发明名称 |
Method and apparatus for detecting missing nozzle in thermal inkjet printhead |
摘要 |
Provided is a method of detecting a missing nozzle in a thermal inkjet printhead. The method includes: applying an input energy high enough to eject ink to a heater corresponding to a target nozzle, and applying an input energy not high enough to eject ink to a heater corresponding to a nozzle adjacent to the target nozzle; when a predetermined time passes, detecting a difference between temperatures which are measured at points spaced by a predetermined distance from each of the two heaters; and determining whether the target nozzle is missing.
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申请公布号 |
US8011750(B2) |
申请公布日期 |
2011.09.06 |
申请号 |
US20080046503 |
申请日期 |
2008.03.12 |
申请人 |
SAMSUNG ELECTRONICS CO., LTD. |
发明人 |
KUK KEON;LEE BANG-WEON;LIM SEONG-TAEK |
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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