Patent ID: 6883889
Filing Date: 2005-04-26
Classification: B41J

Abstract:
1. A fluid ejection device comprising: a first drop ejector associated with a firing chamber and comprising a first heating element, said first drop ejector configured to cause fluid having a first drop weight to be ejected from said firing chamber; a first bore disposed within an orifice layer disposed proximate to said first drop ejector, said first bore associated with said first drop ejector; a second drop ejector associated with said firing chamber and comprising a second heating element, said second drop ejector configured to cause fluid having a second drop weight to be ejected from said firing chamber; a second bore disposed within said orifice layer disposed proximate to said second drop ejector, said second bore associated with said second drop ejector; and a voltage supply electrically coupled in series with said first drop ejector and said second drop ejector, said voltage supply configured to generate a first voltage for activating said first drop ejector individually and a second voltage for activating said first drop ejector and said second drop ejector substantially concurrently.