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Data and television network for digital computer workstations

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

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Data message storage and transmission using a videophone and sma

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

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Data mixer for portable communications devices

Television – Two-way video and voice communication – Over wireless communication
Reexamination Certificate

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Data mixer for portable communications devices

Television – Two-way video and voice communication – Over wireless communication
Reexamination Certificate

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Data receiving-processing apparatus and method, and broadcasting

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

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Data transmission method and data transmission system

Television – Two-way video and voice communication
Reexamination Certificate

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Decoding of digital data including program specific information

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

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Device for positioning and operating audio and video equipment

Television – Two-way video and voice communication – Switching
Reexamination Certificate

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Device for viewing images, such as for videoconference...

Television – Two-way video and voice communication
Reexamination Certificate

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Dial-up switching and transmission of broadband communication ch

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

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Digital camera DIY wireless photo print device

Television – Two-way video and voice communication
Reexamination Certificate

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Digital ISDN video server

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

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Digital processing apparatus and method to support video...

Television – Two-way video and voice communication – Conferencing
Reexamination Certificate

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Digital rights management for mobile devices

Television – Two-way video and voice communication
Reexamination Certificate

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Digital signal recording/reproduction apparatus and method

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

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Digital television with subscriber conference overlay

Television – Two-way video and voice communication – Conferencing
Reexamination Certificate

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Digital television with subscriber conference overlay

Television – Two-way video and voice communication – Conferencing
Reexamination Certificate

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Digital television with subscriber conference overlay

Television – Two-way video and voice communication – Conferencing
Reexamination Certificate

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Digital television with subscriber conference overlay

Television – Two-way video and voice communication – Conferencing
Reexamination Certificate

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Digital television with subscriber conference overlay

Television – Two-way video and voice communication – Conferencing
Reexamination Certificate

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