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:
Feb. 26, 2002
Filed:
Jun. 15, 1999
Applicant:
Inventors:
W Garland Phillips, Arlington, TX (US);
Dwight Randall Smith, Grapevine, TX (US);
Assignee:
Motorola, Inc., Schaumburg, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08B 5/22 ;
U.S. Cl.
CPC ...
G08B 5/22 ;
Abstract
A group selected from a plurality of portable subscriber units ( ) is defined ( ), and a plurality of locations corresponding to members of the group are identified ( ) by a controller ( ) in cooperation with a base station and the group members. The controller determines ( ) from the plurality of locations at least one distance between selected ones of the members, and sends ( ) a notification when the at least one distance satisfies a predetermined set of rules.