4. Telephonic communications
  5. Diagnostic testing, malfunction indication, or electrical...
  6. Testing of subscriber loop or terminal

Franciscus Maria Ploumen

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Control circuit for causing cyclic application of sealing...

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Testing of subscriber loop or terminal
Reexamination Certificate

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Method and apparatus for providing an all digital loop with...

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Testing of subscriber loop or terminal
Reexamination Certificate

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Method to reduce distortion of a digital data signal by a...

Telephonic communications – Centralized switching system – With generating of call associated substation signal
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2206898

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