发明名称 Multiple nozzle ink jet print head
摘要 A print head includes a plurality of liquid droplet producing devices in an arrangement wherein the piezoelectric elements are in direct contact with the liquid. The piezo elements are pulsed on demand to cause rapid volume change in the compression chamber to initiate pressure waves therein and to eject ink droplets from the nozzles of the print head.
申请公布号 US4387383(A) 申请公布日期 1983.06.07
申请号 US19810320788 申请日期 1981.11.12
申请人 NCR CORPORATION 发明人 SAYKO, STEVEN P.
分类号 B41J2/14;(IPC1-7):G01D15/18 主分类号 B41J2/14
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