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United States Utility Patents
5,321,720 - 5,321,729

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NumberTitle
5,321,720 WITHDRAWN
5,321,721 Spread spectrum communication system and transmitter-receiver
5,321,722 Multipoint connected communication system having function of retraining modems provided therein and method of retraining the modems
5,321,723 Automatic equalizer
5,321,724 Interference suppression system
5,321,725 Method and apparatus for communicating digital information such as compressed video using treillis coded QAM
5,321,726 Calibration of vector demodulator using statistical analysis
5,321,727 Signal phasing arrangement in a system for doubling the digital channel
5,321,728 Clock signal multiplex circuit
5,321,729 Method for transmitting a signal



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