Systems for two-way working ( H04N7/173 take precedence)

Full Title

Television systems (details H04N3/00, H04N5/00; methods or arrangements, for coding, decoding, compressing or decompressing digital video signals H04N19/00; selective content distribution H04N21/00) > Systems for two-way working ( H04N7/173 take precedence)

Child Classifications

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• H04N 7/141
• H04N 7/15 Conference systems