Electrostatic page printer

Claim 1

PAGE PRINTING APPARATUS COMPRISING: AN ELECTROSTATIC STRIP PRINTING AND DEVELOPING STATION FOR PRODUCING ON A TRANSPARENT CHARGE-RETENTIVE DIELECTRIC TAPE OF LENGTH MUCH GREATER THAN ITS WIDTH OPAQUE PATTERNS REPRESENTATIVE OF INFORMATION; A STORE OF PHOTOGRAPHICALLY SENSITIVE SHEET RECORD MATERIAL OF WIDTH MUCH GREATER THAN THE WIDTH OF THE SAID TAPE; TAPE ADVANCING MEANS FOR ADVANCING THE SAID TAPE PAST THE SAID STRIP PRINTING AND DEVELOPING STATION AND THEREBEYOND TO EXTEND ALONG THE WIDTH OF THE SAID SHEET RECORD MATERIAL AND IN CLOSE PROXIMITY THERETO; SHEET ADVANCING MEANS CONTROLLABLY OPERABLE TO ADVANCE THE SAID SHEET RECORD MATERIAL IN A DIRECTION SUBSTANTIALLY AT RIGHT ANGLES TO THE DIRECTION OF ADVANCE OF THE SAID TAPE; A CONTROLLABLE LIGHT SOURCE TO PROJECT LIGHT THROUGH THE TRANSPARENT AREAS OF THE DISCRETE PORTION OF SAID TAPE WHICH IS IN PROXIMITY TO THE SAID SHEET RECORD MATERIAL UPON THE CORRESPONDING PORTION OF THE SAID SHEET RECORD MATERIAL WHICH IS IMMEDIATELY ADJACENT TO THE SAID DISCRETE PORTION OF THE SAID TAPE TO PRODUCE UPON THE SAID SHEET RECORD MATERIAL A LATENT PHOTOGRAPHIC RECORD OF THE PATTERNS UPON THE SAID DISCRETE PORTION OF SAID TAPE; MEANS FOR DEVELOPING AND RENDERING PERMANENT THE SAID LATENT PHOTOGRAPHIC RECORD ON THE SAID SHEET RECORD MATERIAL; CONTROL MEANS CONNECTED TO CONTROL SAID TAPE ADVANCING MEANS, SAID SHEET ADVANCING MEANS, AND SAID LIGHT SOURCE TO STOP THE ADVANCE OF SAID TAPE WHEN THE SAID TAPE HAS ADVANCED BY A DISTANCE EQUAL TO THE WIDTH OF SAID SHEET RECORD MATERIAL, THEN TO CAUSE SAID LIGHT SOURCE TO OPERATE, THEN TO START THE ADVANCE OF SAID TAPE AND TO CAUSE SAID SHEET ADVANCING MEANS TO ADVANCE SAID SHEET RECORD MATERIAL BY A DISTANCE APPROXIMATELY EQUAL TO THE WIDTH OF SAID TAPE.