Patents Represented by Attorney Leudeka, Neely & Graham

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  • Micro-fluid ejection head having adaptive thermal control
    Patent number: 7614715
    Abstract: A method of controlling a micro fluid ejection device by sensing a middle zone temperature, and selectively applying an amount of power to a middle zone heater to achieve a target temperature. An edge zone temperature is also sensed and power is selectively applied to edge zone heaters to achieve a target temperature for the edge zones, whereby uniform ejection of fluid droplets along an ejector array may be achieved.
    Type: Grant
    Filed: June 7, 2007
    Date of Patent: November 10, 2009
    Assignee: Lexmark International, Inc.
    Inventor: Gregory Scott Woods
  • Composite scintillator screen
    Patent number: 5334843
    Abstract: A scintillator screen for an X-ray system includes a substrate of low-Z material and bodies of a high-Z material embedded within the substrate. By preselecting the size of the bodies embedded within the substrate, the spacial separation of the bodies and the thickness of the screen, the sensitivity of the screen to X-rays within a predetermined energy range can be predicted.
    Type: Grant
    Filed: August 17, 1992
    Date of Patent: August 2, 1994
    Inventor: Herbert D. Zeman