Invention Grant
US08767029B2 Light source device, optical scanning device, and image forming apparatus 有权
光源装置,光学扫描装置和图像形成装置

Light source device, optical scanning device, and image forming apparatus
Abstract:
In a light source device including an aperture member that regulates a light beam, |(Pap1−Pap2)/Pap2|
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