Fitxer:Gernsback Television 1928.png
Gernsback_Television_1928.png (770 × 570 píxels, mida del fitxer: 282 Ko, tipus MIME: image/png)
 | Aquest fitxer i la informació mostrada a continuació provenen del dipòsit multimèdia lliure Wikimedia Commons. Vegeu la pàgina original a Commons |
Resum
| Descripció |
Hugo Gernsback watching television in his Manhattan apartment in August 1928. The picture is 1.5 inches square. This low definition image has 48 scan lines at 7.5 frames per second. Hugo is holding the manual synchronization control. Photo cropped from page 422 Image:Radio News Nov 1928 pg422.png Radio News, November 1928. Volume 10 Number 5.
|
| Data | Magazine published October 10, 1928; this page scanned August 2008. |
| Font | This page was scanned by User:Swtpc6800 on an Epson Perfection 1240U at 300 dpi with half-tone de-screening enabled and stored as TIFF. The image was touched up in Adobe Photo Elements 5.0 and this copy saved as a 150 dpi PNG. |
| Autor | Radio News Staff |
| Permís (Com reutilitzar aquest fitxer) |
The copyright for this 1928 issue of Radio News would have to be renewed in 1955. Online page scans of the Catalog of Copyright Entries, published by the US Copyright Office can be found here. http://onlinebooks.library.upenn.edu/cce/ A search of the Renewals for Periodicals from 1954 to 1957 shows no renewal entries for Radio News. The copyright on the magazine was not renewed and it is in the public domain. |
| Altres versions | Image:Radio News Nov 1928 pg422.png |
Llicència
|
This work is in the public domain because it was published in the United States between 1929 and 1963, and although there may or may not have been a copyright notice, the copyright was not renewed. For further explanation, see Commons:Hirtle chart and the copyright renewal logs. 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 (70 years p.m.a.), Mainland China (50 years p.m.a., not Hong Kong or Macao), Germany (70 years p.m.a.), Mexico (100 years p.m.a.), Switzerland (70 years p.m.a.), and other countries with individual treaties.
|
 |
Historial del fitxer
Cliqueu una data/hora per veure el fitxer tal com era aleshores.
| Data/hora | Miniatura | Dimensions | Usuari/a | Comentari | |
|---|---|---|---|---|---|
| actual | 06:19, 6 ago 2008 | | 770 × 570 (282 Ko) | Swtpc6800 | == Summary == {{Information | Description= Hugo Gernsback watching television in his Manhattan apartment in August 1928. The picture is 1.5 inches square. This low definition image has 48 scan lines at 7.5 frames per second. Hugo is holding the manual sy |
Ús del fitxer
La pàgina següent utilitza aquest fitxer:
Ús global del fitxer
Utilització d'aquest fitxer en altres wikis:
- Utilització a es.wikipedia.org
- Utilització a fi.wikipedia.org
- Utilització a fy.wikipedia.org
- Utilització a it.wikiquote.org
- Utilització a pl.wikipedia.org
- Utilització a tr.wikipedia.org
