发明名称 |
Image forming apparatus including rotary member speed detection mechanism |
摘要 |
An image forming apparatus including a rotary member having an image formation area, and a scale located at a position outside of the image formation area and on an inner circumference of the rotary member. Also included is a drive device configured to drive the rotary member, a developing device configured to develop an image on the image formation area of the rotary member, and a transfer device configured to transfer the image on the image formation area to a recording sheet. Further included is a sensor configured to detect the scale on the rotary member and to output a signal corresponding to the detection of the scale.
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申请公布号 |
US6947693(B2) |
申请公布日期 |
2005.09.20 |
申请号 |
US20030456469 |
申请日期 |
2003.06.09 |
申请人 |
RICOH COMPANY, LTD. |
发明人 |
KAMIYA TAKUROH;TAKIGAWA JUNYA;SAKAI YOSHIHIRO;KAWAGOE KATSUYA;MIMBU RYUUICHI;ANDOH TOSHIYUKI;KUDO KOICHI |
分类号 |
G03G21/14;G03G15/00;G03G15/16;(IPC1-7):G03G15/01 |
主分类号 |
G03G21/14 |
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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