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

Christopher H. Birch

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Apparatus for using a receiver model to multiplex...

Multiplex communications – Communication techniques for information carried in plural... – Adaptive
Reexamination Certificate

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Method and apparatus for delivering reference signal...

Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate

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Method and apparatus for improving vertical definition of a tele

Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent

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Method and apparatus for using a receiver model to multiplex...

Multiplex communications – Communication techniques for information carried in plural... – Adaptive
Reexamination Certificate

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Multi-service data receiver architecture

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm
Patent

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Profile ID: LFUS-PAI-P-654017

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