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The Philips PM5540 was an early electronically-generated, monochrome test card that is considered to be a black-and-white predecessor of the widely used Philips PM5544 test pattern. The content and layout of the pattern, as well as the generator, was designed and made by Danish engineer (da; 1939–2011) at the Philips TV & Test Equipment laboratory in Brøndby Municipality near Copenhagen in 1965–1966. It has been used in Australia, Spain, Abu Dhabi, Denmark, Israel, Qatar, and the Netherlands. Some features of the main test card:

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  • Philips PM5540 (en)
  • Philips PM5540 (sv)
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  • Philips PM5540 är en testbildsgenerator som kan ses som den svart-vita föregångaren till den mycket utbredda Philips PM5544 testbilden. Denna testbild har använts i Australien, Abu Dhabi, Danmark, Israel, Qatar och Nederländerna. En kraftigt förändrad version av PM5540 testbilden användes av Sjónvarpið på Island mellan 1966 och 1982. (sv)
  • The Philips PM5540 was an early electronically-generated, monochrome test card that is considered to be a black-and-white predecessor of the widely used Philips PM5544 test pattern. The content and layout of the pattern, as well as the generator, was designed and made by Danish engineer (da; 1939–2011) at the Philips TV & Test Equipment laboratory in Brøndby Municipality near Copenhagen in 1965–1966. It has been used in Australia, Spain, Abu Dhabi, Denmark, Israel, Qatar, and the Netherlands. Some features of the main test card: (en)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/Sjónvarpið_Testcard.jpg
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  • The Philips PM5540 was an early electronically-generated, monochrome test card that is considered to be a black-and-white predecessor of the widely used Philips PM5544 test pattern. The content and layout of the pattern, as well as the generator, was designed and made by Danish engineer (da; 1939–2011) at the Philips TV & Test Equipment laboratory in Brøndby Municipality near Copenhagen in 1965–1966. It has been used in Australia, Spain, Abu Dhabi, Denmark, Israel, Qatar, and the Netherlands. A heavily modified variant of the PM5540 test card (absence of border castellations and other modifications) was used by Sjónvarpið/RÚV of Iceland from 1966 until 1982, and by three regional broadcasters of the German public broadcasting corporation ARD (Sender Freies Berlin, Süddeutscher Rundfunk and Südwestfunk). Some features of the main test card: * Background - grid of 14 x 10 squares, each square with a white border 2 raster scan lines thick; * Black and white squares - around the borders, with the four corners being white * Circle - has a diameter of 440 scan lines; * Definition lines - gratings corresponding to 0.8, 1.8, 2.8, 3.8 and 4.8 MHz, allowing measurement of image bandwidth and associated horizontal resolution * Staircase - grayscale linear gradation in 5 steps * Background - uniform 50% lightness grey background * Needle pulse - white pulse on black background Besides the main "Complete Pattern", the hardware was capable of generating other patterns named as "Crossed Lines", "Black/White Steps", "Definition Lines", "Sawtooth", "Vertical Bars" and "Blank Pattern". (en)
  • Philips PM5540 är en testbildsgenerator som kan ses som den svart-vita föregångaren till den mycket utbredda Philips PM5544 testbilden. Denna testbild har använts i Australien, Abu Dhabi, Danmark, Israel, Qatar och Nederländerna. En kraftigt förändrad version av PM5540 testbilden användes av Sjónvarpið på Island mellan 1966 och 1982. (sv)
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