*NEWS* THE INKJET PRINTER PEN !

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*NEWS* THE INKJET PRINTER PEN !

 user 2005-12-21 at 9:29:00 am Views: 65
  • #13390

    The inkjet-printer pen
    The
    pen of the future will use inkjet technology to deliver a multitude of
    colours from its tip, according to recent filings from prolific
    patenter Silverbrook Research in Balmain, Australia.
    Inkjet printer
    heads are now cheaply mass-produced and small enough to fit into the
    stem of a pen in place of a nib or ballpoint. Silverbrook’s pen body is
    about as thick as a fountain pen, with a battery-powered
    microelectromechanical print head near the tip that pumps out fine jets
    of ink from a replaceable cartridge.
    A smooth roller point at the
    tip of the pen holds the jet at a fixed distance from the paper and
    pressing the point onto the paper switches the jet on and off. Varying
    the pressure varies the thickness of the line by controlling the number
    of jets that pump ink – a hard push makes a thick line and vice versa.
    The
    roller point can also sense the direction of movement over the page and
    make the jet change shape to mimic the behaviour of a pen nib. And if
    the cartridge has separate chambers of cyan, magenta, yellow and black
    ink, a switch on the side of pen will allow writing and drawing to be
    done in a rainbow of colours.