Analog-to-digital converter

Claim 1

APPARATUS OF THE CLASS DESCRIBED COMPRISING A PLURALITY OF ANALOG SIGNAL INPUT CHANNELS, COMMUTATING MEANS RESPONSIVE TO SIGNALS IN SAID CHANNELS FOR SUCCESSIVELY PRESENTING SAID SIGNALS AT AN OUTPUT THEREOF, CLAMPING MEANS RESPONSIVE TO SAID COMMUTATING MEANS FOR CLAMPING FOR A SELECTED PERIOD EACH SIGNAL PRESENTED AT SAID COMMUTATING OUTPUT, A CATHODE RAY TUBE HAVING A SCREEN AND MEANS FOR GENERATING A CATHODE RAY BEAM, SWEEP GENERATING MEANS FOR CAUSING SAID BEAM TO REPETITIVELY SWEEP SAID SCREEN IN A FIRST DIRECTION, MEANS RESPONSIVE TO SAID CLAMPING MEANS FOR DEFLECTING SAID BEAM IN A TO SAID CLAMPING MEANS FOR DEFLECTING SAID BEAM IN A SECOND DIRECTION IN ACCORDANCE WITH EACH CLAMPED SIGNAL, MEANS FOR SYNCHORIZING SAID COMMUTATING, CLAMPING, AND SWEEP GENERATING MEANS, OUTPUT MEANS FOR VIEWING SAID SCREEN, AND A MASK HAVING A PREDETERMINED PATTERN OF APERTURES INTERPOSED BETWEEN SAID SCREEN AND SAID OUTPUT MEANS.