and generate a digital control signal representing the detected digital value of the drive current to output. |
申请公布号 |
US8630324(B2) |
申请公布日期 |
2014.01.14 |
申请号 |
US201113173329 |
申请日期 |
2011.06.30 |
申请人 |
SUMINO DAIJIROH;KYOGOKU HIROAKI;RICOH COMPANY, LTD. |
发明人 |
SUMINO DAIJIROH;KYOGOKU HIROAKI |
分类号 |
H01S3/10;B41J2/435 |
主分类号 |
H01S3/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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