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

John F. Maraska

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Digital audio system with video output program guide

Television – Special applications – Manufacturing
Patent

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Methods of formatting data to maximize the readability and...

Interactive video distribution systems – Operator interface – To facilitate tuning or selection of video signal
Reexamination Certificate

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System for integrating digital audio and analog video to provide

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

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Profile ID: LFUS-PAI-P-1249946

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