Radio receiver impulse noise blanking circuit

Claim 1

AN IMPULSE NOISE BLANKING CIRCUIT FOR USE IN A RADIO RECEIVER HAVING A FIRST PORTION FOR TRANSLATING A DESIRED SIGNAL WHICH MAY BE ACCOMPANIED BY IMPULSE NOISE DISTURBANCES, A SECOND PORTION FOR REPEATING THE DESIRED SIGNAL, AND CIRCUIT MEANS FOR APPLYING A SIGNAL FROM THE FIRST PORTION TO THE SECOND PORTION WITH THE SIGNAL SO APPLIED BEING DELAYED, AND WHEREIN THE SECOND PORTION IS ADAPTED TO BE INTERRUPTED BY THE APPLICATION OF BLANKING PULSES THERETO, SAID IMPULSE NOISE BLANKING CIRCUIT INCLUDING IN COMBINATION, AMPLIFYING MEANS CONNECTED TO THE FIRST RECEIVER PORTION, PULSE DETECTION MEANS CONNECTED TO THE SAID AMPLIFYING MEANS FOR DERIVING NOISE PULSES THEREFROM, PULSE FORMING MEANS CONNECTED TO SAID PULSE DETECTION MEANS FOR PRODUCING BLANKING PULSES OF PREDETERMINED AMPLITUDE AND TIME DURATION, SAID PULSE FORMING MEANS INCLUDING PULSE AMPLIFYING MEANS, FILTER MEANS FOR REDUCING SPURIOUS COMPONENTS WITHIN THE PASS BAND RANGE OF THE RECEIVER, PULSE ONLY ABOVE A PREDETERMINED MEANS FOR PASSING PULSES ONLY ABOVE A PREDETERMINED LEVEL OF AMPLITUDE, SWITCH MEANS ADAPTED TO BE OPERATED BY A BLANKING PULSE CONNECTED TO THE CIRCUIT MEANS PRECEDING THE RECEIVER SECOND PORTION, AND COUPLING MEANS FOR APPLYING SAID BLANKING PULSES TO SAID SWITCH MEANS AND TO THE DISSIPATE THE ENERGY STORED IN THE CIRCUIT MEANS ACTS TO DISSIPATE THE ENERGY STORED IN THE CIRCUIT MEANS AND THE RECEIVER SECOND PORTION IS DISABLED FOR THE DURATION OF THE BLANKING PULSE APPLIED THERETO.