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- No of Pages: 17

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Introduction:

Abstract

With mobile phones becoming a basic part of life, the recharging of mobile phone batteries has always been a problem. The mobile phones vary in their talk time and battery standby according to their manufacturer and batteries. All these phones irrespective of their manufacturer and batteries have to be put to recharge after the battery has drained out. The main objective of this work is to highlight the recharging of the mobile phones can be independent of their manufacturer and battery make. In this work, a new way has been made so as to make the recharging of the mobile phones is done automatically as you talk in your mobile phone! This is done by use of microwaves.

Table of Content

 1. ABSTRACT ……………………………………



 2. INTRODUCTION ……………………………..



 3. TRANSMITTER DESIGN ……………………



 4. RECIEVER DESIGN …………………………



 5. SENSOR CIRCUITARY ……………………...



 6. APPLICATIONS ………………………………….



 7. CONCLUSION …………………………………...



 8. REFERENCES ……………………………………

Introduction

The microwave signal is transmitted from the transmitter along with the message signal using special kind of antennas called slotted wave guide antenna at a frequency is 2.45 GHz. There are minimal additions, which have to be made in the mobile handsets, which are the addition of a Sensor, a Rectenna and a Filter.

With the introduction of the sensor ,rectenna and the filter, making the structure of the setup be in the form of, Transmitter station(magnetron)-circulator waveguide-slotted waveguide antenna-rectenna-sensor-mobile phone i.e. the magnetron with a very power microwave oscillator having a permanent magnet in its construction with an efficiency of 50-80% produce microwave radiation of radar application, the circulator wave guide then shields the equipment input from effects of conditions on its output side ,the slotted wave guide further acts as the antenna in receiving microwave radar ,the rectenna converts the microwave into DC power and sensor detects the receiving of the message signal of the mobile phone so charging continues. Hence, the need for separate chargers for mobile phones is eliminated and makes charging universal. Thus the more you talk, the more is your mobile phone is charged! With this work the manufacturers would be able to remove the talk time and battery standby from their phone specifications.