Patents by Inventor Andrew Sam Mack

Andrew Sam Mack 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).

  • Single channel autonomous trunking (SCAT) systems and methods that use a single duplex time division multiple access (TDMA) channel for SCAT control and working channels
    Patent number: 6434136
    Abstract: Single Channel Autonomous Trunking (SCAT) radio frequency systems and methods use a single duplex Time Division Multiple Access (TDMA) channel for the control and working channels thereof. By providing a single duplex TDMA radio frequency channel including a plurality of TDMA time slots in SCAT systems and methods, the SCAT systems and methods can simultaneously operate in a control channel mode and a working channel mode using the single duplex TDMA radio frequency channel.
    Type: Grant
    Filed: October 20, 1998
    Date of Patent: August 13, 2002
    Assignee: M/A-Com Private Radio Systems, Inc.
    Inventors: Edward Alexander Combs, William Oscar Janky, Andrew Sam Mack