Child proximity detector
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jul 8, 1997
Issued Date -
N/A
app pub date -
Apr 26, 1995
filing date -
Feb 2, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A child proximity detection unit includes two transceivers which communicate messages with one another. Only a properly authorized parent can attend a message to the child unit. However, a properly authorized parent can authorize another parent to adopt a child unit.
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Family
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