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Telecommunication, often used in its plural form or abbreviated as telecom, is the transmission of information over a distance using electrical or electronic means, typically through cables, radio waves, or other communication technologies. These means of transmission may be divided into communication channels for multiplexing, allowing for a single…
History, Radio and television & Technical concepts
Explore the main themes, entities and connections around Telecommunications. Start with the topic map, then use the sections below for research and deeper semantic analysis.
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radio internet telecommunication used communication analogue digital transmission signal information network networks telephone communications use medium television also data noise
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| signal amplification | instance of | It formed the basis of experimental broadcasts done by the British Broadcasting Corporation beginning on 30 September 1929.Vacuum tubesVacuum tubes use thermionic emission of el… | 0.80 | text |
| current rectification.The simplest vacuum tube | instance of | It formed the basis of experimental broadcasts done by the British Broadcasting Corporation beginning on 30 September 1929.Vacuum tubesVacuum tubes use thermionic emission of el… | 0.80 | text |
| the diode invented in 1904 by John Ambrose Fleming | instance of | It formed the basis of experimental broadcasts done by the British Broadcasting Corporation beginning on 30 September 1929.Vacuum tubesVacuum tubes use thermionic emission of el… | 0.80 | text |
| contains only a heated electron-emitting cathode | instance of | It formed the basis of experimental broadcasts done by the British Broadcasting Corporation beginning on 30 September 1929.Vacuum tubesVacuum tubes use thermionic emission of el… | 0.80 | text |
| an anode | instance of | It formed the basis of experimental broadcasts done by the British Broadcasting Corporation beginning on 30 September 1929.Vacuum tubesVacuum tubes use thermionic emission of el… | 0.80 | text |
| the spark gap transmitter for radio or mechanical computers for computing | instance of | While some applications had used earlier technologies | 0.80 | text |
| it was the invention of the thermionic vacuum tube that made these technologies widespread | instance of | While some applications had used earlier technologies | 0.80 | text |
| practical | instance of | While some applications had used earlier technologies | 0.80 | text |
| leading to the creation of electronics.For most of the 20th century | instance of | While some applications had used earlier technologies | 0.80 | text |
| televisions depended on a kind of vacuum tube | instance of | While some applications had used earlier technologies | 0.80 | text |
| signal amplification | instance of | Vacuum tubesVacuum tubes use thermionic emission of electrons from a heated cathode for a number of fundamental electronic functions | 0.80 | text |
| current rectification.The simplest vacuum tube | instance of | Vacuum tubesVacuum tubes use thermionic emission of electrons from a heated cathode for a number of fundamental electronic functions | 0.80 | text |
These clusters group vocabulary that occurs around closely connected concepts in the source material.
Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.