| http://www.w3.org/ns/prov#value | - n 7, 1997Cooper; J. CarlAnalog signal coding and transmission apparatus and method capable of operation with multiple types of analog and digital signalsUS5598221 *Jan 24, 1995Jan 28, 1997Kabushiki Kaisha ToshibaBroadcasting system discriminating television receiver for differentiating between analog and digital telecast signalsUS5625874 *Dec 21, 1994Apr 29, 1997Nec CorporationTerminal station whi
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