4. Telephonic communications
  5. Repeater
  6. With gain or attenuation control

Dario L. Parola

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Delay-less signal processing arrangement for use in an ATM netwo

Multiplex communications – Wide area network – Packet switching
Patent

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Method and apparatus for monitoring a network for customer signa

Telephonic communications – Special services – Service trigger
Patent

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Method for selectively controlling the propagation of dual-tone

Telephonic communications – Supervisory or control line signaling – Substation originated
Patent

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Systems and methods for controlling telephone sound enhancement

Telephonic communications – Repeater – With gain or attenuation control
Patent

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Profile ID: LFUS-PAI-P-477258

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