Method and system for performing distance measuring and...

Details Method and system for performing distance measuring and... Method and system for performing distance measuring and...

2008-03-18

2008-03-18

Fan, Chieh M. (Department: 2611)

Pulse or digital communications

Transmitters

Reexamination Certificate

active

07346120

ABSTRACT:
An identification tag is provided in which radio frequency (RF) circuitry and ultrawide bandwidth (UWB) circuitry are both provided on the same tag, along with some UWB-RF interface circuitry. The RF circuitry is used to detect when the identification tag must be accessed, and is used to connect the UWB circuitry with a power supply. The UWB circuitry then performs the necessary communication functions with a distant device and the power supply is again disconnected. In this way the power supply is only accessed when the UWB circuitry is needed and it's usable lifetime can be maximized.

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