4. Telephonic communications
  5. Supervisory or control line signaling
  6. Signal receiver

Paul Mermelstein

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Apparatus and method for coding speech signals by making use...

Data processing: speech signal processing – linguistics – language – Audio signal bandwidth compression or expansion
Reexamination Certificate

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Apparatus and method for coding speech signals by making use...

Data processing: speech signal processing – linguistics – language – Speech signal processing – For storage or transmission
Reexamination Certificate

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Interference suppression in CDMA systems

Pulse or digital communications – Spread spectrum
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LPC-based DTMF receiver for secondary signalling

Telephonic communications – Supervisory or control line signaling – Signal receiver
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Medium access control scheme for data transmission on code divis

Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...
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Profile ID: LFUS-PAI-P-274068

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