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The rectenna which captures and rectifies the microwave power at the receiving end of a free space microwave power transmission system is comprised of many elements consisting of halfwave dipoles with microwave filter and rectification circuits attached.…

The design and experimental evaluation of a 2.45 GHz thin-film etched-circuit rectenna based upon the use of Mylar or Kapton F film is discussed. Efficiencies of 85% and DC power output to mass ratios of one watt per gram have been achieved.

A system and method for "power beaming" energy from a source at high frequencies and rectifying such energy to provide a source of DC energy is disclosed. The system operates at a frequency of at least 10 GHz and incorporates a rectenna array having a plurality…

Clean Baseload Energy - Space Solar Power

FIELD: radio engineering, communication.
SUBSTANCE: rectenna comprises diodes and an array of receiving elements in form of intersecting conductors which are connected by their ends to two heteropolar direct current collecting buses and which, upon…

Rectenna technology program ultra light 2.45 GHz rectenna and 20 GHz rectenna (SuDoc NAS 1.26:179558)

A 2.45-GHz dual-diode rectenna and rectenna arrays for wireless remote supply applications - Volume 3 Issue 3

This stretchable 'rectenna' harvests energy from radio waves in the ambient environment to power wearable devices. Read how here.

nanostructure with its diameter in nanometers

A New Zealand firm is trying to make an old idea work commercially