Patent classifications
H
ELECTRICITY
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H04
ELECTRIC COMMUNICATION TECHNIQUE
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H04N
PICTORIAL COMMUNICATION, e.g. TELEVISION
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1/00
Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
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H04N1/46
Colour picture communication systems
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H04N1/56
Processing of colour picture signals
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H04N1/60
Colour correction or control
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H04N1/603
controlled by characteristics of the picture signal generator or the picture reproducer
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H04N1/6052
Matching two or more picture signal generators or two or more picture reproducers
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H04N1/6055
using test pattern analysis
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