发明名称 |
Ink level gauging in inkjet printing |
摘要 |
The gauging method generally follows a drop count approach to ink level gauging while making more precise the relationship between the expelled-drop count and the weight of ink actually expelled, thereby to provide more accurate ink level gauging. The printhead temperature is monitored as each swath of an image is printed. Moreover, temperature variations that occur within each swath are noted so that the corresponding intra-swath variations in drop weight are factored into the calculation of a net ink drop weight that more closely approximates the drop weight actually ejected. The method also factors in the effect that printing frequency has on drop weight.
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申请公布号 |
US6431673(B1) |
申请公布日期 |
2002.08.13 |
申请号 |
US20000655180 |
申请日期 |
2000.09.05 |
申请人 |
HEWLETT-PACKARD COMPANY |
发明人 |
HEIM RORY A.;CASTLE STEVEN T. |
分类号 |
B41J2/05;B41J2/175;(IPC1-7):B41J2/795;B41J29/38;B41J29/393 |
主分类号 |
B41J2/05 |
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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