Patents by Inventor Karina P. Carvalho

Karina P. Carvalho 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).

  • Antenna selection system and method
    Patent number: 7751785
    Abstract: A system and method for wireless communication. The system can include a transmitter that transmits a data signal having a time period without data transmission. The system can also include a receiver including a first antenna, a second antenna, a switch that activates one of the first antenna and the second antenna, and a processor that estimates a first signal-to-noise ratio for the first antenna and a second signal-to-noise ratio for the second antenna during the time period without data transmission. The processor can control the switch to select one of the first antenna and the second antenna based on a comparison between the first signal-to-noise ratio and the second signal-to-noise ratio.
    Type: Grant
    Filed: April 18, 2007
    Date of Patent: July 6, 2010
    Assignee: GE Medical Systems Information Technologies, Inc.
    Inventors: Karina P. Carvalho, Neal J. Seidl, Matthew G. Grubis, Ralph T. Hoctor, James Hurley, Russell A. Rymut
  • Antenna selection system and method
    Patent number: 7248843
    Abstract: A system and method for wireless communication. The system can include a transmitter that transmits a data signal having a time period without data transmission. The system can also include a receiver including a first antenna, a second antenna, a switch that activates one of the first antenna and the second antenna, and a processor that estimates a first signal-to-noise ratio for the first antenna and a second signal-to-noise ratio for the second antenna during the time period without data transmission. The processor can control the switch to select one of the first antenna and the second antenna based on a comparison between the first signal-to-noise ratio and the second signal-to-noise ratio.
    Type: Grant
    Filed: November 7, 2003
    Date of Patent: July 24, 2007
    Assignee: GE Medical Systems Information Technologies, Inc.
    Inventors: Karina P. Carvalho, Neal J. Seidl, Matthew G. Grubis, Ralph T. Hoctor, James Hurley, Russell A. Rymut