Preventing removal of persons without an approved escort

Details Preventing removal of persons without an approved escort Preventing removal of persons without an approved escort

2008-04-29

2008-04-29

Tweel, Jr., John (Department: 2612)

Communications: electrical

Condition responsive indicating system

With particular coupling link

C340S573100, C340S572100

Reexamination Certificate

active

11282908

ABSTRACT:
A method for preventing the egress of a protected person (child) from a given region without an approved escort provides each child with an identifying RFID tag, and each approved person with an identifying RFID tag. A lock region is defined and scanned by a computer-based system which compares the RFID tag of the child within the lock region with a list of approved escorts, and maintains the lock region closed unless the child is accompanied by one of the approved escorts.

REFERENCES:
patent: 4006459 (1977-02-01), Baker et al.
patent: 4853692 (1989-08-01), Wolk et al.
patent: 5978493 (1999-11-01), Kravitz et al.
patent: 6873260 (2005-03-01), Lancos et al.
patent: 7164354 (2007-01-01), Panzer

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