Patents by Inventor Siamak Mortezapour

Siamak Mortezapour 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: 7209068
    Abstract: Various systems and methods for converting a signal from the analog domain to the digital domain are disclosed herein. As one example, an analog-to-digital converter is disclosed that includes two pipelined analog-to-digital converter stages. The first analog-to-digital converter stage provides an encoded word output and the second analog-to-digital converter stage provides an unencoded word output. A summation device is provided to aggregate the encoded word output with the unencoded word output.
    Type: Grant
    Filed: February 3, 2006
    Date of Patent: April 24, 2007
    Assignee: Agere Systems Inc.
    Inventors: Mingdeng Chen, James A. Bailey, Siamak Mortezapour