WIRELESS DEVICE WITH AN RFID INTERROGATOR

WIRELESS DEVICE WITH AN RFID INTERROGATOR

A wireless device includes an antenna, a radio unit, a signal processing unit, a control unit and a radio frequency identification (RFID) interrogator having a programmable memory. The programmable memory is programmed to interrogate an RFID device located within a discrete range from the RFID inter...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: LAKE RICK C
Format: Patent
Sprache:eng
Schlagworte:
ALARM SYSTEMS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
ORDER TELEGRAPHS
PHYSICS
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
TRANSMISSION
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Beschreibung
Zusammenfassung:A wireless device includes an antenna, a radio unit, a signal processing unit, a control unit and a radio frequency identification (RFID) interrogator having a programmable memory. The programmable memory is programmed to interrogate an RFID device located within a discrete range from the RFID interrogator at user-selectable time intervals and to generate an alert upon loss of a return signal to the RFID interrogator when the RFID device is out of the discrete range.