Category:Philips circle pattern

**Philips circle pattern**
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Subclass of	video-signal generator;
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The Philips circle pattern (also referred to as the Philips pattern or PTV Circle pattern) refers to a family of related electronically generated complex television station colour test cards.

Subcategories

This category has the following 9 subcategories, out of 9 total.

P

Philips PM5534‎ (2 F)
Philips PM5538‎ (2 F)
Philips PM5544‎ (54 F)
Philips PM5644‎ (5 C, 8 F)
Philips PM5644HD‎ (1 F)
Philips PM5655‎ (1 F)
PT5210‎ (1 F)
PT5230‎ (2 F)
PT5300‎ (5 F)

Media in category "Philips circle pattern"

This category contains only the following file.

Philips PM5544 test pattern on NBT in Thailand.jpg 1,024 × 768; 136 KB