Patents by Inventor John McKown

John McKown 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 pattern selection for optimized communications and avoidance of people
    Patent number: 5138327
    Abstract: An antenna selection technique is used in an RF communincation system in which user modules (UM) communicate with at least one node. The UM's and nodes each have multiple antennae. The combination of each UM and node antenna is evaluated at the UM. Based on at least signal quality, the UM selects its antenna and the best node antenna for use. An alternate antenna is selected if a person is determined to be present in a predetermined area adjacent a UM corresponding to a predetermined RF power level.
    Type: Grant
    Filed: January 15, 1991
    Date of Patent: August 11, 1992
    Assignee: Motorola, Inc.
    Inventors: Hungkun J. Chang, William K. Doss, Michael P. Nolan, Dale R. Buchholz, Thomas A. Freeburg, John McKown, Richard E. White