4. Pulse or digital communications
  5. Repeaters
  6. Testing

Steven R. Blackwell

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Adaptive passband echo canceller

Multiplex communications – Wide area network – Packet switching
Patent

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Advanced communication system architecture

Multiplex communications – Channel assignment techniques – Carrier sense multiple access
Patent

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Apparatus and method for a data communications device to selecti

Pulse or digital communications – Transceivers – Modems
Patent

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Apparatus and method for a digital data communications device to

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
Patent

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Apparatus and method for controlling and varying multiple data r

Patent

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Profile ID: LFUS-PAI-P-980401

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