Electronic tether for portable objects

Details Electronic tether for portable objects Electronic tether for portable objects

2006-06-20

2006-06-20

Wu, Daniel (Department: 2636)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S539110, C340S573300, C367S127000, C367S128000

Reexamination Certificate

active

07064669

ABSTRACT:
A system and method for issuing an alarm when the separation distance between a monitoring module associated with an object (animate or inanimate) and an alert module exceeds a preset threshold distance thereby forming a leadless electronic tether between the object and the object owner. A monitoring module comprises a portable transmitter provides a signal to an alert module comprising a receiver and a processor. The alert module is adapted to determine a separation distance between the monitoring module and the alert module based on an attribute of the signal. When the separation distance exceeds a predetermined threshold, the alert module issues an alert.

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