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

John A. Greszczuk

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Method and apparatus for varying power levels in a...

Multiplex communications – Diagnostic testing – Fault detection
Reexamination Certificate

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Multicarrier transmission system with low power sleep mode...

Pulse or digital communications – Transceivers
Reexamination Certificate

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Multicarrier transmission system with low power sleep mode...

Pulse or digital communications – Transceivers
Reexamination Certificate

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Multimode modem

Pulse or digital communications – Repeaters – Testing
Patent

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Splitterless multicarrier modem

Multiplex communications – Communication techniques for information carried in plural... – Combining or distributing information via frequency channels
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Profile ID: LFUS-PAI-P-719570

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