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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H04N7/24
Systems for the transmission of television signals using pulse code modulation
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H04N7/52
Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal
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H04N7/54
the signals being synchronous
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H04N7/56
Synchronising systems therefor
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