Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1998-08-12
2000-07-04
Mullen, Thomas
Communications: electrical
Condition responsive indicating system
Specific condition
3406913, G08B 2300
Patent
active
060845171
ABSTRACT:
A system for selectively detecting the presence of a plurality of objects in proximity to a person. The system includes a plurality of child units each having a first communicating device (such as a transceiver) for sending a locator signal and for receiving a control signal. Further, the system includes a parent unit having a second communicating device for receiving the locator signal from at least one of the plurality of child units, a processor for monitoring the at least one child unit and for determining whether the child unit is within a preselected range, at least one alarm for signaling the person when the selected child unit is outside the preselected range, and controls for selectively controlling the child units to be monitored and for controlling activation of the child units.
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Ivie Steven D.
Rabanne Michael C.
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