Evolution of Television
Past-Present-Future
Wouter SpaanDelano Voorsmit
3MBJuni 2015
Evolution of Television - Past-Present-Future
“TeleVision” Tele = From a Distance Vision = The Way You Look
Abbreviation = “TV”
Evolution of Television - Past-Present-Future
• 1884 • German inventor • Paul Julius Gottlieb Nipkow• Lived and worked in Berlin• Inventor of “Nipkow Disc”
Evolution of Television - Past-Present-Future
“Silver Nipkow Disc”Award
Best Dutch TV Program
Evolution of Television - Past-Present-Future
• October, 2nd 1951• 1st National TV Broadcast• Black & White• NTS-studio “Irene” in Bussum• Two Hour Program:
- Movie fabrication church clocks- History of the television- “Toverspiegel” ~ theatre play
Evolution of Television - Past-Present-Future
• 1967• Introduction Colour TV
• 1977 • Last TV Studio switches to Colour Broadcasts
• Same technique as Black & White TV but then with 3x colours: Red, Green and Blue
• All possible colours can be mixed
White =all three colours together
Black = absence
of all three lights
Evolution of Television - Past-Present-Future
TELETEKST• Started by NOS in 1980
dutch national broadcast company• Information pages in Dutch• Pure Text - no pictures• Free service - costs no money• Available on every TV• Information like:
- National News- World News- Sports News- TV Guide- Subtitles
Evolution of Television - Past-Present-Future
• Since 1980’s• New Lightning Techniques “LCD/LED”• Advantage - very thin screens • Also known as “Flatscreens”
• LCD = Liquid Crystal Display• Backlight with LCD Screen in front of it
• LED = Light Emitting Diode• Same as LCD but with different backlight• Advantages are:
- Lower power consumption- Better black colour
Evolution of Television - Past-Present-Future
“RESOLUTION-RACE”• Over the years TVs will become larger in size and
sharper (higher resolution)
• Resolution = number of pixels per inch• Pixel = very small dot - nearly unvisible human eye
• The higher the resolution » the more pixels per inch » the better the image quality
• Evolution - from Analogue TV - to Digital TV- to HDTV (HD = High Definition)- to UltraHD (aka 4K = 4x sharper than HD)- to 8K TV upcoming.. ?
ThanksFor Your
Attention!
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