Patents by Inventor Tina R Fuchs

Tina R Fuchs has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Varying the operating energy applied to an inkjet print cartridge based upon the operating conditions
    Patent number: 6334660
    Abstract: Disclosed is a method of operating an inkjet printer having one or more inkjet print cartridges installed in the printer, wherein the printer is capable of operating under varying operating conditions and in a plurality of different printmodes, including obtaining a value for the common parasitic resistances and a base operating voltage setting for the inkjet printer when a predetermined number of possible resistors on the print cartridge are firing during a given period of time, determining an actual number of resistors firing on the print cartridge during the given period of time, adjusting the base operating voltage setting to a selected voltage setting based on the results of said obtaining step and said determining step and operating the printer using the selected operating voltage setting for the print cartridge.
    Type: Grant
    Filed: October 31, 1998
    Date of Patent: January 1, 2002
    Assignee: Hewlett-Packard Company
    Inventors: Clayton L. Holstun, Tina R Fuchs