Patents by Inventor Eric John Swanson

Eric John Swanson 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).

  • Circuits and methods for noise filtering in 1-bit audio applications and systems using the same
    Patent number: 6255975
    Abstract: A digital to analog converter 102 receives a data stream at a first over-sampling rate and quantizes a second data stream derived from that stream at a second, higher oversampling rate for reducing out-of-band quantization noise in an analog output of the digital to analog converter.
    Type: Grant
    Filed: April 27, 1999
    Date of Patent: July 3, 2001
    Assignee: Cirrus Logic, Inc.
    Inventor: Eric John Swanson