Patents by Inventor Franklin Moy

Franklin Moy 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).

  • Active filter
    Patent number: 3983504
    Abstract: An improved filtering circuit connected to the inverting terminal of an operational amplifier having connected in parallel a first resistor and three series capacitors. Two series resistors are connected in parallel with the center capacitor and the junction between the two series resistor is connected to a fixed potential.
    Type: Grant
    Filed: November 21, 1975
    Date of Patent: September 28, 1976
    Inventor: Franklin Moy