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Television is a system for transmitting and receiving moving images and sound at a distance that employs a diffusion mechanism. Transmission can be effected byradio waves, television networks, cable satellite TV or IPTV. The receiver is the TV signals.
The word "television" is a hybrid of the Greek τῆλε (tele, "far") and the Latinvisiōnem (Visio accusative "Vision"). The term television refers to all aspects of transmission and television programming. Sometimes abbreviated as TV. This term was first used in1900 by Constantin Perski at the International Congress of Electricity in Paris (CIEP).
Television is the mass media par excellence, so that philosophical reflection on them,applies to this.
The World Television Day is celebrated on November 21 to commemorate the date in 1996 held the first World Television Forum at the United Nations.
The provisionof content services in the form of video on demand and / or Internet Streaming services not classified as Television. The emergence of televisions that can connect to theInternet in the last years of the first decade of the century, opens the possibility of so-called smart TV where contents are mixed and combined conventional transmission (broadcast)with another arriving via Internet.
History
The concept of television (distance vision) can be traced back to Galileo Galilei and his telescope. However, not until 1884, withthe invention of Paul Nipkow disc Nipkow when made significant progress to create half. The change would bring the television as we know it today was invented by Vladimir Zworkyniconoscope and Philo Taylor Farnsworth. This would lead to all-electronic television, which had a much better refresh rate, greater image definition and self-illumination.
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