发明名称 ENCODER SENSOR AND IMAGE FORMING APPARATUS INCLUDING THE ENCODER SENSOR
摘要 An encoder sensor for reading plural slits of an encoder scale includes a light emitting part configured to emit light and a light receiving part configured to receive the light emitted from the light emitting part. The light emitting part is configured to emit the light from plural areas arranged in a direction orthogonal to a direction in which the plural slits are arranged.
申请公布号 US2011193930(A1) 申请公布日期 2011.08.11
申请号 US201113014333 申请日期 2011.01.26
申请人 RICOH COMPANY, LTD. 发明人 OGURA YOSHIMITSU
分类号 B41J2/435;G01D5/34 主分类号 B41J2/435
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