Patents by Inventor Joseph William Bonfiglio

Joseph William Bonfiglio 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).

  • Digital amplifier system for driving a capacitive load
    Patent number: 7746935
    Abstract: A digital amplifier system for driving a capacitive load includes a digital amplifier controller responsive to a digital input command for producing a pulse density modulation signal representative of the digital input command; a switching amplifier for amplifying the pulse density modulation signal and an inductive filter for demodulating the amplified pulse density modulation signal to provide a drive current to drive a capacitive load in response to the digital input command.
    Type: Grant
    Filed: May 13, 2005
    Date of Patent: June 29, 2010
    Assignee: Xienetics, Inc.
    Inventor: Joseph William Bonfiglio