| 摘要 |
PURPOSE:To provide the mark device having a high speed ink switching ability, used as a colour recording head. The device is consisting of a ink jet nozzle and pural ink flow paths in where vibrators are set and the ink is supplied by the vibrated part of vibrator. CONSTITUTION:The first ink flow path 2 and the second 3 are set on the base 1 and are led to the jet nozzle 4. Each different colour inks are supplied through the tubes 3, 6 connected with the paths. The vibrators 7, 8 contacting solidly with the electric distorting elements 9, 10 are set in the paths 2, 3. For the excitation of vibrator 9 only, the first ink is jetted and the second for the excitation of vibrator 10, and for the both excitations, the inks from both sides are mixed with equal amount and the mixed ink is jetted. By so doing, it is possible to switch the colour for the colur recording with exremely short time. |
