| 1. | The rectenna converted microwave power into electricity, allowing the helicopter to fly.
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| 2. | NASA also invested in the rectenna concept as part of their SPS work.
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| 3. | The concept is based on the rectenna which is used in wireless power transmission.
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| 4. | A high power array of microwave or laser transmitters would beam power to a rectenna.
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| 5. | Nonetheless, optical rectenna research is ongoing.
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| 6. | This model was powered by a small gasoline engine and did not support a rectenna.
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| 7. | The Earth-based rectenna would likely consist of many short dipole antennas connected via diodes.
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| 8. | In current optical rectenna devices, metal-insulator-metal ( MIM ) electron tunneling.
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| 9. | A rectenna functions like a specialized radio antenna which is used to convert radio waves into direct current electricity.
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| 10. | He then uses a microwave power transmission broadcast via the stratellite's rectenna to compromise and destroy the network.
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