Patents by Inventor Dana N. Switzer

Dana N. Switzer 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).

  • Redundant interface for a stepper motor
    Patent number: 8536821
    Abstract: A multi-channel stepper motor controller has at least a first and second stepper motor control channel. Each of the control channels has a solid state switching circuit operable to connect the control channel to a stepper motor.
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: September 17, 2013
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Jeffry K. Kamenetz, Dana N. Switzer, William Betterini, John M. O'Neil
  • REDUNDANT INTERFACE FOR A STEPPER MOTOR
    Publication number: 20130076291
    Abstract: A multi-channel stepper motor controller has at least a first and second stepper motor control channel. Each of the control channels has a solid state switching circuit operable to connect the control channel to a stepper motor.
    Type: Application
    Filed: September 22, 2011
    Publication date: March 28, 2013
    Inventors: Jeffry K. Kamenetz, Dana N. Switzer, William Betterini, John M. O'Neil