|
|
| Ligne 1 : |
Ligne 1 : |
|
| |
|
| <timeline> | | <timeline> |
| ImageSize = width:555 height:555 | | DateFormat = yyyy |
| DateFormat = YYYY
| | ImageSize = width:1000 height:auto barincrement:18 |
| Period = from:1864 till:1956
| | PlotArea = left:20 right:40 bottom:30 top:15 |
| PlotArea = width:444 height:444 left:44 bottom:44
| | |
| TimeAxis = orientation:vertical order:reverse | | Colors = |
| ScaleMajor = unit:year increment:10 start:1864
| | id:canvas value:rgb(0.97,0.97,0.97) |
| ScaleMinor = unit:year increment:1 start:1864
| | id:grid1 value:rgb(0.80,0.80,0.80) |
| | id:grid2 value:rgb(0.90,0.90,0.90) |
| | id:Title value:rgb(0.86,0.56,0.56) |
| | id:Bataille value:rgb(0.80,0.80,0.99) |
| | id:ArriveRetour value:rgb(0.80,0.99,0.80) |
| | id:Guerre value:rgb(0.80,0.99,0.80) |
| | id:ApparitionExpedition value:rgb(0.80,0.99,0.80) |
| | |
| | Period = from:0 till:126 |
| | TimeAxis = orientation:horizontal format:yyyy |
| | ScaleMinor = unit:year increment:5 start:0 gridcolor:grid2 |
| | ScaleMajor = unit:year increment:10 start:300 gridcolor:grid1 |
| | AlignBars = justify |
| | |
| | BackgroundColors = canvas:canvas bars:canvas |
| | |
| | BarData= |
| | bar:Titlebar |
| | bar:Bataille |
| | bar:ArriveRetour |
| | bar:Guerre |
| | bar:ApparitionExpedition |
| | barset:Ev1 |
|
| |
|
| PlotData= | | PlotData= |
| at:1864 text:"[[James Clerk Maxwell]] mathematically predicts the existence of radio waves." | | width:18 fontsize:S textcolor:black align:center |
| at:1872 text:"Mahlon Loomis and W. H. Ward (USA) file for U.S. Patents for a "wireless telegraph"."
| | bar:Titlebar color:Title shift:(0,-3) |
| at:1885 text:"[[Heinrich Rudolf Hertz|Heinrich Hertz]] begins experiments into the existence of radio waves using a primitive transmitter and receiver. " | | from:start till:end text:"[[La Nouvelle Arkadia]]" |
| at:1886 text:"Hertz concludes primitive transmitter and receiver experiemnts."
| | |
| at:1887 text:"Hertz publishes his research in the journal Annalen der Physik". | | width:18 fontsize:S textcolor:black anchor:from align:left |
| at:1890 text:"[[Edouard Branly]] invents the [[coherer]]."
| | bar:ArriveRetour |
| at:1891 text:"[[Nikola Tesla]] is granted U.S. Patent No. 454,622 "System of Electric Lighting," first revealing the basic techniques for greatly improving radio transmitter performance." | | color:ArriveRetour |
| at:1892 text:"Hertz publishes "Untersuchungen Ueber Die Ausbreitung Der Elektrischen Kraft” (“Investigations on the Propagation of Electrical Energy”)."
| | from:0 till:1 text:[[Arrivé des Arkadiens]] |
| at:1893 text:"Tesla demonstrates "wireless telegraphy" at the Franklin Institute in Philadelphia and the National Electric Light Association, demonstrating the practical application eight years after Hertz experiments." | | from:20 till:21 text:[[Retour des guildes]] |
| at:1894 text:"The book 'Invention, Researches, and Writings of Nikola Tesla', edited by T.C. Martin is published." | | from:100 till:101 text:[[Arrivée des Elus]] |
| at:1894 text:"Hertz dies at age 37." | | |
| at:1894 text:"[[Alexander Stepanovich Popov|Alexander Popov]] builds his first radio receiver in [[Russian Empire|Russia]]. This was the first non-laboratory radio service."
| | bar:ApparitionExpedition |
| at:1894 text:"Oliver Lodge transmits radio signals at a meeting of the [[British Association for the Advancement of Science]] at Oxford University on August 14. One year before Marconi but one year after Tesla." | | color:ApparitionExpedition |
| at:1894 text:[[Jagadish Chandra Bose]] uses electromagnetic waves to ignite gunpowder and ring a bell at a distance in November in [[Calcutta.]]"" | | from:1 till:4 text:[[Expédition]] |
| at:1895 text:"Popov presents his radio receiver to the Russian Physical and Chemical Society on May 7. The paper on his findings was published December 15." | | from:123 till:124 text:[[Apparition de la confrérie du temps]] |
| at:1895 text:"[[Marconi]] transmits wireless signals a distance of about one mile." | | |
| at:1896 text:"Tesla transmits wireless signals over distances of up to 30 miles." | | bar:Bataille |
| at:1897 text:"Tesla is granted U.S. Patents No. 645,576 and 649,621 covering the four-tuned circuit wireless system."
| | color:Bataille |
| at:1897 text:"Marconi is granted a British patent for his work, establishes the world's first radio station on the [[Isle of Wight]], England & forms the London company later to become the Marconi Wireless Telegraph Company"
| | from:4 till:5 text:[[Bataille Eau pourpre]] |
| at:1897 text:"Bose reports on his microwave radio experiments to the Royal Institute in London & speculates on the existence of electromagnetic radiation from the sun." | | from:14 till:15 text:[[Bataille des Crocs de Givres]] |
| at:1898 text:"Popov effects ship-to-shore communication over a distance of 6 miles" | | from:46 till:47 text:[[Bataille du Trident]] |
| at:1898 text:"Tesla publicly demonstrates his remote-controlled boat containing "rotating [[coherer]]s" plus circuit elements that allowed secure communication between transmitter and receiver." | | from:119 till:120 text:[[La poursuite du voyageur]] |
| at:1900 text:"Popov supervises the construction of a radio station on Hogland island providing a two-way communication by wireless telegraphy between Russian navy base and crew of the battleship [[General-Admiral Apraksin]]. | | |
| at:1900 text:"Tesla begins construction of the [[Wardenclyffe Tower]] facility for trans-Atlantic wireless telephony." | | barset:Ev1 |
| at:1901 text:"Marconi receives the first trans-Atlantic radio signal on 12 December. The message received was three dots, the Morse code for the letter S." | | at:0 text:"[[Arrivé des Arkadiens]]" |
| at:1902 text:"Tesla gives interference testimony in the matter of his patent application for "Systems of Signaling" and that of [[Reginald Fessenden]] for "Improvement in the Transmission and Receipt of Signals," subsequently determined in Tesla's favor."
| | at:1 text:"[[Expédition]]" |
| at:1904 text:"Bose receives patent for the use of a semi-conducting crystal as a detector of radio waves" | | at:4 text:"[[Bataille Eau pourpre]]" |
| at:1904 text:"[[John Ambrose Fleming]] develops the "oscillation valve" or "kenotron," later known as the vacuum-tube diode. " | | at:14 text:"[[Bataille des Crocs de Givres]]" |
| at:1904 text:"Tesla advertises his services." | | at:20 text:"[[Retour des guildes]]" |
| at:1906 text:"[[Lee De Forest]] invents the [[Audion tube|Audion]], now known as the vacuum-tube [[triode]]." | | at:47 text:"[[Bataille du Trident]]" |
| at:1906 text:"Fessenden transmits the first audio radio broadcast on AM from Brant Rock, [[Massachusetts]]. Ships at sea heard a broadcast that included Fessenden playing the song Silent Night on the violin and reading a passage from the [[Bible]]. " | | at:100 text:"[[Arrivée des Elus]] |
| at:1909 text:"Marconi is a co-awardee of the Nobel Prize in physics"
| | at:120 text:"[[La poursuite du voyageur]]" |
| at:1910 text:"Lee de Forest airs radio programs from [[New York]]'s [[Metropolitan Opera|Metropolitan Opera House]]. " | | at:123 text:"[[Apparition de la confrérie du temps]]" |
| at:1922 text:"The BBC begins broadcasting from London, on November 14."
| |
| at:1928 text:"[[Julius Edgar Lilienfeld]] patents the transistor principle in Germany" | |
| at:1933 text:"[[Edwin Howard Armstrong|Edwin Armstrong]] patents FM ([[frequency modulation]])" | |
| at:1947 text:"William Shockley, John Bardeen and Walter Brattain succeeds in building the first practical point-contact [[transistor]] at [[Bell Labs]] on 22 December. This work followed from their war-time research into radar." | |
| at:1956 text:"Shockley, Bardeen and Brattain receive the [[Nobel Prize]] in Physics for the invention of the transistor"" | |
| </timeline> | | </timeline> |