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Matches in DBpedia 2016-04 for { <http://dbpedia.org/resource/Wireless_power_transfer> ?p ?o }

• Wireless_power_transfer abstract "Wireless power transfer (WPT) or wireless energy transmission is the transmission of electrical energy from a power source to an electrical load, such as an electrical power grid or a consuming device, without the use of discrete man-made conductors. Wireless power is a generic term that refers to a number of different power transmission technologies that use time-varying electric, magnetic, or electromagnetic fields. In wireless power transfer, a wireless transmitter connected to a power source conveys the field energy across an intervening space to one or more receivers, where it is converted back to an electrical current and then utilized. Wireless transmission is useful to power electrical devices in cases where interconnecting wires are inconvenient, hazardous, or are not possible.Wireless power techniques fall into two categories, non-radiative and radiative. In non-radiative techniques, power is typically transferred by magnetic fields using magnetic inductive coupling between coils of wire. Applications of this type include electric toothbrush chargers, RFID tags, smartcards, and chargers for implantable medical devices like artificial cardiac pacemakers, and inductive powering or charging of electric vehicles like trains or buses. A current focus is to develop wireless systems to charge mobile and handheld computing devices such as cellphones, digital music players and portable computers without being tethered to a wall plug. Power may also be transferred by electric fields using capacitive coupling between metal electrodes. In radiative far-field techniques, also called power beaming, power is tranferred by beams of electromagnetic radiation, like microwaves or laser beams. These techniques can transport energy longer distances but must be aimed at the receiver. Proposed applications for this type are solar power satellites, and wireless powered drone aircraft.An important issue associated with all wireless power systems is limiting the exposure of people and other living things to potentially injurious electromagnetic fields (see Electromagnetic radiation and health).".
• Wireless_power_transfer thumbnail Inductive_charging_of_LG_smartphone_(2).jpg?width=300.
• Wireless_power_transfer wikiPageExternalLink wireless-power.htm.
• Wireless_power_transfer wikiPageExternalLink Wireless_power_Transmission_Applications_and_Components.
• Wireless_power_transfer wikiPageExternalLink sharp.html.
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• Wireless_power_transfer wikiPageExternalLink wireless_power.html.
• Wireless_power_transfer wikiPageExternalLink www.powermatters.org.
• Wireless_power_transfer wikiPageExternalLink www.rezence.com.
• Wireless_power_transfer wikiPageExternalLink www.wipow.org.
• Wireless_power_transfer wikiPageExternalLink www.wirelesspowerconsortium.com.
• Wireless_power_transfer wikiPageExternalLink 83.pdf.
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• Wireless_power_transfer wikiPageID "570662".
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• Wireless_power_transfer wikiPageRevisionID "707661982".
• Wireless_power_transfer wikiPageWikiLink Airy_disk.
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• Wireless_power_transfer wikiPageWikiLink American_Institute_of_Electrical_Engineers.
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• Wireless_power_transfer wikiPageWikiLink Capacitance.
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• Wireless_power_transfer wikiPageWikiLink Category:Electric_power_distribution.
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• Wireless_power_transfer wikiPageWikiLink Category:Emerging_technologies.
• Wireless_power_transfer wikiPageWikiLink Category:Energy_development.
• Wireless_power_transfer wikiPageWikiLink Category:Microwave_transmission.
• Wireless_power_transfer wikiPageWikiLink Category:Wireless_energy_transfer.
• Wireless_power_transfer wikiPageWikiLink Cavity_magnetron.
• Wireless_power_transfer wikiPageWikiLink Centennial_Challenges.
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• Wireless_power_transfer wikiPageWikiLink Coherence_(physics).
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• Wireless_power_transfer wikiPageWikiLink Damping.
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• Wireless_power_transfer wikiPageWikiLink Electric_razor.
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• Wireless_power_transfer wikiPageWikiLink Electromagnetic_compatibility.
• Wireless_power_transfer wikiPageWikiLink Electromagnetic_field.
• Wireless_power_transfer wikiPageWikiLink Electromagnetic_induction.
• Wireless_power_transfer wikiPageWikiLink Electromagnetic_interference.
• Wireless_power_transfer wikiPageWikiLink Electromagnetic_radiation.
• Wireless_power_transfer wikiPageWikiLink Electromagnetic_radiation_and_health.
• Wireless_power_transfer wikiPageWikiLink Electromotive_force.
• Wireless_power_transfer wikiPageWikiLink Electron.
• Wireless_power_transfer wikiPageWikiLink Electronic_oscillator.
• Wireless_power_transfer wikiPageWikiLink Electrostatic_induction.
• Wireless_power_transfer wikiPageWikiLink Elevator:2010.
• Wireless_power_transfer wikiPageWikiLink Energy.
• Wireless_power_transfer wikiPageWikiLink Energy_harvesting.
• Wireless_power_transfer wikiPageWikiLink Evanescent_field.
• Wireless_power_transfer wikiPageWikiLink Exponential_decay.

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