Patents by Inventor Alan L. Foulks

Alan L. Foulks 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).

  • Single cue drive for flight director indicator
    Patent number: 4351187
    Abstract: The single cue of a pitch and roll flight director command indicator is driven by a mechanism having a pitch servomotor pivotally mounted in the flight director housing for rotation about the roll axis and a roll servomotor fixed to the housing for rotating the pitch servomotor about the roll axis. The single cue is connected to an arm which is pivotally mounted on the pitch motor for rotation about the pitch axis whereby the single cue may be simultaneously positioned in pitch and roll by said servomotors to provide visual commands for bringing the craft to a predetermined flight path of attitude.
    Type: Grant
    Filed: September 15, 1980
    Date of Patent: September 28, 1982
    Assignee: Sperry Corporation
    Inventors: Alan L. Foulks, Gary O. Larson