Fil:RCA Indian Head test pattern.JPG
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Opprinnelig fil (1 024 × 768 piksler, filstørrelse: 320 KB, MIME-type: image/jpeg)
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Beskrivelse
| Beskrivelse |
English: RCA black/white Indian Head test card, motif of the 2F21 monoscope tube, used from 1940 until the advent of color television.
Español: Carta de ajuste de Cabeza de Indio, monocromática desarrollada por RCA en 1939, motivo del tubo monoscopio, modelo 2F21 usado en Estados Unidos desde 1940 hasta la llegada de la televisión a color.
Русский: Старая телевизионная тестовая сетка, разработанная инженерами компании RCA в 1939 году (широко использовалась вплоть до широкого распространения цветного телевидения). |
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| Dato | 4. oktober 2007 (original upload date) | |||
| Kilde | http://www.high-techproductions.com/testpatterns.htm | |||
| Opphavsperson | RCA | |||
| Tillatelse (Gjenbruk av denne filen) |
PD-US-NO NOTICE. | |||
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Lisensiering
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This work is in the public domain in the United States because it was published in the United States between 1929 and 1977, inclusive, without a copyright notice. For further explanation, see Commons:Hirtle chart as well as a detailed definition of "publication" for public art. Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.
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| Dato/klokkeslett | Miniatyrbilde | Dimensjoner | Bruker | Kommentar | |
|---|---|---|---|---|---|
| nåværende | 27. jun. 2013 kl. 07:19 | | 1 024 × 768 (320 KB) | AnonMoos | losslessly grayscaling |
| 10. jun. 2009 kl. 23:43 |  | 1 024 × 768 (409 KB) | Multixfer | Better resolution | |
| 4. okt. 2007 kl. 23:10 |  | 330 × 251 (25 KB) | Night Ranger | {{Information |Description=Source: http://www.high-techproductions.com/testpatterns.htm |Source=Originally from [http://en.wikipedia.org en.wikipedia]; description page is/was [http://en.wikipedia.org/w/index.php?title=Image%3ARCA_Indian_Head_test_pattern |
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