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United States Utility Patents
5,311,540 - 5,311,549

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NumberTitle
5,311,540 Laser with coupled optical waveguides
5,311,541 Frequency agile radio
5,311,542 Spread spectrum communication system
5,311,543 Television transmission system using two stages of spead-spectrum processing
5,311,544 Receiver of a direct sequence spread spectrum system
5,311,545 Modem for fading digital channels affected by multipath
5,311,546 Carrier phase recovery for an adaptive equalizer
5,311,547 Partial-response-channel precoding
5,311,548 Digital control electronic having a pulse width modulated (PWM)-output signal for the control of electric control elements of a hydraulic system
5,311,549 Method and system for processing the pre-echoes of an audio-digital signal coded by frequency transformation



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