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US5754576A Semiconductor laser control apparatus and image forming apparatus using the same 失效
半导体激光控制装置及使用其的成像装置

Semiconductor laser control apparatus and image forming apparatus using
the same
摘要:
An apparatus using a semiconductor laser comprises a measuring unit for measuring a slope efficiency of the semiconductor laser; a determination unit for determining whether or not the measurement value reaches a specified value; and a notification unit for notifying the determination result of said determination unit.
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