Open main menu
Home
Random
Recent changes
Special pages
Community portal
Preferences
About Wikipedia
Disclaimers
Incubator escapee wiki
Search
User menu
Talk
Dark mode
Contributions
Create account
Log in
Editing
Indian-head test pattern
(section)
Warning:
You are not logged in. Your IP address will be publicly visible if you make any edits. If you
log in
or
create an account
, your edits will be attributed to your username, along with other benefits.
Anti-spam check. Do
not
fill this in!
{{Short description|Television test card}} {{multiple issues| {{Citation style|date=July 2017}} {{more citations needed|date=August 2017}} }} [[File:RCA Indian Head Test Pattern.svg|thumb|right|312px|The RCA Indian-head test pattern]] The '''Indian-head test pattern''' is a [[test card]] that gained widespread adoption during the [[History of television#Electronic television|black-and-white television]] broadcasting era as an aid in the calibration of [[television]] equipment. It features a drawing of a [[Native Americans in the United States|Native American]] wearing a [[War bonnet|headdress]] surrounded by numerous graphic elements designed to test different aspects of broadcast display. The card was created by [[RCA]] to be the standard image for their TK-1 [[monoscope]], a simple [[video camera]] capable of producing only the image embedded within it. The pattern was introduced in 1939 and over the following two decades became a fixture of television broadcast across North America in [[525-line]] resolution and (often in modified form) abroad in 525- and [[625-line]] resolution until it was made obsolete by the rise of [[color television]] in the 1960s.
Edit summary
(Briefly describe your changes)
By publishing changes, you agree to the
Terms of Use
, and you irrevocably agree to release your contribution under the
CC BY-SA 4.0 License
and the
GFDL
. You agree that a hyperlink or URL is sufficient attribution under the Creative Commons license.
Cancel
Editing help
(opens in new window)