Digital alerting security unit

Details Digital alerting security unit Digital alerting security unit

2006-11-14

2006-11-14

Pham, Toan (Department: 2632)

Communications: electrical

Condition responsive indicating system

With particular coupling link

C340S539110, C340S573100

Reexamination Certificate

active

07135968

ABSTRACT:
A digital alerting security system and a method to signal audio and/or visual alarms and to communicate alerts through telecommunication link and/or electronic messaging that a person has forgotten or separated a predetermined distance from a valuable item/object/animal is disclosed. The system and the method also act as a smart tag to secure that travelers are accompanying their checked luggage/objects on board and to quickly identify luggage that does not belong to identified travelers on board or to facilitate their luggage retrieving afterwards by signaling and communicating alerts. The system comprises a single or multi-dimensional ultrasonic transmitter and alerting means, which is attached or integrated to the item/luggage/object/animal, with modulating and digital coding means; and a portable receiver/alerting means with demodulation and digital decoding means. Each of these means can be energized with the of aid a single pole one way switch and a power supply mean. The receiver/alerting means can automatically reset itself when the item/object/luggage/animal is secured.

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patent: 6040772 (2000-03-01), Jackson et al.
patent: 6724306 (2004-04-01), Parsley et al.

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