4. Pulse or digital communications
  5. Bandwidth reduction or expansion
  6. Television or motion video signal

Mark J. Handzel

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Apparatus and method for credit based management of telecommunic

Telecommunications – Transmitter and receiver at separate stations
Patent

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Apparatus and method for credit based management of...

Telecommunications – Radiotelephone system – Usage measurement
Reexamination Certificate

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Apparatus and method for credit based management of...

Telecommunications – Radiotelephone system – Usage measurement
Reexamination Certificate

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Apparatus and method for detecting potentially fradulent...

Telecommunications – Radiotelephone system – Security or fraud prevention
Reexamination Certificate

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Credit based management of telecommunication activity

Telecommunications – Radiotelephone system – Usage measurement
Reexamination Certificate

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Profile ID: LFUS-PAI-P-133493

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