Patents Assigned to H & L Co.
  • Radiolocation with respect to an Own station, using Omega signals or the like
    Patent number: 4191958
    Abstract: Radiolocation, with respect to an Own station, of a transmitter-equipped Other station by triggering the transmitter to transmit identification messages in response to timing signals from a reference source such as an Omega transmitter, receiving the messages and the timing signals at the Own station and comparing them to obtain a line of position of the Other station.
    Type: Grant
    Filed: April 3, 1978
    Date of Patent: March 4, 1980
    Assignee: H & L Co.
    Inventors: Burton L. Hulland, George B. Litchford