Systems and methods for tracking an object

Details Systems and methods for tracking an object Systems and methods for tracking an object

2006-05-02

2006-05-02

Nguyen, Phung (Department: 2632)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S539100, C340S572100, C342S047000

Reexamination Certificate

active

07038589

ABSTRACT:
A portable apparatus to track an object includes a transmitter adapted to sending pulses of known duration and intensity; a receiver having one or more antennas to receive the pulses of known duration and intensity from the transmitter, the receiver and the transmitter having synchronized clocks to determine signal propagation time and distance, and wherein an alarm is generated if the determined distance exceeds a preset value.

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