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发明授权
US07313067B2 Recording-medium identification device and method using light sensor to detect recording medium type 有权
记录介质识别装置和使用光传感器检测记录介质类型的方法

Recording-medium identification device and method using light sensor to detect recording medium type
摘要：
A recording-medium identification device has a light-emitting element for applying light on the recording medium and a detection element for detecting diffusely reflected light reflected in a backward direction, that is, a direction opposite to the direction in which the applied light is made incident, the diffusely reflected light being part of the applied light that is scattered and reflected on the recording medium.
摘要（中）：

记录介质识别装置具有用于在记录介质上施加光的发光元件和用于检测沿向后方向反射的漫反射光的检测元件，即，与施加光的方向相反的方向 入射时，作为被记录介质上散射和反射的被施加光的一部分的漫反射光。

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