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. 10, 2003
Filed:
Jan. 21, 1998
Applicant:
Inventors:
Ralph Charles Gregg, Tempe, AZ (US);
Michael William Krutz, Chandler, AZ (US);
Assignee:
Motorola, Inc., Schaumburg, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 2/19 ;
U.S. Cl.
CPC ...
H04B 2/19 ;
Abstract
A dispatch system ( ) uses satellites ( ) to broadcast simultaneously to an individual remote unit ( ), to a select group of remote units ( ) or to all the remote units ( ). The dispatch system ( ) may assign a remote unit ( ) to a unique channel if there are enough available channels, or may assign the remote units ( ) to a shared channel when the number of available channels is limited. The remote units ( ) are given a unique control code or a shared control code. Based on the channel and the control code, the remote unit ( ) will be able to listen to the broadcast or ignore it.