RF energy meter

Disclosed is an apparatus having radio-frequency (RF) energy harvester 1 comprising: an antenna 21; a rectifier 22; an energy storage module 23 such as a capacitor or battery, and; a light output 24, together with and optically coupleable to RF energy meter 2. The rectifier 22 generates DC voltage f...

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Bibliographic Details
Main Authors Manuel Pinuela Rangel, Brian Krejcarek, Alessandro Revelant, Lewis Freeth Harpham, Alessandro Vinco, Bruno Roberto Franciscatto
Format Patent
LanguageEnglish
Published 10.10.2018
Subjects
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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Summary:Disclosed is an apparatus having radio-frequency (RF) energy harvester 1 comprising: an antenna 21; a rectifier 22; an energy storage module 23 such as a capacitor or battery, and; a light output 24, together with and optically coupleable to RF energy meter 2. The rectifier 22 generates DC voltage from an RF signal (e.g. in the range 2.4-2.5 GHz) harvested by the antenna 21. The output 24 produces light pulses, each pulse corresponding to a harvested energy amount (in an embodiment ~95µJ), for example via an LED, using the energy stored. An output given at module 13 is indicative of an amount of energy harvested and is based upon a count of light pulses detected at 11, possibly by a photodiode. This output may be an average of counted pulses per unit time. The embodiment may determine the amount of background energy available for harvesting at different locations and/or times.
Bibliography:Application Number: GB20160002357