4. Multiplex communications
  5. Pathfinding or routing
  6. Combined circuit switching and packet switching

Kazuyoshi Akie

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Anti-howling circuit detecting howling from effect of...

Telephonic communications – Echo cancellation or suppression – Residual echo cancellation
Reexamination Certificate

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Circuitry for and a method of detecting tonal signals with...

Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Electrical signal parameter measurement system
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Quality control device for voice packet communications

Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
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Voice communication apparatus

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

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
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Profile ID: LFUS-PAI-P-2298040

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