Patents by Inventor Thomas J. Doth

Thomas J. Doth 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).

  • Failsafe brake for a multi-wheel vehicle with motor controlled steering
    Patent number: 4887013
    Abstract: A controllable mobile apparatus such as a mobile robot travels to a commanded destination under the control of a guidance system that provides speed and direction commands to the controllable mobile apparatus. A plurality of wheels carry the mobile apparatus to the commanded position in response to the speed commands from the guidance system. Steering commands will cause the selected members of the plurality of wheels to vary their angles by a predetermined amount in response to the steering commands that are provided by the guidance system. Additionally, a braking system is provided for stopping the controllable mobile apparatus when it encounters loss of power or communications with the guidance system.
    Type: Grant
    Filed: December 4, 1987
    Date of Patent: December 12, 1989
    Assignee: Texas Instruments Incorporated
    Inventor: Thomas J. Doth