Patents Assigned to Avery Berkel Limited
  • Thermal printhead operation
    Patent number: 6846055
    Abstract: A method of operating a thermal printhead includes the steps of periodically determining a current value proportional to the resistance of printhead elements; providing a warning signal when the current value of any element exceeds a predetermined multiplier of the nominal value; and then modifying the operation of the printhead so that such element is energized only for the printing of a barcode within the printed area. An apparatus, especially a weighing apparatus, for carrying out such a method is also disclosed.
    Type: Grant
    Filed: February 8, 2001
    Date of Patent: January 25, 2005
    Assignee: Avery Berkel Limited
    Inventor: Kevin Roy Cartwright