Patents by Inventor Shelia M. Rader

Shelia M. Rader 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: 5579341
    Abstract: A multi-channel digital transceiver (400) receives uplink radio frequency signals and converts these signals to digital intermediate frequency signals. Digital signal processing, including a digital converter module (426), is employed to select digital intermediate frequency signals received at a plurality of antennas (412) and to convert these signals to baseband signals. The baseband signals are processed to recover a communication channel therefrom. Downlink baseband signals are also processed and digital signal processing within the digital converter module (426) up converters and modulates the downlink baseband signals to digital intermediate frequency signals. The digital intermediate frequency signals are converted to analog radio frequency signals, amplified and radiated from transmit antennas (420).
    Type: Grant
    Filed: December 29, 1994
    Date of Patent: November 26, 1996
    Assignee: Motorola, Inc.
    Inventors: Paul F. Smith, John M. Smith, Alan P. Rottinghaus, Shelia M. Rader, Danny T. Pinckley, Yuda Y. Luz, Daniel M. Lurey, Kevin M. Laird, Tony Kobrinetz, Robert C. Elder, Donald E. Bailey