Patents by Inventor Marc Cassidy

Marc Cassidy 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 of registration in a communication system
    Patent number: 6411816
    Abstract: A method of registration in a communication system includes the steps of detecting (201) an elevated registration level of at least a part of a communication system, selecting (203) a group recovery time, determining (205) a first random registration time that is less than or equal to the group recovery time, registering (209) a first communication unit (111) from a first talkgroup at the first random registration time, and upon receiving (212) a group activity message for the first talkgroup, delaying (213) registration by at least a second communication unit (113) from the first talkgroup.
    Type: Grant
    Filed: June 19, 2000
    Date of Patent: June 25, 2002
    Assignee: Motorola, Inc.
    Inventors: Daniel J. McDonald, Marc Cassidy, Randy L. Ekl, John Mistro, Erick Loven
  • Method of registration in a communication system
    Patent number: 6119017
    Abstract: A method of registration in a communication system includes the steps of detecting (201) an elevated registration level of at least a part of a communication system, selecting (203) a group recovery time, determining (205) a first random registration time that is less than or equal to the group recovery time, registering (209) a first communication unit (111) from a first talkgroup at the first random registration time, and upon receiving (212) a group activity message for the first talkgroup, delaying (213) registration by at least a second communication unit (113) from the first talkgroup.
    Type: Grant
    Filed: November 25, 1997
    Date of Patent: September 12, 2000
    Assignee: Motorola, Inc.
    Inventors: Marc Cassidy, Daniel J. McDonald, Randy L. Ekl