No edit summary |
(added cropped screenshot from Part III) |
||
| Line 1: | Line 1: | ||
| + | [[File:Howdy_doody_test_pattern.jpg|thumb|300px|Howdy Doody test pattern on Doc's TV set]] |
||
| − | {{image}} |
||
| + | |||
A '''test pattern''' or '''test card''' was a screen represented by a card that was filmed and broadcast in between programs, usually during off-air times at night. It was used to calibrate and align the camera. One particular test pattern featured an Indian head. |
A '''test pattern''' or '''test card''' was a screen represented by a card that was filmed and broadcast in between programs, usually during off-air times at night. It was used to calibrate and align the camera. One particular test pattern featured an Indian head. |
||
| Line 14: | Line 15: | ||
*{{WP|Test card}} |
*{{WP|Test card}} |
||
*{{WP|Indian Head test card}} |
*{{WP|Indian Head test card}} |
||
| − | |||
[[Category:Technology]] |
[[Category:Technology]] |
||
[[Category:Society and culture]] |
[[Category:Society and culture]] |
||
Revision as of 22:25, 3 December 2009
Howdy Doody test pattern on Doc's TV set
A test pattern or test card was a screen represented by a card that was filmed and broadcast in between programs, usually during off-air times at night. It was used to calibrate and align the camera. One particular test pattern featured an Indian head.
On the morning of November 13, 1955, a test pattern displayed on the screen of Emmett Brown's television set before switching over to Howdy Doody.
Behind the scenes
In one episode of Back to the Future: The Animated Series, Doc's head replaces that of the Indian.
