发明授权
- 专利标题： Pen maintenance system and method for operating same
- 专利标题（中）： 笔维修系统及操作方法
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申请号： US10631332申请日： 2003-07-30
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公开(公告)号： US07104636B2公开(公告)日： 2006-09-12
- 发明人: Jeremy A. Davis , David J. Waller , Kit L. Harper
- 申请人： Jeremy A. Davis , David J. Waller , Kit L. Harper
- 申请人地址： US TX Houston
- 专利权人： Hewlett-Packard Development Company, L.P.
- 当前专利权人： Hewlett-Packard Development Company, L.P.
- 当前专利权人地址： US TX Houston
- 主分类号： B41J2/175
- IPC分类号： B41J2/175 ; B41J2/165
摘要：
A pen having a printhead and a chamber for holding ink; a sensor for monitoring changes in the amount of ink in the chamber; and a pump for selectively drawing ink into or expelling ink from the chamber.
公开/授权文献
- US20040041872A1 Pen maintenance system and method for operating same 公开/授权日：2004-03-04
信息查询
IPC分类:
