Color television receiving and reproducing system

Claim 1

A COLOR TELEVISION RECEIVING AND REPRODUCING SYSTEM COMPRISING: A SIMULTANEOUS COLOR TELEVISION RECEIVER ADAPTED TO RECEIVE AN N.T.S.C. SIGNAL INCLUDING A CHROMINANCE COMPONENT AND A LUMINANCE COMPONENT; A SIGNAL CONVERTER ADAPTED TO DEMODULATE SAID COLOR SIGNAL SEQUENTIALLY AT EACH HORIZONTAL PERIOD BY MEANS OF A PHASE-DETECTION AXIS CORRESPONDING TO A PHASE AXIS OF SAID COLOR SIGNAL AND TO CONVERT SAID COLOR SIGNAL INTO A LINE-SEQUENTIAL TYPE SIGNAL INCLUDING THREE PRIMARIES OF COLOR INFORMATION WITH A COLOR BURST SIGNAL INSERTED AT EVERY THREE HORIZONTAL PERIODS; A TRANSMISSION CABLE ADAPTED TO TRANSMIT THE CONVERTED LINE-SEQUENTIAL SIGNAL TO A COLOR TELEVISION RECEIVER AT A REMOTE LOCATION; AND A COLOR TELEVISION RECEIVER INCLUDING A CATHODE-RAY TUBE OF THE TYPE HAVING A SINGLE ELECTRON GUN INCLUDING A COLOR SWITCHING GRID AND A FLUORESCENT SCREEN, WHEREIN THERE ARE PROVIDED A CIRCUIT MEANS FOR DERIVING A COLOR BURST SIGNAL HAVING A CYCLE OF THREE HORIZONTAL PERIODS FROM SAID LINE-SEQUENTIAL SIGNAL, AND A CIRCUIT MEANS FOR FORMING A THREE-STEPPED WAVE FORM HAVING A CYCLE CORRESPONDING TO THREE HORIZONTAL PERIODS, SAID STEPPED WAVE FORM BEING SUPPLIED TO SAID COLOR SWITCHING GRID ADJACENT TO THE FLUORESCENT SCREEN OF SAID COLOR TUBE, THEREBY SWITCHING BETWEEN THREE PRIMARY COLOR SIGNALS.