The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 25, 2002
Filed:
Jun. 19, 2000
Daniel J. McDonald, Cary, IL (US);
Marc Cassidy, Fox River Grove, IL (US);
Randy L. Ekl, Lake Zurich, IL (US);
John Mistro, Lake in the Hills, IL (US);
Erick Loven, Urbana, IL (US);
Motorola, Inc., Schaumburg, IL (US);
Abstract
A method of registration in a communication system includes the steps of detecting ( ) an elevated registration level of at least a part of a communication system, selecting ( ) a group recovery time, determining ( ) a first random registration time that is less than or equal to the group recovery time, registering ( ) a first communication unit ( ) from a first talkgroup at the first random registration time, and upon receiving ( ) a group activity message for the first talkgroup, delaying ( ) registration by at least a second communication unit ( ) from the first talkgroup.