4. Pulse or digital communications
  5. Receivers
  6. Angle modulation

Toyomi Obikawa

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Modem coupling circuit for power-line carrier

Inductor devices – With closed core interrupted by an air gap
Reexamination Certificate

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Transmission apparatus and control method therefor

Pulse or digital communications – Receivers – Angle modulation
Patent

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Transmission apparatus having echo cancellation facility

Pulse or digital communications – Systems using alternating or pulsating current – Antinoise or distortion
Patent

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Two-wire full-duplex modem

Pulse or digital communications – Transceivers – Modems
Patent

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Profile ID: LFUS-PAI-P-1061764

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