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Apparatus for generating a digital recording signal which avoids

Pulse or digital communications – Pulse code modulation
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Arrangements and methods for generating a radio frequency signal

Pulse or digital communications – Pulse code modulation
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Asynchronous digital system, asynchronous data path circuit, asy

Pulse or digital communications – Pulse code modulation – Noise or distortion reduction
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Asynchronous digital system, asynchronous data path circuit,...

Pulse or digital communications – Pulse code modulation – Noise or distortion reduction
Reexamination Certificate

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Audio coder

Pulse or digital communications – Pulse code modulation – Differential
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Audio decoder circuit and method of operation

Pulse or digital communications – Pulse code modulation
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Audio decoder circuit and method of operation

Pulse or digital communications – Pulse code modulation – Correcting or reducing quantizing errors
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Audio signal coding and decoding device

Pulse or digital communications – Pulse code modulation – Differential
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Automation device using FSK modulation

Pulse or digital communications – Pulse code modulation – Differential
Reexamination Certificate

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Band-pass sigma-delta converter and commutating filter therefor

Pulse or digital communications – Pulse code modulation – Differential
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Bandpass spectral shaping of data signals

Pulse or digital communications – Pulse code modulation
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Bisdn compatible modem codec for digital information communicati

Pulse or digital communications – Pulse code modulation
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Bit-detection arrangement and apparatus for reproducing...

Pulse or digital communications – Pulse code modulation – Differential
Reexamination Certificate

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Bit-detection arrangement and apparatus for reproducing...

Pulse or digital communications – Pulse code modulation – Differential
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Carrier offset determination for RF signals having a cyclic...

Pulse or digital communications – Pulse code modulation – Differential
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Categorization of impairments affecting a communication channel

Pulse or digital communications – Pulse code modulation – Noise or distortion reduction
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Channel coding in the presence of bit robbing

Pulse or digital communications – Pulse code modulation
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Channel estimation device

Pulse or digital communications – Pulse code modulation – Correcting or reducing quantizing errors
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Circuit configuration for conversion of a one-bit digital signal

Pulse or digital communications – Pulse code modulation – Differential
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Circuit for synthesizing multiple pulse code modulation data

Pulse or digital communications – Pulse code modulation
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