Active RF tag with wake-up circuit to prolong battery life

An active RF transponder is provided with a wake-up circuit that wakes the RF transponder from a sleep state upon detection of an RF interrogating signal. The active RF transponder includes a battery, an antenna adapted to receive RF signals from an interrogator, and electronic circuitry providing t...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	COFINO THOMAS ANTHONY, FRIEDMAN DANIEL J, CHIEU TRIEU C
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDEDFOR ELSEWHERE CALCULATING CHECKING-DEVICES COMPUTING COUNTING GENERATING RANDOM NUMBERS HANDLING RECORD CARRIERS PHYSICS PRESENTATION OF DATA RECOGNITION OF DATA RECORD CARRIERS REGISTERING OR INDICATING THE WORKING OF MACHINES TIME OR ATTENDANCE REGISTERS VOTING OR LOTTERY APPARATUS
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