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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
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).
Test Card F
Videos
Test Card F is a test card that was created by the BBC and used on television in the United Kingdom and in countries elsewhere in the world for more than four decades. Like other test cards, it was us
Philips circle pattern
…the early-1970s, the Philips Pattern has become one of the most commonly used test cards, with only the SMPTE and EBU colour bars as well as the BBC's Test Card F coming close to its usage. The Philips circle pattern was later incorporated into other test pattern generators from Philips itself, as well as test…
Off-air screen capture of BBC Test Card F, as seen on BBC1 between 17 February 1991 and 4 October 1997. (September 1993 Variant Picture)
Off-air screen capture of BBC Test Card F, as seen on BBC1 between 17 February 1991 and 4 October 1997. (September 1993 Variant Picture)
Original transparency of the central image created for Test Card F. (1966 Variant)
Original transparency of the central image created for Test Card F. (1966 Variant)