TELECOMUNICATIONS
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TELECOMUNICATIONS
The need we humans have to relate to and communicate with others was one of the motors of technological development. As society became increasingly more complex, new media became necessary to cover greater distances. Thus telecommunications was born.
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History
- First forms of telecommunication
- Ancient Greece. The Romans. The North American Indians.
- Sending acoustic signals
- Runners were also used to transmit de most urgent news.
- The Incas
- Chappe’s optical telegraph
The conquest of electricity
- Dane Hans Christian Oersted empirically demonstrated that an electric current generates a magnetic field. This principle is the foundation of modern telecommunications.
- Michael Faraday and James Maxwell developed this concept furthr.
- Discovery of electromagnetic forces
- Samuel Morse patented the alphabet of dots and dashes
- The new underwater telegraph network
- Heinrich Hertz made the first radio wave transmitter
- Guillermo Marconi
- The first commercial radio station
- Antonio Meucci and Alexander Graham Bell
Artificial satellites and television
- The launching of “Sputnik” in 1957 inaugurated the era of space satellites, essential technological elements for today’s telecommunication systems.
- Television is the media that has done most to homogenise human culture. Television’s new digital format platforms offer a limitless supply of programs and other services besides.
Internet
- Internet is the modern mass communication media that has changed our lives most. The entire planet is accessible using Internet. Internat has practically left mailed correspondence obsolete.
- With the ever-increasing network bandwidth, all leisure and mass media tend to come together.
Mobile or cell phones
- Mobile or cell phones represented yet another telecommunication revolution.
- In all human history, no invention has ever experienced such spectacular development as Internet and mobile phones.
- These two inventions changed our world so deeply and so radically that future historians will consider global communication as one of the most important landmarks in mankind’s history. |
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