Patents by Inventor William L. Stoakes

William L. Stoakes 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).

  • First and fourth harmonic system
    Patent number: 3992711
    Abstract: 3. A radar system comprising a continuous wave transmitter which transmits a carrier frequency signal, a relatively low frequency source coupled to the transmitter for phase modulating the carrier signal, a receiver for receiving an echo signal and coupled to said transmitter, said receiver including a mixer for beating the echo signal with the carrier signal, means for separating and selectively amplifying the first and fourth harmonic components of the mixer output signal, and means for comparing said components.
    Type: Grant
    Filed: October 4, 1956
    Date of Patent: November 16, 1976
    Assignee: International Telephone and Telegraph Corporation
    Inventor: William L. Stoakes