Invention Grant
- Patent Title: Printing orifice health detection device
- Patent Title (中): 印刷孔健康检测装置
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Application No.: US13002601Application Date: 2008-07-23
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Publication No.: US08388098B2Publication Date: 2013-03-05
- Inventor: Alexander Govyadinov , William J. Allen
- Applicant: Alexander Govyadinov , William J. Allen
- 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
- International Application: PCT/US2008/008954 WO 20080723
- International Announcement: WO2010/011202 WO 20100128
- Main IPC: B41J29/393
- IPC: B41J29/393
Abstract:
A detection device (10) including a drop detection device (22) positioned to receive drop ejection information as drops are ejected from the multiple orifices (18) of a drop ejection device (16), and a controller (34) that receives the drop ejection information and conducts a mathematical calculation to calculate frequency domain information from the drop ejection information to produce orifice information.
Public/Granted literature
- US20110109679A1 PRINTING ORIFICE HEALTH DETECTION DEVICE Public/Granted day:2011-05-12
Information query
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