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Датотека:Triode tube 1906.jpg

Originalna datoteka ‎(1.835 × 1.258 piksela, veličina datoteke: 194 kB, MIME tip: image/jpeg)

Положај камере37° 37′ 07,01″ С, 122° 23′ 13,17″ З Kartographer map based on OpenStreetMap.Ова и друге слике снимљене у близини на: OpenStreetMapinfo
Opis
English: An early De Forest audion tube, the first electron tube that could amplify. The first triode, or tube with three electrodes, a filament, grid, and plate, the audion was invented in 1906 by American engineer Lee De Forest. The top metal electrode is the plate. The zigzag metal wire partly visible under it is the grid. The filament was originally under that, attached to the wires at left, but has burned out. As many Audions did, this model had two filaments (indicated by the four filament supply wires) so that when one burned out the "spare" could be used. The filament wires were attached to the screw terminal at left, while the grid and plate terminals were brought out through the right end of the glass envelope to the two wires at right. Tube belongs to History of San Jose, Perham Collection of Early Electronics.
Datum GMT
Izvor Photo by uploader, taken at The History of Audio: The Engineering of Sound, an exhibition of the San Francisco Airport Museums[1] in SFO Airport, Terminal 3 from 2006-09 to 2007-05.
Autor Gregory F. Maxwell <gmaxwell@gmail.com> PGP:0xB0413BFA
Dozvola
(Ponovno korišćenje ove datoteke)		 GFDL-1.2
Ja, nosilac autorskog prava nad ovim delom, objavljujem isto pod sledećom licencom:
GNU head Data je dozvola da se kopira, distribuira i/ili menja ovaj dokument pod uslovima GNU-ove licence za slobodnu dokumentaciju, verzije 1.2 objavljene od strane Zadužbine za slobodan softver; bez nepromenljivih odeljaka i bez teksta na naslovnoj i zadnjoj strani. Tekst licence možete pročitati ovde. samo  1.2

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prikazuje

status autorskog prava Serbian (transliteracija)

zaštićeno autorskim pravima Serbian (transliteracija)

licenca

GNU Free Documentation License, version 1.2 Serbian (Cyrillic script) (transliteracija)

nastanak

12. novembar 2006

koordinate tačke gledišta

37°37'7.014"N, 122°23'13.175"W

Istorija datoteke

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Datum/vremeMinijaturaDimenzijeKorisnikKomentar
trenutna00:53, 21. decembar 2006.Minijatura za verziju na dan 00:53, 21. decembar 2006.1.835 × 1.258 (194 kB)Yves-LaurentRétablissement de la version précédente
00:50, 21. decembar 2006.Minijatura za verziju na dan 00:50, 21. decembar 2006.1.835 × 1.258 (194 kB)Yves-Laurent== Summary == {{Information |Description= Lee de Forest's triode tube (Audion) from 1906. Courtesy of History of San Jose, Perham Collection of Early Electronics. |Source= en:Triode_tube_1906.jpg : Photo by original uploader, taken at The History of
05:46, 13. novembar 2006.Minijatura za verziju na dan 05:46, 13. novembar 2006.1.835 × 1.258 (194 kB)Gmaxwell{{Location dec|37.618615|-122.386993|scale:1000}} {{Information |Description=Lee de Forest's triode tube (Audion) from 1906. Courtesy of History of San Jose, Perham Collection of Early Electronics. |Source=Photo by uploader, taken at ''The History of Audi

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