Patents by Inventor Beesun Liou

Beesun Liou 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).

  • Method and apparatus for managing radio system attributes for communication units
    Patent number: 5564071
    Abstract: A radio communication system (100)provides for management of system attributes for communication units. The system includes communication sites (111, 112, 113) managed at least in part by a central controller (110), and communication units (121, 122, 123, 124) affiliated with each communication site (111, 112, 113). Each communication site (111, 112, 113) maintains a site database (305) including attributes for affiliated communication units. The central controller (110) maintains a central database (205) which includes attributes of communication units affiliated with the communication sites managed by the central controller (110). The central controller (110) receives at least a subset of attributes from the site database (305) of a communication site, and updates the central database (205) accordingly.
    Type: Grant
    Filed: August 29, 1994
    Date of Patent: October 8, 1996
    Assignee: Motorola, Inc.
    Inventors: Beesun Liou, Daniel J. McDonald