Out-of-range detector

Details Out-of-range detector Out-of-range detector

2006-03-28

2006-03-28

Nguyen, Tai T. (Department: 2632)

Communications: electrical

Condition responsive indicating system

With particular coupling link

C340S539100, C340S539150, C340S005320, C340S005640, C340S573100, C340S573400

Reexamination Certificate

active

07019643

ABSTRACT:
A monitoring system for monitoring a direction of a monitored device when the monitored device is positioned further than a predetermined distance from a monitoring device. The monitoring device receives a locator signal from the monitored device and produces a direction indication that indicates the direction of the received locator signal. If the monitoring device no longer receives the locator signal, the direction indication indicates the direction of the last received locator signal.

REFERENCES:
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patent: 5714932 (1998-02-01), Castellon et al.
patent: 5900817 (1999-05-01), Olmassakian
patent: 6127931 (2000-10-01), Mohr
patent: 6529131 (2003-03-01), Wentworth
“An Investment in Your Piece of Mind” http://www.ilovejesus.com/missions/milvet/shield.html, Oct. 25, 2001.

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