Blanking circuits for television receivers including a blanking winding

Claim 1

IN A TELEVISION RECEIVER PROVIDED WITH A HORIZONTAL DEFLECTION AND BLANKING CIRCUIT HAVING A TRANSFORMER WINDING, A SOURCE OF OPERATING VOLTAGE INCLUDING A REFERENCE POTENTIAL, A DEFLECTION SIGNAL SOURCE, MEANS COUPLING SAID DEFLECTION SIGNAL SOURCE TO A PRESELECTED FIRST POSITION ON SAID TRANSFORMER WINDING, MEANS COUPLING SAID DEFLECTION SIGNAL SOURCE TO SAID REFERENCE POTENTIAL, A DIODE HAVING FIRST AND SECOND ELECTRODES, MEANS CONNECTING SAID FIRST ELECTRODE TO SAID SOURCE OF OPERATING VOLTAGE, AND MEANS CONNECTING SAID SECOND ELECTRODE TO A PRESELECTED SECOND POSITION ON SAID TRANSFORMER WINDING, THE IMPROVEMENT COMPRISING A BLANKING WINDING TIGHTLY COUPLED INDUCTIVELY TO SAID TRANSFORMER WINDING AT THE REGION THEREOF IN THE VICINITY OF SAID SECOND POSITION THEREBY TO PRODUCE IN SAID BLANKING WINDING A BLANKING SIGNAL THAT IS SUBSTANTIALLY FREE FROM UNDESIRED OSCILLATIONS A CATHODE RAY TUBE HAVING A CATHODE, A CONTROL GRID AND FIRST ANODE, MEANS FOR APPLYING VIDEO SIGNALS TO SAID CATHODE, A DIRECT CURRENT CONNECTION FROM ONE END OF SAID BLANKING WINDING TO SAID CONTROL GRID, AND MEANS PROVIDING AN ALTERNATING CURRENT GROUND AT THE OTHER END OF SAID BLANKING WINDING.