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!