Design and construction of a 3 way inter-communication system
Table Of Contents
- <p> </p><p>Title page</p><p>Certification</p><p>Dedication</p><p>Acknowledgement</p><p>Abstract</p><p>Table of contents</p><p><b>
Chapter ONE
INTRODUCTION
- </b></p><p>
- 1.0INTRODUCTION</p><p><b>
Chapter TWO
LITERATURE REVIEW
- </b></p><p>Complete Circuit Description</p><p>
- 2.0Simplified block diagram of thee 3-way intercom system</p><p>
- 2.1Operation Principles</p><p><b>
Chapter THREE
SYSTEM DESIGN AND IMPLEMENTATION
- </b></p><p>
- 3.0ICC1212C</p><p>
- 3.1Resistor </p><p>
- 3.2Capacitor </p><p>
- 3.3Condenser Microphone</p><p>
- 3.4Loudspeakers</p><p>
- 3.5Switches</p><p>
- 3.6Communication cables</p><p><b>
Chapter FOUR
SYSTEM TESTING AND EVALUATION
- </b></p><p><b>CIRCUITRY DESIGN AND DESCRIPTION </b></p><p>
- 4.0Description of Power Supply Unit Circuit</p><p>
- 4.1Description of the tone Generator Circuit</p><p>
- 4.2Circuit Diagram of the Three Units and Explanation</p><p>
- 4.3Explanation of the Switching Circuit</p><p> </p><p><b>
Chapter FIVE
SUMMARY, CONCLUSION AND RECOMMENDATIONS
- </b></p><p><b>CONSTRUCTION AND PACKAGING </b></p><p>
- 5.0Component Sourcing</p><p>
- 5.1Construction and Testing </p><p>
- 5.2Audio Amplifying Stage</p><p>
- 5.3Prototype</p><p>
- 5.4Trouble shooting</p><p>
- 5.5Packaging</p><p> </p><p><b>CHAPTER SIX</b></p><p>
- 6.0CONCLUSION</p><p>
- 6.1Further study and Design</p><p><b> REFERENCE</b></p><p><b>APPENDIX </b></p> <br><p></p>
Project Abstract
<p> </p><p>An intercommunication system is nothing but the communication between two or more persons not close to one another. This does not mean we should categorize telephones, fax, teleprinters, telegraphs etc. an example of intercom system sine they are used in communication between people. Infact, intercom involves short distance places. It is limited in electronics, offices, and hospitals. </p><p>The intercom system under is a three way station type. This means that a person can communicate to the other at another station at his own convenient time. They call once another attention by the use of the tone generated by the use of tone generator.</p><p>Depress a button and the tone sounds, and the same switch is thrown to the intercom circuit thus they communicate.</p><p>This system to be used in solving the problem of poor communication in our department. Besides, it can be extended to some other offices by the addition this one may use a rotary switch</p> <br><p></p>Project Overview
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