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United States Utility Patents
4,669,090 - 4,669,099

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NumberTitle
4,669,090 Half-duplex modem without turnaround delay
4,669,091 Adaptive multipath distortion equalizer
4,669,092 Arrangement for receiving digital data comprising an arrangement for adaptive timing recovery
4,669,093 PCM compression by encoding runs of zeroes
4,669,094 FSK data receiver
4,669,095 Maximum distance from zero crossing MSK demodulator
4,669,096 Differential data line selector
4,669,097 Data compression for display and storage
4,669,098 Increased resolution counting circuit
4,669,099 Digital frequency multiplier



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