An ink jet recording method includes the steps of inputting a set of driving pulses to a heater element so that the heater element is repeatedly activated by the driving pulses, repeatedly generating a bubble in ink in an ink path in accordance with repeated activation of the heater element, and separately...http://www.google.de/patents/US5657060?utm_source=gb-gplus-sharePatent US5657060 - Ink jet recording head having means for controlling ink droplets