X-ray stereoscopic apparatus for producing alternate images of different colors on a cathode ray tube

Claim 1

STEREOSCOPIC X-RAY APPARATUS COMPRISING X-RAY SOURCE MEANS OPERABLE TO RADIATE X-RAYS TO AN OBJECT AT TWO DIFFERENT ANGLES ALTERNATELY; MEANS FOR PRODUCING LIGHT IMAGES OF X-RAY IMAGES OF SUCH OBJECT; A BLACKAND-WHITE VIDEO CAMERA MEANS PRODUCTIVE OF VIDEO SIGNALS CORRESPONDING TO SUCH LIGHT IMAGES AND INCLUDING A SYNC GENERATOR PRODUCTIVE OF SIXTY-CYCLE BLANKING SIGNALS FOR A VIDEO MONITOR; A VIDEO MONITOR, INCLUDING A MULTI-GUN COLOR PICTURE TUBE PRODUCTIVE OF DIFFERENT COLORS ON THE SCREEN OF SUCH TUBE BY RESPECTIVE ELECTRON BEAMS, OPERABLE TO SCAN SUCH BEAMS IN SYNCHRONISM WITH THE AFORESAID SIXTY-CYCLE BLANKING SIGNALS TO FILL A FRAME ON THE SCREEN EACH ONE-THIRTIETH OF A SECOND, AND OPERABLE TO RESPOND TO VIDEO SIGNALS FROM SAID CAMERA MEANS TO MODULATE SUCH ELECTRON BEAMS TO PRODUCE COLOR IMAGES; AND CONTROL MEANS REGULATED BY SAID SIXTY-CYCLE BLANKING SIGNALS TO EFFECT THE ALTERNATE DIFFERENT-ANGLED RADIATION OF X-RAYS AT A RATE OF THIRTY PULSES PER SECOND AND TO EFFECT ALTERNATE RESPONSE OF TWO OF THE ELECTRON BEAMS TO VIDEO SIGNALS FROM SAID CAMERA MEANS RESPECTIVELY TO THE ANGLES OF X-RAY RADIATION, WHEREBY IMAGES OF THE OBSERVED OBJECT ARE ALTERNATELY PRESENTED ON THE SCREEN OF SAID COLOR PICTURE TUBE AT HORIZONTALLY OFFSET POSITTIONS IN ACCORD WITH THE DIFFERENT ANGLES OF X-RAY RADIATION AND IN RESPECTIVE COLORS WHICH MAY BE SEPARATED BY THE VIEWER FOR STEREO EFFECT WITH USE OF TWO-COLOR EYE GLASSES.