发明名称 |
DEVELOPER AMOUNT DETECTOR, AND DEVELOPER CONTAINER, DEVELOPMENT DEVICE, AND IMAGE FORMING APPARATUS INCORPORATING SAME |
摘要 |
A development device includes a development housing, a first developer conveyance member, a developer bearer, and a developer amount detector to detect an amount of developer in the development housing. The developer amount detector includes a light-emitting element, a right-receiving element, a first light guide including a first end from which light enters and a second end disposed inside the development housing, and a second light guide including a first end positioned inside the development housing across a predetermined distance from the second end of the first light guide and a second end from which the light exits. The second end of the first light guide and the first end of the second light guide are arranged in an axial direction of the first developer conveyance member with a light transmission path therebetween partly inside a locus of rotation of the first developer conveyance member.
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申请公布号 |
US2012189327(A1) |
申请公布日期 |
2012.07.26 |
申请号 |
US201213352732 |
申请日期 |
2012.01.18 |
申请人 |
KUBOTA TOMOHIRO;NAKATAKE NAOKI;OOYOSHI HIROBUMI;YOSHIDA TOMOFUMI;SHIMIZU YOSHIYUKI;HAMADA MANABU;TSURITANI SHOH |
发明人 |
KUBOTA TOMOHIRO;NAKATAKE NAOKI;OOYOSHI HIROBUMI;YOSHIDA TOMOFUMI;SHIMIZU YOSHIYUKI;HAMADA MANABU;TSURITANI SHOH |
分类号 |
G03G15/08 |
主分类号 |
G03G15/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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