4. Television
  5. Two-way video and voice communication
  6. User positioning

Joseph M. Elder

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CATV telephony system using subsplit band for both directions of

Television – Two-way video and voice communication – User positioning
Patent

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Intra channel bank communication protocols between channels and

Multiplex communications – Wide area network – Packet switching
Patent

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Profile ID: LFUS-PAI-P-306962

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