Patents Examined by Ly Tree Tran
  • Temperature regulation of fluid ejection printheads
    Patent number: 6634735
    Abstract: A method of operation of a fluid ejection printhead within a predetermined thermal range so as to print an image, wherein the printhead temperature is measured and below a predetermined threshold, the printhead is heated to a desired temperature before printing. Where thermal bend actuators are used in the printhead, heating is controlled so as to be insufficient to cause ejection of fluid.
    Type: Grant
    Filed: October 19, 1999
    Date of Patent: October 21, 2003
    Assignee: Silverbrook Research Pty Ltd
    Inventor: Kia Silverbrook