| 摘要 |
A wire is disposed concentrically within the nozzle of a printer to define a channel for ink which issues from the nozzle along a downstream projecting end portion of the wire. An electromagnet is arranged to oscillate the wire for imparting a synchronous disturbance to ink flowing about said end portion, whereby ink droplets may be generated at a uniform frequency in a stream moving across a span in which the droplets are deflected for printingly impinging a carrier spaced downstream from the nozzle.
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