Patents by Inventor Nicholas Paul Cowley

Nicholas Paul Cowley 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: 5684433
    Abstract: In an amplifier circuit arrangement in which series resistive feedback is utilized in the main amplifier to minimize distortion, and a feedback amplifier is provided in a path from the output of the arrangement to the series feedback path effectively to boost the value of the feedback resistor, a further amplifier is arranged to provide positive feedback to the resistive load circuit of the main amplifier effectively to boost the value of the resistive load.
    Type: Grant
    Filed: December 4, 1995
    Date of Patent: November 4, 1997
    Assignee: Plessey Semiconductors Limited
    Inventors: Arshad Madni, Nicholas Paul Cowley, Ian Garth Watson