Dataphone driven remote display system

Claim 1

A DATA DISPLAY SYSTEM FOR TWO WAY COMMUNICATION WITH A REMOTE TELEPHONE LINE-LINKED DIGITAL COMPUTER COMPRISING: (A) CATHODE RAY TUBE DISPLAY MEANS; (B) KEYBOARD AND ENCODING MEANS ADAPTED FOR PRODUCING ENCODED ELECTRICAL CHARACTER DATA IN RESPONSE TO MANUAL ACTIVATION WHEN SAID SYSTEM IS IN A PRE-LOOK MODE OF OPERATION; (C) DECODER-STORAGE MEANS ADAPTED FOR STORING ENCODED CHARACTER FONTS TRANSMITTED FROM SAID COMPUTER WHEN SAID SYSTEM IS IN A LOAD MODE OF OPERATION, AND FOR STORING ENCODED CHARACTER DATA GENERATED BY SAID KEYBOARD AND ENCODING MEANS WHEN SAID SYSTEM IS IN A PRE-LOOK MODE OF OPERATION, SAID MEANS BEING FURTHER ADAPTED TO RESPOND TO ENCODED SIGNALS REPRESENTATIVE OF SAID ENCODED CHARACTERS AND PRESENTED TO SAID MEANS WHEN SAID SYSTEM IS IN A WRITE OR PRE-LOOK MODE, SAID MEANS RESPONDING TO SAID ENCODED SIGNALS BY SELECTIVELY GATING OUT ELECTRICAL SIGNALS INDICATIVE OF THE CHARACTERS CORRESPONDING TO SAID ENCODED SIGNALS; (D) CHARACTER GENERATOR MEANS ELECTRICALLY CONNECTED TO SAID DECODER-STORAGE MEANS AND SAID CATHODE RAY TUBE DISPLAY MEANS, SAID CHARACTER GENERATOR MEANS INCLUDING CIRCUITRY FOR ESTABLISHING A FIXED SCAN PATTERN ON THE FACE OF SAID CATHODE RAY TUBE, SAID CHARACTER GENERATOR MEANS FURTHER INCLUDING CIRCUIT MEANS FOR INTENSITY MODULATING SAID SCAN PATTERN IN ACCORD WITH SAID ELECTRICAL SIGNALS FROM SAID DECODER STORAGE MEANS WHEREBY LIGHT PATTERNS MAY BE FORMED UPON SAID CATHODE RAY TUBE REPRESENTATIVE OF SAID CHARACTERS; (E) VECTOR PLOTTING MEANS ELECTRICALLY CONNECTED TO THE DEFLECTION CIRCUITRY OF SAID CATHODE RAY TUBE DISPLAY MEANS AND ADAPTED TO RECEIVE DIGITALLY ENCODED DATA FROM SAID COMPUTER REPRESENTATIVE OF THE PLANAR COORDINATES OF A GRAPHIC REPRESENTATION, SAID VECTORPLOTTING MEANS INCLUDING CIRCUITRY FOR ESTABLISHING AND MOVING THE LIGHT SPOT OF SAID CRT DISPLAY MEANS IN ACCORDANCE WITH THE SAID PLANAR COORDINATES DIGITALLY TRANSMITTED FROM SAID CENTRAL COMPUTER; (F) DATA INTERFACE MEANS ELECTRICALLY POSITIONED TO LINK SAID SYSTEM TO SAID TELEPHONE LINE, SAID DATA INTERFACE MEANS INCLUDING INPUT ROUTER MEANS AND INPUT/OUTPUT REGISTER MEANS FOR ROUTING DATA TO SAID COMPUTER OR TO PORTIONS OF SAID SYSTEM IN ACCORD WITH THE MODE OF OPERATION OF SAID SYSTEM; (G) MODE SELECTION MEANS FOR DETERMINING THE MODE OF OPERATION OF SAID SYSTEM; (H) A XEROGRAPHIC DISPLAY SYSTEM INCLUDING A XEROGRAPHIC PLATE, CHARGE SENSITIZATION MEANS FOR SAID PLATE, DEVELOPING AND ERASURE MEANS, A VIEWING SCREEN, AND REFLECTION OPTICS MEANS INCLUDING A LIGHT SOURCE FOR PROJECTING DEVELOPED IMAGES ON SAID XEROGRAPHIC PLATE TO SAID VIEWING SCREEN; AND (I) OPTICAL MEANS FOR IMAGING THE LIGHT PATTERN ON SAID CATHODE RAY TUBE DISPLAY MEANS UPON SAID XEROGRAPHIC PLATE WHEN SAID PLATE IS IN A CHARGE SENSITIZED CONDITION, WHEREBY A LATENT ELECTROSTATIC IMAGE MAY BE FORMED UPON SAID PLATE FOR SUBSEQUENT DEVELOPMENT AND DISPLAY.