1
James D Logan: Rules based methods and apparatus. Charles G Call, October 7, 2003: US06631271 (142 worldwide citation)

A rules-based system for monitoring the movement and relative location of a plurality of electronic devices and performing specified actions, such as issuing notification messages and actuating alarms, when the conditions specified in tone or more rules are satisfied. The rules are accepted from a u ...


2
James D Logan, Brian Logan: Rules based methods and apparatus for generating notification messages based on the proximity of electronic devices to one another. Charles G Call, February 7, 2006: US06996402 (62 worldwide citation)

Methods and apparatus for performing specified actions when the relative position of specified objects satisfies conditions specified by a user and expressed in one or more rules. Each of the rules contains a condition part and an action part. The condition part of each rules specifies one or more c ...


3
James D Logan, Brian Logan: Rules based methods and apparatus for generating notification messages based on the proximity of electronic devices to one another. Charles G Call, March 10, 2005: US20050054290-A1

Methods and apparatus for performing specified actions when the relative position of specified objects satisfies conditions specified by a user and expressed in one or more rules. Each of the rules contains a condition part and an action part. The condition part of each rules specifies one or-more c ...



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