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United States Utility Patents
4,731,790 - 4,731,799

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NumberTitle
4,731,790 Semiconductor laser chip having a layer structure to reduce the probability of an ungrown region
4,731,791 Buried hetero-structure laser diode
4,731,792 Semiconductor laser device with decreased light intensity noise
4,731,793 Dye laser
4,731,794 Optical laser pumping system
4,731,795 Solid state laser
4,731,796 Multi-mode radio transceiver
4,731,797 Circuit for implementing a low accumulated disparity code in high data rate digital transmission, and a coding method using such a circuit
4,731,798 Method for transmitting information, in which the signals are coded as amplitudes of the half-waves or periods of a sinusoidal alternating current
4,731,799 Means and method for block encoding detection and decoding



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