发明名称 |
Image formation apparatus and method thereof |
摘要 |
An image formation apparatus including first and second image formation sections each of which can form an image with at least two colors. A mark is provided on the intermediate transfer belt. This mark indicates a particular position on the belt. A belt mark sensor detects the mark on the belt. A timing instruction signal with which a timing of image formation is instructed to the first and second image formation sections is initialized each time the mark on the belt is detected.
|
申请公布号 |
US6222566(B1) |
申请公布日期 |
2001.04.24 |
申请号 |
US19990453489 |
申请日期 |
1999.12.03 |
申请人 |
RICOH COMPANY, LTD. |
发明人 |
TAKEYAMA YOSHINOBU;YANAGAWA NOBUYUKI |
分类号 |
B41J11/42;B41J21/00;B41J21/16;G03G15/00;G03G15/01;G03G15/16;G03G21/14;H04N1/50;(IPC1-7):B41J2/385;G01D15/06 |
主分类号 |
B41J11/42 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|