Cathode ray tube used for post deflection color television systems

Claim 1

IMAGE REPRODUCING MEANS FOR GENERATING A TRUECOLOR IMAGE COMPRISING A TUBE ENVELOPE; FIRST AND SECOND GROUPS OF FLUORSCENT ELEMENTS FOR EMITTING COLORED LIGHT WHEN SUITABLY EXCITED; SAID FIRST GROUP BEING FORMED OF ELONGATED RIBBON-LIKE ELEMENT ALL BEING A FIRST PRIMARY COLOR; SAID ELEMENTS BEING SUBSTANTIALLY PARALLEL TO EACH OTHTER AND BEING ARRANGED IN A PLANE ADJACENT THE TUBE FACE; SAID SECOND GROUP BEING FORMED OF ELONGATED RIBBONLIKE ELEMENTS ALL BEING OF A PRIMARY COLOR DIFFERENT FROM SAID FIRST PRIMARY COLOR; SAID SECOND GROUP ELEMENTS BEING SUBSTANTIALLY PARALLEL TO AND INTERPERSED WITH SAID FIRST GROUP ELEMENTS IN A REGULAR PREDETERMINED ARRAY; AN ELECTRON GUN POSITIONED IN THE NECK OF SAID TUBE FOR GENERATING AN ELECTRON BEAM; MEANS FOR CAUSING SAID ELECTRON BEAM TO TRACE A PREDETERMINED PATTERN ON SAID TUBE FACE; A FIRST ELECTRONIC CONTROL MEANS; A SECOND ELCTRONIC CONTROL MEANS; SAID FIRST AND SECOND CONTROL MEANS BEING ADAPTED TO GENERATE FIRST AND SECOND ALTERNATING VOLTAGES RESPECTIVELY; A FIRST ARRAY OF DEFLECTING MEMBERS ARRANGED IN SPACED PARALLEL FASHION, EACH MEMBER BEING POSITIONED ADJACENT AND PERPENDICULAR TO SAID FIRST GROUP ELEMENTS AND CONNECTED TO SAID FIRST CONTROL MEANS; A SECOND ARRAY OF DEFLECTING MEMBERS POSITIONED ADJACENT AND PERPENDICULAR TO SAID SECOND GROUP ELEMENS AND CONNECTED TO SAID SECOND CONTROL MEANS; SAID FIRST AND SECOND DEFLECTING MEMBER ARRAYS BEING ADAPTED TO CONTROL THE PATH OF SAID ELECTRON BEING IN THE IMMEDIATE VICINITY OF SAID TUBE FACE TO DETERMINE THE FLUORESCENT ELEMENS TO VE BOMBARDED BY SAID ELECTRONS BEAM; SAID FIRST AND SECOND CONTROL MEANS BEING ADAPTED TO GENERATE FIRST AND SECOND ALTERNATING VOLTAGE EACH BEING OF THE SAME SIGNAL FREQUENCY; SAID FIRST CONTROL MEANS GENERATING AN ALTERNATING CURRENT SIGNAL E1; SAID SECOND CONTROL MEANS GENERATING AN ALTERNATING CURRENT SIGNAL E2 WHERE E1 HAS A PHASE DELAY OF APPROXMATELY 90* RELATIVE TO E2; SAID THIRD CONTROL MEANS GENERATING AN ALTERNATING CURRENT SIGNAL E3 WHERE E3 HAS A PHASE DELAY RELATIVE TO E1 OF APPROXIMATELY 236*.