Patents by Inventor James M. Hagen

James M. Hagen 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).

  • Patent number: 4416630
    Abstract: A realistic audio-visual effects generator for simulating anti-tank and a-aircraft missile launching. A pyrotechnic cartridge having disc at one end that ruptures and allows the efflux of the products of combustion to exit through a hole in the breech block which is placed at the muzzle end of the firing chamber. Along with the simulated cartridge discharge is electrical circuitry for determining if the cartridge has been properly chambered.The circuitry acts to prohibit firing should it be determined that incorrect installation has occurred. Upon initiation of firing a conventional laser transmitter is actuated for simulating firing of the weapon.
    Type: Grant
    Filed: February 1, 1982
    Date of Patent: November 22, 1983
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: James M. Hagen, James D. King
  • Patent number: 3978342
    Abstract: Radiation transmitting apparatus which is smaller, lighter and less expensive than prior art systems, provides approximately 360.degree. azimuthal coverage and has the capability of operating in an infrared countermeasure mode when in a hostile area and as a collision avoidance beacon when in a non-hostile area. In particular, a rotatable reflector is positioned adjacent a fixed infrared source within a protective member capable of being mounted to an object to be protected, such as a helicopter. In the infrared countermeasure mode of operation, the reflector is rotated at a first angular velocity. An infrared filter is positioned relative to the infrared source and the rotating reflector whereby only infrared radiation is transmitted through the protective member.
    Type: Grant
    Filed: April 7, 1975
    Date of Patent: August 31, 1976
    Assignee: Xerox Corporation
    Inventors: James M. Hagen, Roger C. Farmer