METHOD AND APPARATUS FOR CONTROLLING CHARGING OF DROPLETS

• Main Authors: BRUCE, DAVID SCOTT, STEINER, THOMAS W, GELBART, DANIEL
• Format: Patent
• Language: English; French
• Published: 22.09.2005
• Edition: 7
• Subjects: APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL; ATOMISING APPARATUS; CORRECTION OF TYPOGRAPHICAL ERRORS; i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; LINING MACHINES; NOZZLES; PERFORMING OPERATIONS; PRINTING; SELECTIVE PRINTING MECHANISMS; SPRAYING APPARATUS; SPRAYING OR ATOMISING IN GENERAL; STAMPS; TRANSPORTING; TYPEWRITERS

Methods and apparatus are provided for controlling the charge on a stream of fluid droplets by minimizing the phase difference between a calibration signal and its detected signature signal. Such control can be accomplished by adjusting a droplet charging means, a droplet generation means, and/or th...