Patents by Inventor Kelvin H. Kwong

Kelvin H. Kwong 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: 7587177
    Abstract: Methods and systems are provided for allowing an FDD radio to be configured to operate in Rx-high/Tx-low or Rx-low/Tx-high modes of operation. In accordance with one aspect, this is achieved in an FDD radio configuration that includes multiple switches, multiple Rx electronics, and multiple Tx electronics, allowing a diplexing filter to have selectively coupled to its high and low terminals desired Tx or Rx paths, such as to allow the radio to operate in one or another mode.
    Type: Grant
    Filed: December 12, 2005
    Date of Patent: September 8, 2009
    Assignee: Exalt, Inc.
    Inventor: Kelvin H. Kwong