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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9/00
Details of colour television systems
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H04N9/79
Processing of colour television signals in connection with recording
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H04N9/793
for controlling the level of the chrominance signal, e.g. by means of automatic chroma control circuits
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H04N9/7933
the level control being frequency-dependent
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