发明名称 METHOD AND APPARATUS FOR DETECTING TONER QUANTITY UPON PHOTOSENSITIVE ELEMENT
摘要 PURPOSE:To detect the quantity of toners upon a photosensitive element thereby to judge the density and deterioration of a developing agent by irradiating the photosensitive element after development with the light from above the toners to measure the current which leaks from that element at that time.
申请公布号 JPS5395044(A) 申请公布日期 1978.08.19
申请号 JP19770009466 申请日期 1977.01.31
申请人 RICOH KK 发明人 SAKAMOTO KOUJI;MIYAGAWA SEIICHI;TATSUMI SUSUMU
分类号 G03G15/08;G03G15/00;G03G21/00 主分类号 G03G15/08
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