Patents Examined by Karen Mashih
  • Patent number: 5343133
    Abstract: A postage meter comprises a non-volatile memory and a microcomputer in communication with the non-volatile memory. The microcomputer is operatively coupled to a stepper motor. The stepper motor includes a rotor and is arranged for positioning at least one printwheel of the postage meter. The non-volatile memory has stored therein a value corresponding to a predetermined pulse width required for pulsing a coil of the stepper motor to position the rotor to a final position between step positions. The microcomputer pulses the stepper motor coil with a pulse of the predetermined pulse with for bring the stepper motor rotor to a final position for positioning the printwheel.
    Type: Grant
    Filed: October 24, 1991
    Date of Patent: August 30, 1994
    Assignee: Pitney Bowes Inc.
    Inventors: Richard A. Malin, Arno Muller