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Wireless charging using microwaves

May 06, 2015




  • 1.BY,P.SAI KAMAL,ECE 3RD YR,10BA1A0443

2. HistoryFather of wireless mesh research projectsMIT media labs in 1997 3. Electro magnetic spectrum 4. Worlds Most CoMMon frequenCyBands 5. PartsTransmitterRF cableSlotted wave guideantennaSensorReceiver (Rectenna) 6. TRANSMITTER OUTER DESIGNHigh powermicrowave oscillatorSpecial kind ofvacuum tubeEfficiency 50 to 80% 7. TRANSMITTER INNER DESIGNUses CROSSED-ELECTRON &MAGNETIC fields 8. RF cableDesigned to workat RF (multimegahertz range)High data ratewireless transceivers 9. Slotted waveguide antennaMicrowave radarapplicationsDirect emissionthrough slots 10. SensorMicrowave sensorsRaises beep alarmin silent mode 11. RectennaInvented by William c. Brown in 1964Dipole antenna withRF diode 12. Schottky barrier diode 13. Principle of operation 14. LM 2907 (F to V converter) 15. AdvantagesSeparate chargers eliminationCharges anywhere anytimewithin the location of waves 16. DisadvantagesKeeping in pocket Centralnervous systemEffect on children 17. Present applications WIRELESS HOME 18. NOKIA Lumia 920 IM NEWLY BORN 19. Present applications MOJO 20. Present applications MOPAR 21. Other modesSamsung E1107 Crest Solar powered mobile phone 22. Inductive charging 23. Inductive charging 24. Future Proposal 25. ConclusionNovel method of using power of microwavesCan carry in case of devoid facilities 26. QUERIES