Patents by Inventor Edwin F. Rogers

Edwin F. Rogers 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).

  • Priority interrupt circuit
    Patent number: 4105974
    Abstract: A priority interrupt circuit for inhibiting the supply of signals from a first audio signal source to an electroacoustic transducer and substituting therefore signals from a second audio signal source in response to the occurrence of signals from the second source and despite the continued availability of signals from the first source is disclosed having the further capability of effecting the substitution of the second source for the first source when a radio frequency transmitter is enabled.
    Type: Grant
    Filed: October 14, 1975
    Date of Patent: August 8, 1978
    Inventor: Edwin F. Rogers