Patents by Inventor Nels E. Satterlund

Nels E. Satterlund 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).

  • Four wire modem signal switching for voice and data applications
    Patent number: 5602902
    Abstract: A switching multi-mode modem that switches on the four wire side of the DAA where the two-wire side of the DAA is connected to a land based telephone network. The modem includes a DAA, a first DSP capable of performing all modem digital signal processing functions and a second DSP capable of performing conversion and compression of analog voice signals to digital signals. The modem includes a headset connector and a cellular telephone connector and a switching network connected between the first DSP, the second DSP, the four-wire side of the DAA, the cellular telephone connector and the headset connector.
    Type: Grant
    Filed: March 24, 1995
    Date of Patent: February 11, 1997
    Assignee: Intel Corporation
    Inventors: Nels E. Satterlund, Glenn M. Lewis