B - Operations – Transporting – 41 – J
Patent
B - Operations, Transporting
41
J
101/96.021
B41J 2/09 (2006.01)
Patent
CA 1165175
B-669 INK DROP DEFLECTOR Abstract An ink drop deflector is described for use with ink jet printing devices to deflect, as desired, electrically neu- tral ink drops ejected from an orifice in an ink jet printing device along a free flight trajectory. The ink drop deflector includes in one form a pair of differently sized electrodes which are positioned adjacent the trajectory near the orifice to create a non-uniform electric field with a sufficient poten- tial gradient to deflect neutral ink drops with a relative low switching voltage. In another form of the invention, a plurality of electrodes are so placed adjacent an ink drop trajectory so as to cooperatively produce an electrostatic ink drop deflection force in a desired direction while cancelling force components in other directions. Several embodiments are illustrated including an array of ink drop deflectors.
389018
Macrae & Co.
Pitney-Bowes Inc.
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