An Intro To Television
Upcoming SlideShare
Loading in...5
×
 

An Intro To Television

on

  • 1,230 views

This is Presented By Vishnu, Who s member of KanchiLUG... It is created by Open Office Impress

This is Presented By Vishnu, Who s member of KanchiLUG... It is created by Open Office Impress

Statistics

Views

Total Views
1,230
Views on SlideShare
1,190
Embed Views
40

Actions

Likes
1
Downloads
61
Comments
0

2 Embeds 40

http://kanchilug.wordpress.com 39
http://www.slideshare.net 1

Accessibility

Upload Details

Uploaded via as Adobe PDF

Usage Rights

© All Rights Reserved

Report content

Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
  • Full Name Full Name Comment goes here.
    Are you sure you want to
    Your message goes here
    Processing…
Post Comment
Edit your comment

    An Intro To Television An Intro To Television Presentation Transcript

    • INTRODUCTION TO TELEVISION - K. Vishnu MCA        KanchiLUG Member    
    • Television history was not overnight and not invented by a single inventor.    
    • MECHANICAL TELEVISION    
    • - John Logie Baird (1920)   The idea of using arrays of transparent rods to transmit images for television.    
    • - Charles Francis Jenkins (1923)       Radiovision claimed to have transmitted the earliest moving  silhouette images.    
    • ELECTRONIC TELEVISION CRT    
    • Electronic television is based on the development of the cathode ray tube.    
    • Now it is the picture tube found in modern TV sets.    
    • MAIN INVENTORS OF CRT TELEVISION    
    • Vladimir Kosma Zworykin (1925)    
    • Philo T. Farnsworth (1939)    
    • 1. Glass Tube 2. Electron Gun 3. Electron Beam 4. Upper & Lower Leds 5. Shadow Mask 6. Phosporous Coated Screen    
    •    
    •    
    • LCD TELEVISION    
    • * An LCD TV is a flat panel TV * It based on liquid crystal display * Inter active properties # liquid crystals # light    
    •    
    • * The liquid crystals are broken down into small particles. * These smaller particles are known as pixels. * Crystals are located in the middle of two electrodes.    
    •    
    •    
    •