Patents by Inventor Lyman M. Forbes

Lyman M. Forbes 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).

  • Automatic headlamp dimming system
    Patent number: 4862037
    Abstract: A method and apparatus for automatically responding to headlamp radiation from oncoming vehicles to down-switch beam patterns in a tri-beam headlamp system in an automotive vehicle. A mid-beam sensor is provided to detect only that headlamp radiation from oncoming vehicles present within the defined high intensity projection areas of the mid-beam pattern and functions in conjunction with a conventional automatic dimmer sensor and a unique control circuit to achieve appropriate and automatic down-switching.
    Type: Grant
    Filed: December 24, 1987
    Date of Patent: August 29, 1989
    Assignee: Ford Motor Company
    Inventors: Eugene I. Farber, Lyman M. Forbes