Patents by Inventor Oscar M. Martin, Jr.

Oscar M. Martin, 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).

  • Helicopter blind landing and hover system
    Patent number: 3934250
    Abstract: A precision hover and landing system for use in a helicopter is provided. A elevision camera system, an infra-red scanner and a passive radar antenna array are located on a three-axis gimbal mounted on the helicopter. An airborne radar angle tracking receiver and a ground-based transponder provide azimuth and elevation angle error signals for pointing the gimbal along the true line-of-sight to the desired landing area. A ranger unit provides range and range rate of change information.
    Type: Grant
    Filed: June 7, 1974
    Date of Patent: January 20, 1976
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventor: Oscar M. Martin, Jr.