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Test card
Videos
A test card, also known as a test pattern or start-up/closedown test, is a television test signal, typically broadcast at times when the transmitter is active but no program is being broadcast, and ma
First RTF test card (1953) for the French 819-line TV system. Also used in French Algeria, with modifications also used by TMC in Monaco, Telesaar in
First RTF test card (1953) for the French 819-line TV system. Also used in French Algeria, with modifications also used by TMC in Monaco, Telesaar in the Saar Protectorate, and TVN in Chile
A 1952 Philips TD1410U television set showing the optical monochrome Telefunken T05 test card.
A 1952 Philips TD1410U television set showing the optical monochrome Telefunken T05 test card.
A monoscope
A monoscope
Close-up of the test-card image from a monoscope
Close-up of the test-card image from a monoscope
Philips circle pattern
Videos
The Philips circle pattern refers to a family of related electronically generated complex television station colour test cards. The content and layout of the original colour circle pattern was designe
Test card
…the introduction of color TV, electronically generated test cards were introduced. They are named after their generating equipment (ex: Grundig VG1000, Philips PM5544, Telefunken FuBK, etc.), TV station (ex: BBC test card) or organization (ex: SMPTE color bars, EBU colour bars). In developed countries such as Australia…
Philips PM5544 generator (bottom left) used to display test pattern on a CRT television set, connected to a PM6645 frequency counter (topmost left) an
Philips PM5544 generator (bottom left) used to display test pattern on a CRT television set, connected to a PM6645 frequency counter (topmost left) and PM3400 sampling oscilloscope (bottom right)
Philips PM5544 generator with top lid opened.
Philips PM5544 generator with top lid opened.
PM5644[G/M/L/P/N/I]/00 - Typical front panel of a 4:3 model.
PM5644[G/M/L/P/N/I]/00 - Typical front panel of a 4:3 model.
PM5644G/924 (PAL 16:9 non-PALplus).
PM5644G/924 (PAL 16:9 non-PALplus).