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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H04N9/80
Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
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H04N9/808
involving pulse code modulation of the composite colour video-signal
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H04N9/8081
involving data reduction
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H04N9/8082
using predictive coding
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