发明名称 |
Printhead IC with open actuator test |
摘要 |
A printhead IC comprising: an array of nozzles; an ejection actuator corresponding to each of the nozzles respectively, the ejection actuator having a resistive heater that is activated when the actuator ejects ink through the corresponding nozzle;drive circuitry for receiving print data and activating the actuators with drive signals in accordance with the print data; and,open actuator test circuitry for selectively disabling the actuators when they receive a drive signal while comparing the resistance of the resistive heater to a predetermined threshold to assess whether the actuator is defective.
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申请公布号 |
US2008084453(A1) |
申请公布日期 |
2008.04.10 |
申请号 |
US20060544764 |
申请日期 |
2006.10.10 |
申请人 |
SILVERBROOK RESEARCH PTY LTD |
发明人 |
SHEAHAN JOHN ROBERT;PULVER MARK JACKSON;MORAHAN BRIAN CHRISTOPHER;MOINI ALIREZA;GILLESPIE TIMOTHY PETER;WEBB MICHAEL JOHN;SILVERBROOK KIA |
分类号 |
B41J2/04 |
主分类号 |
B41J2/04 |
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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