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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5/00
Details of television systems
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H04N5/76
Television signal recording
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H04N5/91
Television signal processing therefor
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H04N5/92
Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
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H04N5/9201
involving the multiplexing of an additional signal and the video signal
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H04N5/9205
the additional signal being at least another television signal
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