Broadband video frequency switching circuit

Claim 1

A BROADBAND VIDEO FREQUENCY SWITCHING CIRCUIT FOR INDEPENDENTLY CONTROLLING AND SWITCHING ANY ONE OF A PLURALITY OF VIDEO FREQUENCY INPUT SIGNALS TO A COMMON OUTPUT CHANNEL COMPRISING: A PLURALITY OF INPUT CHANNEL MEANS, EACH SAID INPUT CHANNEL MEANS HAVING A CHARGE CARRIER EMISSION MEANS WITH EMITTING, CONTROL, AND COLLECTING ELECTRODES, SAID COLLECTING ELECTRODE BEING COUPLED DIRECTLY TO A FIRST SOURCE OF DIRECT CURRENT POTENTIAL AND SAID EMITTING ELECTRODE BEING RESISTIVELY COUPLED TO A SECOND SOURCE OF DIRECT CURRENT POTENTIAL, HAVING A FIRST INPUT TERMINAL MEANS FOR RECEIVING FIRST VIDEO FREQUENCY INPUT SIGNALS FOR POSSIBLE PASSAGE THROUGH SAID INPUT CHANNEL MEANS, SAID FIRST INPUT TERMINAL MEANS BEING RESISTIVELY COUPLED TO SAID CONTROL ELECTRODE OF SAID CHARGE CARRIER EMISSION MEANS AND BEING RESISTIVELY COUPLED TO GROUND POTENTIAL, HAVING A FIRST DIODE GATING MEANS WHICH, IN CONJUNCTION WITH A SECOND DIODE GATING MEANS, CONTROLS THE PASSAGE OF SAID FIRST VIDEO FREQUENCY INPUT SIGNALS THERETHROUGH, THE CATHODE ELECTRODE OF SAID FIRST DIODE GATING MEANS BEING CAPACITIVELY CARRIER EMISSION MEANS TING ELECTRODE OF SAID CHARGE CARRIER EMISSION MEANS AND BEING RESISTIVELY COUPLED TO A THIRD SOURCE OF DIRECT CURRENT POTENTIAL, HAVING A SAID SECOND DIODE GATING MEANS WHOSE CATHODE ELECTRODE IS COUPLED TO THE CATHODE ELECTRODE OF SAID FIRST DIODE GATING MEANS, HAVING A SECOND INPUT TERMINAL MEANS COUPLED TO THE ANODE ELECTRODE OF SAID SECOND DIODE GATING MEANS AND BEING ADAPTED TO RECEIVE STANDARD LOGIC CONTROL SIGNALS TO CAUSE SAID FIRST AND SECOND DIODE GATING MEANS TO EITHER PASS OR BLOCK SAID FIRST VIDEO FREQUENCY INPUT SIGNALS,