发明名称 |
Print head error checking apparatus and method |
摘要 |
Provided are a print head error checking apparatus and method in which the residual oscillation of a piezoelectric element corresponding to each nozzle of a print head is sensed, the sensed residual oscillation of each piezoelectric element and a predetermined residual oscillation of the piezoelectric element are compared to each other, and whether a print head normally operates is checked in consideration of the results of the comparisons.
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申请公布号 |
US7828406(B2) |
申请公布日期 |
2010.11.09 |
申请号 |
US20080060564 |
申请日期 |
2008.04.01 |
申请人 |
SAMSUNG ELECTRONICS CO., LTD |
发明人 |
KIM SANG-IL;LEE BYEUNG-LEUL;BAEK SEOG-SOON |
分类号 |
B41J29/393 |
主分类号 |
B41J29/393 |
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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