Invention Grant
- Patent Title: Determining an issue with an inkjet nozzle using an impedance difference
- Patent Title (中): 使用阻抗差来确定喷墨喷嘴的问题
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Application No.: US13450620Application Date: 2012-04-19
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Publication No.: US08899709B2Publication Date: 2014-12-02
- Inventor: Alexander Govyadinov , Andrew L. Van Brocklin , Eric T. Martin , David Maxfield
- Applicant: Alexander Govyadinov , Andrew L. Van Brocklin , Eric T. Martin , David Maxfield
- Applicant Address: US TX Houston
- Assignee: Hewlett-Packard Development Company, L.P.
- Current Assignee: Hewlett-Packard Development Company, L.P.
- Current Assignee Address: US TX Houston
- Main IPC: B41J29/38
- IPC: B41J29/38
Abstract:
A method for determining an issue with an inkjet nozzle using an impedance difference includes taking a first impedance measurement with a sensor to detect a drive bubble in an ink chamber after a drive bubble formation mechanism is activated; and subtracting the first impedance measurement from a reference.
Public/Granted literature
- US20130278656A1 Determining an Issue with an Inkjet Nozzle Using an Impedance Difference Public/Granted day:2013-10-24
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