Patents by Inventor James L. Nevins, Jr.

James L. Nevins, Jr. 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).

  • Servo-controlled mobility device
    Patent number: 4243923
    Abstract: A servo system includes a servo loop incorporating an articulated mechanical arm or other controllable element, resolved motion rate control apparatus or other coordinate transformation apparatus, and an accommodation branch. The transfer characteristics may be readily adjusted to constrain the controllable element to accomplish a desired task, and the accommodation branch transfer characteristics may be readily modified to accomplish the performance of many different tasks without modifications to other portions of the system.
    Type: Grant
    Filed: January 22, 1979
    Date of Patent: January 6, 1981
    Assignee: Massachusetts Institute of Technology
    Inventors: Daniel E. Whitney, James L. Nevins, Jr.
  • Servo-controlled mobility device
    Patent number: 4156835
    Abstract: A servo system includes a servo loop incorporating an articulated mechanical arm or other controllable element, resolved motion rate control apparatus or other coordinate transformation apparatus, and an accommodation branch. The transfer characteristics may be readily adjusted to constrain the controllable element to accomplish a desired task, and the accommodation branch transfer characteristics may be readily modified to accomplish the performance of many different tasks without modifications to other portions of the system.
    Type: Grant
    Filed: May 29, 1974
    Date of Patent: May 29, 1979
    Assignee: Massachusetts Institute of Technology
    Inventors: Daniel E. Whitney, James L. Nevins, Jr.