Patent ID: 8061833
Filing Date: 2011-11-22
Classification: B41J

Abstract:
1. An inkjet printer comprising: an inkjet head configured to eject ink onto a surface of a medium; an electromagnetic-wave supplier configured to generate electromagnetic waves; a wave guide having an internal space into which the medium is to be fed, the wave guide being connected to the electromagnetic-wave supplier to apply the electromagnetic waves to the medium; and a ventilator configured to flow a gas in the internal space of the wave guide, wherein the ventilator is configured to flow the gas along a longitudinal direction of the wave guide, wherein the ventilator comprises an inlet and an outlet, each of the inlet and the outlet comprising a plurality of square tubes, each of the plurality of square tubes extending along a gas flowing direction therein and being defined by a first wall and a second wall orthogonal to the first wall in a cross section substantially perpendicular to the gas flowing direction, and wherein length “a” of the first wall and length “b” of the second wall in the cross section satisfy an equation λ>1/{(m/2a)